70 lines
2.1 KiB
PHP
70 lines
2.1 KiB
PHP
<?php
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/* vim: set expandtab sw=4 ts=4 sts=4: */
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/**
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* PMD relation update handler
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*
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* @package PhpMyAdmin-Designer
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*/
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/**
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*
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*/
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require_once './libraries/common.inc.php';
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PMA_Response::getInstance()->disable();
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require_once 'libraries/pmd_common.php';
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extract($_POST, EXTR_SKIP);
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extract($_GET, EXTR_SKIP);
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$die_save_pos = 0;
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require_once 'pmd_save_pos.php';
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list($DB1, $T1) = explode(".", $T1);
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list($DB2, $T2) = explode(".", $T2);
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$tables = $GLOBALS['dbi']->getTablesFull($db, $T1);
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$type_T1 = strtoupper($tables[$T1]['ENGINE']);
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$tables = $GLOBALS['dbi']->getTablesFull($db, $T2);
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$type_T2 = strtoupper($tables[$T2]['ENGINE']);
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$try_to_delete_internal_relation = false;
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if (PMA_Util::isForeignKeySupported($type_T1)
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&& PMA_Util::isForeignKeySupported($type_T2)
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&& $type_T1 == $type_T2
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) {
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// InnoDB
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$existrel_foreign = PMA_getForeigners($DB2, $T2, '', 'foreign');
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if (isset($existrel_foreign[$F2]['constraint'])) {
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$upd_query = 'ALTER TABLE ' . PMA_Util::backquote($DB2)
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. '.' . PMA_Util::backquote($T2) . ' DROP FOREIGN KEY '
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. PMA_Util::backquote($existrel_foreign[$F2]['constraint'])
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. ';';
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$upd_rs = $GLOBALS['dbi']->query($upd_query);
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} else {
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// there can be an internal relation even if InnoDB
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$try_to_delete_internal_relation = true;
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}
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} else {
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$try_to_delete_internal_relation = true;
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}
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if ($try_to_delete_internal_relation) {
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// internal relations
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PMA_queryAsControlUser(
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'DELETE FROM '
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. PMA_Util::backquote($GLOBALS['cfgRelation']['db']) . '.'
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. $cfg['Server']['relation'].' WHERE '
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. 'master_db = \'' . PMA_Util::sqlAddSlashes($DB2) . '\''
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. ' AND master_table = \'' . PMA_Util::sqlAddSlashes($T2) . '\''
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. ' AND master_field = \'' . PMA_Util::sqlAddSlashes($F2) . '\''
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. ' AND foreign_db = \'' . PMA_Util::sqlAddSlashes($DB1) . '\''
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. ' AND foreign_table = \'' . PMA_Util::sqlAddSlashes($T1) . '\''
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. ' AND foreign_field = \'' . PMA_Util::sqlAddSlashes($F1) . '\'',
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false,
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PMA_DatabaseInterface::QUERY_STORE
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);
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}
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PMD_return_upd(1, __('Relation deleted'));
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?>
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