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<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
*
* @package PhpMyAdmin-Designer
*/
/**
*
*/
require_once './libraries/common.inc.php';
PMA_Response::getInstance()->disable();
require_once 'libraries/pmd_common.php';
extract($_POST, EXTR_SKIP);
extract($_GET, EXTR_SKIP);
$die_save_pos = 0;
require_once 'pmd_save_pos.php';
list($DB1, $T1) = explode(".", $T1);
list($DB2, $T2) = explode(".", $T2);
$tables = PMA_DBI_get_tables_full($db, $T1);
$type_T1 = strtoupper($tables[$T1]['ENGINE']);
$tables = PMA_DBI_get_tables_full($db, $T2);
$type_T2 = strtoupper($tables[$T2]['ENGINE']);
$try_to_delete_internal_relation = false;
if (PMA_Util::isForeignKeySupported($type_T1)
&& PMA_Util::isForeignKeySupported($type_T2)
&& $type_T1 == $type_T2
) {
// InnoDB
$existrel_foreign = PMA_getForeigners($DB2, $T2, '', 'foreign');
if (isset($existrel_foreign[$F2]['constraint'])) {
$upd_query = 'ALTER TABLE ' . PMA_Util::backquote($DB2)
. '.' . PMA_Util::backquote($T2) . ' DROP FOREIGN KEY '
. PMA_Util::backquote($existrel_foreign[$F2]['constraint'])
. ';';
$upd_rs = PMA_DBI_query($upd_query);
} else {
// there can be an internal relation even if InnoDB
$try_to_delete_internal_relation = true;
}
} else {
$try_to_delete_internal_relation = true;
}
if ($try_to_delete_internal_relation) {
// internal relations
PMA_queryAsControlUser(
'DELETE FROM '
. PMA_Util::backquote($GLOBALS['cfgRelation']['db']) . '.'
. $cfg['Server']['relation'].' WHERE '
. 'master_db = \'' . PMA_Util::sqlAddSlashes($DB2) . '\''
. ' AND master_table = \'' . PMA_Util::sqlAddSlashes($T2) . '\''
. ' AND master_field = \'' . PMA_Util::sqlAddSlashes($F2) . '\''
. ' AND foreign_db = \'' . PMA_Util::sqlAddSlashes($DB1) . '\''
. ' AND foreign_table = \'' . PMA_Util::sqlAddSlashes($T1) . '\''
. ' AND foreign_field = \'' . PMA_Util::sqlAddSlashes($F1) . '\'',
false,
PMA_DBI_QUERY_STORE
);
}
PMD_return_upd(1, __('Relation deleted'));
function PMD_return_upd($b, $ret)
{
global $K;
header("Content-Type: text/xml; charset=utf-8");
header("Cache-Control: no-cache");
die('<root act="relation_upd" return="'.$ret.'" b="'.$b.'" K="'.$K.'"></root>');
}
?>