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new function to rename a field in relation tables (from tbl_alter.php)

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Sebastian Mendel
2008-05-06 14:04:54 +00:00
parent 7c7b9b55a2
commit e8a6b1af54
1 changed files with 44 additions and 0 deletions
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44
libraries/relation.lib.php
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@@ -1087,4 +1087,48 @@ function PMA_getRelatives($from)
return true; return true;
} // end of the "PMA_getRelatives()" function } // end of the "PMA_getRelatives()" function
/**
* Rename a field in relation tables
*
* usually called after a field in a table was renamed in tbl_alter.php
*
* @uses PMA_getRelationsParam()
* @uses PMA_backquote()
* @uses PMA_sqlAddslashes()
* @uses PMA_query_as_cu()
* @param string $db
* @param string $table
* @param string $field
* @param string $new_name
*/
function PMA_REL_renameField($db, $table, $field, $new_name)
{
$cfgRelation = PMA_getRelationsParam();
if ($cfgRelation['displaywork']) {
$table_query = 'UPDATE ' . PMA_backquote($cfgRelation['db']) . '.' . PMA_backquote($cfgRelation['table_info'])
. ' SET display_field = \'' . PMA_sqlAddslashes($new_name) . '\''
. ' WHERE db_name = \'' . PMA_sqlAddslashes($db) . '\''
. ' AND table_name = \'' . PMA_sqlAddslashes($table) . '\''
. ' AND display_field = \'' . PMA_sqlAddslashes($field) . '\'';
PMA_query_as_cu($table_query);
}
if ($cfgRelation['relwork']) {
$table_query = 'UPDATE ' . PMA_backquote($cfgRelation['db']) . '.' . PMA_backquote($cfgRelation['relation'])
. ' SET master_field = \'' . PMA_sqlAddslashes($new_name) . '\''
. ' WHERE master_db = \'' . PMA_sqlAddslashes($db) . '\''
. ' AND master_table = \'' . PMA_sqlAddslashes($table) . '\''
. ' AND master_field = \'' . PMA_sqlAddslashes($field) . '\'';
PMA_query_as_cu($table_query);
$table_query = 'UPDATE ' . PMA_backquote($cfgRelation['db']) . '.' . PMA_backquote($cfgRelation['relation'])
. ' SET foreign_field = \'' . PMA_sqlAddslashes($new_name) . '\''
. ' WHERE foreign_db = \'' . PMA_sqlAddslashes($db) . '\''
. ' AND foreign_table = \'' . PMA_sqlAddslashes($table) . '\''
. ' AND foreign_field = \'' . PMA_sqlAddslashes($field) . '\'';
PMA_query_as_cu($table_query);
} // end if relwork
}
?> ?>