/**
* column_constraint_temporary_drop's companion - restore $columns list of columns to $node_type type
*
* @param $columns reference columns returned by reference
* @param $node_schema
* @param $node_type
* @return string DDL
*/
public static function column_constraint_restore($columns, $node_schema, $node_type)
{
$ddl = '';
foreach ($columns as $column_map) {
$ddl .= mssql10_type::get_add_check_sql($column_map['alter_column_schema'], $column_map['alter_column_table'], $column_map['alter_column_column'], $node_type);
}
return $ddl;
}
public static function enum_type_check($db_doc, $node_schema, $node_table, $node_column, &$drop_sql, &$add_sql)
{
// if the column type is a defined enum, (re)add a check constraint to enforce the pseudo-enum
$foreign = array();
$column_type = mssql10_column::column_type($db_doc, $node_schema, $node_table, $node_column, $foreign, FALSE);
if (preg_match('/' . dbx::enum_regex($db_doc) . '/i', $column_type) > 0) {
$type_schema_name = sql_parser::get_schema_name($column_type, $db_doc);
$type_schema = dbx::get_schema($db_doc, $type_schema_name);
$node_type = dbx::get_type($type_schema, sql_parser::get_object_name($column_type, $db_doc));
if (!$node_type) {
var_dump($node_type);
throw new exception('failed to find column_type ' . $column_type . ' in type_schema_name ' . $type_schema_name);
}
$drop_sql = mssql10_type::get_drop_check_sql($node_schema, $node_table, $node_column, $node_type);
$add_sql = mssql10_type::get_add_check_sql($node_schema, $node_table, $node_column, $node_type);
return TRUE;
}
return FALSE;
}
