Collects the metadata of table columns.
| protected findColumns ( yii\db\TableSchema $table ) : boolean | ||
| $table | yii\db\TableSchema | the table metadata |
| return | boolean | whether the table exists in the database |
/**
* @inheritdoc
*/
protected function findColumns($table)
{
if (parent::findColumns($table)) {
if (!count($table->primaryKey)) {
foreach ($table->columns as $column) {
if (preg_match('~^pk_~', $column->name)) {
$table->primaryKey[] = $column->name;
}
}
if (!count($table->primaryKey)) {
foreach ($table->columns as $column) {
$table->primaryKey[] = $column->name;
break;
}
}
}
return true;
}
return false;
}
