framework/db/ActiveRecord.php
protected static function filterValidColumnNames($db, array $aliases)
    {
        $columnNames = [];
        $tableName = static::tableName();
        $quotedTableName = $db->quoteTableName($tableName);

        foreach (static::getTableSchema()->getColumnNames() as $columnName) {
            $columnNames[] = $columnName;
            $columnNames[] = $db->quoteColumnName($columnName);
            $columnNames[] = "$tableName.$columnName";
            $columnNames[] = $db->quoteSql("$quotedTableName.[[$columnName]]");
            foreach ($aliases as $tableAlias) {
                $columnNames[] = "$tableAlias.$columnName";
                $quotedTableAlias = $db->quoteTableName($tableAlias);
                $columnNames[] = $db->quoteSql("$quotedTableAlias.[[$columnName]]");
            }
        }

        return $columnNames;
    }
protected static function filterValidColumnNames($db, array $aliases)
    {
        $columnNames = [];
        $tableName = static::tableName();
        $quotedTableName = $db->quoteTableName($tableName);

        foreach (static::getTableSchema()->getColumnNames() as $columnName) {
            $columnNames[] = $columnName;
            $columnNames[] = $db->quoteColumnName($columnName);
            $columnNames[] = "$tableName.$columnName";
            $columnNames[] = $db->quoteSql("$quotedTableName.[[$columnName]]");
            foreach ($aliases as $tableAlias) {
                $columnNames[] = "$tableAlias.$columnName";
                $quotedTableAlias = $db->quoteTableName($tableAlias);
                $columnNames[] = $db->quoteSql("$quotedTableAlias.[[$columnName]]");
            }
        }

        return $columnNames;
    }
Valid column names are table column names or column names prefixed with table name or table alias

@param Connection $db
@param array $aliases
@return array
@throws InvalidConfigException
@since 2.0.17
@internal