yiisoft/yii2 · error · yii\base\NotSupportedException

{} does not support getting unique indexes information.

Error message

{} does not support getting unique indexes information.

What it means

Error "{} does not support getting unique indexes information." thrown in yiisoft/yii2.

Source

Thrown at framework/db/Schema.php:357

     *
     * Each array element is of the following structure:
     *
     * ```
     * [
     *  'IndexName1' => ['col1' [, ...]],
     *  'IndexName2' => ['col2' [, ...]],
     * ]
     * ```
     *
     * This method should be overridden by child classes in order to support this feature
     * because the default implementation simply throws an exception
     * @param TableSchema $table the table metadata
     * @return array all unique indexes for the given table.
     * @throws NotSupportedException if this method is called
     */
    public function findUniqueIndexes($table)
    {
        throw new NotSupportedException(get_class($this) . ' does not support getting unique indexes information.');
    }

    /**
     * Returns the ID of the last inserted row or sequence value.
     * @param string $sequenceName name of the sequence object (required by some DBMS)
     * @return string the row ID of the last row inserted, or the last value retrieved from the sequence object
     * @throws InvalidCallException if the DB connection is not active
     * @see https://www.php.net/manual/en/function.PDO-lastInsertId.php
     */
    public function getLastInsertID($sequenceName = '')
    {
        if ($this->db->isActive) {
            return $this->db->pdo->lastInsertId($sequenceName === '' ? null : $this->quoteTableName($sequenceName));
        }

        throw new InvalidCallException('DB Connection is not active.');
    }

View on GitHub (pinned to 66f00d18a2)

When it happens

Trigger: Thrown at framework/db/Schema.php:357 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of yiisoft/yii2@66f00d18a2 (2026-08-17). Data as JSON: /api/errors/23a79f8ae607cf3e. Report an issue: GitHub.