yiisoft/yii2 · error · yii\base\NotSupportedException

{} does not support fetching all table names.

Error message

{} does not support fetching all table names.

What it means

Error "{} does not support fetching all table names." thrown in yiisoft/yii2.

Source

Thrown at framework/db/Schema.php:166

     * @throws NotSupportedException if this method is not supported by the DBMS.
     * @since 2.0.4
     */
    protected function findSchemaNames()
    {
        throw new NotSupportedException(get_class($this) . ' does not support fetching all schema names.');
    }

    /**
     * Returns all table names in the database.
     * This method should be overridden by child classes in order to support this feature
     * because the default implementation simply throws an exception.
     * @param string $schema the schema of the tables. Defaults to empty string, meaning the current or default schema.
     * @return array all table names in the database. The names have NO schema name prefix.
     * @throws NotSupportedException if this method is not supported by the DBMS.
     */
    protected function findTableNames($schema = '')
    {
        throw new NotSupportedException(get_class($this) . ' does not support fetching all table names.');
    }

    /**
     * Loads the metadata for the specified table.
     * @param string $name table name
     * @return TableSchema|null DBMS-dependent table metadata, `null` if the table does not exist.
     */
    abstract protected function loadTableSchema($name);

    /**
     * Creates a column schema for the database.
     * This method may be overridden by child classes to create a DBMS-specific column schema.
     * @return T column schema instance.
     * @throws InvalidConfigException if a column schema class cannot be created.
     */
    protected function createColumnSchema()
    {
        return Yii::createObject($this->columnSchemaClass);

View on GitHub (pinned to 66f00d18a2)

When it happens

Trigger: Thrown at framework/db/Schema.php:166 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/f198972bc0f882a3. Report an issue: GitHub.