yiisoft/yii2 · error · yii\base\NotSupportedException

{} does not support adding default value constraints.

Error message

{} does not support adding default value constraints.

What it means

Error "{} does not support adding default value constraints." thrown in yiisoft/yii2.

Source

Thrown at framework/db/QueryBuilder.php:1019

            . ' DROP CONSTRAINT ' . $this->db->quoteColumnName($name);
    }

    /**
     * Creates a SQL command for adding a default value constraint to an existing table.
     * @param string $name the name of the default value constraint.
     * The name will be properly quoted by the method.
     * @param string $table the table that the default value constraint will be added to.
     * The name will be properly quoted by the method.
     * @param string $column the name of the column to that the constraint will be added on.
     * The name will be properly quoted by the method.
     * @param mixed $value default value.
     * @return string the SQL statement for adding a default value constraint to an existing table.
     * @throws NotSupportedException if this is not supported by the underlying DBMS.
     * @since 2.0.13
     */
    public function addDefaultValue($name, $table, $column, $value)
    {
        throw new NotSupportedException($this->db->getDriverName() . ' does not support adding default value constraints.');
    }

    /**
     * Creates a SQL command for dropping a default value constraint.
     * @param string $name the name of the default value constraint to be dropped.
     * The name will be properly quoted by the method.
     * @param string $table the table whose default value constraint is to be dropped.
     * The name will be properly quoted by the method.
     * @return string the SQL statement for dropping a default value constraint.
     * @throws NotSupportedException if this is not supported by the underlying DBMS.
     * @since 2.0.13
     */
    public function dropDefaultValue($name, $table)
    {
        throw new NotSupportedException($this->db->getDriverName() . ' does not support dropping default value constraints.');
    }

    /**

View on GitHub (pinned to 66f00d18a2)

When it happens

Trigger: Thrown at framework/db/QueryBuilder.php:1019 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/1227e005806f595b. Report an issue: GitHub.