public function Schema::dropConstraint in Drupal driver for SQL Server and SQL Azure 3.0.x

Drop a constraint.

Parameters

string $table: Table name.

string $name: Constraint name.

bool $check: Check if the constraint exists?

3 calls to Schema::dropConstraint()

Schema::cleanUpPrimaryKey in drivers/lib/Drupal/Driver/Database/sqlsrv/Schema.php

Drop the primary key constraint.

Schema::dropFieldRelatedObjects in drivers/lib/Drupal/Driver/Database/sqlsrv/Schema.php

Drop the related objects of a column (indexes, constraints, etc.).

Schema::fieldSetNoDefault in drivers/lib/Drupal/Driver/Database/sqlsrv/Schema.php

File

drivers/lib/Drupal/Driver/Database/sqlsrv/Schema.php, line 1806

Class

Schema

Namespace

Drupal\Driver\Database\sqlsrv

Code

public function dropConstraint($table, $name, $check = TRUE) {

  // Check if constraint exists.
  if ($check) {

    // Do Something.
  }
  $sql = 'ALTER TABLE {' . $table . '} DROP CONSTRAINT [' . $name . ']';
  $this->connection
    ->query($sql);
  $this
    ->resetColumnInformation($table);
}