public function Schema::dropConstraint in Drupal driver for SQL Server and SQL Azure 4.0.x

Same name and namespace in other branches

1. 4.2.x src/Driver/Database/sqlsrv/Schema.php \Drupal\sqlsrv\Driver\Database\sqlsrv\Schema::dropConstraint()
2. 3.1.x src/Driver/Database/sqlsrv/Schema.php \Drupal\sqlsrv\Driver\Database\sqlsrv\Schema::dropConstraint()
3. 4.1.x src/Driver/Database/sqlsrv/Schema.php \Drupal\sqlsrv\Driver\Database\sqlsrv\Schema::dropConstraint()

Drop a constraint.

Parameters

string $table: Table name.

string $name: Constraint name.

bool $check: Check if the constraint exists?

2 calls to Schema::dropConstraint()

Schema::cleanUpPrimaryKey in src/Driver/Database/sqlsrv/Schema.php

Drop the primary key constraint.

Schema::dropFieldRelatedObjects in src/Driver/Database/sqlsrv/Schema.php

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

File

src/Driver/Database/sqlsrv/Schema.php, line 1766

Class

Schema

Namespace

Drupal\sqlsrv\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);
}