public function Schema::indexExists in Drupal 8

Same name in this branch

1. 8 core/lib/Drupal/Core/Database/Schema.php \Drupal\Core\Database\Schema::indexExists()
2. 8 core/lib/Drupal/Core/Database/Driver/sqlite/Schema.php \Drupal\Core\Database\Driver\sqlite\Schema::indexExists()
3. 8 core/lib/Drupal/Core/Database/Driver/pgsql/Schema.php \Drupal\Core\Database\Driver\pgsql\Schema::indexExists()
4. 8 core/lib/Drupal/Core/Database/Driver/mysql/Schema.php \Drupal\Core\Database\Driver\mysql\Schema::indexExists()

Same name and namespace in other branches

1. 9 core/lib/Drupal/Core/Database/Driver/sqlite/Schema.php \Drupal\Core\Database\Driver\sqlite\Schema::indexExists()

Checks if an index exists in the given table.

Parameters

$table: The name of the table in drupal (no prefixing).

$name: The name of the index in drupal (no prefixing).

Return value

TRUE if the given index exists, otherwise FALSE.

Overrides Schema::indexExists

4 calls to Schema::indexExists()

Schema::addIndex in core/lib/Drupal/Core/Database/Driver/sqlite/Schema.php

Add an index.

Schema::addUniqueKey in core/lib/Drupal/Core/Database/Driver/sqlite/Schema.php

Add a unique key.

Schema::dropIndex in core/lib/Drupal/Core/Database/Driver/sqlite/Schema.php

Drop an index.

Schema::dropUniqueKey in core/lib/Drupal/Core/Database/Driver/sqlite/Schema.php

Drop a unique key.

File

core/lib/Drupal/Core/Database/Driver/sqlite/Schema.php, line 679

Class

Schema

SQLite implementation of \Drupal\Core\Database\Schema.

Namespace

Drupal\Core\Database\Driver\sqlite

Code

public function indexExists($table, $name) {
  $info = $this
    ->getPrefixInfo($table);
  return $this->connection
    ->query('PRAGMA ' . $info['schema'] . '.index_info(' . $info['table'] . '_' . $name . ')')
    ->fetchField() != '';
}