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

bool TRUE if the given index exists, otherwise FALSE.

Overrides Schema::indexExists

4 calls to Schema::indexExists()

Schema::addIndex in core/modules/sqlite/src/Driver/Database/sqlite/Schema.php

Add an index.

Schema::addUniqueKey in core/modules/sqlite/src/Driver/Database/sqlite/Schema.php

Add a unique key.

Schema::dropIndex in core/modules/sqlite/src/Driver/Database/sqlite/Schema.php

Drop an index.

Schema::dropUniqueKey in core/modules/sqlite/src/Driver/Database/sqlite/Schema.php

Drop a unique key.

File

core/modules/sqlite/src/Driver/Database/sqlite/Schema.php, line 701

Class

Schema

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

Namespace

Drupal\sqlite\Driver\Database\sqlite

Code

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

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