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 DatabaseSchema::indexExists

2 calls to DatabaseSchema_pgsql::indexExists()

DatabaseSchema_pgsql::addIndex in includes/database/pgsql/schema.inc

Add an index.

DatabaseSchema_pgsql::dropIndex in includes/database/pgsql/schema.inc

Drop an index.

File

includes/database/pgsql/schema.inc, line 613

Class

DatabaseSchema_pgsql

Code

public function indexExists($table, $name) {
  // Details https://www.postgresql.org/docs/10/view-pg-indexes.html
  $index_name = $this->ensureIdentifiersLength($table, $name, 'idx');
  return (bool) $this->connection
    ->query("SELECT 1 FROM pg_indexes WHERE indexname = '{$index_name}'")
    ->fetchField();
}

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