function Schema::indexExists

Same name in this branch
  1. 9 core/modules/sqlite/src/Driver/Database/sqlite/Schema.php \Drupal\sqlite\Driver\Database\sqlite\Schema::indexExists()
  2. 9 core/modules/mysql/src/Driver/Database/mysql/Schema.php \Drupal\mysql\Driver\Database\mysql\Schema::indexExists()
  3. 9 core/tests/fixtures/database_drivers/module/corefake/src/Driver/Database/corefakeWithAllCustomClasses/Schema.php \Drupal\corefake\Driver\Database\corefakeWithAllCustomClasses\Schema::indexExists()
  4. 9 core/lib/Drupal/Core/Database/Schema.php \Drupal\Core\Database\Schema::indexExists()
Same name and namespace in other branches
  1. 11.x core/modules/sqlite/src/Driver/Database/sqlite/Schema.php \Drupal\sqlite\Driver\Database\sqlite\Schema::indexExists()
  2. 11.x core/modules/mysql/src/Driver/Database/mysql/Schema.php \Drupal\mysql\Driver\Database\mysql\Schema::indexExists()
  3. 11.x core/modules/pgsql/src/Driver/Database/pgsql/Schema.php \Drupal\pgsql\Driver\Database\pgsql\Schema::indexExists()
  4. 11.x core/lib/Drupal/Core/Database/Schema.php \Drupal\Core\Database\Schema::indexExists()

File

core/modules/pgsql/src/Driver/Database/pgsql/Schema.php, line 723

Class

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

Namespace

Drupal\pgsql\Driver\Database\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');
  // Remove leading and trailing quotes because the index name is in a WHERE
  // clause and not used as an identifier.
  $index_name = str_replace('"', '', $index_name);
  return (bool) $this->connection
    ->query("SELECT 1 FROM pg_indexes WHERE indexname = '{$index_name}'")
    ->fetchField();
}

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