DatabaseSchema_pgsql::addIndex

Add an index.

@throws DatabaseSchemaObjectExistsException If the specified table already has an index by that name.

Parameters

$table: The table to be altered.

$name: The name of the index.

$fields: An array of field names.

Overrides DatabaseSchema::addIndex

Throws

DatabaseSchemaObjectDoesNotExistException If the specified table doesn't exist.

File

includes/database/pgsql/schema.inc, line 476

Database schema code for PostgreSQL database servers.

Code

public function addIndex($table, $name, $fields) {
  if (!$this->tableExists($table)) {
    throw new DatabaseSchemaObjectDoesNotExistException(t("Cannot add index %name to table %table: table doesn't exist.", array('%table' => $table, '%name' => $name)));
  }
  if ($this->indexExists($table, $name)) {
    throw new DatabaseSchemaObjectExistsException(t("Cannot add index %name to table %table: index already exists.", array('%table' => $table, '%name' => $name)));
  }

  $this->connection->query($this->_createIndexSql($table, $name, $fields));
}