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Schema API

A Drupal schema definition is an array structure representing one or more tables and their related keys and indexes. A schema is defined by hook_schema(), which usually lives in a modulename.install file.

Code

includes/database/pgsql/schema.inc, line 580

<?php
protected function _createIndexSql($table, $name, $fields) {
  $query = 'CREATE INDEX {' . $table . '}_' . $name . '_idx ON {' . $table . '} (';
  $query .= $this->_createKeySql($fields) . ')';
  return $query;
}
?>