function db_drop_primary_key
| 7.x database.inc | db_drop_primary_key($table) |
| 6.x database.pgsql.inc | db_drop_primary_key(&$ret, $table) |
| 6.x database.mysql-common.inc | db_drop_primary_key(&$ret, $table) |
Drop the primary key.
Parameters
$ret: Array to which query results will be added.
$table: The table to be altered.
Related topics
5 calls to db_drop_primary_key()
- system_update_6001 in drupal-6.x/
modules/ system/ system.install - Add version id column to {term_node} to allow taxonomy module to use revisions.
- system_update_6002 in drupal-6.x/
modules/ system/ system.install - Increase the maximum length of variable names from 48 to 128.
- system_update_6019 in drupal-6.x/
modules/ system/ system.install - Reconcile small differences in the previous, manually created mysql and pgsql schemas so they are the same and can be represented by a single schema structure.
- system_update_6022 in drupal-6.x/
modules/ system/ system.install - Update files tables to associate files to a uid by default instead of a nid. Rename file_revisions to upload since it should only be used by the upload module used by upload to link files to nodes.
- system_update_6043 in drupal-6.x/
modules/ system/ system.install - Update table indices to make them more rational and useful.
File
- drupal-6.x/
includes/ database.mysql-common.inc, line 394 - Functions shared between mysql and mysqli database engines.
Code
function db_drop_primary_key(&$ret, $table) {
$ret[] = update_sql('ALTER TABLE {' . $table . '} DROP PRIMARY KEY');
}