public function DatabaseSchema_mysql::dropPrimaryKey

cis7 schema.inc public DatabaseSchema_mysql::dropPrimaryKey($table)
cle7 schema.inc public DatabaseSchema_mysql::dropPrimaryKey($table)
elmsmedia7 schema.inc public DatabaseSchema_mysql::dropPrimaryKey($table)
icor7 schema.inc public DatabaseSchema_mysql::dropPrimaryKey($table)
meedjum_blog7 schema.inc public DatabaseSchema_mysql::dropPrimaryKey($table)
mooc7 schema.inc public DatabaseSchema_mysql::dropPrimaryKey($table)

Drop the primary key.

Parameters

$table: The table to be altered.

Return value

TRUE if the primary key was successfully dropped, FALSE if there was no primary key on this table to begin with.

Overrides DatabaseSchema::dropPrimaryKey

File

includes/database/mysql/schema.inc, line 403
Database schema code for MySQL database servers.

Class

DatabaseSchema_mysql

Code

public function dropPrimaryKey($table) {
  if (!$this->indexExists($table, 'PRIMARY')) {
    return FALSE;
  }

  $this->connection->query('ALTER TABLE {' . $table . '} DROP PRIMARY KEY');
  return TRUE;
}
Error | ELMSLN API

Error

×

Error message

  • Warning: Cannot modify header information - headers already sent by (output started at /var/www/html/elmsln_community/api.elmsln.org/includes/common.inc:2791) in drupal_send_headers() (line 1499 of /var/www/html/elmsln_community/api.elmsln.org/includes/bootstrap.inc).
  • Error: Call to undefined function apc_delete() in DrupalAPCCache->clear() (line 289 of /var/www/html/elmsln_community/api.elmsln.org/sites/all/modules/apc/drupal_apc_cache.inc).
The website encountered an unexpected error. Please try again later.