system_update_180

• Drupal 4.7
• Drupal 5

Versions

4.7 – 5

system_update_180()

Code

database/updates.inc, line 1963

<?php
function system_update_180() {
  $ret = array();

  switch ($GLOBALS['db_type']) {
    case 'mysql':
    case 'mysqli':
      $ret[] = update_sql("ALTER TABLE {node} DROP PRIMARY KEY");
      $ret[] = update_sql("ALTER TABLE {node} ADD PRIMARY KEY (nid, vid)");
      $ret[] = update_sql("ALTER TABLE {node} ADD UNIQUE (vid)");
      $ret[] = update_sql("ALTER TABLE {node} ADD INDEX (nid)");

      $ret[] = update_sql("ALTER TABLE {node_counter} CHANGE nid nid INT(10) NOT NULL DEFAULT '0'");
      break;
    case 'pgsql':
      $ret[] = update_sql("ALTER TABLE {node} DROP CONSTRAINT {node}_pkey"); // Change PK
      $ret[] = update_sql("ALTER TABLE {node} ADD PRIMARY KEY (nid, vid)");
      $ret[] = update_sql('DROP INDEX {node}_vid_idx'); // Change normal index to UNIQUE index
      $ret[] = update_sql('CREATE UNIQUE INDEX {node}_vid_idx ON {node}(vid)');
      $ret[] = update_sql('CREATE INDEX {node}_nid_idx ON {node}(nid)'); // Add index on nid
      break;
  }

  return $ret;
}
?>

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