Menu Adam R Brown

WP hooks navigation: Home/browseActions indexFilters index

Source View: dbdelta_create_queries

To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).

Understanding Source Code

The best way to understand what a hook does is to look at where it occurs in the source code.

Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.

Source View

Line Code
1551                array_unshift($cqueries, $qry);
1552           } else if (preg_match("|INSERT INTO ([^ ]*)|", $qry, $matches)) {
1553                $iqueries[] = $qry;
1554           } else if (preg_match("|UPDATE ([^ ]*)|", $qry, $matches)) {
1555                $iqueries[] = $qry;
1556           } else {
1557                // Unrecognized query type
1558           }
1559      }
1560      $cqueries = apply_filters( 'dbdelta_create_queries', $cqueries );
1561      $iqueries = apply_filters( 'dbdelta_insert_queries', $iqueries );
1562
1563      $global_tables = $wpdb->tables( 'global' );
1564      foreach ( $cqueries as $table => $qry ) {
1565           // Upgrade global tables only for the main site. Don't upgrade at all if DO_NOT_UPGRADE_GLOBAL_TABLES is defined.
1566           if ( in_array( $table, $global_tables ) && ( !is_main_site() || defined( 'DO_NOT_UPGRADE_GLOBAL_TABLES' ) ) ) {
1567                unset( $cqueries[ $table ], $for_update[ $table ] );
1568                continue;
1569           }