Changeset 16051 for trunk/wp-includes/classes.php

Timestamp:

10/28/2010 04:27:18 PM (16 years ago)

Author:

scribu

Message:

Move WP_Object_Query to it's own file. See #15032

File:

• trunk/wp-includes/classes.php (modified) (1 diff)

trunk/wp-includes/classes.php

@@ -526 +526 @@
 
 /**
- * WordPress Query class.
- *
- * Abstract class for handling advanced queries
- *
- * @package WordPress
- * @since 3.1.0
- */
-class WP_Object_Query {
-
-        /**
-         * Query vars, after parsing
-         *
-         * @since 3.1.0
-         * @access public
-         * @var array
-         */
-        var $query_vars;
-
-        /**
-         * Retrieve query variable.
-         *
-         * @since 3.1.0
-         * @access public
-         *
-         * @param string $query_var Query variable key.
-         * @return mixed
-         */
-        function get( $query_var ) {
-                if ( isset( $this->query_vars[$query_var] ) )
-                        return $this->query_vars[$query_var];
-
-                return '';
-        }
-
-        /**
-         * Set query variable.
-         *
-         * @since 3.1.0
-         * @access public
-         *
-         * @param string $query_var Query variable key.
-         * @param mixed $value Query variable value.
-         */
-        function set( $query_var, $value ) {
-                $this->query_vars[ $query_var ] = $value;
-        }
-
-        /*
-         * Populates the $meta_query property
-         *
-         * @access protected
-         * @since 3.1.0
-         *
-         * @param array $qv The query variables
-         */
-        function parse_meta_query( &$qv ) {
-                $meta_query = array();
-
-                // Simple query needs to be first for orderby=meta_value to work correctly
-                foreach ( array( 'key', 'value', 'compare', 'type' ) as $key ) {
-                        if ( !empty( $qv[ "meta_$key" ] ) )
-                                $meta_query[0][ $key ] = $qv[ "meta_$key" ];
-                }
-
-                if ( !empty( $qv['meta_query'] ) && is_array( $qv['meta_query'] ) ) {
-                        $meta_query = array_merge( $meta_query, $qv['meta_query'] );
-                }
-
-                $qv['meta_query'] = $meta_query;
-        }
-
-        /*
-         * Used internally to generate an SQL string for searching across multiple meta key = value pairs
-         *
-         * @access protected
-         * @since 3.1.0
-         *
-         * @param array $meta_query List of metadata queries. A single query is an associative array:
-         * - 'key' string The meta key
-         * - 'value' string|array The meta value
-         * - 'compare' (optional) string How to compare the key to the value.
-         *              Possible values: '=', '!=', '>', '>=', '<', '<=', 'LIKE', 'NOT LIKE', 'IN', 'NOT IN', 'BETWEEN', 'NOT BETWEEN'.
-         *              Default: '='
-         * - 'type' string (optional) The type of the value.
-         *              Possible values: 'NUMERIC', 'BINARY', 'CHAR', 'DATE', 'DATETIME', 'DECIMAL', 'SIGNED', 'TIME', 'UNSIGNED'.
-         *              Default: 'CHAR'
-         *
-         * @param string $primary_table
-         * @param string $primary_id_column
-         * @param string $meta_table
-         * @param string $meta_id_column
-         * @return array( $join_sql, $where_sql )
-         */
-        function get_meta_sql( $meta_query, $primary_table, $primary_id_column, $meta_table, $meta_id_column ) {
-                global $wpdb;
-
-                $clauses = array();
-
-                $join = '';
-                $where = '';
-                $i = 0;
-                foreach ( $meta_query as $q ) {
-                        $meta_key = isset( $q['key'] ) ? trim( $q['key'] ) : '';
-                        $meta_value = isset( $q['value'] ) ? $q['value'] : '';
-                        $meta_compare = isset( $q['compare'] ) ? strtoupper( $q['compare'] ) : '=';
-                        $meta_type = isset( $q['type'] ) ? strtoupper( $q['type'] ) : 'CHAR';
-
-                        if ( ! in_array( $meta_compare, array( '=', '!=', '>', '>=', '<', '<=', 'LIKE', 'NOT LIKE', 'IN', 'NOT IN', 'BETWEEN', 'NOT BETWEEN' ) ) )
-                                $meta_compare = '=';
-
-                        if ( 'NUMERIC' == $meta_type )
-                                $meta_type = 'SIGNED';
-                        elseif ( ! in_array( $meta_type, array( 'BINARY', 'CHAR', 'DATE', 'DATETIME', 'DECIMAL', 'SIGNED', 'TIME', 'UNSIGNED' ) ) )
-                                $meta_type = 'CHAR';
-
-                        if ( empty( $meta_key ) && empty( $meta_value ) )
-                                continue;
-
-                        $alias = $i ? 'mt' . $i : $meta_table;
-
-                        $join .= "\nINNER JOIN $meta_table";
-                        $join .= $i ? " AS $alias" : '';
-                        $join .= " ON ($primary_table.$primary_id_column = $alias.$meta_id_column)";
-
-                        $i++;
-
-                        if ( !empty( $meta_key ) )
-                                $where .= $wpdb->prepare( " AND $alias.meta_key = %s", $meta_key );
-
-                        if ( in_array( $meta_compare, array( 'IN', 'NOT IN', 'BETWEEN', 'NOT BETWEEN' ) ) ) {
-                                if ( ! is_array( $meta_value ) )
-                                        $meta_value = preg_split( '/[,\s]+/', $meta_value );
-                        } else {
-                                $meta_value = trim( $meta_value );
-                        }
-
-                        if ( empty( $meta_value ) )
-                                continue;
-
-                        if ( 'IN' == substr( $meta_compare, -2) ) {
-                                $meta_field_types = substr( str_repeat( ',%s', count( $meta_value ) ), 1 );
-                                $meta_compare_string = "($meta_field_types)";
-                                unset( $meta_field_types );
-                        } elseif ( 'BETWEEN' == substr( $meta_compare, -7) ) {
-                                $meta_value = array_slice( $meta_value, 0, 2 );
-                                $meta_compare_string = '%s AND %s';
-                        } elseif ( 'LIKE' == substr( $meta_compare, -4 ) ) {
-                                $meta_value = '%' . like_escape( $meta_value ) . '%';
-                                $meta_compare_string = '%s';
-                        } else {
-                                $meta_compare_string = '%s';
-                        }
-                        $where .= $wpdb->prepare( " AND CAST($alias.meta_value AS {$meta_type}) {$meta_compare} {$meta_compare_string}", $meta_value );
-                        unset($meta_compare_string);
-                }
-
-                return array( $join, $where );
-        }
-
-        /*
-         * Used internally to generate an SQL string for searching across multiple taxonomies
-         *
-         * @access protected
-         * @since 3.1.0
-         *
-         * @param array $tax_query List of taxonomy queries. A single taxonomy query is an associative array:
-         * - 'taxonomy' string|array The taxonomy being queried
-         * - 'terms' string|array The list of terms
-         * - 'field' string (optional) Which term field is being used.
-         *              Possible values: 'term_id', 'slug' or 'name'
-         *              Default: 'slug'
-         * - 'operator' string (optional)
-         *              Possible values: 'IN' and 'NOT IN'.
-         *              Default: 'IN'
-         * - 'include_children' bool (optional) Whether to include child terms.
-         *              Default: true
-         *
-         * @param string $object_id_column
-         * @return string
-         */
-        function get_tax_sql( $tax_query, $object_id_column ) {
-                global $wpdb;
-
-                $sql = array();
-                foreach ( $tax_query as $query ) {
-                        if ( !isset( $query['include_children'] ) )
-                                $query['include_children'] = true;
-
-                        $query['do_query'] = false;
-
-                        $sql_single = get_objects_in_term( $query['terms'], $query['taxonomy'], $query );
-
-                        if ( empty( $sql_single ) )
-                                return ' AND 0 = 1';
-
-                        $sql[] = $sql_single;
-                }
-
-                if ( 1 == count( $sql ) ) {
-                        $ids = $wpdb->get_col( $sql[0] );
-                } else {
-                        $r = "SELECT object_id FROM $wpdb->term_relationships WHERE 1=1";
-                        foreach ( $sql as $query )
-                                $r .= " AND object_id IN ($query)";
-
-                        $ids = $wpdb->get_col( $r );
-                }
-
-                if ( !empty( $ids ) )
-                        return " AND $object_id_column IN(" . implode( ', ', $ids ) . ")";
-                else
-                        return ' AND 0 = 1';
-        }
-
-        /*
-         * Used internally to generate an SQL string for searching across multiple columns
-         *
-         * @access protected
-         * @since 3.1.0
-         *
-         * @param string $string
-         * @param array $cols
-         * @return string
-         */
-        function get_search_sql( $string, $cols ) {
-                $string = esc_sql( $string );
-
-                $searches = array();
-                foreach ( $cols as $col )
-                        $searches[] = "$col LIKE '%$string%'";
-
-                return ' AND (' . implode(' OR ', $searches) . ')';
-        }
-}
-
-/**
  * WordPress Error class.
  *