670 lines
19 KiB
PHP
670 lines
19 KiB
PHP
<?php
|
|
/**
|
|
* Taxonomy API: WP_Tax_Query class
|
|
*
|
|
* @package WordPress
|
|
* @subpackage Taxonomy
|
|
* @since 4.4.0
|
|
*/
|
|
|
|
/**
|
|
* Core class used to implement taxonomy queries for the Taxonomy API.
|
|
*
|
|
* Used for generating SQL clauses that filter a primary query according to object
|
|
* taxonomy terms.
|
|
*
|
|
* WP_Tax_Query is a helper that allows primary query classes, such as WP_Query, to filter
|
|
* their results by object metadata, by generating `JOIN` and `WHERE` subclauses to be
|
|
* attached to the primary SQL query string.
|
|
*
|
|
* @since 3.1.0
|
|
*/
|
|
class WP_Tax_Query {
|
|
|
|
/**
|
|
* Array of taxonomy queries.
|
|
*
|
|
* See WP_Tax_Query::__construct() for information on tax query arguments.
|
|
*
|
|
* @since 3.1.0
|
|
* @access public
|
|
* @var array
|
|
*/
|
|
public $queries = array();
|
|
|
|
/**
|
|
* The relation between the queries. Can be one of 'AND' or 'OR'.
|
|
*
|
|
* @since 3.1.0
|
|
* @access public
|
|
* @var string
|
|
*/
|
|
public $relation;
|
|
|
|
/**
|
|
* Standard response when the query should not return any rows.
|
|
*
|
|
* @since 3.2.0
|
|
*
|
|
* @static
|
|
* @access private
|
|
* @var string
|
|
*/
|
|
private static $no_results = array( 'join' => array( '' ), 'where' => array( '0 = 1' ) );
|
|
|
|
/**
|
|
* A flat list of table aliases used in the JOIN clauses.
|
|
*
|
|
* @since 4.1.0
|
|
* @access protected
|
|
* @var array
|
|
*/
|
|
protected $table_aliases = array();
|
|
|
|
/**
|
|
* Terms and taxonomies fetched by this query.
|
|
*
|
|
* We store this data in a flat array because they are referenced in a
|
|
* number of places by WP_Query.
|
|
*
|
|
* @since 4.1.0
|
|
* @access public
|
|
* @var array
|
|
*/
|
|
public $queried_terms = array();
|
|
|
|
/**
|
|
* Database table that where the metadata's objects are stored (eg $wpdb->users).
|
|
*
|
|
* @since 4.1.0
|
|
* @access public
|
|
* @var string
|
|
*/
|
|
public $primary_table;
|
|
|
|
/**
|
|
* Column in 'primary_table' that represents the ID of the object.
|
|
*
|
|
* @since 4.1.0
|
|
* @access public
|
|
* @var string
|
|
*/
|
|
public $primary_id_column;
|
|
|
|
/**
|
|
* Constructor.
|
|
*
|
|
* @since 3.1.0
|
|
* @since 4.1.0 Added support for `$operator` 'NOT EXISTS' and 'EXISTS' values.
|
|
* @access public
|
|
*
|
|
* @param array $tax_query {
|
|
* Array of taxonomy query clauses.
|
|
*
|
|
* @type string $relation Optional. The MySQL keyword used to join
|
|
* the clauses of the query. Accepts 'AND', or 'OR'. Default 'AND'.
|
|
* @type array {
|
|
* Optional. An array of first-order clause parameters, or another fully-formed tax query.
|
|
*
|
|
* @type string $taxonomy Taxonomy being queried. Optional when field=term_taxonomy_id.
|
|
* @type string|int|array $terms Term or terms to filter by.
|
|
* @type string $field Field to match $terms against. Accepts 'term_id', 'slug',
|
|
* 'name', or 'term_taxonomy_id'. Default: 'term_id'.
|
|
* @type string $operator MySQL operator to be used with $terms in the WHERE clause.
|
|
* Accepts 'AND', 'IN', 'NOT IN', 'EXISTS', 'NOT EXISTS'.
|
|
* Default: 'IN'.
|
|
* @type bool $include_children Optional. Whether to include child terms.
|
|
* Requires a $taxonomy. Default: true.
|
|
* }
|
|
* }
|
|
*/
|
|
public function __construct( $tax_query ) {
|
|
if ( isset( $tax_query['relation'] ) ) {
|
|
$this->relation = $this->sanitize_relation( $tax_query['relation'] );
|
|
} else {
|
|
$this->relation = 'AND';
|
|
}
|
|
|
|
$this->queries = $this->sanitize_query( $tax_query );
|
|
}
|
|
|
|
/**
|
|
* Ensure the 'tax_query' argument passed to the class constructor is well-formed.
|
|
*
|
|
* Ensures that each query-level clause has a 'relation' key, and that
|
|
* each first-order clause contains all the necessary keys from `$defaults`.
|
|
*
|
|
* @since 4.1.0
|
|
* @access public
|
|
*
|
|
* @param array $queries Array of queries clauses.
|
|
* @return array Sanitized array of query clauses.
|
|
*/
|
|
public function sanitize_query( $queries ) {
|
|
$cleaned_query = array();
|
|
|
|
$defaults = array(
|
|
'taxonomy' => '',
|
|
'terms' => array(),
|
|
'field' => 'term_id',
|
|
'operator' => 'IN',
|
|
'include_children' => true,
|
|
);
|
|
|
|
foreach ( $queries as $key => $query ) {
|
|
if ( 'relation' === $key ) {
|
|
$cleaned_query['relation'] = $this->sanitize_relation( $query );
|
|
|
|
// First-order clause.
|
|
} elseif ( self::is_first_order_clause( $query ) ) {
|
|
|
|
$cleaned_clause = array_merge( $defaults, $query );
|
|
$cleaned_clause['terms'] = (array) $cleaned_clause['terms'];
|
|
$cleaned_query[] = $cleaned_clause;
|
|
|
|
/*
|
|
* Keep a copy of the clause in the flate
|
|
* $queried_terms array, for use in WP_Query.
|
|
*/
|
|
if ( ! empty( $cleaned_clause['taxonomy'] ) && 'NOT IN' !== $cleaned_clause['operator'] ) {
|
|
$taxonomy = $cleaned_clause['taxonomy'];
|
|
if ( ! isset( $this->queried_terms[ $taxonomy ] ) ) {
|
|
$this->queried_terms[ $taxonomy ] = array();
|
|
}
|
|
|
|
/*
|
|
* Backward compatibility: Only store the first
|
|
* 'terms' and 'field' found for a given taxonomy.
|
|
*/
|
|
if ( ! empty( $cleaned_clause['terms'] ) && ! isset( $this->queried_terms[ $taxonomy ]['terms'] ) ) {
|
|
$this->queried_terms[ $taxonomy ]['terms'] = $cleaned_clause['terms'];
|
|
}
|
|
|
|
if ( ! empty( $cleaned_clause['field'] ) && ! isset( $this->queried_terms[ $taxonomy ]['field'] ) ) {
|
|
$this->queried_terms[ $taxonomy ]['field'] = $cleaned_clause['field'];
|
|
}
|
|
}
|
|
|
|
// Otherwise, it's a nested query, so we recurse.
|
|
} elseif ( is_array( $query ) ) {
|
|
$cleaned_subquery = $this->sanitize_query( $query );
|
|
|
|
if ( ! empty( $cleaned_subquery ) ) {
|
|
// All queries with children must have a relation.
|
|
if ( ! isset( $cleaned_subquery['relation'] ) ) {
|
|
$cleaned_subquery['relation'] = 'AND';
|
|
}
|
|
|
|
$cleaned_query[] = $cleaned_subquery;
|
|
}
|
|
}
|
|
}
|
|
|
|
return $cleaned_query;
|
|
}
|
|
|
|
/**
|
|
* Sanitize a 'relation' operator.
|
|
*
|
|
* @since 4.1.0
|
|
* @access public
|
|
*
|
|
* @param string $relation Raw relation key from the query argument.
|
|
* @return string Sanitized relation ('AND' or 'OR').
|
|
*/
|
|
public function sanitize_relation( $relation ) {
|
|
if ( 'OR' === strtoupper( $relation ) ) {
|
|
return 'OR';
|
|
} else {
|
|
return 'AND';
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Determine whether a clause is first-order.
|
|
*
|
|
* A "first-order" clause is one that contains any of the first-order
|
|
* clause keys ('terms', 'taxonomy', 'include_children', 'field',
|
|
* 'operator'). An empty clause also counts as a first-order clause,
|
|
* for backward compatibility. Any clause that doesn't meet this is
|
|
* determined, by process of elimination, to be a higher-order query.
|
|
*
|
|
* @since 4.1.0
|
|
*
|
|
* @static
|
|
* @access protected
|
|
*
|
|
* @param array $query Tax query arguments.
|
|
* @return bool Whether the query clause is a first-order clause.
|
|
*/
|
|
protected static function is_first_order_clause( $query ) {
|
|
return is_array( $query ) && ( empty( $query ) || array_key_exists( 'terms', $query ) || array_key_exists( 'taxonomy', $query ) || array_key_exists( 'include_children', $query ) || array_key_exists( 'field', $query ) || array_key_exists( 'operator', $query ) );
|
|
}
|
|
|
|
/**
|
|
* Generates SQL clauses to be appended to a main query.
|
|
*
|
|
* @since 3.1.0
|
|
*
|
|
* @static
|
|
* @access public
|
|
*
|
|
* @param string $primary_table Database table where the object being filtered is stored (eg wp_users).
|
|
* @param string $primary_id_column ID column for the filtered object in $primary_table.
|
|
* @return array {
|
|
* Array containing JOIN and WHERE SQL clauses to append to the main query.
|
|
*
|
|
* @type string $join SQL fragment to append to the main JOIN clause.
|
|
* @type string $where SQL fragment to append to the main WHERE clause.
|
|
* }
|
|
*/
|
|
public function get_sql( $primary_table, $primary_id_column ) {
|
|
$this->primary_table = $primary_table;
|
|
$this->primary_id_column = $primary_id_column;
|
|
|
|
return $this->get_sql_clauses();
|
|
}
|
|
|
|
/**
|
|
* Generate SQL clauses to be appended to a main query.
|
|
*
|
|
* Called by the public WP_Tax_Query::get_sql(), this method
|
|
* is abstracted out to maintain parity with the other Query classes.
|
|
*
|
|
* @since 4.1.0
|
|
* @access protected
|
|
*
|
|
* @return array {
|
|
* Array containing JOIN and WHERE SQL clauses to append to the main query.
|
|
*
|
|
* @type string $join SQL fragment to append to the main JOIN clause.
|
|
* @type string $where SQL fragment to append to the main WHERE clause.
|
|
* }
|
|
*/
|
|
protected function get_sql_clauses() {
|
|
/*
|
|
* $queries are passed by reference to get_sql_for_query() for recursion.
|
|
* To keep $this->queries unaltered, pass a copy.
|
|
*/
|
|
$queries = $this->queries;
|
|
$sql = $this->get_sql_for_query( $queries );
|
|
|
|
if ( ! empty( $sql['where'] ) ) {
|
|
$sql['where'] = ' AND ' . $sql['where'];
|
|
}
|
|
|
|
return $sql;
|
|
}
|
|
|
|
/**
|
|
* Generate SQL clauses for a single query array.
|
|
*
|
|
* If nested subqueries are found, this method recurses the tree to
|
|
* produce the properly nested SQL.
|
|
*
|
|
* @since 4.1.0
|
|
* @access protected
|
|
*
|
|
* @param array $query Query to parse, passed by reference.
|
|
* @param int $depth Optional. Number of tree levels deep we currently are.
|
|
* Used to calculate indentation. Default 0.
|
|
* @return array {
|
|
* Array containing JOIN and WHERE SQL clauses to append to a single query array.
|
|
*
|
|
* @type string $join SQL fragment to append to the main JOIN clause.
|
|
* @type string $where SQL fragment to append to the main WHERE clause.
|
|
* }
|
|
*/
|
|
protected function get_sql_for_query( &$query, $depth = 0 ) {
|
|
$sql_chunks = array(
|
|
'join' => array(),
|
|
'where' => array(),
|
|
);
|
|
|
|
$sql = array(
|
|
'join' => '',
|
|
'where' => '',
|
|
);
|
|
|
|
$indent = '';
|
|
for ( $i = 0; $i < $depth; $i++ ) {
|
|
$indent .= " ";
|
|
}
|
|
|
|
foreach ( $query as $key => &$clause ) {
|
|
if ( 'relation' === $key ) {
|
|
$relation = $query['relation'];
|
|
} elseif ( is_array( $clause ) ) {
|
|
|
|
// This is a first-order clause.
|
|
if ( $this->is_first_order_clause( $clause ) ) {
|
|
$clause_sql = $this->get_sql_for_clause( $clause, $query );
|
|
|
|
$where_count = count( $clause_sql['where'] );
|
|
if ( ! $where_count ) {
|
|
$sql_chunks['where'][] = '';
|
|
} elseif ( 1 === $where_count ) {
|
|
$sql_chunks['where'][] = $clause_sql['where'][0];
|
|
} else {
|
|
$sql_chunks['where'][] = '( ' . implode( ' AND ', $clause_sql['where'] ) . ' )';
|
|
}
|
|
|
|
$sql_chunks['join'] = array_merge( $sql_chunks['join'], $clause_sql['join'] );
|
|
// This is a subquery, so we recurse.
|
|
} else {
|
|
$clause_sql = $this->get_sql_for_query( $clause, $depth + 1 );
|
|
|
|
$sql_chunks['where'][] = $clause_sql['where'];
|
|
$sql_chunks['join'][] = $clause_sql['join'];
|
|
}
|
|
}
|
|
}
|
|
|
|
// Filter to remove empties.
|
|
$sql_chunks['join'] = array_filter( $sql_chunks['join'] );
|
|
$sql_chunks['where'] = array_filter( $sql_chunks['where'] );
|
|
|
|
if ( empty( $relation ) ) {
|
|
$relation = 'AND';
|
|
}
|
|
|
|
// Filter duplicate JOIN clauses and combine into a single string.
|
|
if ( ! empty( $sql_chunks['join'] ) ) {
|
|
$sql['join'] = implode( ' ', array_unique( $sql_chunks['join'] ) );
|
|
}
|
|
|
|
// Generate a single WHERE clause with proper brackets and indentation.
|
|
if ( ! empty( $sql_chunks['where'] ) ) {
|
|
$sql['where'] = '( ' . "\n " . $indent . implode( ' ' . "\n " . $indent . $relation . ' ' . "\n " . $indent, $sql_chunks['where'] ) . "\n" . $indent . ')';
|
|
}
|
|
|
|
return $sql;
|
|
}
|
|
|
|
/**
|
|
* Generate SQL JOIN and WHERE clauses for a "first-order" query clause.
|
|
*
|
|
* @since 4.1.0
|
|
* @access public
|
|
*
|
|
* @global wpdb $wpdb The WordPress database abstraction object.
|
|
*
|
|
* @param array $clause Query clause, passed by reference.
|
|
* @param array $parent_query Parent query array.
|
|
* @return array {
|
|
* Array containing JOIN and WHERE SQL clauses to append to a first-order query.
|
|
*
|
|
* @type string $join SQL fragment to append to the main JOIN clause.
|
|
* @type string $where SQL fragment to append to the main WHERE clause.
|
|
* }
|
|
*/
|
|
public function get_sql_for_clause( &$clause, $parent_query ) {
|
|
global $wpdb;
|
|
|
|
$sql = array(
|
|
'where' => array(),
|
|
'join' => array(),
|
|
);
|
|
|
|
$join = $where = '';
|
|
|
|
$this->clean_query( $clause );
|
|
|
|
if ( is_wp_error( $clause ) ) {
|
|
return self::$no_results;
|
|
}
|
|
|
|
$terms = $clause['terms'];
|
|
$operator = strtoupper( $clause['operator'] );
|
|
|
|
if ( 'IN' == $operator ) {
|
|
|
|
if ( empty( $terms ) ) {
|
|
return self::$no_results;
|
|
}
|
|
|
|
$terms = implode( ',', $terms );
|
|
|
|
/*
|
|
* Before creating another table join, see if this clause has a
|
|
* sibling with an existing join that can be shared.
|
|
*/
|
|
$alias = $this->find_compatible_table_alias( $clause, $parent_query );
|
|
if ( false === $alias ) {
|
|
$i = count( $this->table_aliases );
|
|
$alias = $i ? 'tt' . $i : $wpdb->term_relationships;
|
|
|
|
// Store the alias as part of a flat array to build future iterators.
|
|
$this->table_aliases[] = $alias;
|
|
|
|
// Store the alias with this clause, so later siblings can use it.
|
|
$clause['alias'] = $alias;
|
|
|
|
$join .= " LEFT JOIN $wpdb->term_relationships";
|
|
$join .= $i ? " AS $alias" : '';
|
|
$join .= " ON ($this->primary_table.$this->primary_id_column = $alias.object_id)";
|
|
}
|
|
|
|
|
|
$where = "$alias.term_taxonomy_id $operator ($terms)";
|
|
|
|
} elseif ( 'NOT IN' == $operator ) {
|
|
|
|
if ( empty( $terms ) ) {
|
|
return $sql;
|
|
}
|
|
|
|
$terms = implode( ',', $terms );
|
|
|
|
$where = "$this->primary_table.$this->primary_id_column NOT IN (
|
|
SELECT object_id
|
|
FROM $wpdb->term_relationships
|
|
WHERE term_taxonomy_id IN ($terms)
|
|
)";
|
|
|
|
} elseif ( 'AND' == $operator ) {
|
|
|
|
if ( empty( $terms ) ) {
|
|
return $sql;
|
|
}
|
|
|
|
$num_terms = count( $terms );
|
|
|
|
$terms = implode( ',', $terms );
|
|
|
|
$where = "(
|
|
SELECT COUNT(1)
|
|
FROM $wpdb->term_relationships
|
|
WHERE term_taxonomy_id IN ($terms)
|
|
AND object_id = $this->primary_table.$this->primary_id_column
|
|
) = $num_terms";
|
|
|
|
} elseif ( 'NOT EXISTS' === $operator || 'EXISTS' === $operator ) {
|
|
|
|
$where = $wpdb->prepare( "$operator (
|
|
SELECT 1
|
|
FROM $wpdb->term_relationships
|
|
INNER JOIN $wpdb->term_taxonomy
|
|
ON $wpdb->term_taxonomy.term_taxonomy_id = $wpdb->term_relationships.term_taxonomy_id
|
|
WHERE $wpdb->term_taxonomy.taxonomy = %s
|
|
AND $wpdb->term_relationships.object_id = $this->primary_table.$this->primary_id_column
|
|
)", $clause['taxonomy'] );
|
|
|
|
}
|
|
|
|
$sql['join'][] = $join;
|
|
$sql['where'][] = $where;
|
|
return $sql;
|
|
}
|
|
|
|
/**
|
|
* Identify an existing table alias that is compatible with the current query clause.
|
|
*
|
|
* We avoid unnecessary table joins by allowing each clause to look for
|
|
* an existing table alias that is compatible with the query that it
|
|
* needs to perform.
|
|
*
|
|
* An existing alias is compatible if (a) it is a sibling of `$clause`
|
|
* (ie, it's under the scope of the same relation), and (b) the combination
|
|
* of operator and relation between the clauses allows for a shared table
|
|
* join. In the case of WP_Tax_Query, this only applies to 'IN'
|
|
* clauses that are connected by the relation 'OR'.
|
|
*
|
|
* @since 4.1.0
|
|
* @access protected
|
|
*
|
|
* @param array $clause Query clause.
|
|
* @param array $parent_query Parent query of $clause.
|
|
* @return string|false Table alias if found, otherwise false.
|
|
*/
|
|
protected function find_compatible_table_alias( $clause, $parent_query ) {
|
|
$alias = false;
|
|
|
|
// Sanity check. Only IN queries use the JOIN syntax .
|
|
if ( ! isset( $clause['operator'] ) || 'IN' !== $clause['operator'] ) {
|
|
return $alias;
|
|
}
|
|
|
|
// Since we're only checking IN queries, we're only concerned with OR relations.
|
|
if ( ! isset( $parent_query['relation'] ) || 'OR' !== $parent_query['relation'] ) {
|
|
return $alias;
|
|
}
|
|
|
|
$compatible_operators = array( 'IN' );
|
|
|
|
foreach ( $parent_query as $sibling ) {
|
|
if ( ! is_array( $sibling ) || ! $this->is_first_order_clause( $sibling ) ) {
|
|
continue;
|
|
}
|
|
|
|
if ( empty( $sibling['alias'] ) || empty( $sibling['operator'] ) ) {
|
|
continue;
|
|
}
|
|
|
|
// The sibling must both have compatible operator to share its alias.
|
|
if ( in_array( strtoupper( $sibling['operator'] ), $compatible_operators ) ) {
|
|
$alias = preg_replace( '/\W/', '_', $sibling['alias'] );
|
|
break;
|
|
}
|
|
}
|
|
|
|
return $alias;
|
|
}
|
|
|
|
/**
|
|
* Validates a single query.
|
|
*
|
|
* @since 3.2.0
|
|
* @access private
|
|
*
|
|
* @param array $query The single query. Passed by reference.
|
|
*/
|
|
private function clean_query( &$query ) {
|
|
if ( empty( $query['taxonomy'] ) ) {
|
|
if ( 'term_taxonomy_id' !== $query['field'] ) {
|
|
$query = new WP_Error( 'invalid_taxonomy', __( 'Invalid taxonomy.' ) );
|
|
return;
|
|
}
|
|
|
|
// so long as there are shared terms, include_children requires that a taxonomy is set
|
|
$query['include_children'] = false;
|
|
} elseif ( ! taxonomy_exists( $query['taxonomy'] ) ) {
|
|
$query = new WP_Error( 'invalid_taxonomy', __( 'Invalid taxonomy.' ) );
|
|
return;
|
|
}
|
|
|
|
if ( 'slug' === $query['field'] || 'name' === $query['field'] ) {
|
|
$query['terms'] = array_unique( (array) $query['terms'] );
|
|
} else {
|
|
$query['terms'] = wp_parse_id_list( $query['terms'] );
|
|
}
|
|
|
|
if ( is_taxonomy_hierarchical( $query['taxonomy'] ) && $query['include_children'] ) {
|
|
$this->transform_query( $query, 'term_id' );
|
|
|
|
if ( is_wp_error( $query ) )
|
|
return;
|
|
|
|
$children = array();
|
|
foreach ( $query['terms'] as $term ) {
|
|
$children = array_merge( $children, get_term_children( $term, $query['taxonomy'] ) );
|
|
$children[] = $term;
|
|
}
|
|
$query['terms'] = $children;
|
|
}
|
|
|
|
$this->transform_query( $query, 'term_taxonomy_id' );
|
|
}
|
|
|
|
/**
|
|
* Transforms a single query, from one field to another.
|
|
*
|
|
* @since 3.2.0
|
|
*
|
|
* @global wpdb $wpdb The WordPress database abstraction object.
|
|
*
|
|
* @param array $query The single query. Passed by reference.
|
|
* @param string $resulting_field The resulting field. Accepts 'slug', 'name', 'term_taxonomy_id',
|
|
* or 'term_id'. Default 'term_id'.
|
|
*/
|
|
public function transform_query( &$query, $resulting_field ) {
|
|
global $wpdb;
|
|
|
|
if ( empty( $query['terms'] ) )
|
|
return;
|
|
|
|
if ( $query['field'] == $resulting_field )
|
|
return;
|
|
|
|
$resulting_field = sanitize_key( $resulting_field );
|
|
|
|
switch ( $query['field'] ) {
|
|
case 'slug':
|
|
case 'name':
|
|
foreach ( $query['terms'] as &$term ) {
|
|
/*
|
|
* 0 is the $term_id parameter. We don't have a term ID yet, but it doesn't
|
|
* matter because `sanitize_term_field()` ignores the $term_id param when the
|
|
* context is 'db'.
|
|
*/
|
|
$term = "'" . esc_sql( sanitize_term_field( $query['field'], $term, 0, $query['taxonomy'], 'db' ) ) . "'";
|
|
}
|
|
|
|
$terms = implode( ",", $query['terms'] );
|
|
|
|
$terms = $wpdb->get_col( "
|
|
SELECT $wpdb->term_taxonomy.$resulting_field
|
|
FROM $wpdb->term_taxonomy
|
|
INNER JOIN $wpdb->terms USING (term_id)
|
|
WHERE taxonomy = '{$query['taxonomy']}'
|
|
AND $wpdb->terms.{$query['field']} IN ($terms)
|
|
" );
|
|
break;
|
|
case 'term_taxonomy_id':
|
|
$terms = implode( ',', array_map( 'intval', $query['terms'] ) );
|
|
$terms = $wpdb->get_col( "
|
|
SELECT $resulting_field
|
|
FROM $wpdb->term_taxonomy
|
|
WHERE term_taxonomy_id IN ($terms)
|
|
" );
|
|
break;
|
|
default:
|
|
$terms = implode( ',', array_map( 'intval', $query['terms'] ) );
|
|
$terms = $wpdb->get_col( "
|
|
SELECT $resulting_field
|
|
FROM $wpdb->term_taxonomy
|
|
WHERE taxonomy = '{$query['taxonomy']}'
|
|
AND term_id IN ($terms)
|
|
" );
|
|
}
|
|
|
|
if ( 'AND' == $query['operator'] && count( $terms ) < count( $query['terms'] ) ) {
|
|
$query = new WP_Error( 'inexistent_terms', __( 'Inexistent terms.' ) );
|
|
return;
|
|
}
|
|
|
|
$query['terms'] = $terms;
|
|
$query['field'] = $resulting_field;
|
|
}
|
|
}
|