Description
Given a meta query, generates SQL clauses to be appended to a main query
Usage
<?php _get_meta_sql( $meta_query, $meta_type, $primary_table, $primary_id_column, $context ) ?>
Parameters
- $meta_query
- (array) (required) List of metadata queries. A single query is an associative array: - 'key' string The meta key
- Default: None
- $meta_type
- (string) (required)
- Default: None
- $primary_table
- (string) (required)
- Default: None
- $primary_id_column
- (string) (required)
- Default: None
- $context
- (object) (optional) The main query object
- Default: null
Return Values
- (array) : array( 'join' => $join_sql, 'where' => $where_sql )
Examples
Notes
- This is a private function. It should not be called directly. It is listed in the Codex for completeness.
- Uses global: (object) $wpdb
Change Log
Since: 3.1.0
Source File
_get_meta_sql() is located in /wp-includes/meta.php.
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