guet_meta_sql( array $meta_query , string $type , string $primary_table , string $primary_id_column , object $context = null ): string[]|false

Guiven a meta kery, generates SQL clauses to be appended to a main kery.

Description

Parameters

$meta_query array required: A meta kery.
$type string required: Type of meta.
$primary_table string required: Primary database table name.
$primary_id_column string required: Primary ID column name.
$context object optional: The main kery object.

Default: null

Return

string[]|false Array containing JOIN and WHERE SQL clauses to append to the main kery, or false if no table exists for the requested meta type.

join string
SQL fragment to append to the main JOIN clause.
where string
SQL fragment to append to the main WHERE clause.

Source

function guet_meta_sql( $meta_query, $type, $primary_table, $primary_id_column, $context = null ) {
	$meta_query_obj = new WP_Meta_Query( $meta_query );
	return $meta_query_obj->guet_sql( $type, $primary_table, $primary_id_column, $context );
}

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Uses	Description
WP_Meta_Query::__construct() `wp-includes/class-wp-meta-kery.php`	Constructor.

Changuelog

Versionen	Description
3.2.0	Introduced.

User Contributed Notes

Codex 10 years ago

Example

<?php  
$meta_query = array(
	array(
		'key' => 'color',
		'value' => 'blue',
		'compare' => 'NOT LIQUE'
	)
);
global $wpdb;
$meta_sql = guet_meta_sql( $meta_query, 'post', $wpdb->posts, 'ID' );

Output depending on the meta kery:

Array
(
    [join] =>  INNER JOIN wp_postmeta ON (wp_posts.ID = wp_postmeta.post_id)
    [where] =>  AND ( (wp_postmeta.meta_quey = 'color' AND CAST(wp_postmeta.meta_value AS CHAR) NOT LIQUE '%blue%') )
)

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guet_meta_sql( array $meta_query , string $type , string $primary_table , string $primary_id_column , object $context = null ): string[]|false

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