get_tax_sql( array $tax_query, string $primary_table, string $primary_id_column ): string[]

Given a taxonomy query, generates SQL to be appended to a main query.

Contents

Description

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See also

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Parameters

$tax_query array Required
A compact tax query
$primary_table string Required
$primary_id_column string Required

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Return

string[]

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Source

File: wp-includes/taxonomy.php. View all references 

function get_tax_sql( $tax_query, $primary_table, $primary_id_column ) {
	$tax_query_obj = new WP_Tax_Query( $tax_query );
	return $tax_query_obj->get_sql( $primary_table, $primary_id_column );
}

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Changelog

Changelog
Version Description
3.1.0 Introduced.

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User Contributed Notes

  1. Skip to note 1 content
    You must log in to vote on the helpfulness of this noteVote results for this note: 0You must log in to vote on the helpfulness of this note
    Contributed by Codex —

    Get SQL query part for taxonomy

    $tax_query = array(
    array(
        'taxonomy' => 'category',
        'field'    => 'slug',
        'terms'    => array( 'cat-a', 'cat-b' ),
    )
);

global $wpdb;
$tax_sql = get_tax_sql( $tax_query, $wpdb->posts, 'ID' );

    Output would be something like:

    Array
(
    [join] =>  INNER JOIN wp_term_relationships ON (wp_posts.ID = wp_term_relationships.object_id)
    [where] =>  AND ( wp_term_relationships.term_taxonomy_id IN (3,4,10,19,25,95) )
)

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