WP_Meta_Query::get_sql_clauses(): string[]

Generate SQL clauses to be appended to a main query.


Description

Called by the public WP_Meta_Query::get_sql(), this method is abstracted out to maintain parity with the other Query classes.


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Return

string[] Array containing JOIN and WHERE SQL clauses to append to the main query.

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


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Source

File: wp-includes/class-wp-meta-query.php. View all references

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;
}


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Changelog

Changelog
Version Description
4.1.0 Introduced.

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