Generates SQL clauses to be appended to a main query.

Parameters

$primary_tablestringrequired

Database table where the object being filtered is stored (eg wp_users).

$primary_id_columnstringrequired

ID column for the filtered object in $primary_table.

Return

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

Source

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();
}

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