This inserts or replaces a key in the query table. A @query_value of %NULL indicates that the key has no associated value, but will still be present in the query string.
The key for the query entry.
The value for the key.
Return: %TRUE if the query table was sucessfully updated.
1.6
See Implementation
This inserts or replaces a key in the query table. A @query_value of %NULL indicates that the key has no associated value, but will still be present in the query string.