variant_and

Performs a bitwise AND operation. Note that this is slightly different from a regular AND operation.

The left operand.

The right operand.

Variant AND Rules

If left is	If right is	then the result is
TRUE	TRUE	TRUE
TRUE	FALSE	FALSE
TRUE	NULL	NULL
FALSE	TRUE	FALSE
FALSE	FALSE	FALSE
FALSE	NULL	FALSE
NULL	TRUE	NULL
NULL	FALSE	FALSE
NULL	NULL	NULL

variant_or() -