isAcceptableOrUnknown method
A more general version of isAcceptableValue that supports any sql expression.
The default implementation will not perform any check if value
is not
a Variable.
Implementation
VerificationResult isAcceptableOrUnknown(
Expression value, VerificationMeta meta) {
if (value is Variable) {
return isAcceptableValue(value.value as T, meta);
} else {
return const VerificationResult.success();
}
}