FunctionExpression func = node.create(children, context);
if (node.isConstant()) {
ImmutableBytesWritable ptr = context.getTempPtr();
Object value = null;
PDataType type = func.getDataType();
if (func.evaluate(null, ptr)) {
value = type.toObject(ptr);
}
return LiteralExpression.newConstant(value, type);
}
BuiltInFunctionInfo info = node.getInfo();