MCOL-1433 Fix several functions for TIME handling

This fixes hex() so that it outputs the hex of the ASCII for the time
data to make it aligned with MariaDB. It also fixes the following
functions so that they use NOW() as a DATETIME with the input TIME added
to it:

* weekday()
* yearweek()
* monthname()
* last_day()
* year()
* weekofyear()
* week()
* to_days()
* quarter()
* month()
* dayofyear()
* dayofweek()
* dayofmonth()
* day()
* date()

utils/funcexp/func_hex.cpp

@@ -78,6 +78,7 @@ string Func_hex::getStrVal(rowgroup::Row& row,
         case CalpontSystemCatalog::VARCHAR:
         case CalpontSystemCatalog::DATETIME:
         case CalpontSystemCatalog::DATE:
+        case CalpontSystemCatalog::TIME:
         {
             const string& arg = parm[0]->data()->getStrVal(row, isNull);
             scoped_array<char> hexPtr(new char[strlen(arg.c_str()) * 2 + 1]);