Detailed change list:
- Splitting out the narrow part of "class Decimal" into a separate class TDecimal64
- Adding a method TDecimal64::toSInt64Round()
- Reusing the method TDecimal64::toSInt64Round() in:
* Func_cast_signed::getIntVal()
* Func_char::getStrVal()
* Func_elt::getStrVal()
* makedate()
* Func_maketime::getStrVal()
Note, reusing this method in Func_char::getStrVal() also fixed this bug:
MCOL-4634 CHAR(negativeWideDecimal) is not like InnoDB
because the old code handled negative wide decimal values
in a wrong way.
- Adding a new class TDecimal128 for symmetry.
Moving a few wide decimal methods and constexpr's from Decimal to TDecimal128.
The new class TDecimal128 does not do much at this point yet.
Later we should be able to use TDecimal128 vs TDecimal64 in templates.
MCOL-4409 This patch combines VDecimal and Decimal and makes
IDB_Decimal an alias for the result class
MCOL-4409 More boilerplate reduction in Func_mod
Removed couple TSInt128::toType() methods
For the initial BLOB/TEXT pull request we put them in the same bucket as
VARBINARY, forcing many functions to be disabled. This patch enables the
same TEXT function support as VARCHAR.
* The year() function did not handle float/double input correctly
* Makedate() did not handle year < 100 conversion
* 0 date was converted to NULL for some functions
In addition makedate did
