And Refactor ColumnRangeValue and OlapScanNode
This patch mainly do the following:
- Fix issue #5071
- Change type_min in ColumnRangeValue as static
- Add Class of type_limit make code clear
- Refactor the function of normalize_in_and_eq_predicate
Remove unused LLVM related codes of directory (step 5):be/src/codegen (#2910)
there are many LLVM related codes in code base, but these codes are not really used.
The higher version of GCC is not compatible with the LLVM 3.4.2 version currently used by Doris.
The PR delete all LLVM related code of directory: be/src/codegen