For now it consists of only:
using int128_t = __int128;
using uint128_t = unsigned __int128;
All new privitive data types should go into this file in the future.
This commit also adds support in TupleHashJoinStep::forwardCPData,
although we currently do not support wide decimals as join keys.
Row estimation to determine large-side of the join is also updated.
cpimport was doing unsigned comparisons for these, but initializing
max to MIN_BIGINT (0x8000000000000002), which is > than any ascii string,
so it would never get set. Changed the init value to 0 for char
types.
cpimport now has the ability to use libmarias3 to read an object from an
S3 bucket instead of a file on local disk.
This also moves libmarias3 to utils/libmarias3.
