drill

d088f471 - Drill 7955: Extend XOR bitwise functions to match AND and OR (#2264)

Drill 7955: Extend XOR bitwise functions to match AND and OR (#2264) * DRILL-7955: Add BIT_XOR aggregate function for bitwise XOR. * DRILL-7955: Support all integer types for the scalar XOR (^) function. * DRILL-7955: Add tests for BIT_XOR aggregate function. * DRILL-7955: Replace tabs with spaces.