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This patch contains the following builtin function changes: New aliases for existing functions: - LEFT() same as STRLEFT() - RIGHT() same as STRRIGHT() - WEEK() same as WEEKOFYEAR() New functions: - QUARTER() - MONTHNAME() Refactors: - Remove TimestampFunctions::DayName and add LongDayName to match pattern of TimestampFunctions::ShortDayName Additionally, it adds the unit of QUARTER to EXTRACT() and DATE_PART() Testing: - manual testing comparing the translated ODBC functions to the non-translated ones - added at least one new expr-test for aliases - new expr-tests added for new functions Change-Id: Ia60af2b4de8c098be7ecb3e60840e459ae10d499 Reviewed-on: http://gerrit.cloudera.org:8080/9376 Reviewed-by: Alex Behm <alex.behm@cloudera.com> Tested-by: Impala Public Jenkins