MCOL-5503: Fix broken quarter (mariadb-corporation#2855)

* Fix broken quarter function

Author: mariadb-LeonidFedorov

mysql-test/columnstore/basic/r/mcs236_extract_function.result

@@ -173,7 +173,7 @@ t1_dt	EXTRACT(QUARTER FROM t1_dt)
 NULL	NULL
 1561-12-31 12:34:56	4
 2017-02-01 12:12:12	1
-2020-11-11 12:12:12	3
+2020-11-11 12:12:12	4
 SELECT t1_dt, EXTRACT(YEAR FROM t1_dt) FROM t1 ORDER BY 1;
 t1_dt	EXTRACT(YEAR FROM t1_dt)
 NULL	NULL

utils/funcexp/func_extract.cpp

@@ -75,7 +75,7 @@ long long dateGet(uint64_t time, IntervalColumn::interval_type unit, bool dateTy
 
     case IntervalColumn::INTERVAL_MICROSECOND: return msec;
 
-    case IntervalColumn::INTERVAL_QUARTER: return month / 4 + 1;
+    case IntervalColumn::INTERVAL_QUARTER: return (month - 1) / 3 + 1;
 
     case IntervalColumn::INTERVAL_WEEK: return helpers::calc_mysql_week(year, month, day, 0);