[CALCITE-5554] In EXTRACT function, add DAYOFWEEK and DAYOFYEAR as sy…

…nonyms for DOW, DOY

Add operator tests, and re-enable some of the tests disabled
in [CALCITE-2539].

Close apache#3094

babel/src/test/resources/sql/big-query.iq

@@ -371,6 +371,30 @@ SELECT EXTRACT(DAY FROM DATE '2013-12-25') AS the_day;
 
 !ok
 
+SELECT
+  EXTRACT(DAYOFWEEK FROM DATE '2008-12-25') as day_of_week,
+  EXTRACT(DOW FROM DATE '2008-12-25') as dow;
++-------------+-----+
+| day_of_week | dow |
++-------------+-----+
+|           5 |   5 |
++-------------+-----+
+(1 row)
+
+!ok
+
+SELECT
+  EXTRACT(DAYOFYEAR FROM DATE '2008-12-25') as day_of_year,
+  EXTRACT(DOY FROM DATE '2008-12-25') as doy;
++-------------+-----+
+| day_of_year | doy |
++-------------+-----+
+|         360 | 360 |
++-------------+-----+
+(1 row)
+
+!ok
+
 # In the following example, EXTRACT returns values corresponding to
 # different date parts from a column of dates near the end of the
 # year.

core/src/main/codegen/default_config.fmpp

@@ -88,6 +88,8 @@ parser: {
     "DATETIME_DIFF"
     "DATETIME_INTERVAL_CODE"
     "DATETIME_INTERVAL_PRECISION"
+    "DAYOFWEEK"
+    "DAYOFYEAR"
     "DAYS"
     "DECADE"
     "DEFAULTS"

core/src/main/codegen/templates/Parser.jj

@@ -5126,6 +5126,8 @@ SqlIntervalQualifier TimeUnit() : {
 |   <MINUTE> { return new SqlIntervalQualifier(TimeUnit.MINUTE, null, getPos()); }
 |   <HOUR> { return new SqlIntervalQualifier(TimeUnit.HOUR, null, getPos()); }
 |   <DAY> { return new SqlIntervalQualifier(TimeUnit.DAY, null, getPos()); }
+|   <DAYOFWEEK> { return new SqlIntervalQualifier(TimeUnit.DOW, null, getPos()); }
+|   <DAYOFYEAR> { return new SqlIntervalQualifier(TimeUnit.DOY, null, getPos()); }
 |   <DOW> { return new SqlIntervalQualifier(TimeUnit.DOW, null, getPos()); }
 |   <DOY> { return new SqlIntervalQualifier(TimeUnit.DOY, null, getPos()); }
 |   <ISODOW> { return new SqlIntervalQualifier(TimeUnit.ISODOW, null, getPos()); }
@@ -7784,6 +7786,8 @@ SqlPostfixOperator PostfixRowOperator() :
 |   < DATETIME_INTERVAL_PRECISION: "DATETIME_INTERVAL_PRECISION" >
 |   < DATE_DIFF: "DATE_DIFF" >
 |   < DAY: "DAY" >
+|   < DAYOFWEEK: "DAYOFWEEK" >
+|   < DAYOFYEAR: "DAYOFYEAR" >
 |   < DAYS: "DAYS" >
 |   < DEALLOCATE: "DEALLOCATE" >
 |   < DEC: "DEC" >

site/_docs/reference.md

@@ -550,6 +550,8 @@ DATETIME_INTERVAL_PRECISION,
 DATE_DIFF,
 DATE_TRUNC,
 **DAY**,
+DAYOFWEEK,
+DAYOFYEAR,
 DAYS,
 **DEALLOCATE**,
 **DEC**,