olivrlee commented on code in PR #3009:
URL: https://github.com/apache/calcite/pull/3009#discussion_r1066431760
##########
core/src/main/codegen/templates/Parser.jj:
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@@ -5050,6 +5050,86 @@ SqlIntervalQualifier TimeUnitOrName() : {
}
}
+ SqlIntervalQualifier TimeUnitOrNameForDateTrunc() : {
+ final TimeUnit timeUnit;
+ final SqlIntervalQualifier weekdayIntervalQualifier;
+ final SqlIdentifier unitName;
+}
+{
+ LOOKAHEAD(1)
+ timeUnit = TimeUnitForDateTrunc() {
+ return new SqlIntervalQualifier(timeUnit, null, getPos());
+ }
+|
+ weekdayIntervalQualifier = WeekWeekdaySqlIntervalQualifier() {
+ return weekdayIntervalQualifier;
+ }
+|
+ unitName = DateTruncIdentifiers() {
Review Comment:
I will change parser to allow custom time frames and have the operands be a
super set of what BigQuery enables
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