normanj-bitquill commented on code in PR #3794:
URL: https://github.com/apache/calcite/pull/3794#discussion_r1626468768
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core/src/main/java/org/apache/calcite/sql/SqlIntervalQualifier.java:
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@@ -445,6 +446,53 @@ public int getIntervalSign(String value) {
return sign;
}
+ public static TimeUnit stringToDatePartTimeUnit(String stringValue) {
+ final String timeUnitString = stringValue.toUpperCase(Locale.ROOT);
+
+ switch (timeUnitString) {
+ case "MICROSECOND":
+ return TimeUnit.MICROSECOND;
+ case "MILLISECOND":
+ return TimeUnit.MILLISECOND;
+ case "SECOND":
+ return TimeUnit.SECOND;
+ case "MINUTE":
+ return TimeUnit.MINUTE;
+ case "HOUR":
+ return TimeUnit.HOUR;
+ case "DAY":
+ return TimeUnit.DAY;
+ case "DAYOFWEEK":
+ case "DOW":
+ return TimeUnit.DOW;
+ case "DAYOFYEAR":
+ case "DOY":
+ return TimeUnit.DOY;
+ case "ISODOW":
+ return TimeUnit.ISODOW;
+ case "ISODOY":
+ return TimeUnit.ISOYEAR;
+ case "WEEK":
+ return TimeUnit.WEEK;
+ case "MONTH":
+ return TimeUnit.MONTH;
+ case "QUARTER":
+ return TimeUnit.QUARTER;
+ case "YEAR":
+ return TimeUnit.YEAR;
+ case "EPOCH":
+ return TimeUnit.EPOCH;
+ case "DECADE":
+ return TimeUnit.DECADE;
+ case "CENTURY":
+ return TimeUnit.CENTURY;
+ case "MILLENNIUM":
+ return TimeUnit.MILLENNIUM;
+ default:
+ throw new IllegalArgumentException();
Review Comment:
I have added a message to the exception.
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