adarshsanjeev commented on code in PR #12386:
URL: https://github.com/apache/druid/pull/12386#discussion_r862865326
##########
sql/src/main/java/org/apache/druid/sql/calcite/parser/DruidSqlParserUtils.java:
##########
@@ -167,4 +189,89 @@ public static Granularity
convertSqlNodeToGranularity(SqlNode sqlNode) throws Pa
TimeFloorOperatorConversion.SQL_FUNCTION_NAME
));
}
+
+ public static List<String> validateQueryAndConvertToIntervals(
+ SqlNode replaceTimeQuery,
+ Granularity granularity,
+ DateTimeZone dateTimeZone
+ ) throws ValidationException
+ {
+ if (replaceTimeQuery instanceof SqlLiteral &&
"all".equalsIgnoreCase(((SqlLiteral) replaceTimeQuery).toValue())) {
+ return ImmutableList.of("all");
+ }
+
+ DimFilter dimFilter = convertQueryToDimFilter(replaceTimeQuery,
dateTimeZone);
+ if
(!ImmutableSet.of(ColumnHolder.TIME_COLUMN_NAME).equals(dimFilter.getRequiredColumns()))
{
+ throw new ValidationException("Only " + ColumnHolder.TIME_COLUMN_NAME +
" column is supported in OVERWRITE WHERE clause");
+ }
+
+ Filtration filtration = Filtration.create(dimFilter);
+ filtration = MoveTimeFiltersToIntervals.instance().apply(filtration);
+ List<Interval> intervals = filtration.getIntervals();
Review Comment:
I didn't fully understand what filter left means.
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