thomasrebele commented on code in PR #6293:
URL: https://github.com/apache/hive/pull/6293#discussion_r2872808618
##########
ql/src/java/org/apache/hadoop/hive/ql/optimizer/calcite/stats/FilterSelectivityEstimator.java:
##########
@@ -218,6 +218,27 @@ private boolean isRemovableCast(RexNode exp, HiveTableScan
tableScan) {
return false;
}
+ SqlTypeName targetType = cast.getType().getSqlTypeName();
+ SqlTypeName sourceType = op0.getType().getSqlTypeName();
+
+ switch (sourceType) {
+ case TINYINT, SMALLINT, INTEGER, BIGINT:
+ // additional checks are needed
+ break;
+ case FLOAT, DOUBLE, DECIMAL, TIMESTAMP, DATE:
+ return true;
Review Comment:
The cast from these types does not introduce modulo-like behavior. I'll add
a comment.
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: [email protected]
For queries about this service, please contact Infrastructure at:
[email protected]
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
