eldenmoon commented on code in PR #66758:
URL: https://github.com/apache/doris/pull/66758#discussion_r3794249354
##########
be/src/format_v2/parquet/reader/variant_column_reader.cpp:
##########
@@ -1018,6 +1352,39 @@ class ParquetVariantShreddedState final : public
VariantShreddedState {
}
private:
+ std::optional<ColumnPtr> find_unshredded_normalized_value(
Review Comment:
当前实现只优化了“单 path、宽 root”的情况多 path predicate 很容易因为 E × N 次扫描和 leaf 重编码而比原来更慢。
--
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]