csun5285 commented on code in PR #64205:
URL: https://github.com/apache/doris/pull/64205#discussion_r3410906436
##########
be/src/storage/segment/variant/variant_column_reader.cpp:
##########
@@ -192,9 +192,15 @@ bool
VariantColumnReader::is_exceeded_sparse_column_limit() const {
}
bool VariantColumnReader::_is_exceeded_sparse_column_limit_unlocked() const {
- bool exceeded_sparse_column_limit =
!_statistics->sparse_column_non_null_size.empty() &&
-
_statistics->sparse_column_non_null_size.size() >=
-
_variant_sparse_column_statistics_size;
+ const bool has_sparse_reader =
+ _binary_column_reader != nullptr &&
+ (_binary_column_reader->get_type() ==
BinaryColumnType::SINGLE_SPARSE ||
+ _binary_column_reader->get_type() ==
BinaryColumnType::MULTIPLE_SPARSE);
+ const bool exceeded_sparse_column_limit =
+ (_variant_sparse_column_statistics_size == 0 && has_sparse_reader)
||
Review Comment:
FE 得禁止这个variant_sparse_column_statistics_size设置成 0
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