hcq/oceanbase
hcq/oceanbase
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

[CP] fix sysbench newsort degradation

Browse Source
This commit is contained in:
Cai-Yao 2024-10-29 08:14:24 +00:00 committed by ob-robot
parent 9d35197730
commit 31bcadc68c
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
src/sql/optimizer/ob_optimizer_util.cpp
View File

@ -9017,6 +9017,8 @@ int ObOptimizerUtil::check_can_encode_sortkey(const common::ObIArray<OrderItem>
LOG_WARN("failed to estimate width for output join column exprs", K(ret));
} else if (avg_len > 256) {
can_sort_opt = false;
} else if (card < 1000) {
can_sort_opt = false;
} else if (avg_len < 64 && card < 100000) {
can_sort_opt = false;
} else if (avg_len > 64 && avg_len < 128 && card < 1500000 ) {