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

[FEAT MERGE][CP]optimizer stats enhancement

Browse Source 
Co-authored-by: 2149 <260391947@qq.com>
This commit is contained in:
wangt1xiuyi
2023-12-12 10:17:50 +00:00
committed by ob-robot
parent 688e4b36f5
commit 618ab67eb0
92 changed files with 7450 additions and 3026 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
src/sql/ob_sql_utils.cpp
View File

@ -4683,6 +4683,18 @@ bool ObSQLUtils::is_fk_nested_sql(ObExecContext *cur_ctx)
return bret;
}
//this sql is triggered by online stat gathering
bool ObSQLUtils::is_online_stat_gathering_nested_sql(ObExecContext *cur_ctx)
{
bool bret = false;
if (cur_ctx != nullptr &&
cur_ctx->get_parent_ctx() != nullptr &&
cur_ctx->get_parent_ctx()->is_online_stats_gathering()) {
bret = true;
}
return bret;
}
bool ObSQLUtils::is_iter_uncommitted_row(ObExecContext *cur_ctx)
{
bool bret = false;
@ -4698,7 +4710,7 @@ bool ObSQLUtils::is_iter_uncommitted_row(ObExecContext *cur_ctx)
//then it is not nested sql, nor is it restricted by the constraints of nested sql
bool ObSQLUtils::is_nested_sql(ObExecContext *cur_ctx)
{
return is_pl_nested_sql(cur_ctx) || is_fk_nested_sql(cur_ctx);
return is_pl_nested_sql(cur_ctx) || is_fk_nested_sql(cur_ctx) || is_online_stat_gathering_nested_sql(cur_ctx);
}
bool ObSQLUtils::is_in_autonomous_block(ObExecContext *cur_ctx)