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

[SCN REFACTOR] replace flash back snapshot and remove read snapshot session

Browse Source
This commit is contained in:
wangt1xiuyi
2022-11-28 01:54:50 +00:00
committed by ob-robot
parent c4c13f6296
commit 11485d6a98
268 changed files with 6763 additions and 7737 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
src/sql/optimizer/ob_optimizer.cpp
View File

@ -247,9 +247,13 @@ int ObOptimizer::get_stmt_max_table_parallel_hint(ObDMLStmt &stmt,
int ret = OB_SUCCESS;
ObSEArray<ObSelectStmt*, 4> child_stmts;
ObQueryCtx *query_ctx = NULL;
max_table_hint = std::max(max_table_hint, stmt.get_stmt_hint().get_max_table_parallel());
if (OB_FAIL(stmt.get_child_stmts(child_stmts))) {
int64_t cur_max_table_hint = ObGlobalHint::UNSET_PARALLEL;
if (OB_FAIL(stmt.get_stmt_hint().get_max_table_parallel(stmt, cur_max_table_hint))) {
LOG_WARN("failed to get max table parallel", K(ret));
} else if (OB_FAIL(stmt.get_child_stmts(child_stmts))) {
LOG_WARN("failed to get child stmts", K(ret));
} else {
max_table_hint = std::max(max_table_hint, cur_max_table_hint);
}
for (int64_t i = 0; OB_SUCC(ret) && i < child_stmts.count(); i++) {
if (OB_ISNULL(child_stmts.at(i))) {