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batch cherry-pick 31x bugfix to opensource branch

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This commit is contained in:
raywill
2021-07-27 17:27:15 +08:00
committed by wangzelin.wzl
parent 2969037a8b
commit 9c76339e62
27 changed files with 174 additions and 49 deletions
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24
src/sql/optimizer/ob_optimizer.cpp
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@ -307,20 +307,16 @@ int ObOptimizer::check_pdml_supported_feature(const ObDMLStmt& stmt, const ObSQL
LOG_TRACE("dml has constraint, old engine, disable pdml", K(ret));
is_use_pdml = false;
} else {
// check global unique index, update(row movement)
int global_index_cnt = pdml_stmt.get_all_table_columns().at(0).index_dml_infos_.count();
for (int idx = 0; idx < global_index_cnt && OB_SUCC(ret) && is_use_pdml; idx++) {
const ObIArray<ObColumnRefRawExpr*>& column_exprs =
pdml_stmt.get_all_table_columns().at(0).index_dml_infos_.at(idx).column_exprs_;
bool has_unique_index = false;
LOG_TRACE("check pdml unique index", K(column_exprs));
if (OB_FAIL(check_unique_index(column_exprs, has_unique_index))) {
LOG_WARN("failed to check has unique index", K(ret));
} else if (has_unique_index) {
LOG_TRACE("dml has unique index, disable pdml", K(ret));
is_use_pdml = false;
break;
}
// check enabling parallel with local unique index
// 1. disable parallel insert. because parallel unique check not supported
// 2. disable parallel update. only if the unqiue column is updated.
// for now, we blinedly disable PDML if table has unique local index
uint64_t main_table_tid = pdml_stmt.get_all_table_columns().at(0).index_dml_infos_.at(0).index_tid_;
bool with_unique_local_idx = false;
if (OB_FAIL(schema_guard->check_has_local_unique_index(main_table_tid, with_unique_local_idx))) {
LOG_WARN("fail check if table with local unqiue index", K(main_table_tid), K(ret));
} else if (with_unique_local_idx) {
is_use_pdml = false;
}
}
LOG_TRACE("check use all pdml feature", K(ret), K(is_use_pdml));