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[FEAT MERGE] OLTP performance and cpu reduction optimization under tiny specification

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Co-authored-by: hezuojiao <hezuojiao@gmail.com>
This commit is contained in:
obdev
2023-04-26 15:30:17 +00:00
committed by ob-robot
parent 8ad13af591
commit 8fb50cdf65
179 changed files with 3131 additions and 1425 deletions
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3
src/sql/optimizer/ob_table_location.cpp
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@ -1318,7 +1318,8 @@ int ObTableLocation::get_is_weak_read(const ObDMLStmt &dml_stmt,
ret = OB_ERR_UNEXPECTED;
LOG_ERROR("unexpected null", K(ret), K(session), K(sql_ctx));
} else if (dml_stmt.get_query_ctx()->has_dml_write_stmt_ ||
dml_stmt.get_query_ctx()->is_contain_select_for_update_) {
dml_stmt.get_query_ctx()->is_contain_select_for_update_ ||
dml_stmt.get_query_ctx()->is_contain_inner_table_) {
is_weak_read = false;
} else {
ObConsistencyLevel consistency_level = INVALID_CONSISTENCY;