feat: add the rule to use-das when has variable assignments in sql

Co-authored-by: leslieyuchen <leslieyuchen@gmail.com>
2023-10-23 09:14:02 +00:00
parent a46ee110fb
commit bacc417957
23 changed files with 170 additions and 18 deletions
--- a/src/sql/ob_optimizer_trace_impl.cpp
+++ b/src/sql/ob_optimizer_trace_impl.cpp
@ -795,6 +795,7 @@ int ObOptimizerTraceImpl::trace_parameters()
    TRACE_PARAMETER(_hash_join_enabled, bool);
    TRACE_PARAMETER(_optimizer_sortmerge_join_enabled, bool);
    TRACE_PARAMETER(_nested_loop_join_enabled, bool);
+    TRACE_PARAMETER(_enable_var_assign_use_das, bool);
    //for system variables
    TRACE_SYS_VAR(_PX_SHARED_HASH_JOIN, int64_t);
    TRACE_SYS_VAR(_ENABLE_PARALLEL_DML, int64_t);