feiniaofeiafei
feiniaofeiafei
# Bug Report ## Summary In the file optimizer_task.cpp, the function "void OptimizeExpressionCostWithEnforcedProperty::Execute()". In the 341 line, "cur_group->SetExpressionCost(memo_enforced_expr, cur_total_cost_, output_prop->Copy())", why the third arguement is "output_prop->Copy()" instead of extended_prop_set, I...
test if the regression has something wrong
select sum(a) from t group by grouping sets ((a)); The slot a appearing both in agg func and grouping sets. Report an error: col_int_undef_signed cannot both in select list and...
MergePercentileToArray is to perform a transformation in this case: select ss_item_sk, percentile(ss_quantity,0.9), percentile(ss_quantity,0.6), percentile(ss_quantity,0.3) from store_sales group by ss_item_sk; =》 select ss_item_sk, percentile_array(ss_quantity,[0.3,0.6,0.9]) from store_sales group by ss_item_sk;
cherry-pick #33726 to branch-2.0
cherry-pick #36828 to branch-2.0 The requirement for predicate pushdown through the window operator is that the partition by slots of the window contains all slots in the predicate. The original...