[improve](function) get result from constant_col when expr is const (#29403)

2024-01-05 11:26:17 +08:00
parent baec2657dd
commit 46ccbebfb0
5 changed files with 23 additions and 0 deletions
--- a/be/src/vec/exprs/vcase_expr.cpp
+++ b/be/src/vec/exprs/vcase_expr.cpp
@ -95,6 +95,9 @@ void VCaseExpr::close(VExprContext* context, FunctionContext::FunctionStateScope
 }

 Status VCaseExpr::execute(VExprContext* context, Block* block, int* result_column_id) {
+    if (is_const_and_have_executed()) { // const have execute in open function
+        return get_result_from_const(block, _expr_name, result_column_id);
+    }
    ColumnNumbers arguments(_children.size());
    for (int i = 0; i < _children.size(); i++) {
        int column_id = -1;