amorynan commented on code in PR #52797:
URL: https://github.com/apache/doris/pull/52797#discussion_r2188902737
##########
be/src/vec/functions/function_jsonb.cpp:
##########
@@ -1346,19 +1346,30 @@ struct JsonbLengthUtil {
bool is_const = false;
std::tie(path_column, is_const) =
unpack_if_const(block.get_by_position(arguments[1]).column);
+
+ auto null_map = ColumnUInt8::create(input_rows_count, 0);
+ auto return_type = block.get_data_type(result);
+ MutableColumnPtr res = return_type->create_column();
+
JsonbPath path;
if (is_const) {
+ if (path_column->is_null_at(0)) {
+ for (size_t i = 0; i < input_rows_count; ++i) {
+ null_map->get_data()[i] = 1;
+ res->insert_data(nullptr, 0);
+ }
+
+ block.replace_by_position(
+ result, ColumnNullable::create(std::move(res),
std::move(null_map)));
+ return Status::OK();
Review Comment:
before here return what result we could get in this situation ?
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