morningman commented on a change in pull request #7157:
URL: https://github.com/apache/incubator-doris/pull/7157#discussion_r755154962
##########
File path: be/src/exprs/json_functions.cpp
##########
@@ -412,41 +419,47 @@ rapidjson::Value*
JsonFunctions::get_json_object_from_parsed_json(
return root;
}
-void JsonFunctions::json_path_prepare(doris_udf::FunctionContext* context,
+void JsonFunctions::json_function_prepare(doris_udf::FunctionContext* context,
doris_udf::FunctionContext::FunctionStateScope scope) {
if (scope != FunctionContext::FRAGMENT_LOCAL) {
return;
}
- if (!context->is_arg_constant(1)) {
+ if (!context->is_arg_constant(0) && !context->is_arg_constant(1)) {
return;
}
+ StringVal* json_str =
reinterpret_cast<StringVal*>(context->get_constant_arg(0));
Review comment:
The first argument may NOT be constant, so `get_constant_arg` may return
nullptr.
##########
File path: gensrc/script/doris_builtins_functions.py
##########
@@ -1096,33 +1096,33 @@
# Json functions
[['get_json_int'], 'INT', ['VARCHAR', 'VARCHAR'],
'_ZN5doris13JsonFunctions12get_json_intEPN9doris_udf15FunctionContextERKNS1_9StringValES6_',
-
'_ZN5doris13JsonFunctions17json_path_prepareEPN9doris_udf15FunctionContextENS2_18FunctionStateScopeE',
-
'_ZN5doris13JsonFunctions15json_path_closeEPN9doris_udf15FunctionContextENS2_18FunctionStateScopeE',
+
'_ZN5doris13JsonFunctions21json_function_prepareEPN9doris_udf15FunctionContextENS2_18FunctionStateScopeE',
Review comment:
Modify signature may because FE-BE incompatible when upgrading. So
better not changing it.
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