yangzhg commented on a change in pull request #6504:
URL: https://github.com/apache/incubator-doris/pull/6504#discussion_r699981146
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File path: be/src/exprs/json_functions.cpp
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@@ -108,6 +109,96 @@ DoubleVal JsonFunctions::get_json_double(FunctionContext*
context, const StringV
}
}
+StringVal JsonFunctions::json_array(FunctionContext* context, int num_args,
+ const StringVal* json_str) {
+ if (json_str->is_null) {
+ return StringVal::null();
+ }
+ rapidjson::Value array_obj(rapidjson::kArrayType);
+ rapidjson::Document document;
+ rapidjson::Document::AllocatorType& allocator = document.GetAllocator();
+ //flag: The number it contains represents the type of previous parameters
+ StringVal flag(json_str[num_args - 1].ptr, json_str[num_args - 1].len);
+ DCHECK_EQ(num_args - 1, flag.len);
+ for (int i = 0; i < num_args - 1; ++i) {
+ StringVal arg(json_str[i].ptr, json_str[i].len);
+ rapidjson::Value val = parse_str_with_flag(arg, flag, i, allocator);
Review comment:
```suggestion
rapidjson::Value val = parse_str_with_flag(arg, *flag, i, allocator);
```
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