xiaokang commented on code in PR #24801:
URL: https://github.com/apache/doris/pull/24801#discussion_r1566590452
##########
be/src/vec/functions/function_jsonb.cpp:
##########
@@ -1287,6 +1287,57 @@ struct JsonbContainsAndPathImpl {
}
};
+class FunctionJsonbDepth : public IFunction {
+public:
+ static constexpr auto name = "json_depth";
+ String get_name() const override { return name; }
+ static FunctionPtr create() { return
std::make_shared<FunctionJsonbDepth>(); }
+
+ DataTypePtr get_return_type_impl(const DataTypes& arguments) const
override {
+ return make_nullable(std::make_shared<DataTypeInt32>());
+ }
+
+ size_t get_number_of_arguments() const override { return 1; }
+
+ bool use_default_implementation_for_nulls() const override { return false;
}
+
+ Status execute_impl(FunctionContext* context, Block& block, const
ColumnNumbers& arguments,
+ size_t result, size_t input_rows_count) const override
{
+ DCHECK_GE(arguments.size(), 1);
+ auto jsonb_data_column = block.get_by_position(arguments[0]).column;
+
+ auto null_map = ColumnUInt8::create(input_rows_count, 0);
+ auto return_type = block.get_data_type(result);
+ auto col_result = ColumnVector<Int32>::create();
+ col_result->resize(input_rows_count);
+ auto& res_data = col_result->get_data();
+
+ for (size_t i = 0; i < input_rows_count; ++i) {
+ if (jsonb_data_column->is_null_at(i)) {
+ null_map->get_data()[i] = 1;
+ res_data[i] = 0;
+ continue;
+ }
+
+ auto jsonb_value = jsonb_data_column->get_data_at(i);
+ // doc is NOT necessary to be deleted since JsonbDocument will not
allocate memory
+ JsonbDocument* doc =
JsonbDocument::createDocument(jsonb_value.data, jsonb_value.size);
+ JsonbValue* value = doc->getValue();
+ if (UNLIKELY(jsonb_value.size == 0 || !value)) {
+ null_map->get_data()[i] = 1;
+ res_data[i] = 0;
+ continue;
+ }
+ auto depth = value->base_depth();
Review Comment:
unnessary variable depth
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