liutang123 commented on code in PR #50151:
URL: https://github.com/apache/doris/pull/50151#discussion_r2055448794
##########
be/src/vec/functions/function_jsonb.cpp:
##########
@@ -1758,16 +1834,31 @@ class FunctionJsonSearch : public IFunction {
}
// an error occurs if any path argument is not a valid path
expression.
+ // root_path_str = get_start_string(i);
Review Comment:
remove unused code.
##########
be/src/vec/functions/function_jsonb.cpp:
##########
@@ -1919,38 +1983,232 @@ class FunctionJsonSearch : public IFunction {
};
}
- // search_str
ColumnPtr col_search;
- bool search_is_const = false;
- std::tie(col_search, search_is_const) =
- unpack_if_const(block.get_by_position(arguments[2]).column);
+ *search_is_const = false;
- const ColumnString* col_search_string =
- check_and_get_column<ColumnString>(col_search.get());
- if (auto* nullable =
check_and_get_column<ColumnNullable>(col_search.get())) {
- col_search_string =
-
check_and_get_column<ColumnString>(*nullable->get_nested_column_ptr());
- }
- if (!col_search_string) {
- return Status::RuntimeError("Illegal arg pattern {} should be
ColumnString",
- col_search->get_name());
- }
- if (search_is_const) {
- CheckNullFun search_null_check = always_not_null;
+ RETURN_IF_ERROR(parse_column_args(context, block, arguments, 2,
search_is_const, col_search,
+ col_search_string));
+
+ if (*search_is_const) {
+ search_null_check = always_not_null;
if (col_search->is_null_at(0)) {
search_null_check = always_null;
}
- RETURN_IF_ERROR(execute_vector<true>(
+ } else {
+ search_null_check = [col_search](size_t i) { return
col_search->is_null_at(i); };
+ }
+
+ return Status::OK();
+ }
+};
+
+template <typename Impl>
+class FunctionJsonSearch : public IFunction {
+public:
+ static constexpr auto name = "json_search";
+ static FunctionPtr create() { return
std::make_shared<FunctionJsonSearch<Impl>>(); }
+
+ String get_name() const override { return name; }
+ bool is_variadic() const override { return true; }
+ DataTypes get_variadic_argument_types_impl() const override {
+ return Impl::get_variadic_argument_types();
+ }
+ size_t get_number_of_arguments() const override {
+ return get_variadic_argument_types_impl().size();
+ }
+ DataTypePtr get_return_type_impl(const DataTypes& arguments) const
override {
+ return make_nullable(std::make_shared<DataTypeJsonb>());
+ }
+ bool use_default_implementation_for_nulls() const override { return false;
}
+
+ Status open(FunctionContext* context, FunctionContext::FunctionStateScope
scope) override {
+ if (scope != FunctionContext::THREAD_LOCAL) {
+ return Status::OK();
+ }
+ if (context->is_col_constant(2)) {
+ std::shared_ptr<LikeState> state = std::make_shared<LikeState>();
+ state->is_like_pattern = true;
+ const auto pattern_col = context->get_constant_col(2)->column_ptr;
+ const auto& pattern = pattern_col->get_data_at(0);
+ RETURN_IF_ERROR(
+ FunctionLike::construct_like_const_state(context, pattern,
state, false));
+ context->set_function_state(scope, state);
Review Comment:
The escape char of `state` should be inited here.
##########
be/src/vec/functions/function_jsonb.cpp:
##########
@@ -1758,16 +1834,31 @@ class FunctionJsonSearch : public IFunction {
}
// an error occurs if any path argument is not a valid path
expression.
+ // root_path_str = get_start_string(i);
std::string root_path_str = "$";
+ if (!start_null_check(i)) {
+ root_path_str = get_start_string(i);
+ }
JsonbPath root_path;
- root_path.seek(root_path_str.c_str(), root_path_str.size());
+ if (!root_path.seek(root_path_str.c_str(), root_path_str.size())) {
+ return Status::InvalidArgument(
+ "the start_path argument {} is not a valid json path",
root_path_str);
+ }
std::vector<JsonbPath*> paths;
paths.push_back(&root_path);
if (!search_is_const) {
state_ptr = std::make_shared<LikeState>();
state_ptr->is_like_pattern = true;
const auto& search_str = col_search_string->get_data_at(i);
+
+ // The default is \ if the escape_char argument is missing or
NULL.
Review Comment:
`escape_char` must be a const column, you should check it and optimize the
`get_escape_string` logic.
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