BiteTheDDDDt commented on code in PR #13418:
URL: https://github.com/apache/doris/pull/13418#discussion_r996905606
##########
be/src/vec/functions/function_string.h:
##########
@@ -420,6 +420,43 @@ class FunctionNullOrEmpty : public IFunction {
}
};
+class FunctionNotNullOrEmpty : public IFunction {
+public:
+ static constexpr auto name = "not_null_or_empty";
+ static FunctionPtr create() { return
std::make_shared<FunctionNotNullOrEmpty>(); }
+ String get_name() const override { return name; }
+ size_t get_number_of_arguments() const override { return 1; }
+
+ DataTypePtr get_return_type_impl(const DataTypes& arguments) const
override {
+ return std::make_shared<DataTypeUInt8>();
+ }
+
+ bool use_default_implementation_for_nulls() const override { return false;
}
+ bool use_default_implementation_for_constants() const override { return
true; }
+
+ Status execute_impl(FunctionContext* context, Block& block, const
ColumnNumbers& arguments,
+ size_t result, size_t input_rows_count) override {
+ auto res_map = ColumnUInt8::create(input_rows_count, 0);
+
+ auto column = block.get_by_position(arguments[0]).column;
+ if (auto* nullable = check_and_get_column<const
ColumnNullable>(*column)) {
+ column = nullable->get_nested_column_ptr();
+ res_map->get_data();
Review Comment:
We better check nullmap when input column is nullable.
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