zclllyybb commented on code in PR #33272:
URL: https://github.com/apache/doris/pull/33272#discussion_r1554812408
##########
be/src/vec/functions/function_string.h:
##########
@@ -294,6 +294,46 @@ struct SubstringUtil {
}
};
+class FunctionStrcmp : public IFunction {
+public:
+ static constexpr auto name = "strcmp";
+
+ static FunctionPtr create() { return std::make_shared<FunctionStrcmp>(); }
+
+ String get_name() const override { return name; }
+
+ size_t get_number_of_arguments() const override { return 2; }
+
+ DataTypePtr get_return_type_impl(const DataTypes& arguments) const
override {
+ if (arguments[0]->is_nullable() || arguments[1]->is_nullable()) {
+ return make_nullable(std::make_shared<DataTypeInt16>());
+ }
+ return std::make_shared<DataTypeInt16>();
+ }
+
+ Status execute_impl(FunctionContext* context, Block& block, const
ColumnNumbers& arguments,
+ size_t result, size_t input_rows_count) const override
{
+ const auto& [arg0_column, arg0_const] =
+ unpack_if_const(block.get_by_position(arguments[0]).column);
+ const auto& [arg1_column, arg1_const] =
+ unpack_if_const(block.get_by_position(arguments[1]).column);
+
+ auto result_column = ColumnInt16::create(input_rows_count);
+ auto& result_data = result_column->get_data();
+
+ for (int row = 0; row < input_rows_count; row++) {
+ auto arg0 = arg0_column->get_data_at(row);
Review Comment:
implement `vector_vector` and `vector_const`
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