zclllyybb commented on code in PR #34258:
URL: https://github.com/apache/doris/pull/34258#discussion_r1582202479
##########
be/src/vec/functions/function_string.h:
##########
@@ -356,6 +357,149 @@ class FunctionStrcmp : public IFunction {
}
};
+class FunctionAutoPartitionName : public IFunction {
+public:
+ static constexpr auto name = "auto_partition_name";
+ static FunctionPtr create() { return
std::make_shared<FunctionAutoPartitionName>(); }
+ String get_name() const override { return name; }
+ size_t get_number_of_arguments() const override { return 0; }
+ bool is_variadic() const override { return true; }
+
+ DataTypePtr get_return_type_impl(const DataTypes& arguments) const
override {
+ return std::make_shared<DataTypeString>();
+ }
+
+ Status execute_impl(FunctionContext* context, Block& block, const
ColumnNumbers& arguments,
+ size_t result, size_t input_rows_count) const override
{
+ DCHECK_GE(arguments.size(), 2);
+ auto res = ColumnString::create();
+ auto& res_data = res->get_chars();
+ auto& res_offset = res->get_offsets();
+
+ int argument_size = arguments.size();
+ std::vector<const ColumnString::Chars*> chars_list(argument_size);
+
+ for (int i = 0; i < argument_size; ++i) {
+ const auto& [col, is_const] =
+
unpack_if_const(block.get_by_position(arguments[i]).column);
+
+ const auto* col_str = assert_cast<const ColumnString*>(col.get());
+ chars_list[i] = &col_str->get_chars();
+ }
+
+ auto compare_str = [&](const char* str1, const char* str2, size_t n) {
+ for (int i = 0; i < n; i++) {
+ if (str1[i] != str2[i]) {
+ return 0;
+ }
+ }
+ return 1;
+ };
+
+ if (argument_size == 2) {
+ if (!compare_str(chars_list[0]->raw_data(), "list", 4)) {
+ return Status::Error<ErrorCode::INTERNAL_ERROR>(
Review Comment:
use `INVALID_ARGUMENT` instead
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