zclllyybb commented on code in PR #56798:
URL: https://github.com/apache/doris/pull/56798#discussion_r2425157750
##########
be/src/vec/functions/function_string.h:
##########
@@ -5097,6 +5097,131 @@ class FunctionMakeSet : public IFunction {
}
};
+class FunctionExportSet : public IFunction {
+public:
+ static constexpr auto name = "export_set";
+ static FunctionPtr create() { return
std::make_shared<FunctionExportSet>(); }
+ 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,
+ uint32_t result, size_t input_rows_count) const
override {
+ auto res_col = ColumnString::create();
+
+ const size_t arg_size = arguments.size();
+ bool col_const[5];
+ ColumnPtr arg_cols[5];
+ for (int i = 0; i < arg_size; ++i) {
+ col_const[i] =
is_column_const(*block.get_by_position(arguments[i]).column);
+ }
+ arg_cols[0] = col_const[0] ? static_cast<const ColumnConst&>(
+
*block.get_by_position(arguments[0]).column)
+ .convert_to_full_column()
+ :
block.get_by_position(arguments[0]).column;
+ if (arg_size == 3) {
+ default_preprocess_parameter_columns(arg_cols, col_const, {1, 2},
block, arguments);
+ } else if (arg_size == 4) {
+ default_preprocess_parameter_columns(arg_cols, col_const, {1, 2,
3}, block, arguments);
+ } else if (arg_size == 5) {
+ default_preprocess_parameter_columns(arg_cols, col_const, {1, 2,
3, 4}, block,
+ arguments);
+ }
+
+ const auto* bit_col = assert_cast<const
ColumnInt128*>(arg_cols[0].get());
+ const auto* on_col = assert_cast<const
ColumnString*>(arg_cols[1].get());
+ const auto* off_col = assert_cast<const
ColumnString*>(arg_cols[2].get());
+ const ColumnString* sep_col = nullptr;
+ const ColumnInt32* num_bits_col = nullptr;
+ if (arg_size > 3) {
+ sep_col = assert_cast<const ColumnString*>(arg_cols[3].get());
+ if (arg_size == 5) {
+ num_bits_col = assert_cast<const
ColumnInt32*>(arg_cols[4].get());
+ }
+ }
+
+ for (size_t i = 0; i < input_rows_count; ++i) {
+ uint64_t bit = check_and_get_bit(bit_col->get_element(i));
+ StringRef on = on_col->get_data_at(col_const[1] ? 0 : i);
Review Comment:
wrong use after `default_preprocess_parameter_columns`
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