amorynan commented on code in PR #30840:
URL: https://github.com/apache/doris/pull/30840#discussion_r1495343517


##########
be/src/vec/functions/function_struct_in.h:
##########
@@ -0,0 +1,164 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+// This file is copied from
+
+#pragma once
+
+#include <glog/logging.h>
+#include <stddef.h>
+
+#include <algorithm>
+#include <memory>
+#include <unordered_set>
+#include <utility>
+#include <vector>
+
+#include "common/status.h"
+#include "vec/columns/column.h"
+#include "vec/columns/column_const.h"
+#include "vec/columns/column_nullable.h"
+#include "vec/columns/column_struct.h"
+#include "vec/columns/column_vector.h"
+#include "vec/columns/columns_number.h"
+#include "vec/core/block.h"
+#include "vec/data_types/data_type_factory.hpp"
+#include "vec/data_types/data_type_nullable.h"
+#include "vec/data_types/data_type_number.h"
+#include "vec/functions/function.h"
+
+namespace doris::vectorized {
+struct ColumnRowRef {
+    ColumnPtr column;
+    size_t row_idx;
+
+    // equals when call set insert, this operator will be used
+    bool operator==(const ColumnRowRef& other) const {
+        return column->compare_at(row_idx, other.row_idx, *column, 0) == 0;
+    }
+    // compare
+    bool operator<(const ColumnRowRef& other) const {
+        return column->compare_at(row_idx, other.row_idx, *column, 0) < 0;
+    }
+
+    // when call set find, will use hash to find
+    size_t operator()(const ColumnRowRef& a) const {
+        std::vector<uint32_t> hash_vec(1);
+        auto* __restrict hash_val = hash_vec.data();
+        a.column->update_crc_with_value(a.row_idx, a.row_idx + 1, *hash_val, 
nullptr);
+        return *hash_val;
+    }
+};
+
+template <bool negative>
+class FunctionStructIn : public IFunction {
+public:
+    static constexpr auto name = negative ? "struct_not_in" : "struct_in";
+
+    static FunctionPtr create() { return std::make_shared<FunctionStructIn>(); 
}
+
+    String get_name() const override { return name; }
+
+    bool is_variadic() const override { return true; }
+
+    size_t get_number_of_arguments() const override { return 0; }
+
+    DataTypePtr get_return_type_impl(const DataTypes& args) const override {
+        for (const auto& arg : args) {
+            if (arg->is_nullable()) {
+                return make_nullable(std::make_shared<DataTypeUInt8>());
+            }
+        }
+        return std::make_shared<DataTypeUInt8>();
+    }
+
+    bool use_default_implementation_for_nulls() const override { return false; 
}
+
+    // make data in context into a set
+    Status open(FunctionContext* context, FunctionContext::FunctionStateScope 
scope) override {
+        DCHECK(context->get_num_args() >= 1);
+        auto* col_desc = context->get_arg_type(0);
+        DataTypePtr args_type = 
DataTypeFactory::instance().create_data_type(*col_desc);
+        MutableColumnPtr column_struct_ptr_args = 
remove_nullable(args_type)->create_column();
+        for (int i = 1; i < context->get_num_args(); ++i) {
+            // FE should make element type consistent and
+            // equalize the length of the elements in struct
+            const auto& const_column_ptr = context->get_constant_col(i);
+            if (const_column_ptr == nullptr) {
+                break;
+            }
+            const auto& [col, _] = 
unpack_if_const(const_column_ptr->column_ptr);
+            if (col->is_nullable()) {
+                auto* null_col = 
vectorized::check_and_get_column<vectorized::ColumnNullable>(col);
+                if (!null_in_set && null_col->has_null()) {
+                    null_in_set = true;
+                }
+                
column_struct_ptr_args->insert_from(null_col->get_nested_column(), 0);

Review Comment:
   make sense! here need else 



-- 
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.

To unsubscribe, e-mail: commits-unsubscr...@doris.apache.org

For queries about this service, please contact Infrastructure at:
us...@infra.apache.org


---------------------------------------------------------------------
To unsubscribe, e-mail: commits-unsubscr...@doris.apache.org
For additional commands, e-mail: commits-h...@doris.apache.org

Reply via email to