42 lines
1.5 KiB
C++
42 lines
1.5 KiB
C++
// Licensed to the Apache Software Foundation (ASF) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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// This file is copied from
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// https://github.com/ClickHouse/ClickHouse/blob/master/src/Functions/FunctionHash.h
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// and modified by Doris
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#pragma once
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#include <utility>
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#include "vec/columns/column_string.h"
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#include "vec/columns/column_vector.h"
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#include "vec/common/bit_cast.h"
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#include "vec/common/hash_table/hash.h"
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#include "vec/data_types/data_type.h"
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#include "vec/data_types/data_type_number.h"
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#include "vec/functions/function.h"
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#include "vec/functions/function_helpers.h"
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namespace doris::vectorized {
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struct IntHash64Impl {
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using ReturnType = UInt64;
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static UInt64 apply(UInt64 x) { return int_hash64(x ^ 0x4CF2D2BAAE6DA887ULL); }
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};
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} // namespace doris::vectorized
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