51 lines
1.7 KiB
C++
51 lines
1.7 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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#pragma once
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#include "exprs/table_function/table_function.h"
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#include "util/bitmap_value.h"
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namespace doris {
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class ExplodeBitmapTableFunction : public TableFunction {
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public:
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ExplodeBitmapTableFunction();
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virtual ~ExplodeBitmapTableFunction();
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virtual Status process(TupleRow* tuple_row) override;
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virtual Status reset() override;
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virtual Status get_value(void** output) override;
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virtual Status forward(bool* eos) override;
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protected:
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void _reset_iterator();
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// Read from tuple row.
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// if _cur_bitmap_owned is true, need to delete it when deconstruction
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const BitmapValue* _cur_bitmap = nullptr;
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bool _cur_bitmap_owned = false;
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// iterator of _cur_bitmap
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BitmapValueIterator* _cur_iter = nullptr;
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// current value read from bitmap, it will be referenced by
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// table function scan node.
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uint64_t _cur_value = 0;
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};
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} // namespace doris
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