31 lines
1.1 KiB
C
31 lines
1.1 KiB
C
/*
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* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
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*
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* This program is free software: you can use, redistribute, and/or modify
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* it under the terms of the GNU Affero General Public License, version 3
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* or later ("AGPL"), as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "tsdbRowMergeBuf.h"
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#include "tdataformat.h"
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// row1 has higher priority
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SMemRow tsdbMergeTwoRows(SMergeBuf *pBuf, SMemRow row1, SMemRow row2, STSchema *pSchema1, STSchema *pSchema2) {
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if(row2 == NULL) return row1;
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if(row1 == NULL) return row2;
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ASSERT(pSchema1->version == memRowVersion(row1));
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ASSERT(pSchema2->version == memRowVersion(row2));
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if(tsdbMergeBufMakeSureRoom(pBuf, pSchema1, pSchema2) < 0) {
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return NULL;
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}
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return mergeTwoMemRows(*pBuf, row1, row2, pSchema1, pSchema2);
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}
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