89 lines
1.9 KiB
C
89 lines
1.9 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 "tdbInt.h"
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struct STDb {
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STEnv * pEnv;
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SBTree *pBt;
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};
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int tdbDbOpen(const char *fname, int keyLen, int valLen, FKeyComparator keyCmprFn, STEnv *pEnv, STDb **ppDb) {
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STDb * pDb;
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SPager *pPager;
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int ret;
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char fFullName[TDB_FILENAME_LEN];
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SPage * pPage;
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SPgno pgno;
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*ppDb = NULL;
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pDb = (STDb *)calloc(1, sizeof(*pDb));
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if (pDb == NULL) {
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return -1;
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}
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// pDb->pEnv
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pDb->pEnv = pEnv;
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pPager = tdbEnvGetPager(pEnv, fname);
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if (pPager == NULL) {
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snprintf(fFullName, TDB_FILENAME_LEN, "%s/%s", pEnv->rootDir, fname);
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ret = tdbPagerOpen(pEnv->pCache, fFullName, &pPager);
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if (ret < 0) {
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return -1;
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}
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}
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ASSERT(pPager != NULL);
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// pDb->pBt
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ret = tdbBtreeOpen(pgno, keyLen, valLen, pPager, keyCmprFn, &(pDb->pBt));
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if (ret < 0) {
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return -1;
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}
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*ppDb = pDb;
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return 0;
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}
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int tdbDbClose(STDb *pDb) {
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// TODO
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return 0;
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}
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int tdbDbDrop(STDb *pDb) {
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// TODO
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return 0;
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}
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int tdbDbInsert(STDb *pDb, const void *pKey, int keyLen, const void *pVal, int valLen) {
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SBtCursor btc;
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SBtCursor *pCur;
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int ret;
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pCur = &btc;
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ret = tdbBtreeCursor(pCur, pDb->pBt);
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if (ret < 0) {
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return -1;
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}
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ret = tdbBtCursorInsert(pCur, pKey, keyLen, pVal, valLen);
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if (ret < 0) {
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return -1;
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}
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return 0;
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} |