76 lines
2.2 KiB
C
76 lines
2.2 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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#ifndef _TD_META_H_
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#define _TD_META_H_
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#include "mallocator.h"
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#include "os.h"
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#include "tmsg.h"
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#include "trow.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define META_SUPER_TABLE TD_SUPER_TABLE
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#define META_CHILD_TABLE TD_CHILD_TABLE
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#define META_NORMAL_TABLE TD_NORMAL_TABLE
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// Types exported
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typedef struct SMeta SMeta;
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typedef struct SMetaCfg {
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/// LRU cache size
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uint64_t lruSize;
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} SMetaCfg;
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typedef struct SMTbCursor SMTbCursor;
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typedef struct SMCtbCursor SMCtbCursor;
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typedef SVCreateTbReq STbCfg;
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// SMeta operations
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SMeta *metaOpen(const char *path, const SMetaCfg *pMetaCfg, SMemAllocatorFactory *pMAF);
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void metaClose(SMeta *pMeta);
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void metaRemove(const char *path);
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int metaCreateTable(SMeta *pMeta, STbCfg *pTbCfg);
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int metaDropTable(SMeta *pMeta, tb_uid_t uid);
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int metaCommit(SMeta *pMeta);
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// For Query
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STbCfg * metaGetTbInfoByUid(SMeta *pMeta, tb_uid_t uid);
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STbCfg * metaGetTbInfoByName(SMeta *pMeta, char *tbname, tb_uid_t *uid);
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SSchemaWrapper *metaGetTableSchema(SMeta *pMeta, tb_uid_t uid, int32_t sver, bool isinline);
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STSchema * metaGetTbTSchema(SMeta *pMeta, tb_uid_t uid, int32_t sver);
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SMTbCursor *metaOpenTbCursor(SMeta *pMeta);
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void metaCloseTbCursor(SMTbCursor *pTbCur);
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char * metaTbCursorNext(SMTbCursor *pTbCur);
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SMCtbCursor *metaOpenCtbCursor(SMeta *pMeta, tb_uid_t uid);
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void metaCloseCtbCurosr(SMCtbCursor *pCtbCur);
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tb_uid_t metaCtbCursorNext(SMCtbCursor *pCtbCur);
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// Options
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void metaOptionsInit(SMetaCfg *pMetaCfg);
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void metaOptionsClear(SMetaCfg *pMetaCfg);
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#ifdef __cplusplus
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}
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#endif
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#endif /*_TD_META_H_*/
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