68 lines
1.8 KiB
C
68 lines
1.8 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_DEF_H_
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#define _TD_META_DEF_H_
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#include "metaUid.h"
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#include "tkv.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct SMeta {
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STableUidGenerator uidGenerator;
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STkvDb* tableDb; // uid->table obj
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STkvDb* tbnameDb; // tbname --> uid
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STkvDb* schemaDb; // uid+version --> schema
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STkvDb* tagDb; // uid --> tag
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STkvDb* tagIdx; // TODO: need to integrate lucene or our own
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// STkvCache* metaCache; // TODO: add a global cache here
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};
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/* ------------------------ TEST CODE ------------------------ */
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typedef enum { META_SUPER_TABLE = 0, META_CHILD_TABLE = 1, META_NORMAL_TABLE = 2 } EMetaTableT;
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typedef struct SSuperTableOpts {
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tb_uid_t uid;
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STSchema* pSchema; // (ts timestamp, a int)
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STSchema* pTagSchema; // (tag1 binary(10), tag2 int)
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} SSuperTableOpts;
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typedef struct SChildTableOpts {
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tb_uid_t suid; // super table uid
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SKVRow tags; // tag value of the child table
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} SChildTableOpts;
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typedef struct SNormalTableOpts {
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STSchema* pSchema;
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} SNormalTableOpts;
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struct STableOpts {
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EMetaTableT type;
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char* name;
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union {
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SSuperTableOpts superOpts;
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SChildTableOpts childOpts;
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SNormalTableOpts normalOpts;
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};
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};
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#ifdef __cplusplus
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}
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#endif
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#endif /*_TD_META_DEF_H_*/ |