75 lines
1.7 KiB
C
75 lines
1.7 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_IMPL_H_
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#define _TD_META_IMPL_H_
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#include "os.h"
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#include "taosmsg.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef uint64_t tb_uid_t;
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/* ------------------------ SMetaOptions ------------------------ */
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struct SMetaOptions {
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size_t lruCacheSize; // LRU cache size
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};
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/* ------------------------ STbOptions ------------------------ */
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#define META_NORMAL_TABLE ((uint8_t)1)
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#define META_SUPER_TABLE ((uint8_t)2)
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#define META_CHILD_TABLE ((uint8_t)3)
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typedef struct {
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} SSMAOptions;
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// super table options
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typedef struct {
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tb_uid_t uid;
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STSchema* pSchema;
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STSchema* pTagSchema;
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} SSTbOptions;
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// child table options
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typedef struct {
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tb_uid_t suid;
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SKVRow tags;
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} SCTbOptions;
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// normal table options
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typedef struct {
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STSchema* pSchame;
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} SNTbOptions;
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struct STbOptions {
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uint8_t type;
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char* name;
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uint32_t ttl; // time to live in (SECONDS)
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SSMAOptions bsma; // Block-wise sma
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union {
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SSTbOptions stbOptions;
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SNTbOptions ntbOptions;
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SCTbOptions ctbOptions;
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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_IMPL_H_*/ |