tcq.h 1.6 KB
Newer Older
J
jtao1735 已提交
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
/*
 * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
 *
 * This program is free software: you can use, redistribute, and/or modify
 * it under the terms of the GNU Affero General Public License, version 3
 * or later ("AGPL"), as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
#ifndef _TD_CQ_H_
#define _TD_CQ_H_

#ifdef __cplusplus
extern "C" {
#endif

H
TD-354  
Hongze Cheng 已提交
22
#include "tdataformat.h"
J
jtao1735 已提交
23

S
TD-2283  
Shengliang Guan 已提交
24
typedef int32_t (*FCqWrite)(int32_t vgId, void *pHead, int32_t qtype, void *pMsg);
J
jtao1735 已提交
25 26

typedef struct {
S
format  
Shengliang Guan 已提交
27
  int32_t  vgId;
J
jtao1735 已提交
28
  char     user[TSDB_USER_LEN];
29
  char     pass[TSDB_KEY_LEN];
B
Bomin Zhang 已提交
30
  char     db[TSDB_DB_NAME_LEN];
J
jtao1735 已提交
31 32 33
  FCqWrite cqWrite;
} SCqCfg;

J
jtao1735 已提交
34
// the following API shall be called by vnode
J
jtao1735 已提交
35 36
void *cqOpen(void *ahandle, const SCqCfg *pCfg);
void  cqClose(void *handle);
J
jtao1735 已提交
37 38

// if vnode is master, vnode call this API to start CQ
J
jtao1735 已提交
39
void  cqStart(void *handle);
J
jtao1735 已提交
40 41

// if vnode is slave/unsynced, vnode shall call this API to stop CQ
J
jtao1735 已提交
42
void  cqStop(void *handle);
J
jtao1735 已提交
43 44

// cqCreate is called by TSDB to start an instance of CQ 
45
void *cqCreate(void *handle, uint64_t uid, int32_t sid, const char* dstTable, char *sqlStr, STSchema *pSchema);
J
jtao1735 已提交
46 47 48

// cqDrop is called by TSDB to stop an instance of CQ, handle is the return value of cqCreate
void  cqDrop(void *handle);
J
jtao1735 已提交
49

S
Shengliang Guan 已提交
50
extern int32_t cqDebugFlag;
J
jtao1735 已提交
51 52 53 54 55 56 57


#ifdef __cplusplus
}
#endif

#endif  // _TD_CQ_H_