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Merge pull request #21837 from taosdata/FIX/TD-24924-3.0 

enh: not allow to split vgroup when streams or topics exist
This commit is contained in:
wade zhang 2023-06-26 14:20:18 +08:00 committed by GitHub
parent 05c7ec6135 e8649670aa
commit 8cea3302d7
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 24 additions and 2 deletions
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2
source/dnode/mnode/impl/inc/mndStream.h
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@ -40,6 +40,8 @@ int32_t mndPersistDropStreamLog(SMnode *pMnode, STrans *pTrans, SStreamObj *pStr
int32_t mndDropStreamByDb(SMnode *pMnode, STrans *pTrans, SDbObj *pDb);
int32_t mndGetNumOfStreams(SMnode *pMnode, char *dbName, int32_t *pNumOfStreams);
#ifdef __cplusplus
}
#endif

2
source/dnode/mnode/impl/src/mndStream.c
View File

@ -1075,7 +1075,7 @@ int32_t mndDropStreamByDb(SMnode *pMnode, STrans *pTrans, SDbObj *pDb) {
return 0;
}
static int32_t mndGetNumOfStreams(SMnode *pMnode, char *dbName, int32_t *pNumOfStreams) {
int32_t mndGetNumOfStreams(SMnode *pMnode, char *dbName, int32_t *pNumOfStreams) {
SSdb *pSdb = pMnode->pSdb;
SDbObj *pDb = mndAcquireDb(pMnode, dbName);
if (pDb == NULL) {

22
source/dnode/mnode/impl/src/mndVgroup.c
View File

@ -20,10 +20,12 @@
#include "mndMnode.h"
#include "mndPrivilege.h"
#include "mndShow.h"
#include "mndStb.h"
#include "mndStream.h"
#include "mndTopic.h"
#include "mndTrans.h"
#include "mndUser.h"
#include "tmisce.h"
#include "mndStb.h"
#define VGROUP_VER_NUMBER 1
#define VGROUP_RESERVE_SIZE 64
@ -2290,6 +2292,24 @@ int32_t mndSplitVgroup(SMnode *pMnode, SRpcMsg *pReq, SDbObj *pDb, SVgObj *pVgro
SDbObj dbObj = {0};
SArray *pArray = mndBuildDnodesArray(pMnode, 0);
int32_t numOfTopics = 0;
if (mndGetNumOfTopics(pMnode, pDb->name, &numOfTopics) != 0) {
goto _OVER;
}
if (numOfTopics > 0) {
terrno = TSDB_CODE_MND_TOPIC_MUST_BE_DELETED;
goto _OVER;
}
int32_t numOfStreams = 0;
if (mndGetNumOfStreams(pMnode, pDb->name, &numOfStreams) != 0) {
goto _OVER;
}
if (numOfStreams > 0) {
terrno = TSDB_CODE_MND_STREAM_MUST_BE_DELETED;
goto _OVER;
}
pTrans = mndTransCreate(pMnode, TRN_POLICY_RETRY, TRN_CONFLICT_DB, pReq, "split-vgroup");
if (pTrans == NULL) goto _OVER;
mndTransSetSerial(pTrans);