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Merge pull request #18060 from taosdata/fix/set_offset_for_empty_record 

fix(query): set offset for empty record
This commit is contained in:
Shengliang Guan 2022-11-11 17:30:38 +08:00 committed by GitHub
parent 28c0538b6a 265bb81b49
commit b33d0e05f7
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 14 additions and 8 deletions
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7
include/common/tmsg.h
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@ -418,6 +418,7 @@ static FORCE_INLINE int32_t taosEncodeSSchemaWrapper(void** buf, const SSchemaWr
static FORCE_INLINE void* taosDecodeSSchemaWrapper(const void* buf, SSchemaWrapper* pSW) { static FORCE_INLINE void* taosDecodeSSchemaWrapper(const void* buf, SSchemaWrapper* pSW) {
buf = taosDecodeVariantI32(buf, &pSW->nCols); buf = taosDecodeVariantI32(buf, &pSW->nCols);
buf = taosDecodeVariantI32(buf, &pSW->version); buf = taosDecodeVariantI32(buf, &pSW->version);
if (pSW->nCols > 0) {
pSW->pSchema = (SSchema*)taosMemoryCalloc(pSW->nCols, sizeof(SSchema)); pSW->pSchema = (SSchema*)taosMemoryCalloc(pSW->nCols, sizeof(SSchema));
if (pSW->pSchema == NULL) { if (pSW->pSchema == NULL) {
return NULL; return NULL;
@ -426,6 +427,9 @@ static FORCE_INLINE void* taosDecodeSSchemaWrapper(const void* buf, SSchemaWrapp
for (int32_t i = 0; i < pSW->nCols; i++) { for (int32_t i = 0; i < pSW->nCols; i++) {
buf = taosDecodeSSchema(buf, &pSW->pSchema[i]); buf = taosDecodeSSchema(buf, &pSW->pSchema[i]);
} }
} else {
pSW->pSchema = NULL;
}
return (void*)buf; return (void*)buf;
} }
@ -2990,7 +2994,8 @@ static FORCE_INLINE void* tDecodeSMqSubTopicEp(void* buf, SMqSubTopicEp* pTopicE
} }
static FORCE_INLINE void tDeleteSMqSubTopicEp(SMqSubTopicEp* pSubTopicEp) { static FORCE_INLINE void tDeleteSMqSubTopicEp(SMqSubTopicEp* pSubTopicEp) {
if (pSubTopicEp->schema.nCols) taosMemoryFreeClear(pSubTopicEp->schema.pSchema); taosMemoryFreeClear(pSubTopicEp->schema.pSchema);
pSubTopicEp->schema.nCols = 0;
taosArrayDestroy(pSubTopicEp->vgs); taosArrayDestroy(pSubTopicEp->vgs);
} }

1
source/libs/executor/src/scanoperator.c
View File

@ -1773,6 +1773,7 @@ static SSDataBlock* doQueueScan(SOperatorInfo* pOperator) {
tqOffsetResetToLog(&pTaskInfo->streamInfo.prepareStatus, pTaskInfo->streamInfo.snapshotVer); tqOffsetResetToLog(&pTaskInfo->streamInfo.prepareStatus, pTaskInfo->streamInfo.snapshotVer);
qDebug("queue scan tsdb over, switch to wal ver %" PRId64 "", pTaskInfo->streamInfo.snapshotVer + 1); qDebug("queue scan tsdb over, switch to wal ver %" PRId64 "", pTaskInfo->streamInfo.snapshotVer + 1);
if (tqSeekVer(pInfo->tqReader, pTaskInfo->streamInfo.snapshotVer + 1) < 0) { if (tqSeekVer(pInfo->tqReader, pTaskInfo->streamInfo.snapshotVer + 1) < 0) {
tqOffsetResetToLog(&pTaskInfo->streamInfo.lastStatus, pTaskInfo->streamInfo.snapshotVer);
return NULL; return NULL;
} }
ASSERT(pInfo->tqReader->pWalReader->curVersion == pTaskInfo->streamInfo.snapshotVer + 1); ASSERT(pInfo->tqReader->pWalReader->curVersion == pTaskInfo->streamInfo.snapshotVer + 1);