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tsdb/cache: reseek with busy always

This commit is contained in:
Minglei Jin 2023-01-10 10:11:17 +08:00
parent f848324d54
commit 3178843b72
1 changed files with 13 additions and 5 deletions
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18
source/dnode/vnode/src/tsdb/tsdbCacheRead.c
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@ -208,13 +208,21 @@ static int32_t tsdbCacheQueryReseek(void* pQHandle) {
int32_t code = 0;
SCacheRowsReader* pReader = pQHandle;
taosThreadMutexLock(&pReader->readerMutex);
code = taosThreadMutexTryLock(&pReader->readerMutex);
if (code == 0) {
// pause current reader's state if not paused, save ts & version for resuming
// just wait for the big all tables' snapshot untaking for now
// pause current reader's state if not paused, save ts & version for resuming
// just wait for the big all tables' snapshot untaking for now
code = TSDB_CODE_VND_QUERY_BUSY;
taosThreadMutexUnlock(&pReader->readerMutex);
return code;
taosThreadMutexUnlock(&pReader->readerMutex);
return code;
} else if (code == EBUSY) {
return TSDB_CODE_VND_QUERY_BUSY;
} else {
return -1;
}
}
int32_t tsdbRetrieveCacheRows(void* pReader, SSDataBlock* pResBlock, const int32_t* slotIds, SArray* pTableUidList) {