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tsdb/reader: reset reader status with lock protected

This commit is contained in:
Minglei Jin 2023-01-10 14:43:51 +08:00
parent 141f294a3a
commit 086ec24688
1 changed files with 6 additions and 3 deletions
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9
source/dnode/vnode/src/tsdb/tsdbRead.c
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@ -4434,15 +4434,13 @@ SSDataBlock* tsdbRetrieveDataBlock(STsdbReader* pReader, SArray* pIdList) {
int32_t tsdbReaderReset(STsdbReader* pReader, SQueryTableDataCond* pCond) {
SReaderStatus* pStatus = &pReader->status;
qTrace("tsdb/read: %p, take read mutex", pReader);
qTrace("tsdb/reader-reset: %p, take read mutex", pReader);
taosThreadMutexLock(&pReader->readerMutex);
if (pReader->suspended) {
tsdbReaderResume(pReader);
}
taosThreadMutexUnlock(&pReader->readerMutex);
if (isEmptyQueryTimeWindow(&pReader->window) || pReader->pReadSnap == NULL) {
tsdbDebug("tsdb reader reset return %p", pReader->pReadSnap);
return TSDB_CODE_SUCCESS;
@ -4480,6 +4478,9 @@ int32_t tsdbReaderReset(STsdbReader* pReader, SQueryTableDataCond* pCond) {
if (code != TSDB_CODE_SUCCESS) {
tsdbError("%p reset reader failed, numOfTables:%d, query range:%" PRId64 " - %" PRId64 " in query %s", pReader,
numOfTables, pReader->window.skey, pReader->window.ekey, pReader->idStr);
taosThreadMutexUnlock(&pReader->readerMutex);
return code;
}
}
@ -4489,6 +4490,8 @@ int32_t tsdbReaderReset(STsdbReader* pReader, SQueryTableDataCond* pCond) {
pReader, pReader->suid, numOfTables, pCond->twindows.skey, pReader->window.skey, pReader->window.ekey,
pReader->idStr);
taosThreadMutexUnlock(&pReader->readerMutex);
return code;
}