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enh(query): add reader status.

This commit is contained in:
Haojun Liao 2023-04-27 16:10:36 +08:00
parent 7762e0ea47
commit e822dc2025
1 changed files with 17 additions and 12 deletions
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29
source/dnode/vnode/src/tsdb/tsdbRead.c
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@ -20,6 +20,12 @@
#define ASCENDING_TRAVERSE(o) (o == TSDB_ORDER_ASC)
#define getCurrentKeyInLastBlock(_r) ((_r)->currentKey)
typedef enum {
READER_STATUS_SUSPEND = 0x1,
READER_STATUS_SHOULD_STOP = 0x2,
READER_STATUS_NORMAL = 0x3,
} EReaderExecStatus;
typedef enum {
EXTERNAL_ROWS_PREV = 0x1,
EXTERNAL_ROWS_MAIN = 0x2,
@ -190,7 +196,8 @@ struct STsdbReader {
STsdb* pTsdb;
SVersionRange verRange;
TdThreadMutex readerMutex;
bool suspended;
EReaderExecStatus flag;
// bool suspended;
uint64_t suid;
int16_t order;
EReadMode readMode;
@ -2855,7 +2862,7 @@ static int32_t buildComposedDataBlock(STsdbReader* pReader) {
break;
}
if (pResBlock->info.rows >= pReader->capacity) {
if (pResBlock->info.rows >= pReader->resBlockInfo.capacity) {
break;
}
}
@ -4431,7 +4438,7 @@ int32_t tsdbReaderOpen(SVnode* pVnode, SQueryTableDataCond* pCond, void* pTableL
goto _err;
}
pReader->suspended = true;
pReader->flag = READER_STATUS_SUSPEND;
if (countOnly) {
pReader->readMode = READ_MODE_COUNT_ONLY;
@ -4660,8 +4667,7 @@ int32_t tsdbReaderSuspend(STsdbReader* pReader) {
tsdbUntakeReadSnap(pReader, pReader->pReadSnap, false);
pReader->pReadSnap = NULL;
pReader->suspended = true;
pReader->flag = READER_STATUS_SUSPEND;
tsdbDebug("reader: %p suspended uid %" PRIu64 " in this query %s", pReader, pBlockScanInfo ? pBlockScanInfo->uid : 0,
pReader->idStr);
@ -4678,7 +4684,7 @@ static int32_t tsdbSetQueryReseek(void* pQHandle) {
code = tsdbTryAcquireReader(pReader);
if (code == 0) {
if (pReader->suspended) {
if (pReader->flag == READER_STATUS_SUSPEND) {
tsdbReleaseReader(pReader);
return code;
}
@ -4734,8 +4740,7 @@ int32_t tsdbReaderResume(STsdbReader* pReader) {
}
}
pReader->suspended = false;
pReader->flag = READER_STATUS_NORMAL;
tsdbDebug("reader: %p resumed uid %" PRIu64 ", numOfTable:%" PRId32 ", in this query %s", pReader,
pBlockScanInfo ? (*pBlockScanInfo)->uid : 0, numOfTables, pReader->idStr);
return code;
@ -4823,7 +4828,7 @@ int32_t tsdbNextDataBlock(STsdbReader* pReader, bool* hasNext) {
code = tsdbAcquireReader(pReader);
qTrace("tsdb/read: %p, take read mutex, code: %d", pReader, code);
if (pReader->suspended) {
if (pReader->flag == READER_STATUS_SUSPEND) {
tsdbReaderResume(pReader);
}
@ -5100,7 +5105,7 @@ int32_t tsdbReaderReset(STsdbReader* pReader, SQueryTableDataCond* pCond) {
qTrace("tsdb/reader-reset: %p, take read mutex", pReader);
tsdbAcquireReader(pReader);
if (pReader->suspended) {
if (pReader->flag == READER_STATUS_SUSPEND) {
tsdbReaderResume(pReader);
}
@ -5181,7 +5186,7 @@ int32_t tsdbGetFileBlocksDistInfo(STsdbReader* pReader, STableBlockDistInfo* pTa
// find the start data block in file
tsdbAcquireReader(pReader);
if (pReader->suspended) {
if (pReader->flag == READER_STATUS_SUSPEND) {
tsdbReaderResume(pReader);
}
SReaderStatus* pStatus = &pReader->status;
@ -5254,7 +5259,7 @@ int64_t tsdbGetNumOfRowsInMemTable(STsdbReader* pReader) {
SReaderStatus* pStatus = &pReader->status;
tsdbAcquireReader(pReader);
if (pReader->suspended) {
if (pReader->flag == READER_STATUS_SUSPEND) {
tsdbReaderResume(pReader);
}