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enh: meta pause/resume for sys table scan

This commit is contained in:
kailixu 2024-03-21 10:52:00 +08:00
parent a9ba534f48
commit e18f056c9f
1 changed files with 8 additions and 0 deletions
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8
source/libs/executor/src/sysscanoperator.c
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@ -522,6 +522,8 @@ static SSDataBlock* sysTableScanUserCols(SOperatorInfo* pOperator) {
int32_t ret = 0;
if (pInfo->pCur == NULL) {
pInfo->pCur = pAPI->metaFn.openTableMetaCursor(pInfo->readHandle.vnode);
} else {
pAPI->metaFn.resumeTableMetaCursor(pInfo->pCur, 0);
}
if (pInfo->pSchema == NULL) {
@ -599,6 +601,7 @@ static SSDataBlock* sysTableScanUserCols(SOperatorInfo* pOperator) {
pInfo->restore = true;
if (pInfo->pRes->info.rows > 0) {
pAPI->metaFn.pauseTableMetaCursor(pInfo->pCur);
break;
}
} else {
@ -607,6 +610,7 @@ static SSDataBlock* sysTableScanUserCols(SOperatorInfo* pOperator) {
}
if (numOfRows > 0) {
pAPI->metaFn.pauseTableMetaCursor(pInfo->pCur);
relocateAndFilterSysTagsScanResult(pInfo, numOfRows, dataBlock, pOperator->exprSupp.pFilterInfo);
numOfRows = 0;
}
@ -702,6 +706,8 @@ static SSDataBlock* sysTableScanUserTags(SOperatorInfo* pOperator) {
int32_t ret = 0;
if (pInfo->pCur == NULL) {
pInfo->pCur = pAPI->metaFn.openTableMetaCursor(pInfo->readHandle.vnode);
} else {
pAPI->metaFn.resumeTableMetaCursor(pInfo->pCur, 0);
}
bool blockFull = false;
@ -741,6 +747,7 @@ static SSDataBlock* sysTableScanUserTags(SOperatorInfo* pOperator) {
numOfRows = 0;
if (pInfo->pRes->info.rows > 0) {
pAPI->metaFn.pauseTableMetaCursor(pInfo->pCur);
break;
}
@ -749,6 +756,7 @@ static SSDataBlock* sysTableScanUserTags(SOperatorInfo* pOperator) {
}
if (numOfRows > 0) {
pAPI->metaFn.pauseTableMetaCursor(pInfo->pCur);
relocateAndFilterSysTagsScanResult(pInfo, numOfRows, dataBlock, pOperator->exprSupp.pFilterInfo);
numOfRows = 0;
}