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opt sys query

This commit is contained in:
yihaoDeng 2022-10-20 13:53:04 +08:00
parent 54c7d6cbb9
commit f612eafee8
2 changed files with 216 additions and 172 deletions
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34
source/dnode/vnode/src/meta/metaQuery.c
View File

@ -1106,8 +1106,41 @@ int32_t metaFilterTableName(SMeta *pMeta, SMetaFltParam *param, SArray *pUids) {
pCursor->cid = param->cid;
pCursor->type = param->type;
char *pName = param->val;
metaRLock(pMeta);
ret = tdbTbcOpen(pMeta->pNameIdx, &pCursor->pCur, NULL);
if (ret != 0) {
goto END;
}
int cmp = 0;
if (tdbTbcMoveTo(pCursor->pCur, pName, strlen(pName) + 1, &cmp) < 0) {
goto END;
}
bool first = true;
int32_t valid = 0;
while (1) {
void *pEntryKey = NULL, *pEntryVal = NULL;
int32_t nEntryKey = -1, nEntryVal = 0;
valid = tdbTbcGet(pCursor->pCur, (const void **)pEntryKey, &nEntryKey, (const void **)&pEntryVal, &nEntryVal);
if (valid < 0) break;
char *pTableKey = (char *)pEntryKey;
int32_t cmp = (*param->filterFunc)(pTableKey, pName, pCursor->type);
if (cmp == 0) {
tb_uid_t tuid = *(tb_uid_t *)pEntryVal;
taosArrayPush(pUids, &tuid);
} else if (cmp == 1) {
// next
} else {
break;
}
valid = param->reverse ? tdbTbcMoveToPrev(pCursor->pCur) : tdbTbcMoveToNext(pCursor->pCur);
if (valid < 0) {
break;
}
}
END:
if (pCursor->pMeta) metaULock(pCursor->pMeta);
@ -1215,6 +1248,7 @@ int32_t metaFilterTableIds(SMeta *pMeta, SMetaFltParam *param, SArray *pUids) {
valid = tdbTbcGet(pCursor->pCur, (const void **)&entryKey, &nEntryKey, (const void **)&entryVal, &nEntryVal);
if (valid < 0) {
tdbFree(entryVal);
break;
}
STagIdxKey *p = entryKey;

44
source/libs/executor/src/scanoperator.c
View File

@ -3213,25 +3213,9 @@ static int32_t optSysTabFilte(void* arg, SNode* cond, SArray* result) {
return hasIdx == true ? 0 : -1;
}
static SSDataBlock* sysTableScanUserTables(SOperatorInfo* pOperator) {
static SSDataBlock* sysTableBuildUserTables(SOperatorInfo* pOperator) {
SExecTaskInfo* pTaskInfo = pOperator->pTaskInfo;
SSysTableScanInfo* pInfo = pOperator->info;
SNode* pCondtion = pInfo->pCondition;
if (pOperator->status == OP_EXEC_DONE) {
return NULL;
}
// the retrieve is executed on the mnode, so return tables that belongs to the information schema database.
if (pInfo->readHandle.mnd != NULL) {
buildSysDbTableInfo(pInfo, pOperator->resultInfo.capacity);
doFilterResult(pInfo);
pInfo->loadInfo.totalRows += pInfo->pRes->info.rows;
doSetOperatorCompleted(pOperator);
return (pInfo->pRes->info.rows == 0) ? NULL : pInfo->pRes;
} else {
if (pInfo->pCur == NULL) {
pInfo->pCur = metaOpenTbCursor(pInfo->readHandle.meta);
}
@ -3404,7 +3388,33 @@ static SSDataBlock* sysTableScanUserTables(SOperatorInfo* pOperator) {
pInfo->loadInfo.totalRows += pInfo->pRes->info.rows;
return (pInfo->pRes->info.rows == 0) ? NULL : pInfo->pRes;
}
static SSDataBlock* sysTableScanUserTables(SOperatorInfo* pOperator) {
SExecTaskInfo* pTaskInfo = pOperator->pTaskInfo;
SSysTableScanInfo* pInfo = pOperator->info;
SNode* pCondition = pInfo->pCondition;
if (pOperator->status == OP_EXEC_DONE) {
return NULL;
}
// the retrieve is executed on the mnode, so return tables that belongs to the information schema database.
if (pInfo->readHandle.mnd != NULL) {
buildSysDbTableInfo(pInfo, pOperator->resultInfo.capacity);
doFilterResult(pInfo);
pInfo->loadInfo.totalRows += pInfo->pRes->info.rows;
doSetOperatorCompleted(pOperator);
return (pInfo->pRes->info.rows == 0) ? NULL : pInfo->pRes;
} else {
if (pCondition != NULL) {
return NULL;
} else {
return sysTableBuildUserTables(pOperator);
}
}
return NULL;
}
static SSDataBlock* sysTableScanUserSTables(SOperatorInfo* pOperator) {