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Merge pull request #17548 from taosdata/szhou/fixbugs 

fix: get next row from rb tree from last files when backward scaning
This commit is contained in:
wade zhang 2022-10-21 15:04:42 +08:00 committed by GitHub
parent 101be62054 05d45b20e1
commit 88c52d567b
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 10 additions and 3 deletions
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11
source/dnode/vnode/src/tsdb/tsdbMergeTree.c
View File

@ -536,6 +536,10 @@ static FORCE_INLINE int32_t tLDataIterCmprFn(const SRBTreeNode *p1, const SRBTre
}
}
static FORCE_INLINE int32_t tLDataIterDescCmprFn(const SRBTreeNode *p1, const SRBTreeNode *p2) {
return -1 * tLDataIterCmprFn(p1, p2);
}
int32_t tMergeTreeOpen(SMergeTree *pMTree, int8_t backward, SDataFReader *pFReader, uint64_t suid, uint64_t uid,
STimeWindow *pTimeWindow, SVersionRange *pVerRange, SSttBlockLoadInfo *pBlockLoadInfo,
bool destroyLoadInfo, const char *idStr) {
@ -547,8 +551,11 @@ int32_t tMergeTreeOpen(SMergeTree *pMTree, int8_t backward, SDataFReader *pFRead
}
pMTree->idStr = idStr;
tRBTreeCreate(&pMTree->rbt, tLDataIterCmprFn);
if (!pMTree->backward) { // asc
tRBTreeCreate(&pMTree->rbt, tLDataIterCmprFn);
} else { // desc
tRBTreeCreate(&pMTree->rbt, tLDataIterDescCmprFn);
}
int32_t code = TSDB_CODE_SUCCESS;
pMTree->pLoadInfo = pBlockLoadInfo;

2
source/libs/function/src/tudf.c
View File

@ -920,7 +920,7 @@ int32_t acquireUdfFuncHandle(char *udfName, UdfcFuncHandle *pHandle) {
code = doSetupUdf(udfName, pHandle);
if (code == TSDB_CODE_SUCCESS) {
SUdfcFuncStub stub = {0};
strcpy(stub.udfName, udfName);
strncpy(stub.udfName, udfName, TSDB_FUNC_NAME_LEN);
stub.handle = *pHandle;
++stub.refCount;
stub.lastRefTime = taosGetTimestampUs();