xxq250
/
homework-jianmu
1
0
Fork 0
Code Issues Pull Requests 1 Actions Packages Projects Releases Wiki Activity

[TD-3963]no need to save last row in checkForCachedLastRow

This commit is contained in:
lichuang 2021-06-05 12:14:57 +08:00
parent 2241f2f2cb
commit 9d353971b7
1 changed files with 7 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
src/tsdb/src/tsdbRead.c
View File

@ -2860,7 +2860,7 @@ bool tsdbGetExternalRow(TsdbQueryHandleT pHandle) {
/*
* if lastRow == NULL, return TSDB_CODE_TDB_NO_CACHE_LAST_ROW
* else set pRes and return TSDB_CODE_SUCCESS
* else set pRes and return TSDB_CODE_SUCCESS and save lastKey
*/
int32_t tsdbGetCachedLastRow(STable* pTable, SDataRow* pRes, TSKEY* lastKey) {
int32_t code = TSDB_CODE_SUCCESS;
@ -2872,9 +2872,11 @@ int32_t tsdbGetCachedLastRow(STable* pTable, SDataRow* pRes, TSKEY* lastKey) {
goto out;
}
*pRes = tdDataRowDup(pTable->lastRow);
if (*pRes == NULL) {
code = TSDB_CODE_TDB_OUT_OF_MEMORY;
if (pRes) {
*pRes = tdDataRowDup(pTable->lastRow);
if (*pRes == NULL) {
code = TSDB_CODE_TDB_OUT_OF_MEMORY;
}
}
out:
@ -2889,7 +2891,6 @@ bool isTsdbCacheLastRow(TsdbQueryHandleT* pQueryHandle) {
int32_t checkForCachedLastRow(STsdbQueryHandle* pQueryHandle, STableGroupInfo *groupList) {
assert(pQueryHandle != NULL && groupList != NULL);
SDataRow pRow = NULL;
TSKEY key = TSKEY_INITIAL_VAL;
SArray* group = taosArrayGetP(groupList->pGroupList, 0);
@ -2900,7 +2901,7 @@ int32_t checkForCachedLastRow(STsdbQueryHandle* pQueryHandle, STableGroupInfo *g
int32_t code = 0;
if (((STable*)pInfo->pTable)->lastRow) {
code = tsdbGetCachedLastRow(pInfo->pTable, &pRow, &key);
code = tsdbGetCachedLastRow(pInfo->pTable, NULL, &key);
if (code != TSDB_CODE_SUCCESS) {
pQueryHandle->cachelastrow = 0;
} else {
@ -2915,7 +2916,6 @@ int32_t checkForCachedLastRow(STsdbQueryHandle* pQueryHandle, STableGroupInfo *g
pQueryHandle->activeIndex = -1; // start from -1
}
tfree(pRow);
return code;
}