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TDengine

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提交 7b00bab1 编写于 作者: H Hongze Cheng
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fix race condition

上级 7aa15944
隐藏空白更改
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Showing with 4 addition and 1 deletion
src/tsdb/src/tsdbMemTable.c
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...@@ -899,7 +899,6 @@ static int tsdbUpdateTableLatestInfo(STsdbRepo *pRepo, STable *pTable, SDataRow ...@@ -899,7 +899,6 @@ static int tsdbUpdateTableLatestInfo(STsdbRepo *pRepo, STable *pTable, SDataRow
STsdbCfg *pCfg = &pRepo->config; STsdbCfg *pCfg = &pRepo->config;
if (tsdbGetTableLastKeyImpl(pTable) < dataRowKey(row)) { if (tsdbGetTableLastKeyImpl(pTable) < dataRowKey(row)) {
pTable->lastKey = dataRowKey(row);
if (pCfg->cacheLastRow || pTable->lastRow != NULL) { if (pCfg->cacheLastRow || pTable->lastRow != NULL) {
SDataRow nrow = pTable->lastRow; SDataRow nrow = pTable->lastRow;
if (taosTSizeof(nrow) < dataRowLen(row)) { if (taosTSizeof(nrow) < dataRowLen(row)) {
...@@ -912,14 +911,18 @@ static int tsdbUpdateTableLatestInfo(STsdbRepo *pRepo, STable *pTable, SDataRow ...@@ -912,14 +911,18 @@ static int tsdbUpdateTableLatestInfo(STsdbRepo *pRepo, STable *pTable, SDataRow
dataRowCpy(nrow, row); dataRowCpy(nrow, row);
TSDB_WLOCK_TABLE(pTable); TSDB_WLOCK_TABLE(pTable);
pTable->lastKey = dataRowKey(row);
pTable->lastRow = nrow; pTable->lastRow = nrow;
TSDB_WUNLOCK_TABLE(pTable); TSDB_WUNLOCK_TABLE(pTable);
taosTZfree(orow); taosTZfree(orow);
} else { } else {
TSDB_WLOCK_TABLE(pTable); TSDB_WLOCK_TABLE(pTable);
pTable->lastKey = dataRowKey(row);
dataRowCpy(nrow, row); dataRowCpy(nrow, row);
TSDB_WUNLOCK_TABLE(pTable); TSDB_WUNLOCK_TABLE(pTable);
} }
} else {
pTable->lastKey = dataRowKey(row);
} }
} }
......
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