!3375 修复缺陷【表上带序列时，更新表数据存在内存泄露】

Merge pull request !3375 from cc_db_dev/fix_leak
2023-04-27 03:26:01 +00:00
parent 7993f0af9e 057db68bc6
commit 72af2b45b5
1 changed files with 4 additions and 0 deletions
--- a/src/gausskernel/runtime/executor/nodeModifyTable.cpp
+++ b/src/gausskernel/runtime/executor/nodeModifyTable.cpp
@ -488,7 +488,11 @@ bool ExecComputeStoredUpdateExpr(ResultRelInfo *resultRelInfo, EState *estate, T
    uint32 updated_colnum_resno;
    Bitmapset* updatedCols = GetUpdatedColumns(resultRelInfo, estate);

+    /* use pertuple memory for trigger tuple */
+    oldContext = MemoryContextSwitchTo(GetPerTupleMemoryContext(estate));
    HeapTuple oldtup = GetTupleForTrigger(estate, NULL, resultRelInfo, oldPartitionOid, bucketid, otid, LockTupleShared, NULL);
+    MemoryContextSwitchTo(oldContext);
+
    RecoredUpdateExpr(resultRelInfo, estate, cmdtype);

    /*