*TextDatumGetCString* calls palloc to alloc memory for the option text datum, in some cases the the memory is allocated in *TopTransactionContext*, this may cause memory leak for a long running backend. --- src/backend/access/common/reloptions.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/src/backend/access/common/reloptions.c b/src/backend/access/common/reloptions.c index 609329bb21..6076677aef 100644 --- a/src/backend/access/common/reloptions.c +++ b/src/backend/access/common/reloptions.c @@ -1360,6 +1360,7 @@ untransformRelOptions(Datum options) val = (Node *) makeString(pstrdup(p)); } result = lappend(result, makeDefElem(pstrdup(s), val, -1)); + pfree(s); } return result; -- 2.33.0 -- Regards Junwang Zhao
0001-fix-potential-memory-leak-in-untransformRelOptions.patch
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