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-rw-r--r--src/backend/utils/sort/tuplesort.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/backend/utils/sort/tuplesort.c b/src/backend/utils/sort/tuplesort.c
index 2b21888a015..f975d24a98c 100644
--- a/src/backend/utils/sort/tuplesort.c
+++ b/src/backend/utils/sort/tuplesort.c
@@ -4589,5 +4589,6 @@ free_sort_tuple(Tuplesortstate *state, SortTuple *stup)
{
FREEMEM(state, GetMemoryChunkSpace(stup->tuple));
pfree(stup->tuple);
+ stup->tuple = NULL;
}
}