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-rw-r--r--src/interfaces/libpq/fe-exec.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/interfaces/libpq/fe-exec.c b/src/interfaces/libpq/fe-exec.c
index 93c334b380e..2876b71a369 100644
--- a/src/interfaces/libpq/fe-exec.c
+++ b/src/interfaces/libpq/fe-exec.c
@@ -3221,6 +3221,8 @@ PQsetnonblocking(PGconn *conn, int arg)
int
PQisnonblocking(const PGconn *conn)
{
+ if (!conn || conn->status == CONNECTION_BAD)
+ return false;
return pqIsnonblocking(conn);
}
@@ -3240,6 +3242,8 @@ PQisthreadsafe(void)
int
PQflush(PGconn *conn)
{
+ if (!conn || conn->status == CONNECTION_BAD)
+ return -1;
return pqFlush(conn);
}