diff options
Diffstat (limited to 'src/backend/nodes/outfuncs.c')
| -rw-r--r-- | src/backend/nodes/outfuncs.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/backend/nodes/outfuncs.c b/src/backend/nodes/outfuncs.c index 5c03e9f2aa8..8d9280197bb 100644 --- a/src/backend/nodes/outfuncs.c +++ b/src/backend/nodes/outfuncs.c @@ -24,6 +24,7 @@ #include <ctype.h> #include "lib/stringinfo.h" +#include "miscadmin.h" #include "nodes/plannodes.h" #include "nodes/relation.h" #include "utils/datum.h" @@ -2941,6 +2942,9 @@ _outConstraint(StringInfo str, const Constraint *node) static void _outNode(StringInfo str, const void *obj) { + /* Guard against stack overflow due to overly complex expressions */ + check_stack_depth(); + if (obj == NULL) appendStringInfoString(str, "<>"); else if (IsA(obj, List) ||IsA(obj, IntList) || IsA(obj, OidList)) |