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Diffstat (limited to 'src/backend/nodes/equalfuncs.c')
| -rw-r--r-- | src/backend/nodes/equalfuncs.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/backend/nodes/equalfuncs.c b/src/backend/nodes/equalfuncs.c index c5bb817ba19..c566eb9b257 100644 --- a/src/backend/nodes/equalfuncs.c +++ b/src/backend/nodes/equalfuncs.c @@ -29,6 +29,7 @@ #include "postgres.h" +#include "miscadmin.h" #include "nodes/extensible.h" #include "nodes/relation.h" #include "utils/datum.h" @@ -2978,6 +2979,9 @@ equal(const void *a, const void *b) if (nodeTag(a) != nodeTag(b)) return false; + /* Guard against stack overflow due to overly complex expressions */ + check_stack_depth(); + switch (nodeTag(a)) { /* |