diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/backend/parser/analyze.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/backend/parser/analyze.c b/src/backend/parser/analyze.c index 823d3b445a7..7085035c525 100644 --- a/src/backend/parser/analyze.c +++ b/src/backend/parser/analyze.c @@ -26,6 +26,7 @@ #include "access/sysattr.h" #include "catalog/pg_type.h" +#include "miscadmin.h" #include "nodes/makefuncs.h" #include "nodes/nodeFuncs.h" #include "optimizer/var.h" @@ -1487,6 +1488,9 @@ transformSetOperationTree(ParseState *pstate, SelectStmt *stmt, Assert(stmt && IsA(stmt, SelectStmt)); + /* Guard against stack overflow due to overly complex set-expressions */ + check_stack_depth(); + /* * Validity-check both leaf and internal SELECTs for disallowed ops. */ |