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Diffstat (limited to 'src/backend/commands/tablecmds.c')
-rw-r--r--src/backend/commands/tablecmds.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/src/backend/commands/tablecmds.c b/src/backend/commands/tablecmds.c
index 5daa5605998..8b27ab9739a 100644
--- a/src/backend/commands/tablecmds.c
+++ b/src/backend/commands/tablecmds.c
@@ -6745,6 +6745,9 @@ ATExecAddColumn(List **wqueue, AlteredTableInfo *tab, Relation rel,
TupleDesc tupdesc;
FormData_pg_attribute *aattr[] = {&attribute};
+ /* since this function recurses, it could be driven to stack overflow */
+ check_stack_depth();
+
/* At top level, permission check was done in ATPrepCmd, else do it */
if (recursing)
ATSimplePermissions((*cmd)->subtype, rel, ATT_TABLE | ATT_FOREIGN_TABLE);
@@ -8477,6 +8480,10 @@ ATExecDropColumn(List **wqueue, Relation rel, const char *colName,
/* Initialize addrs on the first invocation */
Assert(!recursing || addrs != NULL);
+
+ /* since this function recurses, it could be driven to stack overflow */
+ check_stack_depth();
+
if (!recursing)
addrs = new_object_addresses();
@@ -10939,6 +10946,9 @@ ATExecAlterConstrRecurse(Constraint *cmdcon, Relation conrel, Relation tgrel,
Oid refrelid;
bool changed = false;
+ /* since this function recurses, it could be driven to stack overflow */
+ check_stack_depth();
+
currcon = (Form_pg_constraint) GETSTRUCT(contuple);
conoid = currcon->oid;
refrelid = currcon->confrelid;
@@ -11955,6 +11965,9 @@ ATExecDropConstraint(Relation rel, const char *constrName,
bool is_no_inherit_constraint = false;
char contype;
+ /* since this function recurses, it could be driven to stack overflow */
+ check_stack_depth();
+
/* At top level, permission check was done in ATPrepCmd, else do it */
if (recursing)
ATSimplePermissions(AT_DropConstraint, rel, ATT_TABLE | ATT_FOREIGN_TABLE);