multiple_inheritance-v1.patch
application/octet-stream
Filename: multiple_inheritance-v1.patch
Type: application/octet-stream
Part: 0
Patch
Same data as JSON:
GET /api/v1/attachments/:id/patch
the parsed metadata as JSON — format, series position, per-file stats; never the diff bytes.
API reference →
Format: unified
Series: patch v1
| File | + | − |
|---|---|---|
| src/backend/commands/tablecmds.c | 9 | 0 |
diff --git a/src/backend/commands/tablecmds.c b/src/backend/commands/tablecmds.c index 49a6f73..89bd0dd 100644 --- a/src/backend/commands/tablecmds.c +++ b/src/backend/commands/tablecmds.c @@ -4891,6 +4891,15 @@ ATAddCheckConstraint(List **wqueue, AlteredTableInfo *tab, Relation rel, CommandCounterIncrement(); /* + * If the constraint got merged with an existing constraint, we're done. + * We mustn't recurse to child tables in this case, because they've already + * got the constraint, and visiting them again would lead to an incorrect + * value for coninhcount. + */ + if (newcons == NIL) + return; + + /* * Propagate to children as appropriate. Unlike most other ALTER * routines, we have to do this one level of recursion at a time; we can't * use find_all_inheritors to do it in one pass.