diff options
Diffstat (limited to 'src/backend/commands/tablecmds.c')
| -rw-r--r-- | src/backend/commands/tablecmds.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/backend/commands/tablecmds.c b/src/backend/commands/tablecmds.c index c510a01fd8d..3147dddf286 100644 --- a/src/backend/commands/tablecmds.c +++ b/src/backend/commands/tablecmds.c @@ -2650,6 +2650,10 @@ MergeAttributes(List *schema, List *supers, char relpersistence, */ def->inhcount++; + if (def->inhcount < 0) + ereport(ERROR, + errcode(ERRCODE_PROGRAM_LIMIT_EXCEEDED), + errmsg("too many inheritance parents")); newattmap->attnums[parent_attno - 1] = exist_attno; } @@ -3173,6 +3177,10 @@ MergeCheckConstraint(List *constraints, char *name, Node *expr) { /* OK to merge */ ccon->inhcount++; + if (ccon->inhcount < 0) + ereport(ERROR, + errcode(ERRCODE_PROGRAM_LIMIT_EXCEEDED), + errmsg("too many inheritance parents")); return true; } @@ -6828,6 +6836,10 @@ ATExecAddColumn(List **wqueue, AlteredTableInfo *tab, Relation rel, /* Bump the existing child att's inhcount */ childatt->attinhcount++; + if (childatt->attinhcount < 0) + ereport(ERROR, + errcode(ERRCODE_PROGRAM_LIMIT_EXCEEDED), + errmsg("too many inheritance parents")); CatalogTupleUpdate(attrdesc, &tuple->t_self, tuple); heap_freetuple(tuple); @@ -6919,6 +6931,10 @@ ATExecAddColumn(List **wqueue, AlteredTableInfo *tab, Relation rel, attribute.attstattarget = (newattnum > 0) ? -1 : 0; attribute.attlen = tform->typlen; attribute.attnum = newattnum; + if (list_length(colDef->typeName->arrayBounds) > PG_INT16_MAX) + ereport(ERROR, + errcode(ERRCODE_PROGRAM_LIMIT_EXCEEDED), + errmsg("too many array dimensions")); attribute.attndims = list_length(colDef->typeName->arrayBounds); attribute.atttypmod = typmod; attribute.attbyval = tform->typbyval; @@ -12924,6 +12940,10 @@ ATExecAlterColumnType(AlteredTableInfo *tab, Relation rel, attTup->atttypid = targettype; attTup->atttypmod = targettypmod; attTup->attcollation = targetcollid; + if (list_length(typeName->arrayBounds) > PG_INT16_MAX) + ereport(ERROR, + errcode(ERRCODE_PROGRAM_LIMIT_EXCEEDED), + errmsg("too many array dimensions")); attTup->attndims = list_length(typeName->arrayBounds); attTup->attlen = tform->typlen; attTup->attbyval = tform->typbyval; @@ -15155,6 +15175,10 @@ MergeAttributesIntoExisting(Relation child_rel, Relation parent_rel) * later on, this change will just roll back.) */ childatt->attinhcount++; + if (childatt->attinhcount < 0) + ereport(ERROR, + errcode(ERRCODE_PROGRAM_LIMIT_EXCEEDED), + errmsg("too many inheritance parents")); /* * In case of partitions, we must enforce that value of attislocal @@ -15292,6 +15316,10 @@ MergeConstraintsIntoExisting(Relation child_rel, Relation parent_rel) child_copy = heap_copytuple(child_tuple); child_con = (Form_pg_constraint) GETSTRUCT(child_copy); child_con->coninhcount++; + if (child_con->coninhcount < 0) + ereport(ERROR, + errcode(ERRCODE_PROGRAM_LIMIT_EXCEEDED), + errmsg("too many inheritance parents")); /* * In case of partitions, an inherited constraint must be |