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Improve error message when view is not updatable

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Avoid using the term "updatable" in confusing ways.  Suggest a trigger
first, before a rule.
This commit is contained in:
Peter Eisentraut
2013-08-14 23:00:34 -04:00
parent 6c5f68ea1a
commit 9e3f42ff3f
3 changed files with 26 additions and 26 deletions
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6
src/backend/executor/execMain.c
View File

@ -975,7 +975,7 @@ CheckValidResultRel(Relation resultRel, CmdType operation)
(errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
errmsg("cannot insert into view \"%s\"",
RelationGetRelationName(resultRel)),
errhint("To make the view insertable, provide an unconditional ON INSERT DO INSTEAD rule or an INSTEAD OF INSERT trigger.")));
errhint("To enable inserting into the view, provide an INSTEAD OF INSERT trigger or an unconditional ON INSERT DO INSTEAD rule.")));
break;
case CMD_UPDATE:
if (!trigDesc || !trigDesc->trig_update_instead_row)
@ -983,7 +983,7 @@ CheckValidResultRel(Relation resultRel, CmdType operation)
(errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
errmsg("cannot update view \"%s\"",
RelationGetRelationName(resultRel)),
errhint("To make the view updatable, provide an unconditional ON UPDATE DO INSTEAD rule or an INSTEAD OF UPDATE trigger.")));
errhint("To enable updating the view, provide an INSTEAD OF UPDATE trigger or an unconditional ON UPDATE DO INSTEAD rule.")));
break;
case CMD_DELETE:
if (!trigDesc || !trigDesc->trig_delete_instead_row)
@ -991,7 +991,7 @@ CheckValidResultRel(Relation resultRel, CmdType operation)
(errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
errmsg("cannot delete from view \"%s\"",
RelationGetRelationName(resultRel)),
errhint("To make the view updatable, provide an unconditional ON DELETE DO INSTEAD rule or an INSTEAD OF DELETE trigger.")));
errhint("To enable deleting from the view, provide an INSTEAD OF DELETE trigger or an unconditional ON DELETE DO INSTEAD rule.")));
break;
default:
elog(ERROR, "unrecognized CmdType: %d", (int) operation);