Обсуждение: Triggers?
Hi all, I'm currently updating an old database that started life in PG 7.3, and it has a bunch of triggers for foreign key constraints, named "RI_ConstraintTrigger_XXXXX" and the like. While replacing these with "proper" foreign keys, I noticed that they don't show up in PgAdmin under the table's "Triggers" node. They do, however, appear in PHPPgAdmin and in psql. I'm using PgAdmin 1.8.0. Am I missing something? Or should I just upgrade to 1.8.1? TIA, Ray. --------------------------------------------------------------- Raymond O'Donnell, Director of Music, Galway Cathedral, Ireland rod@iol.ie ---------------------------------------------------------------
On Jan 31, 2008 5:38 PM, Raymond O'Donnell <rod@iol.ie> wrote: > Hi all, > > I'm currently updating an old database that started life in PG 7.3, and > it has a bunch of triggers for foreign key constraints, named > "RI_ConstraintTrigger_XXXXX" and the like. > > While replacing these with "proper" foreign keys, I noticed that they > don't show up in PgAdmin under the table's "Triggers" node. They do, > however, appear in PHPPgAdmin and in psql. > > I'm using PgAdmin 1.8.0. Am I missing something? Or should I just > upgrade to 1.8.1? HI Ray, iirc, in 7.4 and some of the other 8.x versions there was a contrib module call adddepends which was basically a perl script which added the required dependency information to turn the old style foreign keys into new style. I think it's now worked it's way onto pgFoundry. Regards, Dave
On 31/01/2008 19:19, Dave Page wrote: > iirc, in 7.4 and some of the other 8.x versions there was a contrib > module call adddepends which was basically a perl script which added > the required dependency information to turn the old style foreign keys > into new style. I think it's now worked it's way onto pgFoundry. Hi Dave, Thanks for that - I may look it up, as it would help with what I'm currently doing - though admittedly I don't have a huge amount to do. However, what puzzled me is why the triggers appear in psql and PHPPgAdmin but not in PgAdmin (they don't show up as foreign keys under the "Constraints" node either). Ray. --------------------------------------------------------------- Raymond O'Donnell, Director of Music, Galway Cathedral, Ireland rod@iol.ie ---------------------------------------------------------------
On Jan 31, 2008 8:21 PM, Raymond O'Donnell <rod@iol.ie> wrote: > However, what puzzled me is why the triggers appear in psql and > PHPPgAdmin but not in PgAdmin (they don't show up as foreign keys under > the "Constraints" node either). pgAdmin will hide RI constraint triggers, but it detects foreign keys based on the dependency information (which you use adddepends to add to an old DB) and the triggers. Older versions of pgAdmin (ie. pgAdmin I & II), and presumably phpPgAdmin recognise the foreign keys from the triggers used and ignore the dependency information. In theory that can mean misidentifying triggers as RI constraints, though in reality that's pretty unlikely. /D