Forget this patch entirely - it was just a preview so I could get comment.
But then I got bored and decided to implement ADD UNIQUE and ADD PRIMARY
before worrying about the DROP code.
Discard it - I'll resubmit a proper patch some other time.
Chris
> -----Original Message-----
> From: Bruce Momjian [mailto:pgman@candle.pha.pa.us]
> Sent: Saturday, 25 August 2001 1:35 AM
> To: Christopher Kings-Lynne
> Cc: Patches
> Subject: Re: [PATCHES] DROP CONSTRAINT (UNIQUE) preliminary support
>
>
>
> Where did we leave this?
>
> > Hi all,
> >
> > This patch allows ALTER TABLE/DROP CONSTRAINT to drop UNIQUE
> constraints by
> > dropping the relevant index.
> >
> > This is a prelim patch that I need comment on (The @@
> comments), and I've
> > edited some things out by hand, so I don't recommend applying
> it to anything
> > just yet.
> >
> > I have added an IsIndex function to indexcmds.c and a
> RemoveUniqueConstraint
> > to heap.c, plus modified command.c's AlterTableDropConstraint
> function to
> > call RemoveUniqueConstraint.
> >
> > Note that I have disabled inheritance support for unique
> constraints - since
> > it's impossible to have two indices of the same name anyway...
> >
> > Comments please.
> >
> > Chris
>
> [ Attachment, skipping... ]
>
> >
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>
> --
> Bruce Momjian | http://candle.pha.pa.us
> pgman@candle.pha.pa.us | (610) 853-3000
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> + Christ can be your backup. | Drexel Hill, Pennsylvania 19026
>