Re: Constraint exclusion issue - Mailing list pgsql-general

From Mathieu De Zutter
Subject Re: Constraint exclusion issue
Date
Msg-id d4468d971001161140n6f5e02d6he8ed979d13a0e521@mail.gmail.com
Whole thread Raw
In response to Re: Constraint exclusion issue  (Scott Marlowe <scott.marlowe@gmail.com>)
Responses Re: Constraint exclusion issue  (Emanuel Calvo Franco <postgres.arg@gmail.com>)
List pgsql-general
On Sat, Jan 16, 2010 at 7:26 PM, Scott Marlowe <scott.marlowe@gmail.com> wrote:
> On Sat, Jan 16, 2010 at 11:02 AM, Mathieu De Zutter
> <mathieu@dezutter.org> wrote:
>> shs-dev=# explain select * from parent where (c,n) = '("b",0)';
>> ERROR:  input of anonymous composite types is not implemented
>
> Shouldn't that be 'b' not "b" ?

It is special syntax to avoid escapes:

shs-dev=# select '("b",0)'::y;
   y
-------
 (b,0)

shs-dev=# select ('("b,",0)'::y).c;
ERROR:  value too long for type character(1)
LINE 1: select ('("b,",0)'::y).c;

pgsql-general by date:

Previous
From: Raymond O'Donnell
Date:
Subject: Re: SELECT is causing a runtime error when used in stored functions: State=42601, Err=7, Msg=ERROR: query has no destination for result data;
Next
From: Ivan Sergio Borgonovo
Date:
Subject: Re: OR tsquery