Re: Regarding boolean datatype - Mailing list pgsql-sql

From kanika singh
Subject Re: Regarding boolean datatype
Date
Msg-id 20021205110449.97578.qmail@web14504.mail.yahoo.com
Whole thread Raw
In response to Re: Regarding boolean datatype  (Richard Huxton <dev@archonet.com>)
List pgsql-sql
Thanks for the reply.
I will definitely look into it. and will come back to
you.

thanks and regards,
Kanika
--- Richard Huxton <dev@archonet.com> wrote:
> On Thursday 05 Dec 2002 9:11 am, kanika singh wrote:
> > Hello all,
> >
> > this is my first interaction with this list. I
> have a
> > problem. I was using MSSQL Server as db, now i m
> > changing to Postgres. I know that the bit type in
> > MSSQLserver is boolean in Postgres.
> 
> There's also a bit type if that's really what you
> want, but in this case I 
> think boolean is right.
> PS - if you get error messages again, please let us
> know what version and 
> client you are using (e.g. PostgreSQL v7.2.1 from
> jdbc)
> 
> > strSql    = " Update parts Set name = ? , description
> = ?
> > world_market = ?, part = ? , unit_of_measure = ?
> > Where depot= ?;
> >
> > prepStmt = conn.prepareStatement(strSql);
> > prepStmt.setString( 1, Pname) ;
> > prepStmt.setString( 2, Pdesc) ;
> > prepStmt.setBoolean(3, BoolWM) ;
> [snip]
> > SQLError ERROR:  Unable to identify an operator
> '~~'
> > for types 'boolean' and 'unknown'
> > You will have to retype this query using an
> explicit
> > cast
> 
> Are you sure this error goes with this query? I
> don't see any use of LIKE here 
> (which is what ~~ does for you).
> 
> > I know, somewhere i m making mistake, but where??
> > Moreover, if i m updating the database with the
> above
> > query, the db is giving the error and deleting the
> > data from the db. As per my understanding it
> should
> > automatically rollback. What is the problem???
> 
> I find this unlikely. If Postgresql was in the habit
> of deleting data without 
> being asked to there'd be mention of it. I suggest
> you turn query logging on 
> (in your postgresql.conf file) while you try to
> reproduce this. That will 
> show you what is really happening.
> 
> > What are the other coding rules for Postgres??
> 
> Manuals are at http://www.postgresql.org/
> Extra info at http://techdocs.postgresql.org/
> (including some online books)
> Mailing lists you know about.
> 
> -- 
>   Richard Huxton
> 
> ---------------------------(end of
> broadcast)---------------------------
> TIP 4: Don't 'kill -9' the postmaster


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