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Re: Metadata for tables, schema, and numeric

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Mike Finn <mike(dot)finn(at)tacticalExecutive(dot)com>
Cc: pgsql-jdbc(at)postgresql(dot)org
Subject: Re: Metadata for tables, schema, and numeric
Date: 2001-07-04 15:06:39
Message-ID: 200107041506.f64F6dg05655@candle.pha.pa.us (view raw or flat)
Thread:
Lists: pgsql-jdbc
Please try the newer jdbc driver at:

	http://jdbc.fastcrypt.com

This may fix those problems.

> Using 7.1 the following don't ever seem to return anything
> 
>     getCatalogName(int)
>     getSchemaName(int)
>     getTableName(int)
> 
> has this been implemented in a newer version of the JDBC driver
> If yes... where to get it?
> If no... is it planned?
> 
> As well 
>     getPrecision(int)
> always returns 0 for type numeric(p,s).  I checked the source for the driver 
> (jdbc2) and it seems to always set this to zero as it is not a type checked 
> for in the switch list (or cascading if's -- it was yesterday when I checked).
> 
> Is this because the backend does not provide this information to a client or 
> is it simply a matter of little more code to the driver to explicitly check 
> for a few more types?
> 
> 
> gb=> \d customer
>                    Table "customer"
>          Attribute         |     Type      | Modifier
> ---------------------------+---------------+----------
>  seqcustomer               | numeric(15,0) | not null
>  name                      | text          | not null
>     <other fields>
> 
> and executing this query
> 
>     select customer.seqCustomer from customer
> 
> gives the following
> 
>     getColumnName: seqcustomer
>     getCatalogName:
>     getColumnLabel: seqcustomer
>     getSchemaName:
>     getTableName:
>     getPrecision: 0
>     getScale: 0
> 
> 
> Thanks in advance.
> Mike
> 
> ===================
> Mike Finn
> Tactical Executive Systems
> mike(dot)finn-pgsql-jdbc(at)tacticalExecutive(dot)com
> 
> 
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-- 
  Bruce Momjian                        |  http://candle.pha.pa.us
  pgman(at)candle(dot)pha(dot)pa(dot)us               |  (610) 853-3000
  +  If your life is a hard drive,     |  830 Blythe Avenue
  +  Christ can be your backup.        |  Drexel Hill, Pennsylvania 19026

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Next:From: Bruce MomjianDate: 2001-07-04 15:07:52
Subject: Re: Patch to remove connection hook and JDK 1.3 dependencies
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Subject: Metadata for tables, schema, and numeric

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