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Re: Invalid Column Length

From: Kris Jurka <books(at)ejurka(dot)com>
To: Perepelkin Andrew <perepelkin(dot)work(at)gmail(dot)com>
Cc: pgsql-jdbc(at)postgresql(dot)org
Subject: Re: Invalid Column Length
Date: 2010-11-02 20:02:36
Message-ID: alpine.BSO.2.00.1011021601480.18305@leary.csoft.net (view raw or flat)
Thread:
Lists: pgsql-jdbc

On Tue, 2 Nov 2010, Perepelkin Andrew wrote:

> Hello,
> 
> I am using Liquibase with postgres JDBC driver postgresql-8.4-702.jdbc4.jar
> PostgreSQL - 8.4.4
> My table structure, for example, is
> CREATE TABLE applications
> (
>   id character varying NOT NULL,
>   "name" character varying NOT NULL,
>   "version" character varying NOT NULL,
> )
> 
> When i try export my database structure to the Liquibase script it makes
> column with length 2147483647.
>             <column name="id" type="VARCHAR(10485760)">
>                 <constraints nullable="false" primaryKey="true"
> primaryKeyName="applications_pkey"/>
>             </column>
> Maximum length of type character varying is 10485760.
> Generated script is broken.
> 
> I looked at Liquibase code and found that ResultSet.getInt("COLUMN_SIZE")
> returns 2147483647 when length not set implicitly.
> 
> Is this a bug?
> Is there any workaround exist?
>

You can set the unknownLength URL parameter to say whay you think the size 
of an unspecified string should be:

http://jdbc.postgresql.org/documentation/84/connect.html#connection-parameters

Kris Jurka

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