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From "Rick Hillegas (JIRA)" <j...@apache.org>
Subject [jira] [Created] (DERBY-6129) Reference Manual gives incorrect datatype for SYSCOLUMNS.COLUMNNAME
Date Tue, 26 Mar 2013 14:21:16 GMT
Rick Hillegas created DERBY-6129:

             Summary: Reference Manual gives incorrect datatype for SYSCOLUMNS.COLUMNNAME
                 Key: DERBY-6129
                 URL: https://issues.apache.org/jira/browse/DERBY-6129
             Project: Derby
          Issue Type: Bug
          Components: Documentation
    Affects Versions:
            Reporter: Rick Hillegas

The Reference Manual says that SYSCOLUMNS.COLUMNNAME has datatype CHAR(128). It's actual datatype
is VARCHAR(128). It's probably worth running the following script to confirm the datatypes
of all catalog columns described by the Reference Manual:

connect 'jdbc:derby:memory:db;create=true';

select cast(t.tablename as varchar( 20 )), cast(c.columnname as varchar(20)), c.columndatatype
from sys.syscolumns c, sys.systables t
where t.tablename like 'SYS%'
and t.tableid = c.referenceid
order by t.tablename, c.columnname;

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