Rick Hillegas created DERBY-6129:
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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: 10.10.1.1
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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