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Posted to derby-dev@db.apache.org by "Kathey Marsden (JIRA)" <ji...@apache.org> on 2007/12/14 17:53:43 UTC
[jira] Updated: (DERBY-3171) ResultsetMetadata.isNullable returns
different value for networkserver/client vs. embedded on some columns after
a call to DatabaseMetaData.getAttributes()
[ https://issues.apache.org/jira/browse/DERBY-3171?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Kathey Marsden updated DERBY-3171:
----------------------------------
Component/s: JDBC
> ResultsetMetadata.isNullable returns different value for networkserver/client vs. embedded on some columns after a call to DatabaseMetaData.getAttributes()
> -----------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: DERBY-3171
> URL: https://issues.apache.org/jira/browse/DERBY-3171
> Project: Derby
> Issue Type: Bug
> Components: JDBC
> Affects Versions: 10.4.0.0
> Reporter: Myrna van Lunteren
> Priority: Trivial
>
> Code like the following:
> DatabaseMetaData dmd = <a connection>.getMetaData();
> ResultSet rs = dmd.getAttributes(null,null,null,null);
> ResultSetMetaData rsmd = rs.getMetaData();
> int actualCols = rsmd.getColumnCount();
> for (int i = 0; i < actualCols; i++)
> {
> System.out.println(rsmd.getColumnName(i+1));
> System.out.println(rsmd.isNullable(i+1));
> }
> Will return different values for a number of columns in the resultset for network server/client vs. embedded.
> See test fixture DatabaseMetaData.testUnimplementedSQLObjectAttributes().
> The difference shows up for: DATA_TYPE, ATTR_SIZE, DECIMAL_DIGITS, NUM_PREC_RADIX, NULLABLE, SQL_DATA_TYPE, SQL_DATETIME_SUB, CHAR_OCTET_LENGTH, ORDINAL_POSITION.
> It's unlikely that this would ever cause a problem for a user's application, so marking as trivial.
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