isNullable columns in ResultSet from DatabaseMetaData.getColumnPrivileges() and
getTablePrivileges() are off
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Key: DERBY-3212
URL: https://issues.apache.org/jira/browse/DERBY-3212
Project: Derby
Issue Type: Bug
Reporter: Myrna van Lunteren
Consider code like the following:
DatabaseMetaData dmd = conn.getMetaData();
ResultSet rs = dmd.getTablePrivileges(null,null,null);
// or :
// ResultSet rs = dmd.getColumnPrivileges(null, null, "", null);
ResultSetMetaData rsmd = rs.getMetaData();
int actualCols = rsmd.getColumnCount();
for (int i = 0; i < actualCols; i++)
{
System.out.print("getColumnName: " + rsmd.getColumnName(i+1) +
", isNullable: ");
System.out.println(rsmd.isNullable(i+1));
}
With Derby versions before 10.2.1.6, this would return true for all columns,
presumably, because lacking support for grant/revoke.
As of Derby 10.2.1.6, the following is returned:
getTablePrivileges:
TABLE_CAT: true, TABLE_SCHEM: false,TABLE_NAME: false,
GRANTOR: true, GRANTEE: true,PRIVILEGE: true,IS_GRANTABLE: true
getColumnPrivileges:
TABLE_CAT: true, TABLE_SCHEM: false,TABLE_NAME: false,COLUMN_NAME:false,
GRANTOR: true, GRANTEE: true,PRIVILEGE: true,IS_GRANTABLE: true
However, the API suggests that TABLE_NAME is allowed to be null.
Also, it suggests by not mentioning null, that GRANTEE and PRIVILEGE may not be
null.
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