{
// this method is supported in database meta data only from 10.2 onward
boolean supportsBoolean = true;
Version dataVersion = getDataVersion( getConnection() );
if ( dataVersion.compareTo( new Version( 10, 7, 0, 0 ) ) < 0 ) { supportsBoolean = false; }
if ( dataVersion.compareTo( new Version( 10, 2, 0, 0 ) ) < 0 ) { return; }
DatabaseMetaData dmd = getDMD();
Statement s = createStatement();