this.column = tr.column;
this.rows = tr.rows;
this.ncolumns = tr.ncolumns;
this.nrows = tr.nrows;
this.types = tr.types;
sql_type = new int[tr.ncolumns];
for (int i = 0; i < this.ncolumns; i++) {
sql_type[i] = Types.VARCHAR;
}
if (tr.types != null) {
for (int i = 0; i < tr.types.length; i++) {
sql_type[i] = JDBCDatabaseMetaData.mapSqlType(tr.types[i]);
}
}