public boolean next() {
row = null;
try {
if (result != null && result.next()) {
int columnCount = meta.getColumnCount();
values = new Value[columnCount];
for (int i = 0; i < columnCount; i++) {
int type = DataType.convertSQLTypeToValueType(meta.getColumnType(i + 1));
values[i] = DataType.readValue(session, result, i + 1, type);
}
} else {
values = null;
}
} catch (SQLException e) {
throw DbException.convert(e);
}
return values != null;
}
private static SimpleResultSet getSimpleResultSet(ResultInterface rs, int maxrows) {
int columnCount = rs.getVisibleColumnCount();
SimpleResultSet simple = new SimpleResultSet();
for (int i = 0; i < columnCount; i++) {
String name = rs.getColumnName(i);
int sqlType = DataType.convertTypeToSQLType(rs.getColumnType(i));
int precision = MathUtils.convertLongToInt(rs.getColumnPrecision(i));
int scale = rs.getColumnScale(i);
simple.addColumn(name, sqlType, precision, scale);
}
rs.reset();
for (int i = 0; i < maxrows && rs.next(); i++) {
Object[] list = new Object[columnCount];
for (int j = 0; j < columnCount; j++) {
list[j] = rs.currentRow()[j].getObject();
}
simple.addRow(list);
}
return simple;
}