private ResultSet readResultSet(String[] colNames) throws IOException {
this.columnNames = colNames;
initRead();
SimpleResultSet result = new SimpleResultSet(this);
makeColumnNamesUnique();
for (String columnName : columnNames) {
result.addColumn(columnName, Types.VARCHAR, Integer.MAX_VALUE, 0);
}
return result;
}
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;
}