@Override
public void serverReduce(Object[] args, ExecutionContext ec) {
DataType type = this.getReturnType();
Object o = args[0];
if (o != null) {
count += (Long) type.convertFrom(o);
}
}
@Override
public int getColumnType(int column) throws SQLException {
column--;
ColumnMeta c = this.columnMetas.get(column);
DataType type = c.getDataType();
if (type == null) {
throw new SQLException("data type is null, column is: " + c);
}
return type.getSqlType();
}
