Ramana, Actually, there's no binary type in Pig. If you do not specify the type in load statement, the default type is byte array. I'm afraid you have to write a UDF to do the binary comparison. In the UDF, you should first convert the byte array to binary and then compare the two binaries.
On Wed, Jan 27, 2010 at 11:38 PM, Ramana Venkata <[email protected]>wrote: > Hi > I want to create UDF which compares a tuple with a string value like this. > > public class IsEqual extends FilterFunc { > public Boolean exec(Tuple input,String str) throws IOException { > // binary compary of AND is performed here; > // if result of AND is not zero it will return true; > return true; > } > > > is it possible with pig UDF ??; > > Actually i want to compare two binary type data with AND operation as > fallows > > Table data is > > ramana 1010101 > krishna 1000010 > venkata 1101010 > ...... > load 'data' as name,category using PigStorate("\t"); > cameusers = filter data by IsEqual(category,"1000010"); > store cameusers; > ----------------------------------- > result i am expected is ............... > krishna 1000010 > > > Is there any other solution for this operation without UDF? can we > compare category column with binary data? > > > Please give responce.. > > > thanks > ramanaiah > -- Best Regards Jeff Zhang
