It is used by the matches clause , for evaluating the regular expressions. It is faster than java regex libs.
For more details see - https://issues.apache.org/jira/browse/PIG-965.
On 3/31/11 12:02 PM, "Jeffrey Wang" <[EMAIL PROTECTED]> wrote:
Cool, thanks. Anyone know about automation.jar?
From: Bill Graham [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, March 30, 2011 10:46 PM
To: [EMAIL PROTECTED]
Subject: Re: pig dependencies
Correct, you don't need the HBase jars (and probably the ZK jars as
well) at runtime if you're not doing anything with HBase.
On Wed, Mar 30, 2011 at 7:49 PM, Jeffrey Wang <[EMAIL PROTECTED]> wrote:
> Hey all,
> I am wondering what the dependencies in the lib folder of pig are used for, i.e. automation, hbase, and zookeeper. If we are not working with hbase at all, do we need them to run pig scripts? I removed them and everything seemed to be okay still for a test script, but I'm not sure if it will cause problems later on.