Yes, UDFs are as of 4.4.0. I've corrected the JIRA. Thanks, James On Wed, Jul 22, 2015 at 6:15 PM, Anchal Agrawal <anc...@yahoo-inc.com> wrote:
> Hi James, > > The long value isn't serialized that way. There's some internal > serialization logic in the rowkey, so I'm writing a UDF to extract the long > value. I looked at your tutorial > <http://phoenix-hbase.blogspot.in/2013/04/how-to-add-your-own-built-in-function.html> > for writing UDFs, and I'm also reading up various Phoenix functions here > <https://github.com/apache/phoenix/tree/master/phoenix-core/src/main/java/org/apache/phoenix/expression/function> > . > > Quick question - if I'm using v4.4.0, do I need to include the UDF in the > Phoenix jar? JIRA [PHOENIX-538] > <https://issues.apache.org/jira/browse/PHOENIX-538> says that the fix > version is 5.0.0 but the Phoenix UDF page says that v4.4.0 supports UDFs > with the CREATE FUNCTION query. > > Thank you, > Anchal > > > > On Wednesday, July 22, 2015 5:56 PM, James Taylor < > jamestay...@apache.org> wrote: > > > If it leads with a long that was serialized using Bytes.toBytes(long), > then you can map that to the UNSIGNED_LONG type in Phoenix. What's the rest > of your row key look like? > > On Wed, Jul 22, 2015 at 5:54 PM, Anchal Agrawal <anc...@yahoo-inc.com> > wrote: > > Anil and Krishna, > > Thanks for your replies. My rowkey is made up of a LONG value with some > other parameters added in. Krishna, that's what I was looking for! I've > mapped the HBase table's rowkey to the Phoenix table, and I'm writing a UDF > to extract fields from it. > > - Anchal > > > > On Wednesday, July 22, 2015 4:04 PM, Krishna <research...@gmail.com> > wrote: > > > You can map HBase composite row key to Phoenix primary key only if > serialization used for HBase matches with Phoenix. Ex: leading 1 byte for > bucket, 0-byte char for separating columns, etc. > > If you used a different mechanism to serialize rowkey in HBase, you can > still map it Phoenix table but declare PK as VARBINARY and see if you can > create a UDF to separate columns. > > On Tuesday, July 21, 2015, Anchal Agrawal <anc...@yahoo-inc.com> wrote: > > Hi, > > I'm trying to map an existing HBase table to Phoenix. Can the existing > HBase table's rowkey be imported as the rowkey of the Phoenix table? On > this page ( > https://phoenix.apache.org/faq.html#How_I_map_Phoenix_table_to_an_existing_HBase_table), > there's an example: > > CREATE VIEW t1 ( pk VARCHAR PRIMARY KEY, f1.val VARCHAR ) > > Here, is pk the HBase table's column that's being used as the primary > key, or is it a Phoenix keyword/placeholder to refer to the HBase table's > rowkey? My table's rowkey is made up of several fields that are not stored > as columns in that table. If I could just import the rowkey into Phoenix, > that'd be great. > > Thank you! > > Sincerely, > Anchal > > > > > > >
