hguven / jaql

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FromDelimitConverter Missing from SVN #73

Closed GoogleCodeExporter closed 8 years ago

GoogleCodeExporter commented 8 years ago
Hi there, I am new to JAQL, but I involving it in an academic paper. I am 
wanting to understand JAQL further to be able to draw some results. So, the 
Hadoop cluster I am using is version 0.20.1 .

I have had to take a snapshot from JAQL SVN because the most recent stable 
version does not support 0.20.1 . I am trying to read in a delimited file 
from HDFS, but looking at your IO tutorial on the wiki, that it uses 
com.acme.extensions.data.FromDelimitConverter . However, looking at the 
source in SVN, this class is now missing.

Can you tell me where I am likely to find it, or better still, outline a 
new process (if applicable) to parse delimited HDFS files in JAQL. 
(delimited by a given format, and a new record on each line).

Thanks,
Rob Stewart

Original issue reported on code.google.com by robstewa...@gmail.com on 6 Dec 2009 at 2:14

GoogleCodeExporter commented 8 years ago
Yes, reading delimited files has been made significantly easier in the trunk. 
Check
out src/test/com/ibm/jaql/storageTextQueries.txt for examples. In the case of 
CSV
files, issuing read(del("filename")) is sufficient.

Note that there are two Google groups related to Jaql: jaql-user and 
jaql-devel. You
can find links to them on the right-hand side of the "project home" tab.

Original comment by Rainer.G...@gmx.de on 7 Dec 2009 at 6:07

GoogleCodeExporter commented 8 years ago

Original comment by Rainer.G...@gmx.de on 1 Feb 2010 at 8:13