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Posted to dev@pig.apache.org by "Ashutosh Chauhan (JIRA)" <ji...@apache.org> on 2010/08/03 20:05:18 UTC

[jira] Commented: (PIG-1229) allow pig to write output into a JDBC db

    [ https://issues.apache.org/jira/browse/PIG-1229?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12894963#action_12894963 ] 

Ashutosh Chauhan commented on PIG-1229:
---------------------------------------

I am still getting the same exception 
{code}
java.io.IOException: JDBC Error
        at org.apache.pig.piggybank.storage.DBStorage.prepareToWrite(DBStorage.java:291)
        at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigOutputFormat$PigRecordWriter.<init>(PigOutputFormat.java:124)
        at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigOutputFormat.getRecordWriter(PigOutputFormat.java:85)
        at org.apache.hadoop.mapred.MapTask$NewDirectOutputCollector.<init>(MapTask.java:488)
        at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:610)
        at org.apache.hadoop.mapred.MapTask.run(MapTask.java:305)
        at org.apache.hadoop.mapred.Child.main(Child.java:170)
Caused by: java.sql.SQLException: Table not found in statement [insert into ttt (id, name, ratio) values (?,?,?)]
        at org.hsqldb.jdbc.Util.throwError(Unknown Source)
        at org.hsqldb.jdbc.jdbcPreparedStatement.<init>(Unknown Source)
        at org.hsqldb.jdbc.jdbcConnection.prepareStatement(Unknown Source)
        at org.apache.pig.piggybank.storage.DBStorage.prepareToWrite(DBStorage.java:288)
        ... 6 more
{code}

Reading through few internet forums it seems that there are subtle differences in "stand-alone" mode Vs "server" mode of hsqldb . May be starting hsqldb instance in server mode would alleviate the problem.

> allow pig to write output into a JDBC db
> ----------------------------------------
>
>                 Key: PIG-1229
>                 URL: https://issues.apache.org/jira/browse/PIG-1229
>             Project: Pig
>          Issue Type: New Feature
>          Components: impl
>            Reporter: Ian Holsman
>            Assignee: Ankur
>            Priority: Minor
>             Fix For: 0.8.0
>
>         Attachments: jira-1229-final.patch, jira-1229-final.test-fix.patch, jira-1229-v2.patch, jira-1229-v3.patch, pig-1229.2.patch, pig-1229.patch
>
>
> UDF to store data into a DB

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