<dataConfig>
     <dataSource type="JdbcDataSource"
        driver="org.postgresql.Driver"
        url="jdbc:postgresql://<ip>:<port>;databaseName=<myDB>"
        user="<user>"
        password="<password>"
        readOnly="True"/>

     <document>
      <entity name="library" query="<query that works everywhere but via solr for 'id' and 'value'>">
       <field column="id" name="id" />
       <field column="value" name="title" />
      </entity>
     </document>
    </dataConfig>

Mar 28, 2013 1:41:36 PM org.apache.solr.common.SolrException log
    SEVERE: Full Import failed:java.lang.RuntimeException: java.lang.RuntimeException: org.apache.solr.handler.dataimport.DataImportHandlerException: Unable to execute query: SELECT id, value FROM pg_evergreen.metabib.title_field_entry Processing Document # 1
         at org.apache.solr.handler.dataimport.DocBuilder.execute(DocBuilder.java:264)
         at org.apache.solr.handler.dataimport.DataImporter.doFullImport(DataImporter.java:375)
         at org.apache.solr.handler.dataimport.DataImporter.runCmd(DataImporter.java:445)
         at org.apache.solr.handler.dataimport.DataImporter$1.run(DataImporter.java:426)
    Caused by: java.lang.RuntimeException: org.apache.solr.handler.dataimport.DataImportHandlerException: Unable to execute query: SELECT id, value FROM pg_evergreen.metabib.title_field_entry Processing Document # 1
         at org.apache.solr.handler.dataimport.DocBuilder.buildDocument(DocBuilder.java:621)
         at org.apache.solr.handler.dataimport.DocBuilder.doFullDump(DocBuilder.java:327)
         at org.apache.solr.handler.dataimport.DocBuilder.execute(DocBuilder.java:225)
         ... 3 more
    Caused by: org.apache.solr.handler.dataimport.DataImportHandlerException: Unable to execute query: SELECT id, value FROM pg_evergreen.metabib.title_field_entry Processing Document # 1
         at org.apache.solr.handler.dataimport.DataImportHandlerException.wrapAndThrow(DataImportHandlerException.java:72)
         at org.apache.solr.handler.dataimport.JdbcDataSource$ResultSetIterator.<init>(JdbcDataSource.java:253)
         at org.apache.solr.handler.dataimport.JdbcDataSource.getData(JdbcDataSource.java:210)
         at org.apache.solr.handler.dataimport.JdbcDataSource.getData(JdbcDataSource.java:39)
         at org.apache.solr.handler.dataimport.SqlEntityProcessor.initQuery(SqlEntityProcessor.java:59)
         at org.apache.solr.handler.dataimport.SqlEntityProcessor.nextRow(SqlEntityProcessor.java:73)
         at org.apache.solr.handler.dataimport.EntityProcessorWrapper.pullRow(EntityProcessorWrapper.java:330)
         at org.apache.solr.handler.dataimport.EntityProcessorWrapper.nextRow(EntityProcessorWrapper.java:296)
         at org.apache.solr.handler.dataimport.DocBuilder.buildDocument(DocBuilder.java:683)
         at org.apache.solr.handler.dataimport.DocBuilder.buildDocument(DocBuilder.java:619)
         ... 5 more
    Caused by: java.lang.NullPointerException
         at org.apache.solr.handler.dataimport.JdbcDataSource$ResultSetIterator.<init>(JdbcDataSource.java:241)
         ... 13 more

    Mar 28, 2013 1:41:36 PM org.apache.solr.update.DirectUpdateHandler2 rollback
    INFO: start rollback
    Mar 28, 2013 1:41:36 PM org.apache.solr.update.DirectUpdateHandler2 rollback
    INFO: end_rollback