A side note that might help: if I change the dataField from 'db.blob'
to 'blob', this DIH stack emits no documents.
On 10/5/09, Lance Norskog <goks...@gmail.com> wrote:
> I've added a unit test for the problem down below. It feeds document
> field data into the XPathEntityProcessor via the
> FieldReaderDataSource, and the XPath EP does not emit unpacked fields.
>
> Running this under the debugger, I can see the supplied StringReader,
> with the XML string, being piped into the XPath EP. But somehow the
> XPath EP does not pick it apart the right way.
>
> Here is the DIH configuration file separately.
>
> <dataConfig>
> <dataSource type='FieldReaderDataSource' name='fc' />
> <dataSource type='MockDataSource' name='db' />
> <document>
> <entity name='db' query='select * from x' dataSource='db'>
> <field column='dbid' />
> <field column='tag' />
> <field column='blob' />
> <entity name='unpack' dataSource='fc'
> processor='XPathEntityProcessor'
> forEach='/names' dataField='db.blob'>
> <field column='name' xpath='/names/name' />
> </entity>
> </entity>
> </document>
> </dataConfig>
>
> Any ideas?
>
> ---------------------------------------------------------------------------------------
>
> package org.apache.solr.handler.dataimport;
>
> import static
> org.apache.solr.handler.dataimport.AbstractDataImportHandlerTest.createMap;
> import junit.framework.TestCase;
>
> import java.util.ArrayList;
> import java.util.HashMap;
> import java.util.List;
> import java.util.Map;
>
> import org.apache.solr.common.SolrInputDocument;
> import org.apache.solr.common.SolrInputField;
> import org.apache.solr.handler.dataimport.TestDocBuilder.SolrWriterImpl;
> import org.junit.Test;
>
> /*
> * Demonstrate problem feeding XPathEntity from a FieldReaderDatasource
> */
>
> public class TestFieldReaderXPath extends TestCase {
> static final String KISSINGER = "<names><name>Henry</name></names>";
>
> static final String[][][] DBDOCS = {
> {{"dbid", "1"}, {"blob", KISSINGER}},
> };
>
> /*
> * Receive a row from SQL and fetch a row from Solr - no value matching
> * stolen from TestDocBuilder
> * */
>
> @Test
> public void testSolrEmbedded() throws Exception {
> try {
> DataImporter di = new DataImporter();
> di.loadDataConfig(dih_config_FR_into_XP);
> DataImporter.RequestParams rp = new
> DataImporter.RequestParams();
> rp.command = "full-import";
> rp.requestParams = new HashMap<String, Object>();
>
> DataConfig cfg = di.getConfig();
> DataConfig.Entity entity = cfg.document.entities.get(0);
> List<Map<String,Object>> l = new
> ArrayList<Map<String,Object>>();
> addDBDocuments(l);
> MockDataSource.setIterator("select * from x",
> l.iterator());
> entity.dataSrc = new MockDataSource();
> entity.isDocRoot = true;
> SolrWriterImpl swi = new SolrWriterImpl();
> di.runCmd(rp, swi);
>
> assertEquals(1, swi.docs.size());
> SolrInputDocument doc = swi.docs.get(0);
> SolrInputField field;
> field = doc.getField("dbid");
> assertEquals(field.getValue().toString(), "1");
> field = doc.getField("blob");
> assertEquals(field.getValue().toString(), KISSINGER);
> field = doc.getField("name");
> assertNotNull(field);
> assertEquals(field.getValue().toString(), "Henry");
> } finally {
> MockDataSource.clearCache();
> }
> }
>
>
> private void addDBDocuments(List<Map<String, Object>> l) {
> for(String[][] dbdoc: DBDOCS) {
> l.add(createMap(dbdoc[0][0], dbdoc[0][1], dbdoc[1][0],
> dbdoc[1][1]));
> }
> }
>
> String dih_config_FR_into_XP = "<dataConfig>\r\n" +
> " <dataSource type='FieldReaderDataSource' name='fc' />\r\n" +
> " <dataSource type='MockDataSource' name='db' />\r\n" +
> " <document>\r\n" +
> " <entity name='db' query='select * from x' dataSource='db'>\r\n"
> +
> " <field column='dbid' />\r\n" +
> " <field column='tag' />\r\n" +
> " <field column='blob' />\r\n" +
> " <entity name='unpack' dataSource='fc'
> processor='XPathEntityProcessor'\r\n" +
> " forEach='/names' dataField='db.blob'>\r\n" +
> " <field column='name' xpath='/names/name' />\r\n" +
> " </entity>\r\n" +
> " </entity>\r\n" +
> " </document>\r\n" +
> "</dataConfig>\r\n"
> ;
>
>
> }
>
--
Lance Norskog
goks...@gmail.com
