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https://issues.apache.org/jira/browse/SOLR-6194?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aaron LaBella reopened SOLR-6194:
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Thanks shalin! I'm attaching one more small patch that opens up a couple
other methods. Now with these fixes I have the ability to actually run the
entity queries from my data import handler for easier debug/inspection,
*without* actually having to run an import. Can you please review and commit
this small patch as well?
Aaron
> Allow access to DataImporter and DIHConfiguration
> -------------------------------------------------
>
> Key: SOLR-6194
> URL: https://issues.apache.org/jira/browse/SOLR-6194
> Project: Solr
> Issue Type: Improvement
> Components: contrib - DataImportHandler
> Affects Versions: 4.10
> Reporter: Aaron LaBella
> Assignee: Shalin Shekhar Mangar
> Fix For: 4.10
>
> Attachments: SOLR-6194.patch, SOLR-6194.patch
>
> Original Estimate: 2h
> Remaining Estimate: 2h
>
> I'd like to change the visibility and access to a couple of the internal
> classes of DataImportHandler, specifically DataImporter and DIHConfiguration.
> My reasoning is that I've added the ability for a new data import handler
> "command" called *getquery* that will return the exact queries (fully
> resolved) that are executed for an entity within the data import
> configuration. This makes it much easier to debug the dih, rather than
> turning on debug/verbose flags and digging through the raw response.
> Additionally, it gives me a "service" that I can then go take the queries
> from and run them.
> Here's a snippet of Java code that I can now execute now that I have access
> to the DIHConfiguration:
> {code:title=Snippet.java|borderStyle=solid}
> /**
> * @return a map of all the queries for each entity in the given config
> */
> protected Map<String,String> getEntityQueries(DIHConfiguration config,
> Map<String,Object> params)
> {
> Map<String,String> queries = new LinkedHashMap<>();
> if (config != null && config.getEntities() != null)
> {
> //make a new variable resolve
> VariableResolver vr = new VariableResolver();
> vr.addNamespace("dataimporter.request",params);
> //for each entity
> for (Entity e : config.getEntities())
> {
> //get the query and resolve it
> if (e.getAllAttributes().containsKey(SqlEntityProcessor.QUERY))
> {
> String query = e.getAllAttributes().get(SqlEntityProcessor.QUERY);
> query = query.replaceAll("\\s+", " ").trim();
> String resolved = vr.replaceTokens(query);
> resolved = resolved.replaceAll("\\s+", " ").trim();
> queries.put(e.getName(),resolved);
> queries.put(e.getName()+"_raw",query);
> }
> }
> }
> return queries;
> }
> {code}
> I'm attaching a patch that I would appreciate someone have a look for
> consideration. It's fully tested -- please let me know if there is something
> else I need to do/test.
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