[jira] Updated: (SOLR-469) Data Import RequestHandler

["Shalin Shekhar Mangar (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SOLR-469?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Shalin Shekhar Mangar updated SOLR-469:
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    Attachment: SOLR-469.patch

A new patch file (SOLR-469.patch) consisting of some important bug fixes and minor enhancements. The changes and the corresponding classes are given below

*Changes*
* Set fetch size to Integer.MIN_VALUE if batchSize in configuration is -1 as per Patrick's suggestion -- JdbcDataSource
* Transformers can add a boost to a document by adding a key/value pair row.put("$docBoost", 2.0f) from any entity -- DocBuilder,SolrWriter and DataImportHandler
* Fixes for infinite loop in SqlEntityProcessor when delta query fails for some reason and NullPointerException is thrown in EntityProcessorBase -- EntityProcessorBase
* Fix for NullPointerException in TemplateTransformer and corresponding test -- TemplateTransformer, TestTemplateTransformer
* Enhancement for specifying table.column syntax for pk attribute in entity as per issue reported by Chris Moser and Olivier Poitrey -- SqlEntityProcessor,TestSqlEntityProcessor2
* Fix for NullPointerException in XPathRecordReader when attribute specified through xpath is null -- XPathRecordReader, TestXPathRecordReader
* Enhancement to DataSource interface to provide a close method -- DataSource, FileDataSource, HttpDataSource, MockDataSource
* Context interface has a new method getDataSource(String entityName) for getting a new DataSource instance for the given entity -- Context, ContextImpl, DataImporter, DocBuilder
* FileListEntityProcessor implements olderThan and newerThan filtering parameters -- FileListEntityProcessor, TestFileListEntityProcessor
* Debug Mode can be disabled from solrconfig.xml by enableDebug=false -- DataImporter, DataImportHandler
* Running statistics are exposed on the Solr Statistics page in addition to cumulative statictics -- DataImportHandler, DocBuilder

> Data Import RequestHandler
> --------------------------
>
>                 Key: SOLR-469
>                 URL: https://issues.apache.org/jira/browse/SOLR-469
>             Project: Solr
>          Issue Type: New Feature
>          Components: update
>    Affects Versions: 1.3
>            Reporter: Noble Paul
>            Assignee: Grant Ingersoll
>             Fix For: 1.3
>
>         Attachments: SOLR-469-contrib.patch, SOLR-469.patch, SOLR-469.patch, SOLR-469.patch, SOLR-469.patch, SOLR-469.patch, SOLR-469.patch, SOLR-469.patch, SOLR-469.patch, SOLR-469.patch
>
>
> We need a RequestHandler Which can import data from a DB or other dataSources into the Solr index .Think of it as an advanced form of SqlUpload Plugin (SOLR-103).
> The way it works is as follows.
>     * Provide a configuration file (xml) to the Handler which takes in the necessary SQL queries and mappings to a solr schema
>           - It also takes in a properties file for the data source configuraution
>     * Given the configuration it can also generate the solr schema.xml
>     * It is registered as a RequestHandler which can take two commands do-full-import, do-delta-import
>           -  do-full-import - dumps all the data from the Database into the index (based on the SQL query in configuration)
>           - do-delta-import - dumps all the data that has changed since last import. (We assume a modified-timestamp column in tables)
>     * It provides a admin page
>           - where we can schedule it to be run automatically at regular intervals
>           - It shows the status of the Handler (idle, full-import, delta-import)

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