DB Import RequestHandler
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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
Priority: Minor
Fix For: 1.3
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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