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Import Sybase IQ Data into Apache Solr



Use the CData JDBC Driver for Sybase IQ in Data Import Handler and create an automated import of Sybase IQ data to Apache Solr Enterprise Search platform.

The Apache Solr platform is a popular, blazing-fast, open source enterprise search solution built on Apache Lucene.

Apache Solr is equipped with the Data Import Handler (DIH), which can import data from databases and, XML, CSV, and JSON files. When paired with the CData JDBC Driver for Sybase IQ, you can easily import Sybase IQ data to Apache Solr. In this article, we show step-by-step how to use CData JDBC Driver in Apache Solr Data Import Handler and import Sybase IQ data for use in enterprise search.

Create an Apache Solr Core and a Schema for Importing Sybase IQ

  1. Run Apache Solr and create a Core. > solr create -c CDataCore For this article, Solr is running as a standalone instance in the local environment and you can access the core at this URL: http://localhost:8983/solr/#/CDataCore/core-overview
  2. Create a schema consisting of "field" objects to represent the columns of the Sybase IQ data to be imported and a unique key for the entity. LastModifiedDate, if it exists in Sybase IQ, is used for incremental updates. If it does not exist, you cannot do the deltaquery in the later section. Save the schema in the managed-schema file created by Apache Solr.
  3. SybaseIQUniqueKey
  4. Install the CData Sybase IQ JDBC Driver. Copy the JAR and license file (cdata.sybaseiq.jar and cdata.jdbc.sybaseiq.lic) to the Solr directory.
    • CData JDBC JAR file: C:\Program Files\CData\CData JDBC Driver for Sybase IQ ####\lib
    • Apache Solr: solr-8.5.2\server\lib

Now we are ready to use Sybase IQ data in Solr.

Define an Import of Sybase IQ to Apache Solr

In this section, we walk through configuring the Data Import Handler.

  1. Modify the Config file of the created Core. Add the JAR file reference and add the DIH RequestHander definition. <lib dir="${solr.install.dir:../../../..}/dist/" regex="solr-dataimporthandler-.*\.jar" /> <requestHandler name="/dataimport" class="org.apache.solr.handler.dataimport.DataImportHandler"> <lst name="defaults"> <str name="config">solr-data-config.xml</str> </lst> </requestHandler>
  2. Next, create a solr-data-config.xml at the same level. In this article, we retrieve a table from Sybase IQ, but you can use a custom SQL query to request data as well. The Driver Class and a sample JDBC Connection string are in the sample code below. <dataConfig> <dataSource driver="cdata.jdbc.sybaseiq.SybaseIQDriver" url="jdbc:sybaseiq:User=myuser;Password=mypassword;Server=localhost;Database=Northwind"> </dataSource> <document> <entity name="Products" query="SELECT Id,SybaseIQColumn1,SybaseIQColumn2,SybaseIQColumn3,SybaseIQColumn4,SybaseIQColumn5,SybaseIQColumn6,SybaseIQColumn7,LastModifiedDate FROM Products" deltaQuery="SELECT Id FROM Products where LastModifiedDate >= '${dataimporter.last_index_time}'" deltaImportQuery="SELECT Id,SybaseIQColumn1,SybaseIQColumn2,SybaseIQColumn3,SybaseIQColumn4,SybaseIQColumn5,SybaseIQColumn6,SybaseIQColumn7,LastModifiedDate FROM Products where Id=${dataimporter.delta.Id}"> <field column="Id" name="Id" ></field> <field column="SybaseIQColumn1" name="SybaseIQColumn1" ></field> <field column="SybaseIQColumn2" name="SybaseIQColumn2" ></field> <field column="SybaseIQColumn3" name="SybaseIQColumn3" ></field> <field column="SybaseIQColumn4" name="SybaseIQColumn4" ></field> <field column="SybaseIQColumn5" name="SybaseIQColumn5" ></field> <field column="SybaseIQColumn6" name="SybaseIQColumn6" ></field> <field column="SybaseIQColumn7" name="SybaseIQColumn7" ></field> <field column="LastModifiedDate" name="LastModifiedDate" ></field> </entity> </document> </dataConfig>
  3. In the query section, set the SQL query that select the data from Sybase IQ. deltaQuery and deltaImportquery define the ID and the conditions when using incremental updates from the second import of the same entity.
  4. After all settings are done, restart Solr. > solr stop -all > solr start

Run a DataImport of Sybase IQ Data.

  1. Execute DataImport from the URL below:
    http://localhost:8983/solr/#/CDataCore/dataimport//dataimport
  2. Select the "full-import" Command, choose the table from Entity, and click "Execute."
  3. Check the result of the import from the Query.
  4. Try an incremental update using deltaQuery. Modify some data in the original Sybase IQ data set. Select the "delta-import" command this time from DataImport window and click "Execute."
  5. Check the result of the incremental update.

Using the CData JDBC Driver for Sybase IQ you are able to create an automated import of Sybase IQ data into Apache Solr. Download a free, 30 day trial of any of the 200+ CData JDBC Drivers and get started today.