Solr Delta Import Query is deleting everything in the -


i trying delta import query working solr schema. when full import solr index gets populated correctly. however, when try , delta import, looks processes - , gives following result in solr gui:

indexing completed. added/updated: 0 documents. deleted 0 documents. requests: 1, fetched: 0, skipped: 0, processed: 0

this correct, database should have no updates since full query.

however, when full query of core after delta update, shows documents gone, , core empty! of doing through solr web admin gui.

here delta import handler config file:

<entity name="episode" query="select episode_id db.episode"   deltaquery="select episode_id db.episode last_modified &gt; '${dih.last_index_time}'"   deltaimportquery="select episode_id db.episode episode_id = '${dih.delta.episode_id}'"> </entity>

here relevant stuff in schema file:

<fields>     <field name='episode_id' indexed="true" stored="true" type='int' required="true"/> </fields>

and here dih stuff in solrconfig.xml:

<lib dir="${solr.install.dir:../../../..}/lib/" regex="mysql-connector-java-5.1.35-bin.jar" /> <lib dir="${solr.install.dir:../../../..}/dist/" regex="solr-dataimporthandler-.*\.jar" /> <requesthandler name="/dataimport" class="org.apache.solr.handler.dataimport.dataimporthandler">   <lst name="defaults">     <str name="config">episodedihconfigfile.xml</str>   </lst> </requesthandler>

any ideas why happening? thought delta query add index, , not delete everything! appreciated...

since you're using admin gui, i'm going guess have little "clean" checkbox ticked, means import starts clean flag set true. uncheck box , try again.

if set clean true, entire index wiped before indexing begins. useful full-imports, not deltas!


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