Solr delta import does not work

Question

I am using solr 4.2. Note that full import works but somehow delta import doesn\'t. Delta import does not give any error but never fetches any changes. Here\'s the data config f

Answer 1

If you don't want to use ${dih.last_index_time} (server's time config problem), you can try mysql query like:

deltaImportQuery="SELECT * FROM table_name where id='${dataimporter.delta.id}'"
deltaQuery="select id from table_name where update_time  > SUBTIME( NOW( ) , '0:15:0' )

I used with crontab and worked fine!