Re: Retaining a field value during DataImport

2016-09-26 Thread Selvam
Hi, Thanks, I will look into options specified. On Mon, Sep 26, 2016 at 4:35 PM, Alexandre Rafalovitch wrote: > Transformers do not see what's in the Solr index, they are too early > in the processing chain. > > You could probably do something by exporting that field's value, > caching it and

Re: Retaining a field value during DataImport

2016-09-26 Thread Alexandre Rafalovitch
Transformers do not see what's in the Solr index, they are too early in the processing chain. You could probably do something by exporting that field's value, caching it and injecting it back with transformer from that cache. Messy but doable. UpdateRequestProcessor would be able to do it, but yo

Retaining a field value during DataImport

2016-09-26 Thread Selvam
Hi All, We use DataImportHandler to import data from Redshift. We want to overwrite some 250M existing records (that has around 350 columns) while retaining the field value of only one column in those 250M records. The reason is, that one column is a multi-valued and requires a costly query to bui