Changing the default operator from OR to AND in Solr (Magento Enterprise)

Question

I\'m using Solr with Magento Enterprise. I\'m trying to change the default search operator from OR to AND to make searches more specific by default.

Answer 1

My question is not so much about the syntax but where to configure this so it applies to all searches.

To answer your question, I am quite sure that we need to specify the default operator for solrQueryParser in schema.xml and not in solrconfig.xml. As you mentioned, it is given as,

< solrQueryParser defaultOperator="AND"/>

The reason why you did not get expected results may be because of the following reason:

If your search URL is something like,

q=articles_summary:red+jacket

Then what happens is, "red" is searched against field "articles_summary" but "jacket" is searched against your default search field (say "text") which if I am right will be a copy field containing copy of all searchable fields. Hence you will get a match for "red" in "articles_summary" and "jacket" in "text".

To get what you expect, I suggest you use something like following URL after setting default operation to AND as you already did:

q=articles_summary:red+articles_summary:jacket

If you have multiple fields to search, you may have to do like this:

q=articles_summary:red+articles_summary:jacket+articles_title:red+articles_title:jacket