Point number 3 from that wiki says it all:
3.The document sets from each filter query are cached independently. Thus,
concerning the previous examples: use a single fq containing two mandatory
clauses if those clauses appear together often, and use two separate fq
params if they are relatively independent.
FWIW, there is not "&" operator in Lucene/Solr query syntax. There is the
"&&" operator which is equivalent to "AND", but each of the ampersands must
be URL-encoded as %26 to use them in a query in a URL.
So, yes, you can use the "AND" operator, as:
fq=term1:foo AND fq=term2:bar
or
fq=term1:foo %26%26 fq=term2:bar
Note that this is not valid in a URL:
fq=term1:foo & fq=term2:bar
It must be written as:
fq=term1:foo &fq=term2:bar
The "&" marks the start of a new query parameter - but that is "query" in
the sense of the URL query, not a Solr query. The "&" must be immediately
followed by the parameter name and an "=".
-- Jack Krupansky
-----Original Message-----
From: geeky2
Sent: Monday, March 11, 2013 4:41 PM
To: solr-user@lucene.apache.org
Subject: question about syntax for multiple terms in filter query
hello everyone,
i have a question on the filter query syntax for multiple terms, after
reading this:
http://wiki.apache.org/solr/CommonQueryParameters#fq
i see from the above that two (2) syntax constructs are supported
fq=term1:foo & fq=term2:bar
and
fq=+term1:foo +term2:bar
is there a reason why i would want to use one syntax over the other?
does the first syntax support the "and" operand as well as the "&"?
thx
mark
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