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Nope, nothing like that in our grammar. The intent is that SRU is a machine interface and software can turn a user query like you propose into the CQL query. However, there is an easier way to do what you want. title = sea and title any "fish or turtle" This does the same thing. The "any" relation puts an implicit "OR" between the terms and the relation "all" puts an implicit "AND" between the terms. Hope this helps! Ralph > -----Original Message----- > From: SRU (Search and Retrieve Via URL) Implementors > [mailto:[log in to unmask]] On Behalf Of Tim Williams > Sent: Thursday, September 02, 2010 1:12 PM > To: [log in to unmask] > Subject: Boolean search within an index > > I have this need to support complex boolean queries within a field. > I'd like to not have to repeat the 'index relation' over and over > within the statement. Rather, I'd like something like > > title = ((fish OR turtle) AND sea) - though, much more complex - > and don't want to have to write: > > ((title = fish OR title = turtle) AND title = sea) > > Logically, it's just projecting the index and relation upon the > enclosed terms. Before we depart from the CQL spec I thought I'd see > if there was a way to get similar 'shortcutting' using build-in > extension mechanisms? > > Thanks, > --tim