<lbarcala@xxxxxxxxxxxxxxxx> writes: > Hi all: > > I'm trying to create a functional index into column position of token > table (see below). I want to make something like: > > CREATE INDEX token_position_func > ON token (position+1); > > but I get: > > test=# CREATE INDEX token_position_func > test-# ON token (position+1); > ERROR: syntax error at or near "+" > LINE 2: ON token (position+1); > I think you just need another set of parentheses: CREATE INDEX token_position_func on (token(position+1)) Unless you're on a very old version of Postgres, I think 7.3 which had functional indexes but not expression indexes. -- Gregory Stark EnterpriseDB http://www.enterprisedb.com Ask me about EnterpriseDB's On-Demand Production Tuning
