In article <44E4A209.4080106@xxxxxxxxx>, gustavo halperin <ggusti@xxxxxxxxx> writes: > Hello > I'm interesting in a partial index for a rows that aren't older than > 6 mounts, something like the sentence below: > / CREATE INDEX name_for_the_index ON table > (the_column_of_type_date) WHERE ( the_column_of_type_date > > (current_date - interval '6 month')::date );/ > But this is not posible, I receive the next error: > /ERROR: functions in index predicate must be marked IMMUTABLE/ > So, what is the best solution for my problem? Use a fixed date 6 months ago, and regularly recreate the index.
