=?utf-8?q?PG_Bug_reporting_form?= <noreply(at)postgresql(dot)org> writes:
> Unexpected behaviour:
> netry for 'hello' results in 255 despite 'hello' occurs 539 times in the
> attached test.
I think this is a consequence of the MAXNUMPOS limitation in the source
code, ie an individual tsvector won't store more than 255 locations for
the same word. That's intentional to keep common words from bloating
tsvectors too much. But if it's documented anywhere, I didn't see it.
regards, tom lane