Tom Lane wrote:
The problem with this approach is how to select the part of the document
to index. How will you ensure you're not ignoring the more important
words of the document?
IMHO Postgres shouldn't decide it; it would be good if an user could set
it runtime and/or on postgresql.conf.
I don't think that follows. A tsearch index is lossy anyway, so there's
no hard and fast reason why it should reject entries that it can't index
completely. I think it would be more useful to index whatever it can
(probably just the words in the first N bytes of the document) than to
prevent you from storing the document.
Euler Taveira de Oliveira
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