Hello. There is patch that adds some editing routines for tsvector type.
tsvector delete(tsvector, text)
removes entry from tsvector by lexeme name
set unnest(tsvector)
expands a tsvector to a set of rows. Each row has following columns:
lexeme, postings, weights.
text[] to_array(tsvector)
converts tsvector to array of lexemes
tsvector to_tsvector(text[])
converts array of lexemes to tsvector
tsvector_funcs.diff
Description: Binary data
Stas Kelvich Postgres Professional: http://www.postgrespro.com The Russian Postgres Company
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