"Rajesh Kumar Mallah" <mallah.rajesh@gmail.com> writes:
> I am doing equality comparisons on type tsvector using tsvector_eq.
> How come a comparison that returns true before starts returning false
> afterwards ? (see results of case 1 and 3)
IIRC, Teodor fixed a number of tsvector comparison bugs in 8.1.5 ...
try updating. (You might need to REINDEX any tsearch2 indexes
afterwards, not sure.)
regards, tom lane