Gregory Stark <stark@enterprisedb.com> writes:
>> On Sun, 26 Aug 2007, Benjamin Arai wrote:
>>> So, I built my tables which contains a TSearch2 field by
>>> 1. Create table without indexes
>>> 2. COPY data into table
>>> 3. ALTER TABLE tblMessages ADD COLUMN idxFTI tsvector;
>>> 4. UPDATE tblMessages SET idxFTI=to_tsvector('default', strMessage);
> Or you could set up a trigger to generate the tsvector when you first
> load the data instead of adding it later.
You're going to want such a trigger anyway, so installing it before the
COPY step seems like the Obviously Right Thing. Any other approach
implies rewriting the entire table after you've loaded it, with no
compensating advantage that I can see.
regards, tom lane