Re: Optimizing pg_trgm makesign() (was Re: WIP: Fast GiST index build)

On 24.06.2011 21:24, Robert Haas wrote:
> Out of curiosity (and because there is no comment or Assert here), how
> can you be so sure of the input alignment?

The input TRGM to makesign() is a varlena, so it must be at least 4-byte 
aligned. If it was not for some reason, the existing VARSIZE invocation 
(within GETARR()) would already fail on platforms that are strict about 
alignment.

--   Heikki Linnakangas  EnterpriseDB   http://www.enterprisedb.com