Change the way we decide whether to give up on abbreviated text keys. Be more aggressive about aborting early on if it looks like it's not helping, but be less aggressive about aborting later on, since it's more expensive at that point, and also since we're currently aborting in some cases where abbreviation can still deliver a substantial win.
Peter Geoghegan. Extensive testing by Tomas Vondra. Branch ------ master Details ------- http://git.postgresql.org/pg/commitdiff/f85155e18cb71a599724536e598e8d6f5e140454 Modified Files -------------- src/backend/utils/adt/varlena.c | 45 +++++++++++++++++++++++++++++++++------ 1 file changed, 39 insertions(+), 6 deletions(-) -- Sent via pgsql-committers mailing list ([email protected]) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-committers
