Add a transform function for varbit typmod coercisions. This enables ALTER TABLE to skip table and index rebuilds when the new type is unconstraint varbit, or when the allowable number of bits is not decreasing.
Noah Misch, with review and a fix for an OID collision by me. Branch ------ master Details ------- http://git.postgresql.org/pg/commitdiff/f7d7dade8afe19847510efe44be191c35e1ce26c Modified Files -------------- src/backend/utils/adt/varbit.c | 35 +++++++++++++++++++++++++++++++++++ src/include/catalog/catversion.h | 2 +- src/include/catalog/pg_proc.h | 4 +++- src/include/utils/varbit.h | 1 + 4 files changed, 40 insertions(+), 2 deletions(-) -- Sent via pgsql-committers mailing list ([email protected]) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-committers
