Add a transform function for numeric typmod coercisions. This enables ALTER TABLE to skip table and index rebuilds when a column is changed to an unconstrained numeric, or when the scale is unchanged and the precision does not decrease.
Noah Misch, with a few stylistic changes and a fix for an OID collision by me. Branch ------ master Details ------- http://git.postgresql.org/pg/commitdiff/3cc0800829a6dda5347497337b0cf43848da4acf Modified Files -------------- src/backend/utils/adt/numeric.c | 48 ++++++++++++++++++++++++++++++++++++++ src/include/catalog/catversion.h | 2 +- src/include/catalog/pg_proc.h | 4 ++- src/include/utils/builtins.h | 1 + 4 files changed, 53 insertions(+), 2 deletions(-) -- Sent via pgsql-committers mailing list ([email protected]) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-committers
