Add transform functions for various temporal typmod coercisions.
This enables ALTER TABLE to skip table and index rebuilds in some cases.
Noah Misch, with trivial changes by me.
Branch
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master
Details
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http://git.postgresql.org/pg/commitdiff/c13897983a0006e658fb7c6410d72ca59fb87136
Modified Files
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src/backend/utils/adt/date.c | 11 +++++
src/backend/utils/adt/datetime.c | 35 +++++++++++++++
src/backend/utils/adt/timestamp.c | 86 +++++++++++++++++++++++++++++++++++++
src/include/catalog/catversion.h | 2 +-
src/include/catalog/pg_proc.h | 16 +++++--
src/include/utils/date.h | 1 +
src/include/utils/datetime.h | 3 +
src/include/utils/timestamp.h | 2 +
8 files changed, 150 insertions(+), 6 deletions(-)