pgsql: Constructors for interval, timestamp, timestamptz

Constructors for interval, timestamp, timestamptz

Author: Pavel Stěhule, editorialized somewhat by Álvaro Herrera
Reviewed-by: Tomáš Vondra, Marko Tiikkaja
With input from Fabrízio de Royes Mello, Jim Nasby

Branch
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master

Details
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http://git.postgresql.org/pg/commitdiff/84df54b22e8035addc7108abd9ff6995e8c49264

Modified Files
--------------
doc/src/sgml/func.sgml                    |   77 +++++++++
src/backend/catalog/system_views.sql      |    9 +
src/backend/utils/adt/datetime.c          |    6 +-
src/backend/utils/adt/timestamp.c         |  264 +++++++++++++++++++++++++++++
src/include/catalog/catversion.h          |    2 +-
src/include/catalog/pg_proc.h             |   10 +-
src/include/utils/datetime.h              |    1 +
src/include/utils/timestamp.h             |    5 +
src/test/regress/expected/interval.out    |   45 +++++
src/test/regress/expected/timestamp.out   |    7 +
src/test/regress/expected/timestamptz.out |  114 +++++++++++++
src/test/regress/sql/interval.sql         |   14 ++
src/test/regress/sql/timestamp.sql        |    3 +
src/test/regress/sql/timestamptz.sql      |   37 ++++
14 files changed, 590 insertions(+), 4 deletions(-)