pgsql: Add min and max aggregates for inet/cidr data types.

Add min and max aggregates for inet/cidr data types.

Haribabu Kommi, reviewed by Muhammad Asif Naeem

Branch
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master

Details
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http://git.postgresql.org/pg/commitdiff/6c40f8316ed38a92049784b3e3d3b514ed379b5a

Modified Files
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doc/src/sgml/func.sgml             |    6 ++++--
src/backend/utils/adt/network.c    |   27 +++++++++++++++++++++++++++
src/include/catalog/catversion.h   |    2 +-
src/include/catalog/pg_aggregate.h |    2 ++
src/include/catalog/pg_proc.h      |    8 ++++++++
src/include/utils/builtins.h       |    2 ++
src/test/regress/expected/inet.out |   12 ++++++++++++
src/test/regress/sql/inet.sql      |    3 +++
8 files changed, 59 insertions(+), 3 deletions(-)