pgsql: Provide moving-aggregate support for boolean aggregates.

Provide moving-aggregate support for boolean aggregates.

David Rowley and Florian Pflug, reviewed by Dean Rasheed

Branch
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master

Details
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http://git.postgresql.org/pg/commitdiff/d95425c8b9d3ea1681bd91b76ce73be95ca5ee21

Modified Files
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src/backend/utils/adt/bool.c         |  109 ++++++++++++++++++++++++++++++++--
src/include/catalog/catversion.h     |    2 +-
src/include/catalog/pg_aggregate.h   |    6 +-
src/include/catalog/pg_proc.h        |    8 +++
src/include/utils/builtins.h         |    4 ++
src/test/regress/expected/window.out |   12 ++++
src/test/regress/sql/window.sql      |    4 ++
7 files changed, 137 insertions(+), 8 deletions(-)