Обсуждение: pgsql: Don't use !! but != 0/NULL to force boolean evaluation.

Don't use !! but != 0/NULL to force boolean evaluation.

I introduced several uses of !! to force bit arithmetic to be boolean,
but per discussion the project prefers != 0/NULL.

Discussion: CA+TgmoZP5KakLGP6B4vUjgMBUW0woq_dJYi0paOz-My0Hwt_vQ@mail.gmail.com

Branch
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master

Details
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http://git.postgresql.org/pg/commitdiff/1a7a43672bf2939dda93a27d498349e7a4aa3c14

Modified Files
--------------
contrib/sepgsql/uavc.c                          |  2 +-
src/backend/access/transam/xact.c               |  3 ++-
src/backend/replication/logical/reorderbuffer.c |  2 +-
src/backend/storage/lmgr/lwlock.c               | 12 ++++++------
src/include/access/xact.h                       |  4 ++--
5 files changed, 12 insertions(+), 11 deletions(-)