From: | Peter Geoghegan <pg(at)bowt(dot)ie> |
---|---|
To: | pgsql-committers(at)lists(dot)postgresql(dot)org |
Subject: | pgsql: Remove block number field from nbtree stack. |
Date: | 2019-08-14 18:33:19 |
Message-ID: | E1hxy5H-0001n5-Cw@gemulon.postgresql.org |
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Thread: | |
Lists: | pgsql-committers |
Remove block number field from nbtree stack.
The initial value of the nbtree stack downlink block number field
recorded during an initial descent of the tree wasn't actually used.
Both _bt_getstackbuf() callers overwrote the value with their own value.
Remove the block number field from the stack struct, and add a child
block number argument to _bt_getstackbuf() in its place. This makes the
overall design of _bt_getstackbuf() clearer.
Author: Peter Geoghegan
Reviewed-By: Anastasia Lubennikova
Discussion: https://postgr.es/m/CAH2-Wzmx+UbXt2YNOUCZ-a04VdXU=S=OHuAuD7Z8uQq-PXTYUg@mail.gmail.com
Branch
------
master
Details
-------
https://git.postgresql.org/pg/commitdiff/9c02cf56614366769682bb8b3f4e9eecf8f237c4
Modified Files
--------------
src/backend/access/nbtree/README | 8 +++++-
src/backend/access/nbtree/nbtinsert.c | 46 +++++++++++++++++++++++------------
src/backend/access/nbtree/nbtpage.c | 3 +--
src/backend/access/nbtree/nbtsearch.c | 19 +++++----------
src/include/access/nbtree.h | 16 +++++-------
5 files changed, 50 insertions(+), 42 deletions(-)
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