Further optimize multi-key GIN searches.
If we're skipping past a certain TID, avoid decoding posting list segments
that only contain smaller TIDs.
Extracted from Alexander Korotkov's fast scan patch, heavily modified.
Branch
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master
Details
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http://git.postgresql.org/pg/commitdiff/25b1dafab63f465a65c63b26834dc18857f0fa0c
Modified Files
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src/backend/access/gin/gindatapage.c | 38 ++++++++++++++++++++++++++++++----
src/backend/access/gin/ginget.c | 6 ++++--
src/include/access/gin_private.h | 2 +-
3 files changed, 39 insertions(+), 7 deletions(-)