|From:||Anastasia Lubennikova <a(dot)lubennikova(at)postgrespro(dot)ru>|
|To:||David Steele <david(at)pgmasters(dot)net>, pgsql-hackers(at)postgresql(dot)org|
|Subject:||Re: [WIP] Effective storage of duplicates in B-tree index.|
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Please, find the new version of the patch attached. Now it has WAL
Detailed description of the feature you can find in README draft
This patch is pretty complicated, so I ask everyone, who interested in
to help with reviewing and testing it. I will be grateful for any feedback.
But please, don't complain about code style, it is still work in progress.
Next things I'm going to do:
1. More debugging and testing. I'm going to attach in next message
couple of sql scripts for testing.
2. Fix NULLs processing
3. Add a flag into pg_index, that allows to enable/disable compression
for each particular index.
4. Recheck locking considerations. I tried to write code as less
invasive as possible, but we need to make sure that algorithm is still
5. Change BTMaxItemSize
6. Bring back microvacuum functionality.
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