tree 8e95cb525ad6aa79f80063ba727b11144aeea93e
parent dfbd29d0c6e21abeb9eef6a0968bd8fbc58b37ba
author Orhan Kislal <okislal@apache.org> 1636666841 -0500
committer GitHub <noreply@github.com> 1636666841 -0500
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@orhankislal WCC: Optimize subtx count and catalog entry frequency (#573)

* WCC: Optimize subtx count and catalog entry frequency

WCC had a high number of plpy.execute commands. Since each call
creates a new subtransaction, it was constantly hitting the
overflow limit. This commit merges most of them.

WCC also created and dropped temp tables in each iteration.
This bloats the catalog, so this commit uses a few actual
tables and uses truncate/insert.