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synapse-product/synapse/storage/schema/state/delta
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Erik Johnston 3acf85c85f
Reduce likelihood of Postgres table scanning state_groups_state. (#10359) 
The postgres statistics collector sometimes massively underestimates the
number of distinct state groups are in the `state_groups_state`, which
can cause postgres to use table scans for queries for multiple state
groups.

We fix this by manually setting `n_distinct` on the column.
2021-07-15 16:02:12 +01:00
..
23 Reorganise the database schema directories (#9932) 2021-05-07 10:22:05 +01:00
30 Reorganise the database schema directories (#9932) 2021-05-07 10:22:05 +01:00
32 Reorganise the database schema directories (#9932) 2021-05-07 10:22:05 +01:00
35 Reorganise the database schema directories (#9932) 2021-05-07 10:22:05 +01:00
47 Reorganise the database schema directories (#9932) 2021-05-07 10:22:05 +01:00
56 Reorganise the database schema directories (#9932) 2021-05-07 10:22:05 +01:00
61 Reduce likelihood of Postgres table scanning state_groups_state. (#10359) 2021-07-15 16:02:12 +01:00