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feat: Add timestamp to msgs_index7 to employ it in calc_sort_timestamp()

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Tested on some random chat, the SQL query took 1.411202ms (vs 6.692714ms before) in median. Still
looks a bit slow, but already better.
This commit is contained in:
iequidoo
2025-09-08 04:56:57 -03:00
committed by link2xt
parent e286d72614
commit 21b1abbec4
4 changed files with 23 additions and 12 deletions
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12
src/sql/migrations.rs
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@@ -1271,6 +1271,18 @@ CREATE INDEX gossip_timestamp_index ON gossip_timestamp (chat_id, fingerprint);
.await?;
}
inc_and_check(&mut migration_version, 135)?;
if dbversion < migration_version {
// Tweak the index for `chat::calc_sort_timestamp()`.
sql.execute_migration(
"UPDATE msgs SET state=26 WHERE state=28;
DROP INDEX IF EXISTS msgs_index7;
CREATE INDEX msgs_index7 ON msgs (state, hidden, chat_id, timestamp);",
migration_version,
)
.await?;
}
let new_version = sql
.get_raw_config_int(VERSION_CFG)
.await?