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Add UNIQUE constraint to acpeerstates table

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link2xt
2022-11-25 22:08:57 +00:00
parent 2ae9165bfb
commit 62f92d5b28
1 changed files with 33 additions and 0 deletions
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33
src/sql/migrations.rs
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@@ -616,6 +616,39 @@ CREATE INDEX smtp_messageid ON imap(rfc724_mid);
)
.await?;
}
if dbversion < 94 {
sql.execute_migration(
// Create new `acpeerstates` table, same as before but with unique constraint.
//
// This allows to use `UPSERT` to update existing or insert a new peerstate
// depending on whether one exists already.
"CREATE TABLE new_acpeerstates (
id INTEGER PRIMARY KEY,
addr TEXT DEFAULT '' COLLATE NOCASE,
last_seen INTEGER DEFAULT 0,
last_seen_autocrypt INTEGER DEFAULT 0,
public_key,
prefer_encrypted INTEGER DEFAULT 0,
gossip_timestamp INTEGER DEFAULT 0,
gossip_key,
public_key_fingerprint TEXT DEFAULT '',
gossip_key_fingerprint TEXT DEFAULT '',
verified_key,
verified_key_fingerprint TEXT DEFAULT '',
UNIQUE (addr) -- Only one peerstate per address
);
INSERT OR IGNORE INTO new_acpeerstates SELECT * FROM acpeerstates;
DROP TABLE acpeerstates;
ALTER TABLE new_acpeerstates RENAME TO acpeerstates;
CREATE INDEX acpeerstates_index1 ON acpeerstates (addr);
CREATE INDEX acpeerstates_index3 ON acpeerstates (public_key_fingerprint);
CREATE INDEX acpeerstates_index4 ON acpeerstates (gossip_key_fingerprint);
CREATE INDEX acpeerstates_index5 ON acpeerstates (verified_key_fingerprint);
",
94,
)
.await?;
}
let new_version = sql
.get_raw_config_int(VERSION_CFG)