crypto/sqlstore: add index to crypto_olm_sessions table to speed up l…

…ookups by sender_key (#323) Co-authored-by: Tulir Asokan <[email protected]>
mautrix · Nov 26, 2024 · 4b970e0 · 4b970e0
1 parent f7e5f0a
commit 4b970e0
Show file tree

Hide file tree

Showing 2 changed files with 4 additions and 1 deletion.
diff --git a/crypto/sql_store_upgrade/00-latest-revision.sql b/crypto/sql_store_upgrade/00-latest-revision.sql
@@ -1,4 +1,4 @@
--- v0 -> v15: Latest revision
+-- v0 -> v16 (compatible with v15+): Latest revision
 CREATE TABLE IF NOT EXISTS crypto_account (
 	account_id         TEXT    PRIMARY KEY,
 	device_id          TEXT    NOT NULL,
@@ -43,6 +43,7 @@ CREATE TABLE IF NOT EXISTS crypto_olm_session (
 	last_encrypted timestamp NOT NULL,
 	PRIMARY KEY (account_id, session_id)
 );
+CREATE INDEX crypto_olm_session_sender_key_idx ON crypto_olm_session (account_id, sender_key);
 
 CREATE TABLE IF NOT EXISTS crypto_megolm_inbound_session (
 	account_id         TEXT,

diff --git a/crypto/sql_store_upgrade/16-crypto-olm-sessions-index.sql b/crypto/sql_store_upgrade/16-crypto-olm-sessions-index.sql
@@ -0,0 +1,2 @@
+-- v16 (compatible with v15+): Add index to crypto_olm_sessions to speedup lookups by sender_key
+CREATE INDEX crypto_olm_session_sender_key_idx ON crypto_olm_session (account_id, sender_key);
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,2 @@
		-- v16 (compatible with v15+): Add index to crypto_olm_sessions to speedup lookups by sender_key
		CREATE INDEX crypto_olm_session_sender_key_idx ON crypto_olm_session (account_id, sender_key);