chore: adding migration script adding i_query index

migrations/message_store_postgres/content_script_version_3.nim

@@ -0,0 +1,8 @@
+const ContentScriptVersion_3* =
+  """
+CREATE INDEX IF NOT EXISTS i_query ON messages
+  (contentTopic, pubsubTopic, storedAt, id);
+
+UPDATE version SET version = 3 WHERE version = 2;
+
+"""

migrations/message_store_postgres/pg_migration_manager.nim

@@ -1,4 +1,4 @@
-import content_script_version_1, content_script_version_2
+import content_script_version_1, content_script_version_2, content_script_version_3
 
 type MigrationScript* = object
   version*: int
@@ -11,6 +11,7 @@ const PgMigrationScripts* =
   @[
     MigrationScript(version: 1, scriptContent: ContentScriptVersion_1),
     MigrationScript(version: 2, scriptContent: ContentScriptVersion_2),
+    MigrationScript(version: 3, scriptContent: ContentScriptVersion_3),
   ]
 
 proc getMigrationScripts*(currentVersion: int64, targetVersion: int64): seq[string] =

waku/waku_archive/driver/postgres_driver/migrations.nim

@@ -9,7 +9,7 @@ import
 logScope:
   topics = "waku archive migration"
 
-const SchemaVersion* = 2 # increase this when there is an update in the database schema
+const SchemaVersion* = 3 # increase this when there is an update in the database schema
 
 proc breakIntoStatements*(script: string): seq[string] =
   ## Given a full migration script, that can potentially contain a list

waku/waku_archive/driver/sqlite_driver/sqlite_driver.nim

@@ -35,7 +35,7 @@ proc init(db: SqliteDatabase): ArchiveDriverResult[void] =
 
   let resMsgIndex = createHistoryQueryIndex(db)
   if resMsgIndex.isErr():
-    return err("failed to create i_msg index: " & resMsgIndex.error())
+    return err("failed to create i_query index: " & resMsgIndex.error())
 
   return ok()