Run PRAGMA optimize

libpretixsync/src/main/java/eu/pretix/libpretixsync/sync/SyncManager.java

@@ -476,7 +476,12 @@ protected void downloadData(ProgressFeedback feedback, Boolean skip_orders, Stri
                 }
             }
 
-
+            // After a download, table statistics might be worth re-evaluating for faster query
+            // execution. On SQLite, this will run PRAGMA optimize; which will be a no-op if there
+            // haven't been a lot of changes. On PostgreSQL, ANALYZE is a bit more expensive, so
+            // we'll see whether it is worth it.
+            // See recommendations on https://sqlite.org/lang_analyze.html
+            db.getCompatQueries().analyzeAfterSync();
         } catch (DeviceAccessRevokedException e) {
             db.getCompatQueries().truncateCheckIn();
             db.getCompatQueries().truncateOrderPosition();

libpretixsync/src/main/sqldelight/postgres/eu/pretix/libpretixsync/sqldelight/compat.sq

@@ -127,3 +127,6 @@ UPDATE QueuedOrder
 SET
     locked = TRUE
 WHERE id = ?;
+
+analyzeAfterSync:
+ANALYZE SKIP_LOCKED;

libpretixsync/src/main/sqldelight/sqlite/eu/pretix/libpretixsync/sqldelight/compat.sq

@@ -127,3 +127,7 @@ UPDATE QueuedOrder
 SET
     locked = 1
 WHERE id = ?;
+
+
+analyzeAfterSync:
+PRAGMA optimize;