Add back event slug filter to migrated runBatch queries

Some of the migrated sync adapters are missing the event slug filter in
runBatch that was present in the original version.

Author: antweb

libpretixsync/src/main/java/eu/pretix/libpretixsync/sync/ItemCategorySyncAdapter.kt

@@ -75,5 +75,8 @@ class ItemCategorySyncAdapter(
     }
 
     override fun runBatch(parameterBatch: List<Long>): List<ItemCategory> =
-        db.itemCategoryQueries.selectByServerIdList(parameterBatch).executeAsList()
+        db.itemCategoryQueries.selectByServerIdListAndEventSlug(
+            server_id = parameterBatch,
+            event_slug = eventSlug,
+        ).executeAsList()
 }

libpretixsync/src/main/java/eu/pretix/libpretixsync/sync/ItemSyncAdapter.kt

@@ -150,7 +150,10 @@ class ItemSyncAdapter(
     }
 
     override fun runBatch(parameterBatch: List<Long>): List<Item> =
-        db.itemQueries.selectByServerIdList(parameterBatch).executeAsList()
+        db.itemQueries.selectByServerIdListAndEventSlug(
+            server_id = parameterBatch,
+            event_slug = eventSlug,
+        ).executeAsList()
 
     @Throws(JSONException::class)
     fun standaloneRefreshFromJSON(data: JSONObject) {

libpretixsync/src/main/java/eu/pretix/libpretixsync/sync/OrderSyncAdapter.kt

@@ -508,6 +508,10 @@ class OrderSyncAdapter(
     }
 
     override fun runBatch(parameterBatch: List<String>): List<Order> {
+        // pretix guarantees uniqueness of CODE within an organizer account, so we don't need
+        // to filter by EVENT_SLUG. This is good, because SQLite tends to build a very stupid
+        // query plan otherwise if statistics are not up to date (using the EVENT_SLUG index
+        // instead of using the CODE index)
         return db.orderQueries.selectByCodeList(parameterBatch).executeAsList()
     }
 

libpretixsync/src/main/sqldelight/common/eu/pretix/libpretixsync/sqldelight/Item.sq

@@ -12,10 +12,10 @@ SELECT *
 FROM Item
 WHERE id = ?;
 
-selectByServerIdList:
+selectByServerIdListAndEventSlug:
 SELECT *
 FROM Item
-WHERE server_id IN ?;
+WHERE server_id IN ? AND event_slug = ?;
 
 selectServerIdsByEventSlug:
 SELECT server_id

libpretixsync/src/main/sqldelight/common/eu/pretix/libpretixsync/sqldelight/ItemCategory.sq

@@ -8,10 +8,10 @@ SELECT *
 FROM ItemCategory
 WHERE server_id = ?;
 
-selectByServerIdList:
+selectByServerIdListAndEventSlug:
 SELECT *
 FROM ItemCategory
-WHERE server_id IN ?;
+WHERE server_id IN ? AND event_slug = ?;
 
 selectServerIdsByEventSlug:
 SELECT server_id