diff --git a/libpretixsync/src/main/sqldelight/common/migrations/115.sqm b/libpretixsync/src/main/sqldelight/common/migrations/115.sqm
new file mode 100644
index 00000000..78a07ffa
--- /dev/null
+++ b/libpretixsync/src/main/sqldelight/common/migrations/115.sqm
@@ -0,0 +1,6 @@
+CREATE INDEX IF NOT EXISTS Item_event_slug_index ON Item (event_slug);
+CREATE INDEX IF NOT EXISTS Item_server_id_index ON Item (server_id);
+CREATE INDEX IF NOT EXISTS Quota_server_id_index ON Quota (server_id);
+CREATE INDEX IF NOT EXISTS Receipt_canceled_index ON Receipt (canceled);
+CREATE INDEX IF NOT EXISTS ReceiptLine_canceled_index ON ReceiptLine (canceled);
+CREATE INDEX IF NOT EXISTS SubEvent_server_id_index ON SubEvent (server_id);
\ No newline at end of file
diff --git a/libpretixsync/src/main/sqldelight/postgres/eu/pretix/libpretixsync/sqldelight/Item.sq b/libpretixsync/src/main/sqldelight/postgres/eu/pretix/libpretixsync/sqldelight/Item.sq
index 0e3d512f..f0aa8437 100644
--- a/libpretixsync/src/main/sqldelight/postgres/eu/pretix/libpretixsync/sqldelight/Item.sq
+++ b/libpretixsync/src/main/sqldelight/postgres/eu/pretix/libpretixsync/sqldelight/Item.sq
@@ -14,3 +14,6 @@ CREATE TABLE Item (
     ticket_layout_id bigint,
     ticket_layout_pretixpos_id bigint
 );
+
+CREATE INDEX Item_event_slug_index ON Item (event_slug);
+CREATE INDEX Item_server_id_index ON Item (server_id);
\ No newline at end of file
diff --git a/libpretixsync/src/main/sqldelight/postgres/eu/pretix/libpretixsync/sqldelight/Quota.sq b/libpretixsync/src/main/sqldelight/postgres/eu/pretix/libpretixsync/sqldelight/Quota.sq
index 08089186..70d6e963 100644
--- a/libpretixsync/src/main/sqldelight/postgres/eu/pretix/libpretixsync/sqldelight/Quota.sq
+++ b/libpretixsync/src/main/sqldelight/postgres/eu/pretix/libpretixsync/sqldelight/Quota.sq
@@ -12,4 +12,5 @@ CREATE TABLE Quota (
     subevent_id bigint
 );
 
+CREATE INDEX Quota_server_id_index ON Quota (server_id);
 CREATE INDEX Quota_subevent_id_index ON Quota (subevent_id);
diff --git a/libpretixsync/src/main/sqldelight/postgres/eu/pretix/libpretixsync/sqldelight/Receipt.sq b/libpretixsync/src/main/sqldelight/postgres/eu/pretix/libpretixsync/sqldelight/Receipt.sq
index 4db25a53..03b28770 100644
--- a/libpretixsync/src/main/sqldelight/postgres/eu/pretix/libpretixsync/sqldelight/Receipt.sq
+++ b/libpretixsync/src/main/sqldelight/postgres/eu/pretix/libpretixsync/sqldelight/Receipt.sq
@@ -33,3 +33,5 @@ CREATE TABLE Receipt (
 
 CREATE INDEX Receipt_closing_index ON Receipt (closing);
 CREATE INDEX receipt_server_id ON Receipt(server_id);
+CREATE INDEX Receipt_canceled_index ON Receipt (canceled);
+
diff --git a/libpretixsync/src/main/sqldelight/postgres/eu/pretix/libpretixsync/sqldelight/ReceiptLine.sq b/libpretixsync/src/main/sqldelight/postgres/eu/pretix/libpretixsync/sqldelight/ReceiptLine.sq
index 9e1e85ab..9dcf0929 100644
--- a/libpretixsync/src/main/sqldelight/postgres/eu/pretix/libpretixsync/sqldelight/ReceiptLine.sq
+++ b/libpretixsync/src/main/sqldelight/postgres/eu/pretix/libpretixsync/sqldelight/ReceiptLine.sq
@@ -55,3 +55,4 @@ CREATE TABLE ReceiptLine (
 
 CREATE INDEX ReceiptLine_addon_to_index ON ReceiptLine (addon_to);
 CREATE INDEX ReceiptLine_receipt_index ON ReceiptLine (receipt);
+CREATE INDEX ReceiptLine_canceled_index ON ReceiptLine (canceled);
\ No newline at end of file
diff --git a/libpretixsync/src/main/sqldelight/postgres/eu/pretix/libpretixsync/sqldelight/SubEvent.sq b/libpretixsync/src/main/sqldelight/postgres/eu/pretix/libpretixsync/sqldelight/SubEvent.sq
index 62d3b901..3a77b42e 100644
--- a/libpretixsync/src/main/sqldelight/postgres/eu/pretix/libpretixsync/sqldelight/SubEvent.sq
+++ b/libpretixsync/src/main/sqldelight/postgres/eu/pretix/libpretixsync/sqldelight/SubEvent.sq
@@ -10,3 +10,5 @@ CREATE TABLE SubEvent (
     json_data text,
     server_id bigint
 );
+
+CREATE INDEX SubEvent_server_id_index ON SubEvent (server_id);
\ No newline at end of file
diff --git a/libpretixsync/src/main/sqldelight/sqlite/eu/pretix/libpretixsync/sqldelight/Item.sq b/libpretixsync/src/main/sqldelight/sqlite/eu/pretix/libpretixsync/sqldelight/Item.sq
index db346501..03ef47d9 100644
--- a/libpretixsync/src/main/sqldelight/sqlite/eu/pretix/libpretixsync/sqldelight/Item.sq
+++ b/libpretixsync/src/main/sqldelight/sqlite/eu/pretix/libpretixsync/sqldelight/Item.sq
@@ -14,3 +14,6 @@ CREATE TABLE Item (
     ticket_layout_id INTEGER,
     ticket_layout_pretixpos_id INTEGER
 );
+
+CREATE INDEX Item_event_slug_index ON Item (event_slug);
+CREATE INDEX Item_server_id_index ON Item (server_id);
\ No newline at end of file
diff --git a/libpretixsync/src/main/sqldelight/sqlite/eu/pretix/libpretixsync/sqldelight/Quota.sq b/libpretixsync/src/main/sqldelight/sqlite/eu/pretix/libpretixsync/sqldelight/Quota.sq
index 981d7321..165548c1 100644
--- a/libpretixsync/src/main/sqldelight/sqlite/eu/pretix/libpretixsync/sqldelight/Quota.sq
+++ b/libpretixsync/src/main/sqldelight/sqlite/eu/pretix/libpretixsync/sqldelight/Quota.sq
@@ -11,4 +11,5 @@ CREATE TABLE Quota (
     subevent_id INTEGER
 );
 
+CREATE INDEX Quota_server_id_index ON Quota (server_id);
 CREATE INDEX Quota_subevent_id_index ON Quota (subevent_id);
diff --git a/libpretixsync/src/main/sqldelight/sqlite/eu/pretix/libpretixsync/sqldelight/Receipt.sq b/libpretixsync/src/main/sqldelight/sqlite/eu/pretix/libpretixsync/sqldelight/Receipt.sq
index 5534f5b7..b579b71a 100644
--- a/libpretixsync/src/main/sqldelight/sqlite/eu/pretix/libpretixsync/sqldelight/Receipt.sq
+++ b/libpretixsync/src/main/sqldelight/sqlite/eu/pretix/libpretixsync/sqldelight/Receipt.sq
@@ -33,3 +33,4 @@ CREATE TABLE Receipt (
 
 CREATE INDEX Receipt_closing_index ON Receipt (closing);
 CREATE INDEX receipt_server_id ON Receipt(server_id);
+CREATE INDEX Receipt_canceled_index ON Receipt (canceled);
diff --git a/libpretixsync/src/main/sqldelight/sqlite/eu/pretix/libpretixsync/sqldelight/ReceiptLine.sq b/libpretixsync/src/main/sqldelight/sqlite/eu/pretix/libpretixsync/sqldelight/ReceiptLine.sq
index d7367f01..948636c2 100644
--- a/libpretixsync/src/main/sqldelight/sqlite/eu/pretix/libpretixsync/sqldelight/ReceiptLine.sq
+++ b/libpretixsync/src/main/sqldelight/sqlite/eu/pretix/libpretixsync/sqldelight/ReceiptLine.sq
@@ -54,3 +54,4 @@ CREATE TABLE ReceiptLine (
 
 CREATE INDEX ReceiptLine_addon_to_index ON ReceiptLine (addon_to);
 CREATE INDEX ReceiptLine_receipt_index ON ReceiptLine (receipt);
+CREATE INDEX ReceiptLine_canceled_index ON ReceiptLine (canceled);
diff --git a/libpretixsync/src/main/sqldelight/sqlite/eu/pretix/libpretixsync/sqldelight/SubEvent.sq b/libpretixsync/src/main/sqldelight/sqlite/eu/pretix/libpretixsync/sqldelight/SubEvent.sq
index 2c630035..9fd55ebf 100644
--- a/libpretixsync/src/main/sqldelight/sqlite/eu/pretix/libpretixsync/sqldelight/SubEvent.sq
+++ b/libpretixsync/src/main/sqldelight/sqlite/eu/pretix/libpretixsync/sqldelight/SubEvent.sq
@@ -10,3 +10,5 @@ CREATE TABLE SubEvent (
     json_data TEXT,
     server_id INTEGER
 );
+
+CREATE INDEX IF NOT EXISTS subevent_server_id ON SubEvent (server_id);
\ No newline at end of file