fix(setup): steps 10 and 11 (#5987)

* fix(step10): count amount of wrong_events manually

* fix(step11): create index for better performance

cmd/setup/11/11_fetch_events.sql

@@ -1 +1,12 @@
-SELECT id, creation_date FROM eventstore.events WHERE created_at IS NULL ORDER BY event_sequence DESC, instance_id LIMIT 20 FOR UPDATE
+SELECT 
+    id
+    , creation_date 
+FROM 
+    eventstore.events 
+WHERE 
+    created_at IS NULL 
+ORDER BY 
+    event_sequence DESC
+    , instance_id 
+LIMIT $1 
+FOR UPDATE

cmd/setup/11/cockroach/create_index.sql

@@ -0,0 +1,8 @@
+CREATE INDEX IF NOT EXISTS ca_fill_idx ON eventstore.events (
+    event_sequence DESC
+    , instance_id
+) STORING (
+    id
+    , creation_date
+    , created_at
+) WHERE created_at IS NULL; 

cmd/setup/11/cockroach/drop_index.sql

@@ -0,0 +1 @@
+DROP INDEX IF EXISTS eventstore.events@ca_fill_idx;

cmd/setup/11/postgres/create_index.sql

@@ -0,0 +1,4 @@
+CREATE INDEX IF NOT EXISTS ca_fill_idx ON eventstore.events (
+    event_sequence DESC
+    , instance_id
+) WHERE created_at IS NULL; 

cmd/setup/11/postgres/drop_index.sql

@@ -0,0 +1 @@
+DROP INDEX IF EXISTS eventstore.ca_fill_idx;