add new indexes (#1510)

* add new indexes and change the case_field statistics

* Update V20241003_5510_1__CCD-5510_Create_new_indexes.sql

* Update V20241003_5510_1__CCD-5510_Create_new_indexes.sql

* Update V20241003_5510_2__CCD-5510_Update_case_field_statistics.sql

---------

Co-authored-by: bharatkumarpatel1 <Bharatkumar.Patel1@HMCTS.NET>

Author: aktaskaan

repository/src/main/resources/db/migration/V20241003_5510_1__CCD-5510_Create_new_indexes.sql

@@ -0,0 +1,11 @@
+CREATE INDEX CONCURRENTLY IF NOT EXISTS idx_state_case_type_id ON public.state USING btree (case_type_id);
+
+CREATE INDEX CONCURRENTLY IF NOT EXISTS idx_complex_field_acl_case_field_id ON public.complex_field_acl USING btree (case_field_id);
+
+CREATE INDEX CONCURRENTLY IF NOT EXISTS idx_event_acl_event_id ON public.event_acl USING btree (event_id);
+
+CREATE INDEX CONCURRENTLY IF NOT EXISTS idx_state_acl_state_id_id ON public.state_acl USING btree (state_id, id);
+
+CREATE INDEX CONCURRENTLY IF NOT EXISTS idx_search_party_case_type_id ON public.search_party USING btree (case_type_id);
+
+CREATE INDEX CONCURRENTLY IF NOT EXISTS idx_case_type_lower_reference_version_desc ON public.case_type USING btree (LOWER(reference), version DESC);

repository/src/main/resources/db/migration/V20241003_5510_2__CCD-5510_Update_case_field_statistics.sql

@@ -0,0 +1,3 @@
+ALTER TABLE public.case_field ALTER COLUMN case_type_id SET STATISTICS 1000;
+
+ANALYZE public.case_field;

repository/src/test/java/uk/gov/hmcts/ccd/definition/store/repository/CaseTypeObjectGraphTest.java

@@ -195,7 +195,14 @@ public void saveCaseType() {
 
         // Check states
         assertThat(fetched.getStates(), hasSize(2));
-        final StateEntity fetchedState1 = fetched.getStates().get(0);
+
+        StateEntity fetchedState1 = new StateEntity();
+        for (StateEntity state : fetched.getStates()) {
+            if (state.getReference().equals("stateId")) {
+                fetchedState1 = state;
+            }
+        }
+
         assertThat(fetchedState1.getReference(), equalTo("stateId"));
         assertThat(fetchedState1.getLiveFrom(), equalTo(TODAY));
         assertThat(fetchedState1.getLiveTo(), equalTo(TOMORROW));