Make sql schema changes in another flyway version.

backend/src/main/resources/db/migration/V1.2__update_view.sql

@@ -0,0 +1,19 @@
+drop view if exists  external_metadata_view cascade;
+
+create view external_metadata_view as
+select
+    sequence_entries_preprocessed_data.accession,
+    sequence_entries_preprocessed_data.version,
+    all_external_metadata.updated_metadata_at,
+    -- || concatenates two JSON objects by generating an object containing the union of their keys
+    -- taking the second object's value when there are duplicate keys.
+    case 
+        when all_external_metadata.external_metadata is null then jsonb_build_object('metadata', (sequence_entries_preprocessed_data.processed_data->'metadata'))
+        else jsonb_build_object('metadata', (sequence_entries_preprocessed_data.processed_data->'metadata') || all_external_metadata.external_metadata)
+    end as joint_metadata
+from
+    sequence_entries_preprocessed_data
+    left join all_external_metadata  on
+        all_external_metadata.accession = sequence_entries_preprocessed_data.accession
+        and all_external_metadata.version = sequence_entries_preprocessed_data.version
+        and sequence_entries_preprocessed_data.pipeline_version = (select version from current_processing_pipeline);

backend/src/main/resources/db/migration/V1__init.sql

@@ -94,7 +94,7 @@ select
     -- taking the second object's value when there are duplicate keys.
     case 
         when all_external_metadata.external_metadata is null then jsonb_build_object('metadata', (sequence_entries_preprocessed_data.processed_data->'metadata'))
-        else jsonb_build_object('metadata', (sequence_entries_preprocessed_data.processed_data->'metadata') || all_external_metadata.external_metadata)
+        else jsonb_build_object('metadata', all_external_metadata.external_metadata || (sequence_entries_preprocessed_data.processed_data->'metadata'))
     end as joint_metadata
 from
     sequence_entries_preprocessed_data