Merge pull request #2959 from bcgov/batch_row_and_id_trigger

Batch id + row number trigger

database/src/migrations/0075_batch_id_trigger.ts

@@ -0,0 +1,65 @@
+import { Knex } from 'knex';
+
+export async function up(knex: Knex): Promise<void> {
+  await knex.raw(
+    `
+    set 
+    search_path = invasivesbc, 
+    public;
+  CREATE 
+  OR REPLACE FUNCTION invasivesbc.batch_and_row_id_autofill() RETURNS trigger LANGUAGE plpgsql AS $function$
+  
+  
+  
+  
+  
+  begin if(new.batch_id is null) then 
+  
+  
+  new.batch_id := (
+    select 
+      batch_id 
+    from 
+      invasivesbc.activity_incoming_data 
+    where 
+      batch_id is not null 
+      and activity_id = new.activity_id 
+    limit 
+      1
+  ) ;end if;
+  if(new.row_number is null) then new.row_number := (
+    select 
+      row_number 
+    from 
+      invasivesbc.activity_incoming_data 
+    where 
+      row_number is not null 
+      and activity_id = new.activity_id 
+    limit 
+      1
+  ) ;end if;
+  return new;
+  END;
+  $function$ ;
+  
+  
+  
+  CREATE TRIGGER maintain_batch_and_row_id BEFORE INSERT 
+  OR 
+  UPDATE 
+    ON invasivesbc.activity_incoming_data 
+   FOR EACH ROW EXECUTE procedure batch_and_row_id_autofill();
+  
+`
+  );
+}
+
+export async function down(knex: Knex): Promise<void> {
+  await knex.raw(`
+
+  set search_path='invasivesbc';
+
+
+
+  `);
+}