TEIS-1784: generate created_at and modified_at values in existing records, if null.

gradle.properties

 theGroup=ee.sm.ti.teis
-theVersion=1.9.0
+theVersion=1.10.0-SNAPSHOT
 commonsVersion=1.14.0
 officeApiGatewayVersion=1.14.0
 pluginVersion=1.2.0

service/src/main/resources/db/changelog/data/2021-01-20.TEIS-1784.generate-created_at-values.sql

+--liquibase formatted sql
+
+--changeset enriko:2021-01-20.TEIS-1784.generate-created_at-values.sql splitStatements:false
+
+create or replace function fill_created_at_value(tableName varchar, idType varchar)
+    returns void
+as $$
+declare
+    createdAt timestamp;
+    rec record;
+begin
+    select to_timestamp('2020-03-31 08:00:00', 'YYYY-MM-DD HH24:MI:SS') into createdAt;
+    for rec in execute 'select * from ' || quote_ident(tableName) || ' where created_at is null' LOOP
+            select createdAt + interval '1 second' into createdAt;
+            if idType = 'uuid' then
+                -- RAISE NOTICE 'ID= "%"', rec.id::text;
+                execute 'update ' || quote_ident(tableName) || ' set created_by = ''SYSTEM'', created_at = ''' || createdAt || ''', modified_at = ''' || createdAt || ''' where id=''' || rec.id::text || '''';
+            else
+                -- RAISE NOTICE 'ID str= "%"', rec.id;
+                execute 'update ' || quote_ident(tableName) || ' set created_by = ''SYSTEM'', created_at = ''' || createdAt || ''', modified_at = ''' || createdAt || ''' where id=''' || rec.id || '''';
+            end if;
+            -- RAISE NOTICE 'createdAt "%"', createdAt;
+        end loop;
+end $$
+    language plpgsql;
+
+select fill_created_at_value('office', 'uuid');
+
+drop function fill_created_at_value(varchar, varchar);