RHINENG-26529: undo failed schema migration

Author: MichaelMraka

database_admin/migrations/153_simplify_workspaces.up.sql

@@ -0,0 +1 @@
+-- noop

database_admin/migrations/154_simplify_workspaces.up.sql

@@ -0,0 +1,22 @@
+DO $$
+BEGIN
+IF EXISTS (SELECT 1 FROM pg_attribute a
+                    JOIN pg_class c ON c.oid = a.attrelid
+                    JOIN pg_namespace n ON n.oid = c.relnamespace
+                    WHERE n.nspname = 'public' AND c.relname = 'system_inventory' AND a.attname = 'workspace_id'
+                          AND a.attnum > 0 AND NOT a.attisdropped)
+THEN
+    ALTER TABLE system_inventory
+        ADD COLUMN workspaces JSONB;
+
+    UPDATE system_inventory
+        SET workspaces = JSONB_BUILD_ARRAY(JSONB_BUILD_OBJECT('id', workspace_id, 'name', workspace_name));
+
+    CREATE INDEX IF NOT EXISTS system_inventory_workspaces_index ON system_inventory USING GIN (workspaces);
+
+    ALTER TABLE system_inventory
+        DROP COLUMN workspace_id,
+        DROP COLUMN workspace_name;
+END IF;
+END $$;
+

database_admin/schema/create_schema.sql

@@ -7,7 +7,7 @@ CREATE TABLE IF NOT EXISTS schema_migrations
 
 
 INSERT INTO schema_migrations
-VALUES (152, false);
+VALUES (154, false);
 
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 -- Functions