Migration finished

src/common/databases/migrations/20240527091523_office_customer_relation_migration/migration.sql

@@ -1,13 +1,8 @@
-/*
+-- -- Add the office_uid column
-  Warnings:
+-- ALTER TABLE customers
+-- ADD COLUMN office_uid VARCHAR(255);
 
-  - Added the required column `office_uid` to the `customers` table without a default value. This is not possible if the table is not empty.
+-- -- Set the office_uid for existing rows
-
-*/
--- AlterTable
--- ALTER TABLE "customers" ADD COLUMN     "office_uid" VARCHAR(255) NOT NULL;
-
--- Set the office_uid for existing rows based on the office with "idNot" = '0000'
 -- UPDATE customers
 -- SET office_uid = (
 --   SELECT uid
@@ -33,58 +28,20 @@
 -- -- Drop the temporary table
 -- DROP TABLE customer_office_update;
 
+-- -- Alter the column to be NOT NULL
+-- ALTER TABLE customers
+-- ALTER COLUMN office_uid SET NOT NULL;
+
 -- -- Add the foreign key constraint
 -- ALTER TABLE customers
--- ADD CONSTRAINT fk_customers_office
+-- ADD CONSTRAINT customers_office_uid_fkey
 -- FOREIGN KEY (office_uid) REFERENCES offices(uid)
 -- ON DELETE CASCADE;
 
--- -- AddForeignKey
+-- Add the office_uid column to the customers table
--- ALTER TABLE "customers" ADD CONSTRAINT "customers_office_uid_fkey" FOREIGN KEY ("office_uid") REFERENCES "offices"("uid") ON DELETE CASCADE ON UPDATE CASCADE;
-
-
-/*
-  Warnings:
-
-  - Added the required column `office_uid` to the `customers` table without a default value. This is not possible if the table is not empty.
-
-*/
--- AlterTable
--- ALTER TABLE "customers" ADD COLUMN     "office_uid" VARCHAR(255) NOT NULL;
-
--- -- AddForeignKey
--- ALTER TABLE "customers" ADD CONSTRAINT "customers_office_uid_fkey" FOREIGN KEY ("office_uid") REFERENCES "offices"("uid") ON DELETE CASCADE ON UPDATE CASCADE;
-
--- -- Create a temporary table to store the mapping
--- CREATE TEMPORARY TABLE customer_office_update AS
--- SELECT c.uid AS customer_uid, of.office_uid
--- FROM customers c
--- JOIN "_OfficeFolderHasCustomers" ofhc ON c.uid = ofhc."A"
--- JOIN office_folders of ON ofhc."B" = of.uid;
-
--- -- Update customers with the corresponding office_uid
--- UPDATE customers
--- SET office_uid = (
---   SELECT office_uid
---   FROM customer_office_update
---   WHERE customer_office_update.customer_uid = customers.uid
--- );
-
--- -- Drop the temporary table
--- DROP TABLE customer_office_update;
-
--- Add the office_uid column
 ALTER TABLE customers
 ADD COLUMN office_uid VARCHAR(255);
 
--- Set the office_uid for existing rows
-UPDATE customers
-SET office_uid = (
-  SELECT uid
-  FROM offices
-  WHERE "idNot" = '0000'
-);
-
 -- Create a temporary table to store the mapping
 CREATE TEMPORARY TABLE customer_office_update AS
 SELECT c.uid AS customer_uid, of.office_uid
@@ -92,17 +49,24 @@ FROM customers c
 JOIN "_OfficeFolderHasCustomers" ofhc ON c.uid = ofhc."A"
 JOIN office_folders of ON ofhc."B" = of.uid;
 
--- Update customers with the corresponding office_uid
+-- Update customers with the corresponding office_uid where a mapping exists
 UPDATE customers
-SET office_uid = (
+SET office_uid = customer_office_update.office_uid
-  SELECT office_uid
+FROM customer_office_update
-  FROM customer_office_update
+WHERE customers.uid = customer_office_update.customer_uid;
-  WHERE customer_office_update.customer_uid = customers.uid
-);
 
 -- Drop the temporary table
 DROP TABLE customer_office_update;
 
+-- Set the office_uid for customers not linked to any office_folder based on the office with "idNot" = '0000'
+UPDATE customers
+SET office_uid = (
+  SELECT uid
+  FROM offices
+  WHERE "idNot" = '0000'
+)
+WHERE office_uid IS NULL;
+
 -- Alter the column to be NOT NULL
 ALTER TABLE customers
 ALTER COLUMN office_uid SET NOT NULL;