[AC-1682] Added data migration script to set FlexibleCollections = 1 for all orgs

util/Migrator/DbScripts_transition/2024-01-10_03_EnableOrgsFlexibleCollections.sql

@@ -0,0 +1,28 @@
+-- Step 1: Insert into a temporary table with an additional column for batch processing, update 50 k at a time
+SELECT [Id] AS [OrganizationId], CAST(ROW_NUMBER() OVER(ORDER BY [Id]) / 50000 AS INT) AS Batch
+INTO #TempOrg
+FROM [dbo].[Organization]
+WHERE [FlexibleCollections] = 0;
+
+-- Step 2: Get the maximum batch number
+DECLARE @MaxBatch INT = (SELECT MAX(Batch) FROM #TempOrg);
+DECLARE @CurrentBatch INT = 0;
+
+-- Step 3: Process each batch
+WHILE @CurrentBatch <= @MaxBatch
+BEGIN
+    -- Update existing rows in [dbo].[CollectionUser]
+    UPDATE target
+    SET
+        target.[FlexibleCollections] = 1
+    FROM [dbo].[Organization] AS target
+    INNER JOIN #TempOrg AS source
+        ON target.[Id] = source.[OrganizationId]
+    WHERE source.[Batch] = @CurrentBatch;
+
+    -- Move to the next batch
+    SET @CurrentBatch = @CurrentBatch + 1;
+END;
+
+-- Step 4: Drop the temporary table
+DROP TABLE #TempOrg;