fix login uris in batches

util/Setup/DbScripts/2018-03-12_00_FixLoginUris.sql

@@ -14,19 +14,55 @@
 }
 */
 
-DECLARE @UrisPath VARCHAR(50) = '$.Uris'
-
-UPDATE
-    [dbo].[Cipher]
-SET
-    [Data] = JSON_MODIFY(
-        [Data],
-        @UrisPath,
-        JSON_QUERY(
-            JSON_VALUE([Data], @UrisPath),
-            '$'
-        )
-    )
-WHERE
-    LEFT(JSON_VALUE([Data], @UrisPath), 8) = '[{"Uri":'
+IF NOT EXISTS (SELECT * FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME = 'CompletedIds')
+BEGIN
+    CREATE TABLE [CompletedIds] ([Id] UNIQUEIDENTIFIER PRIMARY KEY)
+END
+GO
+
+DECLARE @UrisPath VARCHAR(50) = '$.Uris'
+DECLARE @BatchSize INT = 1000
+
+WHILE @BatchSize > 0
+BEGIN
+    SELECT TOP 1
+        @LastId = [Id]
+    FROM
+        [CompletedIds]
+    ORDER BY
+        [Id] DESC
+
+    ;WITH [CTE] AS (
+        SELECT TOP (@BatchSize)
+            *
+        FROM
+            [Cipher]
+        WHERE
+            (@LastId IS NULL OR [Id] > @LastId)
+            AND LEFT(JSON_VALUE([Data], @UrisPath), 8) = '[{"Uri":'
+        ORDER BY
+            [Id] ASC
+    )
+    UPDATE
+        [CTE]
+    SET
+        [Data] = JSON_MODIFY(
+            [Data],
+            @UrisPath,
+            JSON_QUERY(
+                JSON_VALUE([Data], @UrisPath),
+                '$'
+            )
+        )
+    OUTPUT INSERTED.[Id] INTO [CompletedIds]
+
+    SET @BatchSize = @@ROWCOUNT
+    RAISERROR('Updated %d ciphers with Uris', 0, 1, @BatchSize) WITH NOWAIT
+END
+GO
+
+IF EXISTS (SELECT * FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME = 'CompletedIds')
+BEGIN
+    DROP TABLE [CompletedIds]
+END
 GO