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[AC-1682] Updated sql data migration procedures with performance recommendations

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This commit is contained in:
Rui Tome
2023-11-13 12:18:14 +00:00
parent 1527af7017
commit 577e591068
2 changed files with 54 additions and 72 deletions
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56
util/Migrator/DbScripts/2023-11-10_00_AccessAllCollectionGroups.sql
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@ -1,45 +1,27 @@
-- Step 1: Retrieve Groups with [AccessAll] permission
-- Create a temporary table to store the groups with AccessAll = 1
SELECT [Id] AS [GroupId], [OrganizationId]
INTO #TempGroup
FROM [dbo].[Group]
WHERE [AccessAll] = 1;
-- Step 2: Declare variables for GroupId and OrganizationId
DECLARE @GroupId UNIQUEIDENTIFIER;
DECLARE @OrganizationId UNIQUEIDENTIFIER;
-- Update existing rows in [dbo].[CollectionGroup]
UPDATE CG
SET
CG.[ReadOnly] = 0,
CG.[HidePasswords] = 0,
CG.[Manage] = 1
FROM [dbo].[CollectionGroup] CG
INNER JOIN [dbo].[Collection] C ON CG.[CollectionId] = C.[Id]
INNER JOIN #TempGroup TG ON CG.[GroupId] = TG.[GroupId]
WHERE C.[OrganizationId] = TG.[OrganizationId];
-- Step 3: Create a cursor to iterate through the results of the temporary table
DECLARE GroupCursor CURSOR FOR
SELECT [GroupId], [OrganizationId]
FROM #TempGroup;
-- Insert new rows into [dbo].[CollectionGroup]
INSERT INTO [dbo].[CollectionGroup] ([CollectionId], [GroupId], [ReadOnly], [HidePasswords], [Manage])
SELECT C.[Id], TG.[GroupId], 0, 0, 1
FROM [dbo].[Collection] C
JOIN #TempGroup TG ON C.[OrganizationId] = TG.[OrganizationId]
LEFT JOIN [dbo].[CollectionGroup] CG ON CG.[CollectionId] = C.[Id] AND CG.[GroupId] = TG.[GroupId]
WHERE CG.[CollectionId] IS NULL;
OPEN GroupCursor;
-- Step 4: Loop through the groups
FETCH NEXT FROM GroupCursor INTO @GroupId, @OrganizationId;
WHILE @@FETCH_STATUS = 0
BEGIN
-- Step 5: Use MERGE to insert or update into [dbo].[CollectionGroup] for each [dbo].[Collection] entry
MERGE INTO [dbo].[CollectionGroup] AS target
USING (SELECT C.[Id] AS [CollectionId], @GroupId AS [GroupId] FROM [dbo].[Collection] C WHERE C.[OrganizationId] = @OrganizationId) AS source
ON (target.[CollectionId] = source.[CollectionId] AND target.[GroupId] = source.[GroupId])
WHEN MATCHED THEN
UPDATE SET
target.[ReadOnly] = 0,
target.[HidePasswords] = 0,
target.[Manage] = 1
WHEN NOT MATCHED THEN
INSERT ([CollectionId], [GroupId], [ReadOnly], [HidePasswords], [Manage])
VALUES (source.[CollectionId], source.[GroupId], 0, 0, 1);
-- Step 6: Fetch the next GroupId and OrganizationId
FETCH NEXT FROM GroupCursor INTO @GroupId, @OrganizationId;
END;
-- Step 7: Close and deallocate the cursor
CLOSE GroupCursor;
DEALLOCATE GroupCursor;
-- Step 8: Drop the temporary table
-- Drop the temporary table
DROP TABLE #TempGroup;