init

Kreta.DataAccess.Migrations/DBScripts/Database/spCompareTableCount.sql

@@ -0,0 +1,110 @@
+IF OBJECT_ID('dev.spCompareTableCount') IS NOT NULL BEGIN
+  DROP PROCEDURE dev.spCompareTableCount
+END;
+GO
+
+CREATE PROCEDURE dev.spCompareTableCount
+   @sourceDb nvarchar(255)      -- A forrás adatbázis neve, szögletes zárójelek nélkül: KRETA_KLIK_99_XXX
+  ,@sourceSchema nvarchar(255)  -- A forrás schema neve, szögletes zárójelek nélkül: KR_xxx_Schema
+  ,@targetSchema nvarchar(255)  -- A cél schema neve, szögletes zárójelek nélkül: KR_xxx_Schema (a cél adatbázis az, ahol az SP fut)
+  ,@table nvarchar(255) = NULL  -- Ha csak egy táblát szeretnénk lekérdezni, NULL esetén az összes tábla/view összehasonlításra kerül
+AS
+BEGIN
+  DECLARE 
+     @sql nvarchar(max)
+    ,@source nvarchar(150)
+    ,@firstParentCol nvarchar(150)
+    ,@secondParentCol nvarchar(150)
+    ,@firstRefObj nvarchar(150)
+    ,@secondRefObj nvarchar(150)
+    
+  SET @source = IIF(@sourceDb IS NULL OR @sourceDb = '', '', '[' + @sourceDb + '].[') + @sourceSchema + ']'
+
+  DECLARE @TableTable TABLE (
+     SchemaName nvarchar(255)
+    ,TableName nvarchar(255)
+  )
+
+  DECLARE @ResutlTable TABLE (
+     TableName nvarchar(255)
+    ,SourceCount int
+    ,TargetCount int
+  )
+
+  IF @table IS NOT NULL BEGIN
+    INSERT INTO @TableTable (TableName) VALUES (@table)
+  END
+  ELSE BEGIN
+    --DECLARE @targetSchema nvarchar(255) = 'KR_piarista-god_Schema'
+
+    INSERT INTO @TableTable (SchemaName, TableName)
+    SELECT @targetSchema, TABLE_NAME FROM INFORMATION_SCHEMA.TABLES
+    WHERE TABLE_SCHEMA = @targetSchema
+
+    INSERT INTO @TableTable (SchemaName, TableName)  
+    SELECT 'dbo', TABLE_NAME FROM INFORMATION_SCHEMA.TABLES t
+    WHERE NOT EXISTS (SELECT 1 FROM INFORMATION_SCHEMA.COLUMNS c WHERE c.TABLE_SCHEMA = 'dbo' AND c.TABLE_NAME = t.TABLE_NAME AND c.COLUMN_NAME = 'ID')
+      AND t.TABLE_SCHEMA = 'dbo'
+      AND t.TABLE_TYPE = 'BASE TABLE'
+      AND TABLE_NAME LIKE 'T[_]%[_]%'    
+  END
+
+  DECLARE tableCursor CURSOR FOR 
+  SELECT SchemaName, TableName
+  FROM @TableTable 
+
+  DECLARE 
+     @SchemaName nvarchar(100)
+    ,@TableName nvarchar(100)
+
+  OPEN tableCursor
+  FETCH NEXT FROM tableCursor INTO @SchemaName, @TableName
+  WHILE @@FETCH_STATUS = 0
+  BEGIN
+    
+    IF @SchemaName <> 'dbo' BEGIN
+      SET @sql = 'SELECT @TableName, (SELECT COUNT(1) FROM ' + @source + '.' + @TableName + '), (SELECT COUNT(1) FROM [' + @SchemaName + '].'  + @TableName + ')'
+    END
+    ELSE BEGIN    
+      SELECT TOP(1) 
+         @firstParentCol = pc.[name]-- AS parent_column_name
+        ,@firstRefObj = OBJECT_NAME(rc.[object_id]) --as referenced_object_name
+      FROM sys.foreign_key_columns f 
+        INNER JOIN sys.columns pc ON pc.[object_id] = f.parent_object_id AND pc.column_id = f.parent_column_id
+        INNER JOIN sys.columns rc ON rc.[object_id] = f.referenced_object_id AND rc.column_id = f.referenced_column_id
+      WHERE parent_object_id = OBJECT_ID(@tableName)
+      ORDER BY f.constraint_object_id ASC
+
+      SELECT TOP(1)
+         @secondParentCol = pc.[name]-- AS parent_column_name
+        ,@secondRefObj = OBJECT_NAME(rc.[object_id]) --as referenced_object_name
+      FROM sys.foreign_key_columns f 
+        INNER JOIN sys.columns pc ON pc.[object_id] = f.parent_object_id AND pc.column_id = f.parent_column_id
+        INNER JOIN sys.columns rc ON rc.[object_id] = f.referenced_object_id AND rc.column_id = f.referenced_column_id
+      WHERE parent_object_id = OBJECT_ID(@tableName)
+      ORDER BY f.constraint_object_id DESC
+    
+      SET @sql = N'
+        SELECT
+           @tableName
+          ,(SELECT COUNT(1) FROM dbo.' + @tableName + ' x WHERE EXISTS (SELECT 1 FROM ' + @source + '.' + @firstRefObj + ' s WHERE x.' + @firstParentCol + ' = s.ID) AND EXISTS (SELECT 1 FROM ' + @source + '.' + @secondRefObj + ' s WHERE x.' + @secondParentCol + ' = s.ID))
+          ,(SELECT COUNT(1) FROM dbo.' + @tableName + ' x WHERE EXISTS (SELECT 1 FROM [' + @targetSchema + '].' + @firstRefObj + ' s WHERE x.' + @firstParentCol + ' = s.ID) AND EXISTS (SELECT 1 FROM [' + @targetSchema + '].' + @secondRefObj + ' s WHERE x.' + @secondParentCol + ' = s.ID))
+        '  
+      
+    END
+    PRINT @tableName + ' - ' + @sql
+    
+    INSERT INTO @ResutlTable (TableName, SourceCount, TargetCount)
+    EXEC sys.sp_executesql @sql, N'@tableName nvarchar(200)', @tableName
+    
+    FETCH NEXT FROM tableCursor INTO @SchemaName, @TableName
+  END
+
+  CLOSE tableCursor
+  DEALLOCATE tableCursor
+
+  SELECT *, SourceCount-TargetCount AS Diff 
+  FROM @ResutlTable
+  ORDER BY ABS(SourceCount-TargetCount) DESC
+END
+