fix collation bug

Author: lowlydba

sp_estindex.sql

@@ -293,21 +293,21 @@ BEGIN TRY
 
     --Get index columns in same format as dmv table
     SET @Sql = CONCAT(@UseDatabase,
-    N'SELECT    @QuotedKeyColumns = CASE [ic].[is_included_column] WHEN 0
-									THEN COALESCE(@QuotedKeyColumns + '', '', '''') + QUOTENAME([ac].[name])
-									ELSE @QuotedKeyColumns 
+    N'SELECT    @QuotedKeyColumns = CASE WHEN [ic].[is_included_column] = 0 
+									THEN CONCAT(COALESCE(@QuotedKeyColumns COLLATE DATABASE_DEFAULT + '', '', ''''), QUOTENAME([ac].[name]))
+									ELSE @QuotedKeyColumns
                                     END,
-	            @QuotedInclColumns = CASE [ic].[is_included_column] WHEN 1
-									THEN COALESCE(@QuotedInclColumns + '', '', '''') + QUOTENAME([ac].[name])
-									ELSE @QuotedInclColumns 
-                                    END
-    FROM [sys].[indexes] AS [i]
+	            @QuotedInclColumns = CASE WHEN [ic].[is_included_column] = 1
+									THEN CONCAT(COALESCE(@QuotedInclColumns COLLATE DATABASE_DEFAULT + '', '', ''''), QUOTENAME([ac].[name]))
+									ELSE @QuotedInclColumns
+                                    END 
+    FROM [sys].[indexes] AS [i] 
         INNER JOIN [sys].[index_columns] AS [ic] ON [i].[index_id] = [ic].[index_id]
             AND [ic].object_id = [i].object_id
-        INNER JOIN [sys].[all_columns] AS [ac] ON [ac].object_id = [ic].object_id
+        INNER JOIN [sys].[all_columns] AS [ac] ON [ac].[object_id] = [ic].[object_id]
             AND [ac].[column_id] = [ic].[column_id]
     WHERE [i].[name] = @IndexName
-        AND [i].[object_id] = @ObjectID
+        AND [i].[object_id] = @ObjectID 
         AND [i].[is_hypothetical] = 1;');
     SET @ParmDefinition = N'@IndexName SYSNAME, @ObjectID INT, @QuotedKeyColumns NVARCHAR(2048) OUTPUT, @QuotedInclColumns NVARCHAR(2048) OUTPUT';
 	EXEC sp_executesql @Sql