Add Temporal Table Maker script

Author: ktaranov

Scripts/Temporal_Table_Maker.sql

@@ -0,0 +1,157 @@
+/*
+Author: Bill Fellows
+Original link: http://billfellows.blogspot.ru/2017/10/temporal-table-maker.html
+*/
+
+DECLARE
+    @query nvarchar(4000)
+,   @targetSchema sysname = 'dbo_HISTORY'
+,   @tableName sysname
+,   @targetFileGroup sysname = 'History';
+
+DECLARE
+    CSR CURSOR
+FAST_FORWARD
+FOR
+SELECT ALL
+    CONCAT(
+    'SELECT * FROM '
+    ,   S.name
+    ,   '.'
+    ,   T.name)
+,   T.name
+FROM 
+    sys.schemas AS S
+    INNER JOIN sys.tables AS T
+    ON T.schema_id = S.schema_id
+WHERE
+    1=1
+    AND S.name = 'dbo'
+    AND T.name NOT IN
+    (SELECT TI.name FROM sys.schemas AS SI INNER JOIN sys.tables AS TI ON TI.schema_id = SI.schema_id WHERE SI.name = @targetSchema);
+
+OPEN CSR;
+FETCH NEXT FROM CSR INTO @query, @tableName;
+WHILE @@FETCH_STATUS = 0
+BEGIN
+    -- do something
+    SELECT
+        CONCAT
+    (
+        'CREATE TABLE '
+    ,   @targetSchema
+    ,   '.'
+    ,   @tableName
+    ,   '('
+    ,   STUFF
+        (
+            (
+            SELECT
+                CONCAT
+                (
+                    ','
+                ,   DEDFRS.name
+                ,   ' '
+                ,   DEDFRS.system_type_name
+                ,   ' '
+                ,   CASE DEDFRS.is_nullable
+                    WHEN 1 THEN ''
+                    ELSE 'NOT '
+                    END
+                ,   'NULL'
+                )
+            FROM
+                sys.dm_exec_describe_first_result_set(@query, N'', 1) AS DEDFRS
+            ORDER BY
+                DEDFRS.column_ordinal
+            FOR XML PATH('')
+            )
+        ,   1
+        ,   1
+        ,   ''
+        )
+        ,   ', SysStartTime datetime2(7) NOT NULL'
+        ,   ', SysEndTime datetime2(7) NOT NULL'
+        ,   ')'
+        ,   ' ON '
+        ,   @targetFileGroup
+        ,   ';'
+        ,   CHAR(13)
+        ,   'CREATE CLUSTERED COLUMNSTORE INDEX CCI_'
+        ,   @targetSchema
+        ,   '_'
+        ,   @tableName
+        ,   ' ON '
+        ,   @targetSchema
+        ,   '.'
+        ,   @tableName
+        ,   ' ON '
+        ,   @targetFileGroup
+        ,   ';'
+        ,   CHAR(13)
+        ,   'CREATE NONCLUSTERED INDEX IX_'
+        ,   @targetSchema
+        ,   '_'
+        ,   @tableName
+        ,   '_PERIOD_COLUMNS '
+        ,   ' ON '
+        ,   @targetSchema
+        ,   '.'
+        ,   @tableName
+
+        ,   '('
+        ,   'SysEndTime'
+        ,   ',SysStartTime'
+        ,   (
+                SELECT
+                    CONCAT
+                    (
+                        ','
+                    ,   DEDFRS.name
+                    )
+                FROM
+                    sys.dm_exec_describe_first_result_set(@query, N'', 1) AS DEDFRS
+                WHERE
+                    DEDFRS.is_part_of_unique_key = 1
+                ORDER BY
+                    DEDFRS.column_ordinal
+                FOR XML PATH('')
+                )
+        ,   ')'
+        ,   ' ON '
+        ,   @targetFileGroup
+        ,   ';'
+        ,   CHAR(13)
+        ,   'ALTER TABLE '
+        ,   'dbo'
+        ,   '.'
+        ,   @tableName
+        ,   ' ADD '
+        ,   'SysStartTime datetime2(7) GENERATED ALWAYS AS ROW START HIDDEN'
+        ,   ' CONSTRAINT DF_'
+        ,   'dbo_'
+        ,   @tableName
+        ,   '_SysStartTime DEFAULT SYSUTCDATETIME()'
+        ,   ', SysEndTime datetime2(7) GENERATED ALWAYS AS ROW END HIDDEN'
+        ,   ' CONSTRAINT DF_'
+        ,   'dbo_'
+        ,   @tableName
+        ,   '_SysEndTime DEFAULT DATETIME2FROMPARTS(9999, 12, 31, 23,59, 59,9999999,7)'
+        ,   ', PERIOD FOR SYSTEM_TIME (SysStartTime, SysEndTime);'
+        ,   CHAR(13)
+        ,   'ALTER TABLE '
+        ,   'dbo'
+        ,   '.'
+        ,   @tableName
+        ,   ' SET (SYSTEM_VERSIONING = ON (HISTORY_TABLE = '
+        ,   @targetSchema
+        ,   '.'
+        ,   @tableName
+        ,   '));'
+
+    );
+
+FETCH NEXT FROM CSR INTO @query, @tableName;
+END
+CLOSE CSR;
+DEALLOCATE CSR;