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02_Move_procedures.sql
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/****************************************************************
Procedure: dbo.MOVE_up, MOVE_down, MOVE_left, MOVE_right
Create Date: 2021-11-28
Author: Tomaz Kastrun
Description: Reorganize the numbers in table (update)
based on the selected direction.
Procedure output: updates table: [dbo].[T_2048]
Parameter(s): @dim - size of the matrix; e.g.: 4 = 4x4
@move - directon of move and calculation.
Usage: EXEC dbo.MOVE_up
@dim = 4
ChangeLog:
*************************************************************** */
---- --------------------------
---- --------------------------
---- MOVE UP Procedure
---- --------------------------
---- --------------------------
CREATE OR ALTER PROCEDURE dbo.MOVE_up
@dim INT
AS
BEGIN
DECLARE @Column_counter INT = 2
Declare @max_column INT = (SELECT @dim + 2)
while @max_column > @Column_counter
BEGIN
-- Get first column name
DECLARE @col_name VARCHAR(10) = (SELECT COLUMN_NAME FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = 'T_2048' and ORDINAL_POSITION = @Column_counter)
print @col_name
DECLARE @sql1 NVARCHAR(2000) =
'SELECT id, ' + @col_name + ' as v FROM T_2048'
DROP TABLE IF EXISTS #temp;
create table #temp (id int, v int)
insert into #temp
EXEC sp_executesql @sql1
---------------------------------------
DECLARE @ii int = 1
while @dim-1 >= @ii -- število dimenzij
BEGIN
declare @i int = 1
while @dim > @i
begin
declare @vv_1 int = (select v from #temp where id = @i)
declare @vv_2 int = (select v from #temp where id = @i+1)
IF (@vv_1 = 0 AND @vv_2 <> 0)
BEGIN
update #temp set v = @vv_2 where id = @i
update #temp set v = 0 where id = @i+1
END
IF (@vv_1 <> 0 AND @vv_1 = @vv_2)
BEGIN
update #temp set v = @vv_1 + @vv_2 where id = @i
update #temp set v = 0 where id = @i+1
END
IF (@vv_1 <> 0 AND @vv_2 = 0)
BEGIN
Print 'Do nothing'
END
set @i = @i + 1
end
set @ii = @ii + 1
END
-- update back to T_2048 table from #temp table
DECLARE @sql_temp_update NVARCHAR(500)
SET @SQL_temp_update =
'UPDATE T20
SET '+@col_name+' = t.v
FROM t_2048 AS T20
JOIN #temp AS t
ON T20.id = t.id'
EXEC sp_executesql @SQL_temp_update
----------------------------------------
SET @Column_counter = @Column_counter + 1
END
END;
GO
---- --------------------------
---- --------------------------
---- MOVE DOWN Procedure
---- --------------------------
---- --------------------------
CREATE OR ALTER PROCEDURE dbo.MOVE_down
@dim INT
AS
BEGIN
DECLARE @Column_counter INT = 2
Declare @max_column INT = (SELECT @dim + 2)
while @max_column > @Column_counter
BEGIN
-- Get first column name
DECLARE @col_name VARCHAR(10) = (SELECT COLUMN_NAME FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = 'T_2048' and ORDINAL_POSITION = @Column_counter)
print @col_name
DECLARE @sql1 NVARCHAR(2000) =
'SELECT id, ' + @col_name + ' as v FROM T_2048'
DROP TABLE IF EXISTS #temp;
create table #temp (id int, v int)
insert into #temp
EXEC sp_executesql @sql1
---------------------------------------
-- DOWN
DECLARE @ii int = 1
while @dim-1 >= @ii
BEGIN
declare @i int = @dim
while 1 < @i
begin
declare @vv_1 int = (select v from #temp where id = @i)
declare @vv_2 int = (select v from #temp where id = @i-1)
IF (@vv_1 = 0 AND @vv_2 <> 0)
BEGIN
update #temp set v = @vv_2 where id = @i
update #temp set v = 0 where id = @i-1
END
IF (@vv_1 <> 0 AND @vv_1 = @vv_2)
BEGIN
update #temp set v = @vv_1 + @vv_2 where id = @i
update #temp set v = 0 where id = @i-1
END
IF (@vv_1 <> 0 AND @vv_2 = 0)
BEGIN
Print 'Do nothing'
END
set @i = @i - 1
end
set @ii = @ii + 1
END
-- update back to T_2048 table from #temp table
DECLARE @sql_temp_update NVARCHAR(500)
SET @SQL_temp_update =
'UPDATE T20
SET '+@col_name+' = t.v
FROM t_2048 AS T20
JOIN #temp AS t
ON T20.id = t.id'
EXEC sp_executesql @SQL_temp_update
----------------------------------------
SET @Column_counter = @Column_counter + 1
END
END;
GO
---- --------------------------
---- --------------------------
---- MOVE LEFT Procedure
---- --------------------------
---- --------------------------
CREATE OR ALTER PROCEDURE dbo.MOVE_left
@dim INT
AS
BEGIN
DECLARE @row_counter INT = 1
while @dim >= @row_counter
BEGIN
DECLARE @header NVARCHAR(4000) = ''
SET @header = 'drop table if exists dbo.tmp
select
row_number() over (order by (select 1)) as id
, v1
into dbo.tmp
from (
select '
DECLARE @col_names NVARCHAR(4000)
SELECT @col_names = COALESCE(@col_names + ' as v1 from T_2048 WHERE ID = '+CAST(@row_counter AS CHAR(10))+ '
union all
select ' , '') + COLUMN_NAME FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = 'T_2048' AND COLUMN_NAME NOT IN ('ID')
DECLARE @foot NVARCHAR(500) = ''
SET @foot = ' from T_2048 WHERE ID = '+CAST(@row_counter AS CHAR(10))+'
) as x
'
DECLARE @sql NVARCHAR(4000) = ''
SET @sql = @header + @col_names + @foot
print @sql
EXEC sp_executesql @sql
DECLARE @ii int = 1
WHILE @dim - 1 >= @ii
BEGIN
declare @i int = @dim
while 1 < @i
begin
declare @vv_1 int = (select v1 from dbo.tmp where id = @i)
declare @vv_2 int = (select v1 from dbo.tmp where id = @i-1)
IF (@vv_1 = 0 AND @vv_2 <> 0)
BEGIN
update dbo.tmp set v1 = @vv_2 where id = @i
update dbo.tmp set v1 = 0 where id = @i-1
END
IF (@vv_1 <> 0 AND @vv_1 = @vv_2)
BEGIN
update dbo.tmp set v1 = @vv_1 + @vv_2 where id = @i
update dbo.tmp set v1 = 0 where id = @i-1
END
set @i = @i - 1
END
set @ii = @ii + 1
END
-- final update to table T_2048
DECLARE @y int = 1
WHILE @y <= @dim
BEGIN
declare @val int = (select v1 from dbo.tmp where id = @y)
declare @s nvarchar(500)
set @s = 'UPDATE dbo.T_2048
set v' + CAST(@y AS VARCHAR(10)) + '= ' + CAST(@val AS VARCHAR(10)) + '
WHERE ID = ' + CAST(@row_counter AS VARCHAR(10))
EXEC sp_executesql @s
set @y = @y + 1
END
SET @row_counter = @row_counter + 1
SET @header = NULL
SET @col_names = NULL
SET @foot = NULL
SET @sql = NULL
END
END;
GO
---- --------------------------
---- --------------------------
---- MOVE RIGHT Procedure
---- --------------------------
---- --------------------------
CREATE OR ALTER PROCEDURE dbo.MOVE_right
@dim INT
AS
BEGIN
DECLARE @row_counter INT = 1
while @dim >= @row_counter
BEGIN
DECLARE @header NVARCHAR(4000) = ''
SET @header = 'drop table if exists dbo.tmp
select
row_number() over (order by (select 1)) as id
, v1
into dbo.tmp
from (
select '
DECLARE @col_names NVARCHAR(4000)
SELECT @col_names = COALESCE(@col_names + ' as v1 from T_2048 WHERE ID = '+CAST(@row_counter AS CHAR(10))+ '
union all
select ' , '') + COLUMN_NAME FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = 'T_2048' AND COLUMN_NAME NOT IN ('ID')
DECLARE @foot NVARCHAR(500) = ''
SET @foot = ' from T_2048 WHERE ID = '+CAST(@row_counter AS CHAR(10))+'
) as x
'
DECLARE @sql NVARCHAR(4000) = ''
SET @sql = @header + @col_names + @foot
print @sql
EXEC sp_executesql @sql
DECLARE @ii int = 1
WHILE @dim - 1 >= @ii
BEGIN
declare @i int = 1
while @dim > @i
begin
declare @vv_1 int = (select v1 from dbo.tmp where id = @i)
declare @vv_2 int = (select v1 from dbo.tmp where id = @i+1)
IF (@vv_1 = 0 AND @vv_2 <> 0)
BEGIN
update dbo.tmp set v1 = @vv_2 where id = @i
update dbo.tmp set v1 = 0 where id = @i+1
END
IF (@vv_1 <> 0 AND @vv_1 = @vv_2)
BEGIN
update dbo.tmp set v1 = @vv_1 + @vv_2 where id = @i
update dbo.tmp set v1 = 0 where id = @i+1
END
set @i = @i + 1
END
set @ii = @ii + 1
END
-- final update to table T_2048
DECLARE @y int = 1
WHILE @y <= @dim
BEGIN
declare @val int = (select v1 from dbo.tmp where id = @y)
declare @s nvarchar(500)
set @s = 'UPDATE dbo.T_2048
set v' + CAST(@y AS VARCHAR(10)) + '= ' + CAST(@val AS VARCHAR(10)) + '
WHERE ID = ' + CAST(@row_counter AS VARCHAR(10))
EXEC sp_executesql @s
set @y = @y + 1
END
SET @row_counter = @row_counter + 1
SET @header = NULL
SET @col_names = NULL
SET @foot = NULL
SET @sql = NULL
END
END;
GO