Función 1
Create FUNCTION [dbo].[fn_BraekTextInLines]
(
-- Add the parameters for the function here
@InString varchar(max),
@LineLength int
)
RETURNS nvarchar(max)
AS
BEGIN
if @LineLength <=0 or @LineLength> LEN(@InString)
return @InString
declare @tmp varchar(max)
declare @result varchar(max)
DECLARE @word varchar (max);
declare @addedInResult bit
DECLARE c CURSOR LOCAL STATIC READ_ONLY FORWARD_ONLY
FOR SELECT s FROM SplitMax(@InString,'');
OPEN c;
FETCH NEXT FROM c INTO @word;
--set @tmp [email protected]
WHILE @@FETCH_STATUS = 0
BEGIN
if LEN(@tmp + ' ' + @word) < @LineLength
begin
set @tmp = @tmp + ' ' + @word
set @addedInResult = 0
end
else
begin
set @result = isnull(@result, ' ') + CHAR(13) + RTRIM(LTRIM( @tmp))
set @tmp = @word
set @addedInResult = 1
end
FETCH NEXT FROM c INTO @word;
if @@FETCH_STATUS <> 0
begin
set @result = isnull(@result, ' ') + CHAR(13) + RTRIM(LTRIM( @tmp))
set @addedInResult = 1
end
END
CLOSE c;
DEALLOCATE c;
if @addedInResult=0
begin
set @result = isnull(@result, ' ') + CHAR(13) + RTRIM(LTRIM( @tmp))
end
return @result
END
Función 2
Create FUNCTION [dbo].[fn_WrapString]
(
-- Add the parameters for the function here
@InString varchar(max),
@LineLength int
)
RETURNS nvarchar(max)
AS
BEGIN
declare @result varchar(max)
declare @tmp varchar(max)
DECLARE @Line varchar (max);
DECLARE c CURSOR LOCAL STATIC READ_ONLY FORWARD_ONLY
FOR SELECT s FROM SplitMax(@InString,CHAR(13));
OPEN c;
FETCH NEXT FROM c INTO @Line;
WHILE @@FETCH_STATUS = 0
BEGIN
set @tmp = dbo.fn_BraekTextInLines(@Line,@LineLength)
set @result = isnull(@result,' ') + @tmp
FETCH NEXT FROM c INTO @Line;
END
CLOSE c;
DEALLOCATE c;
return Rtrim(Ltrim(@result))
END
Función 3
ALTER FUNCTION [dbo].[SplitMax](@String VARCHAR(max), @Delimiter CHAR(1))
RETURNS @temptable TABLE (s VARCHAR(max))
AS
BEGIN
DECLARE @idx INT
DECLARE @slice VARCHAR(max)
SELECT @idx = 1
IF len(@String)<1 OR @String IS NULL RETURN
while @idx!= 0
BEGIN
SET @idx = charindex(@Delimiter,@String)
IF @idx!=0
SET @slice = LEFT(@String,@idx - 1)
ELSE
SET @slice = @String
IF(len(@slice)>0)
INSERT INTO @temptable(s) VALUES(@slice)
SET @String = RIGHT(@String,len(@String) - @idx)
IF len(@String) = 0 break
END
RETURN
END
Función de llamada fn_WrapString para envolver el texto
declare @name varchar(max)
set @name = 'Ine was King of Wessex from 688 to 726. He was'+ CHAR(13) +'unable to retain the territorial gains of his predecessor, Cædwalla, who had brought much of southern England under his'
print dbo.fn_WrapString(@name,60)
Salida:
Ine was King of Wessex from 688 to 726. He was
unable to retain the territorial gains of his predecessor,
Cædwalla, who had brought much of southern England under
his
