create procedure Test_sp_generation
@columnname sysname = NULL
as
set nocount on
declare @dbname sysname
,@objid int
,@BlankSpaceAdded int
,@BasePos int
,@CurrentPos int
,@TextLength int
,@LineId int
,@AddOnLen int
,@LFCR int --lengths of line feed carriage return
,@DefinedLength int
/* NOTE: Length of @SyscomText is 4000 to replace the length of
** text column in syscomments.
** lengths on @Line, #CommentText Text column and
** value for @DefinedLength are all 255. These need to all have
** the same values. 255 was selected in order for the max length
** display using down level clients
*/
,@SyscomText nvarchar(4000)
,@Line nvarchar(255)
select @DefinedLength = 255
select @BlankSpaceAdded = 0 /*Keeps track of blank spaces at end of lines. Note Len function ignores
trailing blank spaces*/
CREATE TABLE #CommentText
(LineId int
,Text nvarchar(255) collate database_default)
declare ms_crs_syscom CURSOR LOCAL
FOR select text FROM SysComments
WHERE ID
IN
(
SELECT Id
FROM SysObjects
WHERE XType = 'p'
)
FOR READ ONLY
/*
** else get the text.
*/
select @LFCR = 2
select @LineId = 1
OPEN ms_crs_syscom
FETCH NEXT from ms_crs_syscom into @SyscomText
WHILE @@fetch_status >= 0
begin
select @BasePos = 1
select @CurrentPos = 1
select @TextLength = LEN(@SyscomText)
WHILE @CurrentPos != 0
begin
--Looking for end of line followed by carriage return
select @CurrentPos = CHARINDEX(char(13)+char(10), @SyscomText, @BasePos)
--If carriage return found
IF @CurrentPos != 0
begin
/*If new value for @Lines length will be > then the
**set length then insert current contents of @line
**and proceed.
*/
while (isnull(LEN(@Line),0) + @BlankSpaceAdded + @CurrentPos-@BasePos + @LFCR) > @DefinedLength
begin
select @AddOnLen = @DefinedLength-(isnull(LEN(@Line),0) + @BlankSpaceAdded)
INSERT #CommentText VALUES
( @LineId,
isnull(@Line, N'') + isnull(SUBSTRING(@SyscomText, @BasePos, @AddOnLen), N''))
select @Line = NULL, @LineId = @LineId + 1,
@BasePos = @BasePos + @AddOnLen, @BlankSpaceAdded = 0
end
select @Line = isnull(@Line, N'') + isnull(SUBSTRING(@SyscomText, @BasePos, @CurrentPos-@BasePos + @LFCR), N'')
select @BasePos = @CurrentPos+2
INSERT #CommentText VALUES( @LineId, @Line )
select @LineId = @LineId + 1
select @Line = NULL
end
else
--else carriage return not found
begin
IF @BasePos <= @TextLength
begin
/*If new value for @Lines length will be > then the
**defined length
*/
while (isnull(LEN(@Line),0) + @BlankSpaceAdded + @TextLength-@BasePos+1 ) > @DefinedLength
begin
select @AddOnLen = @DefinedLength - (isnull(LEN(@Line),0) + @BlankSpaceAdded)
INSERT #CommentText VALUES
( @LineId,
isnull(@Line, N'') + isnull(SUBSTRING(@SyscomText, @BasePos, @AddOnLen), N''))
select @Line = NULL, @LineId = @LineId + 1,
@BasePos = @BasePos + @AddOnLen, @BlankSpaceAdded = 0
end
select @Line = isnull(@Line, N'') + isnull(SUBSTRING(@SyscomText, @BasePos, @TextLength-@BasePos+1 ), N'')
if LEN(@Line) < @DefinedLength and charindex(' ', @SyscomText, @TextLength+1 ) > 0
begin
select @Line = @Line + ' ', @BlankSpaceAdded = 1
end
end
end
end
FETCH NEXT from ms_crs_syscom into @SyscomText
end
IF @Line is NOT NULL
INSERT #CommentText VALUES( @LineId, @Line )
select Text from #CommentText order by LineId
CLOSE ms_crs_syscom
DEALLOCATE ms_crs_syscom
DROP TABLE #CommentText
return (0) -- sp_helptext
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