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Fixed logic for excluding link text from search

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Rich 2009-08-05 21:10:37 +00:00
parent eeef43e48e
commit a646c399a3
1 changed files with 48 additions and 34 deletions
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82
PROMS/SQL/PROMS2010.SQL
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@ -10363,33 +10363,6 @@ GO
IF EXISTS (SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID(N'[vefn_FirstLink]') AND OBJECTPROPERTY(id,N'IsScalarFunction') = 1)
DROP FUNCTION [vefn_FirstLink];
GO
/*
select .dbo.vefn_FirstLink('asdasdadsasd' + char(21) + 'asdasdasd\vasdasdasd', 2)
select .dbo.vefn_FirstLink('asdasdadsasd' + char(21) + 'asdasdasd\vasdasdasd', 1)
select .dbo.vefn_FirstLink('asdasdadsasd' + char(21) + 'asdasdasd\vasdasdasd', 0)
*/
CREATE FUNCTION [dbo].[vefn_FirstLink](@text nvarchar(MAX),@includeLink int)
RETURNS int
WITH EXECUTE AS OWNER
AS
BEGIN
DECLARE @index int
SET @index = 0
if(@includeLink = 2)
RETURN 0
if(@includeLink = 1)
return CHARINDEX('\v' , @text)
DECLARE @index2 int
SET @index = PATINDEX('%[' + nchar(9574)+nchar(9516)+nchar(21) + ']%',@text)
return @index
END
GO
-- Display the status of Proc creation
IF (@@Error = 0) PRINT 'ScalarFunction Creation: vefn_FirstLink Succeeded'
ELSE PRINT 'ScalarFunction Creation: vefn_FirstLink Error on Creation'
GO
/****** Object: StoredProcedure [vefn_FixSearchString] ******/
IF EXISTS (SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID(N'[vefn_FixSearchString]') AND OBJECTPROPERTY(id,N'IsScalarFunction') = 1)
@ -10603,13 +10576,11 @@ AS
BEGIN
DECLARE @index int
DECLARE @index2 int
SET @index = .dbo.vefn_FirstLink(@text,@includeLink)
while (@index != 0)
BEGIN
SET @index2 = CHARINDEX('\v0' , @text)
SET @text = substring(@text,1,@index-1) + substring(@text,@index2+3,len(@text))
SET @index = .dbo.vefn_FirstLink(@text,@includeLink)
END
-- Strip Links
IF @includeLink = 0 -- Remove Links
SET @text = [dbo].[vefn_RemoveRange](@text,'<START]' ,'[END>')
IF @includeLink < 2 -- Remove Comments
SET @text = [dbo].[vefn_RemoveRange](@text,'\v' ,'\v0')
if(@includeRtfFormatting=0)
-- Remove Rtf Formatting
BEGIN
@ -10675,6 +10646,49 @@ IF (@@Error = 0) PRINT 'ScalarFunction Creation: vefn_RemoveExtraText Succeeded'
ELSE PRINT 'ScalarFunction Creation: vefn_RemoveExtraText Error on Creation'
GO
/****** Object: StoredProcedure [vefn_RemoveRange] ******/
IF EXISTS (SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID(N'[vefn_RemoveRange]') AND OBJECTPROPERTY(id,N'IsScalarFunction') = 1)
DROP FUNCTION [vefn_RemoveRange];
GO
/*
SELECT ContentID, text, [dbo].[vefn_RemoveRange](text,'<START]','[END>') StrippedText
from contents
where contentid in (select top 25 ContentID from contents where text like '%[[]END>%')
select top 25 * from contents where text like '%[[]END>%'
SELECT ContentID, [dbo].[vefn_RemoveRange](text,'<START]','[END>') StrippedText
from contents
where contentid =189
*/
CREATE FUNCTION [dbo].[vefn_RemoveRange](@text nvarchar(MAX),@startToken nvarchar(MAX), @endToken nvarchar(MAX))
RETURNS varchar(MAX)
WITH EXECUTE AS OWNER
AS
BEGIN
DECLARE @index int
DECLARE @index2 int
DECLARE @lenStartToken int
DECLARE @lenEndToken int
SET @lenStartToken = len(@startToken)
SET @lenEndToken = len(@endToken)
SET @index = CHARINDEX(@startToken , @text)
while (@index != 0)
BEGIN
SET @index2 = CHARINDEX(@endToken , @text, @index + @lenStartToken)
SET @text = substring(@text,1,@index-1) + substring(@text,@index2+@lenEndToken,len(@text))
SET @index = CHARINDEX(@startToken , @text)
END
RETURN @text
END
GO
-- Display the status of Proc creation
IF (@@Error = 0) PRINT 'ScalarFunction Creation: vefn_RemoveRange Succeeded'
ELSE PRINT 'ScalarFunction Creation: vefn_RemoveRange Error on Creation'
GO
/****** Object: StoredProcedure [vefn_SiblingAndChildrenItems] ******/
IF EXISTS (SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID(N'[vefn_SiblingAndChildrenItems]') AND OBJECTPROPERTY(id,N'IsTableFunction') = 1)
DROP FUNCTION [vefn_SiblingAndChildrenItems];