Avoiding loop so want to use CTE

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Avoiding loop so want to use CTE

Guras

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Points: 6513
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March 9, 2015 at 11:05 am

#295031

I have the following table where I store the QuerystringTBL
QueryString, MatchId
-----------------------------
CodeValue between 1 and 100
DateValue >= '01/01/2015'
I want to get the querystring in one string something like
@strWHERE = CodeValue between 1 and 100 and DateValue >= '01/01/2015'
Is it possible using a CTE? I can do this using a while loop but since that is not an efficient code I wanted to use CTE. I have the following then after that I am stuck.
WITH CTE_query (query)
AS
(
SELECT Query from QueryStringTBL where matchId = 1
)

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Jeff Moden SSC Guru Points: 1000539 More actions · Answer 1

Guras (3/9/2015)
I have the following table where I store the QuerystringTBL
QueryString, MatchId
-----------------------------
CodeValue between 1 and 100
DateValue >= '01/01/2015'
I want to get the querystring in one string something like
@strWHERE = CodeValue between 1 and 100 and DateValue >= '01/01/2015'
Is it possible using a CTE? I can do this using a while loop but since that is not an efficient code I wanted to use CTE. I have the following then after that I am stuck.
WITH CTE_query (query)
AS
(
SELECT Query from QueryStringTBL where matchId = 1
)

I guess I don't understand the question. If I'm reading it correctly, you don't need a loop or a CTE. If I'm not reading it correctly, is it that you want to generate the values of 1 to 100 for CodeValue?

--Jeff Moden

RBAR is pronounced "ree-bar" and is a "Modenism" for Row-By-Agonizing-Row.
First step towards the paradigm shift of writing Set Based code:
________Stop thinking about what you want to do to a ROW... think, instead, of what you want to do to a COLUMN.
"Change is inevitable... change for the better is not".

Helpful Links:
How to post code problems
How to Post Performance Problems
Create a Tally Function (fnTally)
Intro to Tally Tables and Functions

Guras SSCertifiable Points: 6513 More actions · Answer 2

No. I am building the where clause based on the rows for matchId 1 from the table. I want all the matching rows concatenated to a string as the result set.

Thanks