• Status: Solved
  • Priority: Medium
  • Security: Public
  • Views: 94
  • Last Modified:

query syntax (INNER JOIN)

I have a table that saves comma separated values, such as :  1,3,5
This values are the ID of records on a different table, called "Admintags"

When I add a record for a 'casecomment' one of the columns is called 'tags'  and this is where I save those comma separated values.

I have the following query:

 SELECT  
			a.CaseID ,
            a.tags,
            a.Comments
          
    FROM    dbo.Casecomments a

Open in new window


That will return the following values:
caseid  | tags  | comment
30638  |  1, 5  | Client will be traveling to Mexico City from Dec 15th until Jan 2nd.

What I need the query to return is the value of those tags from the 'tags' table. The tags table is very simple, it only has two columns
id = the ids saved above
tag_text = the text value of the tag, this is what I need in return:

30638 |  Travel date, Billing | Client will be traveling to Mexico City from Dec 15th until Jan 2nd.

which are the corresponding values of 1 and 5 in the "Admintags" table.

1	Travel Date
2	Agreement
3	Billing
4	Contact method
5	Email 

Open in new window


How can I do an inner join to display those values instead of the ID's that I have in the casecomments table ?
0
Aleks
Asked:
Aleks
  • 9
  • 8
1 Solution
 
YZlatCommented:
MySQL does not have split function so you will havetowrite your own. You could find substring_index to be of use
0
 
AleksAuthor Commented:
I have a split function. I just don't know how to use it in this instance. Below is my function:

USE [BlueDot]
GO
/****** Object:  UserDefinedFunction [dbo].[Split]    Script Date: 07/25/2016 19:29:13 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
CREATE function [dbo].[Split] (@list nvarchar(max), @delim nchar(1) = ',')

returns table as

return
   with csvtbl(start, [stop]) as (
     select start = convert(bigint, 1), [stop] = charindex(@delim collate slovenian_bin2, @list + @delim)
     union all
     select start = [stop] + 1, [stop] = charindex(@delim collate slovenian_bin2, @list + @delim, [stop] + 1)
     from   csvtbl
     where  [stop] > 0
  )
  select ltrim(rtrim(substring(@list, start, case when [stop] > 0 then [stop] - start else 0 end))) as value
  from   csvtbl
  where  ([stop] > 0)
  and (ltrim(rtrim(substring(@list, start, case when [stop] > 0 then [stop] - start else 0 end))) <> '')

Open in new window

0
 
SharathData EngineerCommented:
Your SPLIT function syntax looks like SQL Server. Are you using SQL Server or MySQL?
0
Concerto Cloud for Software Providers & ISVs

Can Concerto Cloud Services help you focus on evolving your application offerings, while delivering the best cloud experience to your customers? From DevOps to revenue models and customer support, the answer is yes!

Learn how Concerto can help you.

 
AleksAuthor Commented:
MS SQL 2008R2
0
 
SharathData EngineerCommented:
try this.
;WITH CTE AS (
SELECT a.CaseID ,
           t.tag_text,
            a.Comments
  FROM Casecomments a
 CROSS APPLY Split(tags,',') s
  JOIN tags t ON s.value = t.id)
SELECT DISTINCT CaseID,
       rtrim(substring(isnull((select ','+tag_text from CTE t2 where t1.CaseiD = t2.CaseID for xml path('')),' '),2,2000)) tags,
       Comments
  FROM CTE t1
0
 
AleksAuthor Commented:
Something may be wrong in the select, this is what I changed it to since the table name was incorrect.

WITH    CTE
          AS ( SELECT   a.CaseID ,
                        t.tag_text ,
                        a.Comments
               FROM     Casecomments a
                        CROSS APPLY Split(tags, ',') s
                        JOIN dbo.AdminTags t ON s.value = t.id
             )
    SELECT DISTINCT
            CaseID ,
            RTRIM(SUBSTRING(ISNULL(( SELECT ',' + tag_text
                                     FROM   CTE t2
                                     WHERE  t1.CaseID = t2.CaseID
                                   FOR
                                     XML PATH('')
                                   ), ' '), 2, 2000)) tags ,
            Comments
    FROM    CTE t1; 

Open in new window


I get this error:

Msg 321, Level 15, State 1, Line 6
"tags" is not a recognized table hints option. If it is intended as a parameter to a table-valued function or to the CHANGETABLE function, ensure that your database compatibility mode is set to 90.

Open in new window

0
 
SharathData EngineerCommented:
Is it not a column in your table, Casecomments? I am passing the column tags to your Split function to split it into multiple records.
0
 
AleksAuthor Commented:
Also, is there a way to use the split function I already have ?
0
 
SharathData EngineerCommented:
I used your split function only. To be specific, you can use with 3-part name.
WITH    CTE
          AS ( SELECT   a.CaseID ,
                        t.tag_text ,
                        a.Comments
               FROM     Casecomments a
                        CROSS APPLY BlueDot .dbo.Split(a.tags, ',') s
                        JOIN dbo.AdminTags t ON s.value = t.id
             )
    SELECT DISTINCT
            CaseID ,
            RTRIM(SUBSTRING(ISNULL(( SELECT ',' + tag_text
                                     FROM   CTE t2
                                     WHERE  t1.CaseID = t2.CaseID
                                   FOR
                                     XML PATH('')
                                   ), ' '), 2, 2000)) tags ,
            Comments
    FROM    CTE t1; 

Open in new window

0
 
SharathData EngineerCommented:
like this
WITH    CTE
          AS ( SELECT   a.CaseID ,
                        t.tag_text ,
                        a.Comments
               FROM     Casecomments a
                        CROSS APPLY BlueDot.dbo.Split(a.tags, ',') s
                        JOIN dbo.AdminTags t ON s.value = t.id
             )
    SELECT DISTINCT
            CaseID ,
            RTRIM(SUBSTRING(ISNULL(( SELECT ',' + tag_text
                                     FROM   CTE t2
                                     WHERE  t1.CaseID = t2.CaseID
                                   FOR
                                     XML PATH('')
                                   ), ' '), 2, 2000)) tags ,
            Comments
    FROM    CTE t1; 

Open in new window

0
 
AleksAuthor Commented:
I got this error now:

Msg 102, Level 15, State 1, Line 6
Incorrect syntax near '.'.
0
 
SharathData EngineerCommented:
In my SSMS, It didn't return any error. May be any invisible character. Can you paste in any text editor and copy from there.
0
 
AleksAuthor Commented:
I did and still get the same error. error
0
 
SharathData EngineerCommented:
You may have some unprintable characters like LF or CR in the script. Notepad++ may be helpful to get them.
0
 
AleksAuthor Commented:
That is what I used
0
 
SharathData EngineerCommented:
Can you give a try on this.
;WITH CTE 
     AS (SELECT a.CaseID, 
                t.tag_text, 
                a.Comments 
           FROM Casecomments a 
                CROSS APPLY BlueDot.dbo.Split(a.tags, ',') s 
                JOIN dbo.AdminTags t 
                  ON s.value = t.id) 
SELECT DISTINCT CaseID, 
                Rtrim(Substring(Isnull((SELECT ',' + tag_text 
                                          FROM CTE t2 
                                         WHERE t1.CaseID = t2.CaseID 
                                        FOR XML PATH('')), ' '), 2, 2000)) tags, 
                Comments 
  FROM CTE t1; 

Open in new window

0
 
AleksAuthor Commented:
Still get the same error  :$
Is there another way to split the numbers and join them to the admincatalog table ?
0
 
AleksAuthor Commented:
I decided to store the actual tags in text instead of the numbers so I don't have to do a join and split each value, I can simply display the text tags as they are in the database. I will split points. Thanks for trying.
0

Featured Post

Industry Leaders: We Want Your Opinion!

We value your feedback.

Take our survey and automatically be enter to win anyone of the following:
Yeti Cooler, Amazon eGift Card, and Movie eGift Card!

  • 9
  • 8
Tackle projects and never again get stuck behind a technical roadblock.
Join Now