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  Public Ticket #3116217
joined db
Closed

Comments

  • Franz Horvath started the conversation
    September 1, 2022 at 10:21am

    How to adress the vars in a joined db?

    Per example, I have a mysql-db-structure:

    SELECT dict.`de`,
           dict.`el`,
           dict.`kondek`,
           ….
           kondek.`kon-art`,
           kondek.`s1p`,
           kondek.`s2p`,
          ….
    FROM dict
      LEFT JOIN kondek
         ON dict.`kondek` = kondek.`kon-art`

    I can name %de%, %el%, … %kondek%, and wpDataTables evaluates them correcly.  %s1p%,  %s2p% not.

    Is wpDataTables not able to do so?

    Please, can you help me?


    best regards,

    Franz Horvath


  •  1,896
    Miloš replied
    September 5, 2022 at 1:05pm

    Hi, Franz

    Firstly, I would like to sincerely apologize for the delayed response as we have been experiencing an unusually high number of tickets. I am sorry that it has taken longer than usual to respond to your concern and your patience is highly appreciated.

    -

    We are not completely sure that we understood all the details that you described.

    Generally speaking, when we do a "LEFT JOIN" in SQL, 

    it returns all records from the left (first) table and the matched records from the right (second) table. If there is no match for a specific record, you’ll get NULLs in the corresponding columns of the right table.

    6554631047.png

    You can see more details here, if you wish.

    -


    I am sorry, but we did not understand what you meant in this part :

    ' I can name %de%, %el%, … %kondek%, and wpDataTables evaluates them correcly. %s1p%, %s2p% not. '

    Could you please elaborate more about this in more details, or even better with a video /  and / or screenshots,

    so that we can better understand what you mean by this? Thank you

    Kind Regards, 

    Miloš Jovanović
    [email protected]

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