Frontend editing: forbid duplicates

  • Hi,

    I have a table containing books with the following columns: “Author”, “Title” and “Language”. I’d like to forbid frontend visitors to add a new row to my table if the content of all the columns already exists within the table.

    Example:

    Existing: Jack Kerouac / The Dharma Bums / English
Forbidded: Jack Kerouac / The Dharma Bums / English
Allowed: Jack Kerouac / The Dharma Bums / French

    Is there any way I can achieve this?

    Thanks in advance for your help.

    A. Mayer

    • This topic was modified 7 years, 2 months ago by antoinemayer.
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