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Editorial Team
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Asked: 2026-06-16T01:06:43+00:00

I’d like to get this working, but Postgres doesn’t like having the WHERE clause

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I’d like to get this working, but Postgres doesn’t like having the WHERE clause in this type of insert.

  INSERT INTO keys(name, value) VALUES
    ('blah', 'true')
  WHERE NOT EXISTS (
    SELECT 1 FROM keys WHERE name='blah'
  );
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1 Answer

  1. Editorial Team

    In Postgres, there is a really nice way to do that:

    INSERT INTO keys(name, value) 
    SELECT 'blah', 'true'
WHERE NOT EXISTS (
    SELECT 1 FROM keys WHERE name='blah'
);

    hope that helps.-

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