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I am looking for an SQL validator / Syntax Checker which can be executed via CLI.

Must-haves:

  • Be able to check an SQL command for errors and return the error(s) if any
  • Executable on (locally, no web connection)

Nice to have:

  • Python interface, e.g. having a python function which can lint an SQL string
  • Allow different SQL dialects
  • Active developers
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  • Are there any SQL dialects that are mandatory – like "must support Oracle and MySQL dialects"? Not that I have anything in mind – but wouldn't it be nasty if the one most important to you were missing? ;) Apart from that: +1 :)
    – Izzy
    Commented Jul 12, 2019 at 7:08
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    I'm not sure ... I use snowflake warehouse, mysql and postgres. But for this question, I would be fine with a validator which deals with standard SQL
    – Martin Thoma
    Commented Jul 12, 2019 at 8:20

2 Answers 2

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As others have pointed out, my program sql-lint will do what you need.

It is open source, completely free and in active development. Linting a query is as simple as:

echo "DELETE FROM person;" | sql-lint

It will bring back errors from the SQL server and its own built-in ones.

Hope that helps, and good luck!

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You might take a look at sql-lint: https://github.com/joereynolds/sql-lint

I don't have any personal experience with it, but it appears to meet your requirements for a command-line interface, error reporting, and support for both MySQL and Postgres.

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