How to create custom functions in SQLite

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SQLite does not have a stored function/stored procedure language. So CREATE FUNCTION does not work. What you can do though is map functions from a c library to SQL functions (user-defined functions). To do that, use SQLite’s C API (see: http://www.sqlite.org/c3ref/create_function.html)

If you’re not using the C API, your wrapper API may define something that allows you access to this feature, see for example:

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