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Asked: 2026-05-11T22:27:06+00:00

I’m new to python and have hit a problem with an SQL query I’m

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I’m new to python and have hit a problem with an SQL query I’m trying to perform.

I am creating an SQL SELECT statement that is populated with values from an array as follows:

ret = conn.execute('SELECT * FROM TestTable WHERE a = ? b = ? c = ?', *values)

This works ok where I have real values in the values array. However in some cases an individual entry in values may be set to None. The query then fails because the “= NULL” test does not work since the test should be IS NULL.

Is there an easy way around this?

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1 Answer

  1. Editorial Team

    If you are using SQL Server then as long as you set ANSI_NULLS off for the session ‘= null’ comparison will work.

    SET ANSI_NULLS

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