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  • Additional Column Constraints? · 5 ✖

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501572149 https://github.com/simonw/sqlite-utils/issues/24#issuecomment-501572149 https://api.github.com/repos/simonw/sqlite-utils/issues/24 MDEyOklzc3VlQ29tbWVudDUwMTU3MjE0OQ== simonw 9599 2019-06-13T06:47:17Z 2019-06-13T06:47:17Z OWNER 
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 Additional Column Constraints? 449818897  
501516028 https://github.com/simonw/sqlite-utils/issues/24#issuecomment-501516028 https://api.github.com/repos/simonw/sqlite-utils/issues/24 MDEyOklzc3VlQ29tbWVudDUwMTUxNjAyOA== simonw 9599 2019-06-13T01:42:36Z 2019-06-13T01:42:36Z OWNER

Maybe it's time to create a sqlite-utils create-table command here too, rather than forcing people to create tables only by inserting example data.

 
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 Additional Column Constraints? 449818897  
501515609 https://github.com/simonw/sqlite-utils/issues/24#issuecomment-501515609 https://api.github.com/repos/simonw/sqlite-utils/issues/24 MDEyOklzc3VlQ29tbWVudDUwMTUxNTYwOQ== simonw 9599 2019-06-13T01:40:12Z 2019-06-13T01:40:47Z OWNER

But what to do for creating a table?

For the Python function I could do this: python db["cats"].create({ "id": int, "name": str, "score": int, "weight": float, }, pk="id", not_null={"weight"}, defaults={"score": 1})

The CLI tool only every creates tables as a side-effect of a sqlite-utils insert or sqlite-utils upsert. I can have them accept optional arguments, --not-null colname and --default colname value: echo '{"name": "Cleo", "age": 4, "score": 2}' | \ sqlite-utils insert dogs.db dogs - \ --not-null age \ --not-null name \ --default score 1

 
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 Additional Column Constraints? 449818897  
501514575 https://github.com/simonw/sqlite-utils/issues/24#issuecomment-501514575 https://api.github.com/repos/simonw/sqlite-utils/issues/24 MDEyOklzc3VlQ29tbWVudDUwMTUxNDU3NQ== simonw 9599 2019-06-13T01:34:55Z 2019-06-13T01:34:55Z OWNER

Since you can't have one without the other, I'm going with --not-null-default= and not_null_default= for the add column versions of this.

 
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 Additional Column Constraints? 449818897  
501509642 https://github.com/simonw/sqlite-utils/issues/24#issuecomment-501509642 https://api.github.com/repos/simonw/sqlite-utils/issues/24 MDEyOklzc3VlQ29tbWVudDUwMTUwOTY0Mg== simonw 9599 2019-06-13T01:06:09Z 2019-06-13T01:06:09Z OWNER

Hmm... we need the ability to pass --not-null when we are creating a table as well.

If you attempt to add NOT NULL to a column after a table has first been created you get this error:

sqlite3.OperationalError: Cannot add a NOT NULL column with default value NULL

 
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