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Analyze tables options: --common-limit, --no-most, --no-least

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Closes #544
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Simon Willison 2023-05-21 09:19:30 -07:00 • committed by GitHub
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docs/cli.rst
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@ -730,11 +730,15 @@ For each column this tool displays the number of null rows, the number of blank
If you do not specify any tables every table in the database will be analyzed::
$ sqlite-utils analyze-tables github.db
sqlite-utils analyze-tables github.db
If you wish to analyze one or more specific columns, use the ``-c`` option::
$ sqlite-utils analyze-tables github.db tags -c sha
sqlite-utils analyze-tables github.db tags -c sha
To show more than 10 common values, use ``--common-limit 20``. To skip the most common or least common value analysis, use ``--no-most`` or ``--no-least``::
sqlite-utils analyze-tables github.db tags --common-limit 20 --no-least
.. _cli_analyze_tables_save:
@ -743,7 +747,7 @@ Saving the analyzed table details
``analyze-tables`` can take quite a while to run for large database files. You can save the results of the analysis to a database table called ``_analyze_tables_`` using the ``--save`` option::
$ sqlite-utils analyze-tables github.db --save
sqlite-utils analyze-tables github.db --save
The ``_analyze_tables_`` table has the following schema::