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'sqlite-utils triggers' command, closes #218

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Simon Willison 2021-01-02 19:03:15 -08:00
commit 5b246d17a0
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docs/cli.rst
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@ -261,7 +261,7 @@ The ``--nl``, ``--csv``, ``--tsv`` and ``--table`` options are all available.
Listing views
=============
The `views` command shows any views defined in the database::
The ``views`` command shows any views defined in the database::
$ sqlite-utils views sf-trees.db --table --counts --columns --schema
view count columns schema
@ -279,6 +279,34 @@ It takes the same options as the ``tables`` command:
* ``--tsv``
* ``--table``
.. _cli_triggers:
Listing triggers
================
The ``triggers`` command shows any triggers configured for the database::
% sqlite-utils triggers global-power-plants.db --table
name table sql
--------------- --------- -----------------------------------------------------------------
plants_insert plants CREATE TRIGGER [plants_insert] AFTER INSERT ON [plants]
BEGIN
INSERT OR REPLACE INTO [_counts]
VALUES (
'plants',
COALESCE(
(SELECT count FROM [_counts] WHERE [table] = 'plants'),
0
) + 1
);
END
It defaults to showing triggers for all tables. To see triggers for one or more specific tables pass their names as arguments::
% sqlite-utils triggers global-power-plants.db plants
The command takes the same format options as the ``tables`` and ``views`` commands.
.. _cli_analyze_tables:
Analyzing tables