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add update operator to documentation

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Ido Shraga 2021-08-31 16:49:33 +03:00
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commit 8428da368d
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docs/guide/querying.rst
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@ -543,7 +543,10 @@ Documents may be updated atomically by using the
There are several different "modifiers" that you may use with these methods: There are several different "modifiers" that you may use with these methods:
* ``set`` -- set a particular value * ``set`` -- set a particular value
* ``set_on_insert`` -- set only if this is new document `need to add upsert=True`_
* ``unset`` -- delete a particular value (since MongoDB v1.3) * ``unset`` -- delete a particular value (since MongoDB v1.3)
* ``max`` -- update only if value is bigger
* ``min`` -- update only if value is smaller
* ``inc`` -- increment a value by a given amount * ``inc`` -- increment a value by a given amount
* ``dec`` -- decrement a value by a given amount * ``dec`` -- decrement a value by a given amount
* ``push`` -- append a value to a list * ``push`` -- append a value to a list
@ -552,6 +555,7 @@ There are several different "modifiers" that you may use with these methods:
* ``pull`` -- remove a value from a list * ``pull`` -- remove a value from a list
* ``pull_all`` -- remove several values from a list * ``pull_all`` -- remove several values from a list
* ``add_to_set`` -- add value to a list only if its not in the list already * ``add_to_set`` -- add value to a list only if its not in the list already
* ``rename`` -- rename the key name
.. _depending on the value: http://docs.mongodb.org/manual/reference/operator/update/pop/ .. _depending on the value: http://docs.mongodb.org/manual/reference/operator/update/pop/