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DOCS-1387 add unique option to shardCollection command #850

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DOCS-1387 add unique option to shardCollection command #850

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6 changes: 6 additions & 0 deletions source/reference/command/shardCollection.txt
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Expand Up @@ -38,6 +38,12 @@ shardCollection
use the specified field as a :ref:`hashed shard key
<sharding-hashed-shard-key-internals>` .

:param boolean unique:

When true, the ``unique`` option ensures that the underlying
index enforces a unique constraint. :term:`Hashed shard keys
<hashed shard key>` do not support unique constraints.

:param integer numInitialChunks:

.. versionadded:: 2.4
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