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Fix space errors in file
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presto-docs/src/main/sphinx/presto_cpp/limitations.rst

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@@ -14,16 +14,15 @@ The C++ evaluation engine has a number of limitations:
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* Not all built-in functions are implemented in C++. Attempting to use unimplemented functions results in a query failure. For supported functions, see `Function Coverage <https://facebookincubator.github.io/velox/functions/presto/coverage.html>`_.
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* Not all built-in types are implemented in C++. Attempting to use unimplemented types will result in a query failure.
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* Not all built-in types are implemented in C++. Attempting to use unimplemented types will result in a query failure.
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* All basic and structured types in :doc:`../language/types` are supported, except for ``CHAR``, ``TIME``, and ``TIME WITH TIMEZONE``.
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These are subsumed by ``VARCHAR``, ``TIMESTAMP`` and ``TIMESTAMP WITH TIMEZONE``.
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* All basic and structured types in :doc:`../language/types` are supported, except for ``CHAR``, ``TIME``, and ``TIME WITH TIMEZONE``. These are subsumed by ``VARCHAR``, ``TIMESTAMP`` and ``TIMESTAMP WITH TIMEZONE``.
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* Presto C++ only supports unlimited length ``VARCHAR``, and does not honor the length ``n`` in ``varchar[n]``.
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* The following types are not supported: ``IPADDRESS``, ``IPPREFIX``, ``UUID``, ``KHYPERLOGLOG``, ``P4HYPERLOGLOG``, ``QDIGEST``, ``TDIGEST``.
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* The following types are not supported: ``IPADDRESS``, ``IPPREFIX``, ``UUID``, ``KHYPERLOGLOG``, ``P4HYPERLOGLOG``, ``QDIGEST``, ``TDIGEST``, ``GEOMETRY``, ``BINGTILE``.
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* Certain parts of the plugin SPI are not used by the C++ evaluation engine. In particular, C++ workers will not load any plugin in the plugins directory, and certain plugin types are either partially or completely unsupported.
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* Certain parts of the plugin SPI are not used by the C++ evaluation engine. In particular, C++ workers will not load any plugin in the plugins directory, and certain plugin types are either partially or completely unsupported.
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* ``PageSourceProvider``, ``RecordSetProvider``, and ``PageSinkProvider`` do not work in the C++ evaluation engine.
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@@ -33,7 +32,7 @@ The C++ evaluation engine has a number of limitations:
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* User-defined functions do not work in the same way, see `Remote Function Execution <features.html#remote-function-execution>`_.
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* Memory management works differently in the C++ evaluation engine. In particular:
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* Memory management works differently in the C++ evaluation engine. In particular:
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* The OOM killer is not supported.
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* The reserved pool is not supported.

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