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Add 0.317.0 release notes #238

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Oct 5, 2022
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Add 0.317.0 release notes #238

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Add 0.317.0 release notes
hashhar Sep 22, 2022
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Remove redundant information from headings
hashhar Oct 1, 2022
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37 changes: 36 additions & 1 deletion CHANGES.md
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Expand Up @@ -6,7 +6,42 @@ list](https://github.com/trinodb/trino-python-client/tags), the
[README](https://github.com/trinodb/trino-python-client/blob/master/README.md)
and the [PyPI page](https://pypi.org/project/trino/).

## Trino Python client 0.316.0
## Release 0.317.0

* Add support for creating tables containing `JSON` columns and reading and
writing to them with SQLAlchemy.
([#194](https://github.com/trinodb/trino-python-client/issues/194))
* Add support for setting roles by passing a dictionary of catalog name and
role as the `roles` keyword argument to `trino.dbapi.connect`.
([#230](https://github.com/trinodb/trino-python-client/issues/230))
* Add support for setting roles by adding the `roles` URL query parameter in
SQLAlchemy connections to a JSON object with keys as the catalog name and
values as the role name.
([#230](https://github.com/trinodb/trino-python-client/issues/230))
* Add a function `trino.sqlalchemy.URL` to generate SQLAlchemy URLs which
properly handles escaping and encoding values where needed.
([#235](https://github.com/trinodb/trino-python-client/issues/235))
* Fix query failures not being propagated to the client when using `fetchone`.
([#95](https://github.com/trinodb/trino-python-client/issues/95))
* Fix queries returning a single row from sometimes appearing as failed on the
server. ([#220](https://github.com/trinodb/trino-python-client/issues/220))
* Fix query failures when using SQLAlchemy `TableClause` by not performing
catalog lookup.
([#237](https://github.com/trinodb/trino-python-client/issues/237))
* Fix errors when using prepared statements with Trino versions greater than or
equal to 398.
([#242](https://github.com/trinodb/trino-python-client/issues/242))

### Breaking Changes

* Block the `execute` method of the cursor until at least one row is received.
Users no longer need to call `fetchone` or `fetchall` to ensure query starts
executing on the Trino server. Note that results still need to be consumed by
calling `fetchone` or `fetchall` to ensure that a query isn't considered idle
and terminated on the server.
([#232](https://github.com/trinodb/trino-python-client/issues/232))

## Release 0.316.0

* Add support for SQLAlchemy queries to access multiple catalogs by specifying
a `trino_catalog` argument to SQLAlchemy `Table` objects.
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