Features

• add context manager support in client (5ae4be8)
• add context manager support in client (#637) (5ae4be8)
• add support for python 3.10 (#626) (17ca61b), closes #623
• db_api: add an ability to set ReadOnly/ReadWrite connection mode (#475) (cd3b950)
• db_api: make rowcount property NotImplemented (#603) (b5a567f)
• db_api: raise exception with message for executemany() (#595) (95908f6)
• db_api: support JSON data type (#627) (d760c2c)
• db_api: support stale reads (#584) (8ca868c)

Bug Fixes

• db_api: emit warning instead of an exception for rowcount property (#628) (62ff9ae)
• deps: drop packaging dependency (5ae4be8)
• deps: require google-api-core >= 1.28.0 (5ae4be8)
• improper types in pagers generation (5ae4be8)

Performance Improvements

• dbapi: set headers correctly for dynamic routing (#644) (d769ff8)

Documentation

• list oneofs in docstring (5ae4be8)

Bug Fixes

• add support for json data type (#593) (bc5ddc3)
• remove database_version_time param from test_instance_list_backups (#609) (db63aee)

Features

• adding support for spanner request options tags (#276) (e16f376)

Features

• set a separate user agent for the DB API (#566) (b5f977e)

Bug Fixes

• db_api: move connection validation into a separate method (#543) (237ae41)
• handle google.api_core.exceptions.OutOfRange exception and throw InegrityError as expected by dbapi standards (#571) (dffcf13)

Features

• add support for JSON type (#353) (b1dd04d)

Features

• use DML batches in executemany() method (#412) (cbb4ee3)

Bug Fixes

• samples: batch_update() results processing error (#484) (bdd5f8b)

Features

• add always_use_jwt_access (#381) (0f1a5de)
• add configurable leader placement support (#399) (7f1b120)
• add sample for low cost instances (#392) (3f4f93f)

Bug Fixes

• avoid bad version of opentelemetry-instrumentation (#429) (1620c12)
• deps: pin 'google-{api,cloud}-core' to allow 2.x versions (#415) (b0455d0)
• disable always_use_jwt_access (c37bf21)
• disable always_use_jwt_access (#395) (c37bf21)
• enable self signed jwt for grpc (#427) (2487800)
• support merging for NUMERIC values (#434) (06b4215), closes #433

Documentation

• fix docstring for session.py (#387) (3132587)

Features

• add RPC priority support (#324) (51533b8)
• add support for low-cost instances (#313) (44aa7cc)
• spanner: add processing_units to Instance resource (#364) (113505c)
• update query stats samples (#373) (c1ee8c2)

Bug Fixes

• db_api: use sqlparse to split DDL statements (#372) (ed9e124)
• db_api: classify batched DDL statements (#360) (b8b24e1)
• deps: add packaging requirement (#368) (89c126c)

Documentation

• omit mention of Python 2.7 in 'CONTRIBUTING.rst' (#1127) (#374) (b7b3c38), closes #1126

Features

• add decimal validation for numeric precision and scale supported by Spanner (#340) (aa36c5e)
• add progress field to UpdateDatabaseDdlMetadata (#361) (1c03dcc)
• add query statistics package support (#129) (6598dea)

Bug Fixes

• an Aborted exception isn't properly retried (#345) (e69e6ab)
• correctly classify select statements that begin with brackets (#351) (d526acc)
• update to support the open-telemetry status code spec change (#358) (0f894f1)

Features

• add samples for CMEK support (#275) (f8d9bd3)
• added support for numeric field for python decimal value (#316) (070a171)
• dbapi: remove string conversion for numeric fields (#317) (772aa3c)

Bug Fixes

• correctly set resume token when restarting streams (#314) (0fcfc23)
• support INSERT from SELECT clause with args (#306) (0dcda5e)

Performance Improvements

• use protobuf for metadata to reduce type conversions (#325) (5110b9b)