v2.9.5

What's Changed

• Backporting a fix to give a default retry-after on 429s/503s

v2.9.4

What's Changed

Fix: Cloud fetch file download errors (#356)
Fix: Redact the URL query parameters from the urllib3.connectionpool logs (#341)

Full Changelog: v2.9.3...v2.9.4

v3.1.0

What's Changed

• Support Databricks OAuth on GCP (#338)
• Support Databricks OAuth on Azure (#351)
• Revert retry-after behavior to be exponential backoff (#349)

v2.9.4-beta.1

What's Changed

• Fix: Cloud fetch file download errors (#356)
• Fix: Redact the URL query parameters from the urllib3.connectionpool logs (#341)

v3.0.3

What's Changed

• Fix: Revised docstrings and examples for OAuth (#339)
• Fix: Redact the URL query parameters from the urllib3.connectionpool logs ((#341)

v3.0.2

In this release:

SQLAlchemy dialect now supports table and column comments (thanks @cbornet!)
Fix: SQLAlchemy dialect now correctly reflects TINYINT types (thanks @TimTheinAtTabs!)
Fix: server_hostname URIs that included https:// would raise an exception
Other: pinned to pandas<=2.1 and urllib3>=1.26 to avoid runtime errors in dbt-databricks (#330)

v3.0.1

In this release:

• Other: updated docstring comment about default parameterization approach (#287)
• Other: added tests for reading complex types and revised docstrings and type hints (#293)
• Fix: SQLAlchemy dialect raised DeprecationWarning due to dbapi classmethod (#294)
• Fix: SQLAlchemy dialect could not reflect TIMESTAMP_NTZ columns (#296)

v3.0.0

You can now pip install databricks-sql-connector==3.0.0.

This release:

• Removes support for Python 3.7
• Adds support for native parameterized SQL queries. Requires DBR 14.2 and above. See here for more information.
• Includes our completely rewritten SQLAlchemy dialect:
  • Adds support for SQLAlchemy >= 2.0 and drops support for SQLAlchemy 1.x
  • Full e2e test coverage of all supported features
  • Detailed usage notes available here
  • Adds support for:
    • New types: TIME, TIMESTAMP, TIMESTAMP_NTZ, TINYINT
    • Numeric type scale and precision, like Numeric(10,2)
    • Reading and writing PrimaryKeyConstraint and ForeignKeyConstraint
    • Reading and writing composite keys
    • Reading and writing from views
    • Writing Identity to tables (i.e. autoincrementing primary keys)
    • LIMIT and OFFSET for paging through results
    • Caching metadata calls
• Enables cloud fetch by default. To disable, set use_cloud_fetch=False when building databricks.sql.client.
• Add integration tests for Databricks UC Volumes ingestion queries
• Retries:
  • Add _retry_max_redirects config
  • Set _enable_v3_retries=True and warn if users override it.
• Security: Bumps minimum pyarrow version to 14.0.1 (CVE-2023-47248)

v2.9.3

In this release:

• Fix: Connections failed when urllib3~=1.0.0 is installed (#206)

v2.9.2

⚠️ This release has been yanked from Pypi. See #222 for details.

In this release:

• Other: Add examples/v3_retries_query_execute.py
• Other: suppress log message when _enable_v3_retries is not True
• Other: make this connector backwards compatible with urllib3>=1.0.0