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Project Description

Amazon Redshift dialect for SQLAlchemy.

Installation

The package is available on PyPI:

pip install sqlalchemy-redshift

Usage

The DSN format is similar to that of regular Postgres:

>>> import sqlalchemy as sa
>>> sa.create_engine('redshift+psycopg2://username@host.amazonaws.com:5439/database')
Engine(redshift+psycopg2://username@host.amazonaws.com:5439/database)

See the RedshiftDDLCompiler documentation for details on Redshift-specific features the dialect supports.

0.5.0 (2016-04-21)

  • Support reflecting tables with foriegn keys to tables in non-public schemas (Issue #70)
  • Fix a bug where DISTKEY and SORTKEY could not be used on column names containing spaces or commas. This is a breaking behavioral change for a command like __table_args__ = {‘redshift_sortkey’: (‘foo, bar’)}. Previously, this would sort on the columns named foo and bar. Now, it sorts on the column named foo, bar. (Issue #74)

0.4.0 (2015-11-17)

  • Change the name of the package to sqlalchemy_redshift to match the naming convention for other dialects; the redshift_sqlalchemy package now emits a DeprecationWarning and references sqlalchemy_redshift. The redshift_sqlalchemy compatibility package will be removed in a future release. (Issue #58)
  • Fix a bug where reflected tables could have incorrect column order for some CREATE TABLE statements, particularly for columns with an IDENTITY constraint. (Issue #60)
  • Fix a bug where reflecting a table could raise a NoSuchTableError in cases where its schema is not on the current search_path (Issue #64)
  • Add python 3.5 to the list of versions for integration tests. (Issue #61)

0.3.1 (2015-10-08)

  • Fix breakages to CopyCommand introduced in 0.3.0: Thanks solackerman. (Issue #53)
    • When format is omitted, no FORMAT AS … is appended to the query. This makes the default the same as a normal redshift query.
    • fix STATUPDATE as a COPY parameter

0.3.0 (2015-09-29)

  • Fix view support to be more in line with SQLAlchemy standards. get_view_definition output no longer includes a trailing semicolon and views no longer raise an exception when reflected as Table objects. (Issue #46)
  • Rename RedShiftDDLCompiler to RedshiftDDLCompiler. (Issue #43)
  • Update commands (Issue #52)
    • Expose optional TRUNCATECOLUMNS in CopyCommand.
    • Add all other COPY parameters to CopyCommand.
    • Move commands to their own module.
    • Support inserts into ordered columns in CopyCommand.

0.2.0 (2015-09-04)

  • Use SYSDATE instead of NOW(). Thanks bouk. (Issue #15)
  • Default to SSL with hardcoded AWS Redshift CA. (Issue #20)
  • Refactor of CopyCommand including support for specifying format and compression type. (Issue #21)
  • Explicitly require SQLAlchemy >= 0.9.2 for ‘dialect_options’. (Issue #13)
  • Refactor of UnloadFromSelect including support for specifying all documented redshift options. (Issue #27)
  • Fix unicode issue with SORTKEY on python 2. (Issue #34)
  • Add support for Redshift DELETE statements that refer other tables in the WHERE clause. Thanks haleemur. (Issue #35)
  • Raise NoSuchTableError when trying to reflect a table that doesn’t exist. (Issue #38)

0.1.2 (2015-08-11)

  • Register postgresql.visit_rename_table for redshift’s alembic RenameTable. Thanks bouk. (Issue #7)

0.1.1 (2015-05-20)

  • Register RedshiftImpl as an alembic 3rd party dialect.

0.1.0 (2015-05-11)

  • First version of sqlalchemy-redshift that can be installed from PyPI
Release History

Release History

0.5.0

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0.4.0

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0.3.1

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0.3.0

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0.2.0

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0.1.2

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0.1.1

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0.1.0

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Download Files

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File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
sqlalchemy_redshift-0.5.0-py2.py3-none-any.whl (21.9 kB) Copy SHA256 Checksum SHA256 3.5 Wheel Apr 21, 2016
sqlalchemy-redshift-0.5.0.tar.gz (19.9 kB) Copy SHA256 Checksum SHA256 Source Apr 21, 2016

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