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Project Description

Adds CreateTable and DropView constructs to SQLAlchemy.

Usage

Examples:

>>> from sqlalchemy import Table, MetaData
>>> from sqlalchemy.sql import text
>>> from sqlalchemy_views import CreateView, DropView
>>> view = Table('my_view', MetaData())
>>> definition = text("SELECT * FROM my_table")
>>> create_view = CreateView(view, definition)
>>> print(str(create_view.compile()).strip())
CREATE VIEW my_view AS SELECT * FROM my_table
>>> create_view = CreateView(view, definition, or_replace=True)
>>> print(str(create_view.compile()).strip())
CREATE OR REPLACE VIEW my_view AS SELECT * FROM my_table
>>> drop_view = DropView(view)
>>> print(str(drop_view.compile()).strip())
DROP VIEW my_view
>>> drop_view = DropView(view, if_exists=True, cascade=True)
>>> print(str(drop_view.compile()).strip())
DROP VIEW IF EXISTS my_view CASCADE

Note that the SQLAlchemy Table object is used to represent both tables and views. To introspect a view, create a Table with autoload=True, and then use SQLAlchemy’s get_view_definition method to generate the second argument to CreateView.

Installation

sqlalchemy-views is available on PyPI and can be installed via pip

pip install sqalalchemy-views

Limitations

Various SQL dialects have developed custom CREATE VIEW and DROP VIEW syntax. This project aims to provide the core set of functionality shared by most database engines.

Acknowledgements

Some design ideas taken from the SQLAlchemy Usage Recipe for views.

Package structure is based on python-project-template.

Release History

Release History

0.2.1

This version

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0.2

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Download Files

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File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
sqlalchemy_views-0.2.1-py2.py3-none-any.whl (9.3 kB) Copy SHA256 Checksum SHA256 py2.py3 Wheel Sep 16, 2015

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