SQL Alchemy Plus
This package provide additional package definition for SqlAlchemy that are specific for PostgreSQL and other database.
Here are the currently supported features (database supported):
- View (PostgreSQL)
- Materialized View (PostgreSQL)
Installation
Install SQL Alchemy Plus using pip
pip install sqlalchemyplusQuick start
Define a View or a Materialized View programmatically
from sqlalchemy import Table, select, Column, MetaData, Integer, String
from sqlalchemyplus import View
metadata = MetaData()
table = Table('mytable',
metadata,
Column('key', Integer),
Column('value', String))
select_table = table.select()
view = View(
'myview',
metadata,
select_table
)
Create and drop a view
from sqlalchemy import create_engine
from sqlalchemyplus import CreateView, DropView
engine = create_engine("postgresql://example:example@localhost:5432/mydatabase")
view = View(
'myview',
metadata,
select_table
)
# Execute 'CREATE VIEW myview AS (...)'
engine.execute(CreateView(view))
# Execute 'DROP VIEW myview'
engine.execute(CreateView(view))
