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Added SESSION_SQLALCHEMY_SEQUENCE config to allow support for oracle … #102

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Added SESSION_SQLALCHEMY_SEQUENCE config to allow support for oracle … #102

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3 changes: 2 additions & 1 deletion flask_session/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -77,6 +77,7 @@ def _get_interface(self, app):
config.setdefault('SESSION_MONGODB_COLLECT', 'sessions')
config.setdefault('SESSION_SQLALCHEMY', None)
config.setdefault('SESSION_SQLALCHEMY_TABLE', 'sessions')
config.setdefault('SESSION_SQLALCHEMY_SEQUENCE', None)

if config['SESSION_TYPE'] == 'redis':
session_interface = RedisSessionInterface(
Expand All @@ -102,7 +103,7 @@ def _get_interface(self, app):
app, config['SESSION_SQLALCHEMY'],
config['SESSION_SQLALCHEMY_TABLE'],
config['SESSION_KEY_PREFIX'], config['SESSION_USE_SIGNER'],
config['SESSION_PERMANENT'])
config['SESSION_PERMANENT'], config['SESSION_SQLALCHEMY_SEQUENCE'])
else:
session_interface = NullSessionInterface()

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11 changes: 9 additions & 2 deletions flask_session/sessions.py
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Original file line number Diff line number Diff line change
Expand Up @@ -466,19 +466,26 @@ class SqlAlchemySessionInterface(SessionInterface):
session_class = SqlAlchemySession

def __init__(self, app, db, table, key_prefix, use_signer=False,
permanent=True):
permanent=True, sequence=None):
if db is None:
from flask_sqlalchemy import SQLAlchemy
db = SQLAlchemy(app)
self.db = db
self.key_prefix = key_prefix
self.use_signer = use_signer
self.permanent = permanent
self.sequence = sequence

class Session(self.db.Model):
__tablename__ = table

id = self.db.Column(self.db.Integer, primary_key=True)
if sequence:
id = self.db.Column(self.db.Integer,
self.db.Sequence(sequence),
primary_key=True)
else:
id = self.db.Column(self.db.Integer, primary_key=True)

session_id = self.db.Column(self.db.String(255), unique=True)
data = self.db.Column(self.db.LargeBinary)
expiry = self.db.Column(self.db.DateTime)
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