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comparison Mapping.py @ 54:b535bce50626

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the relationship between feed and its entries can be mapped as lazy -> fewer DB round trips
author Dirk Olmes <dirk@xanthippe.ping.de>
date Tue, 18 May 2010 03:12:00 +0200
parents a8442c3487b5
children 525a52169f60
comparison
equal deleted inserted replaced
53:8cca4585eb33 54:b535bce50626
60 metadata.create_all() 60 metadata.create_all()
61 61
62 mapper(FeedEntry, feedEntryTable) 62 mapper(FeedEntry, feedEntryTable)
63 mapper(Feed, feedTable, 63 mapper(Feed, feedTable,
64 properties = { 64 properties = {
65 "entries" : relation(FeedEntry, backref="feed") 65 "entries" : relation(FeedEntry, backref="feed", lazy=True)
66 } 66 }
67 ) 67 )
68 mapper(Preference, preferencesTable) 68 mapper(Preference, preferencesTable)