This works perfect in SQLite:
rows = db(query).select(db.cart_sharing.created_by.with_alias('sharer'),
db.cart_sharing.stats.count().with_alias('carts'
),
db.cart_sharing.stats.sum().with_alias('shares'),
groupby=db.cart_sharing.created_by,
orderby=['~shares'])
'shares' is alias to sum(), and sqlite understands exactly what's needed -
sorts by the number of shares.
Posgres doesn't like it:
<class 'psycopg2.ProgrammingError'> column "shares" does not exist
LINE 1: ...NULL) GROUP BY "cart_sharing"."created_by" ORDER BY ~shares; ^
What's the proper DAL syntax for such a thing compatible with Postgres?
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