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preload_app
2008 Sep 03
5
Eager load associations in Oracle problem with more than 1000 records
I think Rails 2.1 introduced a bug when eager loading of associations
with Oracle. In 2.1 ActiveRecord loads the included table with a big
''IN'' query: ''where association.id in (1, 2, 3, 4...)''. The problem
is that Oracle has a hard limit of 1000 values in an IN clause. I get
this error:
''OCIError: ORA-01795: maximum number of expressions in a list