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Saving a record with two unsaved belongs_to associations pointing to the same object fails #2023 [Tobias Luetke]


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Allow unspecified join-table columns to use to their default values when adding to a habtm collection


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Fixed that has_and_belongs_to_many didn't respect single table inheritance types #1081 [Florian Weber]

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Fixed that single-table inheritance sub-classes couldn't be used to limit the result set with eager loading #1215 [Chris McGrath]

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Fixed that adding a record to a has_and_belongs_to collection would always save it -- now it only saves if its a new record #1203 [Alisdair McDiarmid]

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Fixed that fixtures were being deleted in the same order as inserts causing FK errors #890 [andrew.john.peters@gmail.com]

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Added better defaults for composed_of, so statements like composed_of :time_zone, :mapping => %w( time_zone time_zone ) can be written without the mapping part (it's now assumed)

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Added automatic dropping/creating of test tables for running the unit tests on all databases #587 [adelle@bullet.net.au]

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Fixed that foreign keys named the same as the association would cause stack overflow #437 [Eric Anderson]

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Added a db2 adapter that only depends on the Ruby/DB2 bindings (http://raa.ruby-lang.org/project/ruby-db2/) #386 [Maik Schmidt]. Converted all the fixtures to YAML style ones.

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Fixed a bug in the Ruby/MySQL that caused binary content to be escaped badly and come back mangled #405 [Tobias Luetke]

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