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Added FormHelper#form_for and FormHelper#fields_for that makes it easier to work with forms for single objects also if they don't reside in instance variables [DHH]

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 AbstractAdapter#reconnect_if_inactive! returns boolean success.  AbstractAdapter#log alters exception message on reconnect failure rather than raising ConnectionFailed.


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 MySQL active? and reconnect!  References #428.
 r3043@asus:  jeremy | 2005-11-13 01:58:28 -0800
 SQLite active? and reconnect!  References #428.
 r3044@asus:  jeremy | 2005-11-13 02:02:27 -0800
 Update CHANGELOG with admonishment regarding avoidance of the log method.


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 Ticket 428 - stale connections
 r3040@asus:  jeremy | 2005-11-13 00:22:29 -0800
 When AbstractAdapter#log rescues an exception, attempt to detect and reconnect to an inactive database connection.  Connection adapter must respond to the active? and reconnect! instance methods.  Initial support for PostgreSQL.  References #428.


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 PostgreSQL: default_sequence_name falls back to 'id' pk if both the given pk and discovered pk are nil.
 r4336@asus:  jeremy | 2005-11-12 22:31:39 -0800
 PostgreSQL: correct the sequence discovery fallback query.  References #2594.


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SQLite: the clone_structure_to_test and purge_test_database Rake tasks should always use the test environment.  Reference #2846.

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SQLite: the clone_structure_to_test Rake task should always use the test environment.  References #2846.

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 PostgreSQL: correctly discover custom primary key sequences.  PostgreSQL: smarter sequence name defaults, stricter last_insert_id, warn on pk without sequence.  Base.reset_sequence_name analogous to reset_table_name (mostly useful for testing).  Base.define_attr_method allows nil values.  References #2594.


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Make sure that legacy db tasks also reference :database for SQLite (closes #2830) [kazuhiko@fdiary.net]

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options_for_select allows any objects which respond_to? :first and :last rather than restricting to Array and Range.  Closes #2824. References [2126].

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Add :group option, correspond to GROUP BY, to the find method and to the has_many association.  Closes #2818.

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Don't reload routes until plugins have been loaded so they have a chance to extend the routing capabilities [DHH]

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acts_as_list plays nicely with inheritance by remembering the class which declared it.  Closes #2811.

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The auto_link text helper accepts an optional block to format the link text for each url and email address.  References #2628.

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Changed all script/* to use /usr/bin/env ruby instead of hard-coded Ruby path. public/dispatcher.* still uses the hard-coded path  for compatibility with web servers that dont have Ruby in path [DHH]

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Force RAILS_ENV to be "test" when running tests, so that ENV["RAILS_ENV"] = "production" in config/environment.rb doesnt wreck havok [DHH] (closes #2660)

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