Make the db_schema_dump task honor the SCHEMA environment variable if present the way db_schema_import does. Closes #2931.

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 Active Support is warnings-safe.  References #1792.


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 Introduce enable_warnings counterpart to silence_warnings.


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 Test for absence of instance vars rather than nil so we don't get a warning.


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 Enable Action Mailer warnings in unit tests.  adv_attr_accessor hecks for presence of instance variable before getting it.


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 silence necessary warnings in logger test.  guard against multiple requires in kernel test.


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 alias old format_message before overriding it


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 warnings-safe inherited alias for class_inheritable_attributes


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 simplify cattr_ and mattr_accessor


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 Eliminate double-requires due to Ruby seeing different paths to the same file.


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 Parenthesize args in Inflections


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 Turn on warnings for tests.


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Turn warnings on when loading a file if Dependencies.mechanism == :load.  Common mistakes such as redefined methods will print warnings to stderr.  References #752.  References #1792.

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Add plugin library directories to the load path after the lib directory so that libraries in the lib directory get precedence. Closes #2910.

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Make help for the console command more explicit about how to specify the desired environment in which to run the console. Closes #2911.

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Pass multiple arguments to Element.show and Element.hide in JavaScriptGenerator instead of using iterators

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PostgreSQL: the purge_test_database Rake task shouldn't explicitly specify the template0 template when creating a fresh test database.  Closes #2964.

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 If sessions are disabled, return a hash that raises an error when it's accessed.


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 Ticket 2731 - sessions
 r3185@asus:  jeremy | 2005-11-19 18:02:51 -0800
 eliminate const redefinition warning
 r3186@asus:  jeremy | 2005-11-19 19:25:50 -0800
 Use :database option instead of :dbfile
 r3187@asus:  jeremy | 2005-11-19 19:34:31 -0800
 Data writer assigns to instance var.  Since nothing is calling write_attribute on the data column except for marshal_data, simplify data reader to lazy-unmarshal the data column (no worrying whether it's already unmarshaled)
 r3188@asus:  jeremy | 2005-11-19 19:35:40 -0800
 Explicitly create the session class so that subsequent requests for the session can find it in the database.  This is masking a problem with the controller losing its @session instance var and therefore requesting a new session.
 r3189@asus:  jeremy | 2005-11-19 19:36:40 -0800
 Using create unnecessarily  broadens the existing duck-typing so use new + save instead.
 r3194@asus:  jeremy | 2005-11-19 20:28:17 -0800
 Test creation of another instance while first instance is still active.  Should return same session_id.
 r3195@asus:  jeremy | 2005-11-19 20:39:45 -0800
 Always create new AR sessions rather than trying too hard to avoid database traffic.  References #2731.


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Introducing the session_migration generator.  Creates an add_session_table migration.  References #2958.

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 Mark connections for verification.  Retrieve connection verifies before returning a connection.  Verification tests whether the connection is marked then reconnects if the connection is inactive.  All active connections are marked for verification after a request is handled.  References #428.


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Use query methods rather than readers in boolean tests for [3092].  References #2945.  Closes #2949.

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Update to Prototype 1.4.0_rc4. Closes #2943 (old Array.prototype.reverse behavior can be obtained by passing false as an argument)

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Don't generate read methods for columns whose names are not valid ruby method names.  References #2946.

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Use Element.update('id', 'html') instead of uid=501(sam) gid=501(sam) groups=501(sam), 81(appserveradm), 79(appserverusr), 80(admin).innerHTML = 'html' in JavaScriptGenerator#replace_html so that script tags are evaluated

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