Added timeout option to SQLite3 configurations to deal more gracefully with SQLite3::BusyException, now the connection can instead retry for x seconds to see if the db clears up before throwing that exception (closes #6126) [wreese@gmail.com] Added default timeout setting of 5 seconds to SQLite3 database.yml configurations [DHH]

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SQLServer: work around bug where some unambiguous date formats are not correctly identified if the session language is set to german. Closes #5894.

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Make indexed columns easy to extract from the index name. Oracle users should explicitly assign index names due to field length restrictions.

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PostgreSQL: autodetected sequences work correctly with multiple schemas. Rely on the schema search_path instead of explicitly qualifying the sequence name with its schema.  Closes #5280.

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SQLServer: added tests to ensure all database statements are closed, refactored identity_insert management code to use blocks, removed update/delete rowcount code out of execute and into update/delete, changed insert to go through execute method, removed unused quoting methods, disabled pessimistic locking tests as feature is currently unsupported, fixed RakeFile to load sqlserver specific tests whether running in ado or odbc mode, fixed support for recently added decimal types, added support for limits on integer types. Closes #5670.

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 decimal
 r4705@asus:  jeremy | 2006-06-27 12:20:47 -0700
 current_adapter? checks whether any of its arguments is the name of the current adapter class
 r4834@asus:  jeremy | 2006-07-08 13:08:24 -0700
 Room to float.
 r4835@asus:  jeremy | 2006-07-08 13:09:18 -0700
 Give lock test a few chances.
 r4836@asus:  jeremy | 2006-07-08 13:12:05 -0700
 Numeric and decimal columns map to BigDecimal instead of Float. Those with scale 0 map to Integer. Closes #5454.


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Oracle: use nonblocking queries if allow_concurrency is set, fix pessimistic locking, don't guess date vs. time by default (set OracleAdapter.emulate_dates = true for the old behavior), adapter cleanup. Closes #5635.

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Fixed a few Oracle issues: Allows Oracle's odd date handling to still work consistently within #to_xml, Passes test that hardcode insert statement by dropping the :id column, Updated RUNNING_UNIT_TESTS with Oracle instructions, Corrects method signature for #exec #5294 [schoenm@earthlink.net]

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 locking
 r4645@asus:  jeremy | 2006-06-17 12:41:30 -0700
 missing reply fixture
 r4646@asus:  jeremy | 2006-06-19 13:05:23 -0700
 Use a per-thread (rather than global) transaction mutex so you may execute concurrent transactions on separate connections.
 r4647@asus:  jeremy | 2006-06-19 13:07:23 -0700
 PostgreSQL: introduce allow_concurrency option which determines whether to use blocking or asynchronous #execute. Adapters with blocking #execute will deadlock Ruby threads. The default value is ActiveRecord::Base.allow_concurrency.
 r4648@asus:  jeremy | 2006-06-19 13:08:40 -0700
 Pass the default allow_concurrency when instantiating new connections.
 r4649@asus:  jeremy | 2006-06-19 13:11:12 -0700
 Break out concurrent transaction tests and run them for PostgreSQLAdapter only (need to fork or system('some_test_script') for the other adapters)
 r4650@asus:  jeremy | 2006-06-19 13:42:48 -0700
 Row locking. Provide a locking clause with the :lock finder option or true for the default "FOR UPDATE".
 r4661@asus:  jeremy | 2006-06-19 15:36:51 -0700
 excise the junk mutex


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Fixed issues with BLOB limits, charsets, and booleans for Firebird (closes #5194, #5191, #5189) [kennethkunz@gmail.com]

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Fixed migration trouble with SQLite when NOT NULL is used in the new definition (closes #5215) [greg@lapcominc.com]

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PostgreSQL: don't ignore port when host is nil since it's often used to label the domain socket. Closes #5247.

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Preserve MySQL boolean column defaults when changing a column in a migration. Closes #5015. [pdcawley@bofh.org.uk]

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PostgreSQL: migrations support :limit with :integer columns by mapping limit < 4 to smallint, > 4 to bigint, and anything else to integer. Closes #2900.

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