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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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 Check whether @flash is defined? for warnings-safety.
 r4488@asus:  jeremy | 2006-04-29 12:23:15 -0700
 Check whether @flash is defined? for warnings-safety. Obviates nil? check.
 r4489@asus:  jeremy | 2006-04-29 12:45:18 -0700
 Check whether @session is defined? for warnings-safety.
 r4490@asus:  jeremy | 2006-04-29 12:50:41 -0700
 Check whether @rendering_runtime is defined? for warnings-safety.
 r4491@asus:  jeremy | 2006-04-29 12:55:01 -0700
 Check whether @_cycles is defined? for warnings-safety.
 r4492@asus:  jeremy | 2006-04-29 12:59:19 -0700
 Check whether instance variables are defined? for warnings-safety.
 r4493@asus:  jeremy | 2006-04-29 13:14:09 -0700
 Add nil @template to PrototypeHelperTest to suppress unitialized instance variable warning.
 r4494@asus:  jeremy | 2006-04-29 13:31:34 -0700
 Check whether @auto_index defined? for warnings-safety.
 r4495@asus:  jeremy | 2006-04-29 13:32:24 -0700
 Wrap content_columns redefinitions with silence_warnings.
 r4496@asus:  jeremy | 2006-04-29 13:35:28 -0700
 Wrap more redefinitions with silence_warnings.
 r4829@asus:  jeremy | 2006-07-08 10:59:20 -0700
 abstract unit, fix warnings
 r4830@asus:  jeremy | 2006-07-08 11:06:12 -0700
 Use parens to silence warning.
 r4831@asus:  jeremy | 2006-07-08 11:06:48 -0700
 Use parens to silence warning.


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Pass :id => nil or :class => nil to error_messages_for to supress that html attribute. Closes #3586.

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Dispatcher processes rescued actions with the same controller that processed the request. Closes #4625.

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find_one uses find_every.first instead of find_initial since its primary key constraint obviates find_initial's :limit => 1. References #5635.

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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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Added Mongrel-spawning capabilities to script/process/spawner. Mongrel will be the default choice if installed, otherwise FCGI is tried [DHH]

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