New Features¶ ↑
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A throw_failures plugin has been added for throwing ValidationFailed and HookFailed exceptions instead of raising them. This can improve performance by up to 10x on JRuby and 10-15% on CRuby. However, you would need to modify your exception handling from:
begin # model.save rescue Sequel::ValidationFailed => e # handle failure end
to:
e = catch(Sequel::ValidationFailed) do # model.save end if e.is_a?(Sequel::ValidationFailed) # handle failure end
The throw_failures plugin will still work if you are not catching the exception, falling back to the default behavior of raising the exception.
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SQL::Blob.call has been added, so that SQL::Blob can be used directly as a callable to create a new instance, resulting in better performance in cases where a callable is needed.
Other Improvements¶ ↑
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Type conversion is many adapters is now faster by switching from Proc/Method instances to using singleton call methods on plain objects. This can improve performance of row fetching by up to 10% in some cases.
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Row fetching is slightly faster in the jdbc and sqlite adapters, by switching from each to while.
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tzinfo 2 is now supported when using the named_timezones extension. tzinfo 1 remains supported.
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The optimized Dataset#paged_each methods in the postgres and mysql2 adapters now support being called without a block, returning an Enumerator in that case, to mirror the behavior of the default Dataset#paged_each method.
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Sequel
no longer uses flow-control exceptions in the connection_expiration and connection_validator extensions, significantly improving performance on JRuby. -
The after_initialize plugin no longer makes the argument to Model.call optional.
Backwards Compatibility¶ ↑
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Some internal by not private constants and methods previously used for type conversion in adapters have been removed:
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JDBC::Oracle.OracleDecimal
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JDBC::Oracle.OracleClob
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JDBC::Postgres.RubyPGArray
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JDBC::Postgres.RubyPGHstore
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JDBC::SqlAnywhere.SqlAnywhereBoolean
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JDBC::SQLServer.MSSQLRubyTime
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MySQL::TYPE_TRANSLATOR
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Postgres::TYPE_TRANSLATOR
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