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= New Features | ||
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* MERGE RETURNING is now supported when using PostgreSQL 17+. For | ||
datasets supporting RETURNING, calling merge with a block | ||
will yield each returned row: | ||
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DB[:table1]. | ||
returning. | ||
merge_using(:table2, column1: :column2). | ||
merge_insert(column3: :column4). | ||
merge do |row| | ||
# ... | ||
end | ||
# MERGE INTO "table1" USING "table2" | ||
# ON ("column1" = "column2") | ||
# WHEN NOT MATCHED THEN | ||
# INSERT ("column3") VALUES ("column3") | ||
# RETURNING * | ||
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* A :connect_opts_proc Database option is now supported, to allow | ||
support for late-binding Database options. If provided, this | ||
should be a callable object that is called with the options | ||
used for connecting, and can modify the options. This makes | ||
it simple to support authentication schemes that rotate | ||
passwords automatically without user involvement: | ||
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Sequel.connect('postgres://user@host/database', | ||
connect_opts_proc: lambda do |opts| | ||
opts[:password] = SomeAuthLibrary.get_current_password(opts[:user]) | ||
end) | ||
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Note that the jdbc adapter relies on URIs and not option hashes, | ||
so when using the jdbc adapter with this feature, you'll generally | ||
need to set the :uri option. | ||
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= Other Improvements | ||
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* A race condition in the threaded connection pools that could result | ||
in a delay or timeout error in checking out connections in low-traffic | ||
environments has been fixed. | ||
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* Sequel now supports dropping a unique column or a column that is | ||
part of an index on SQLite 3.35.0+, with the same emulation approach | ||
it uses in earlier SQLite versions. | ||
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* The tactical_eager_loading plugin now handles cases where inheritance | ||
is used and the objects used include associations with the same name | ||
but different definitions. Sequel will now only eager load the | ||
association for objects that use the same association definition as | ||
the receiver. | ||
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= Backwards Compatibility | ||
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* bin/sequel no longer requires logger if passed the -E or -l options. | ||
Instead, it uses a simple implementation that supports only | ||
debug/warn/info/error methods. If you are using bin/sequel and | ||
depending on the log format produced by the logger library, or | ||
calling methods on the logger object other than | ||
debug/warn/info/error, you'll need to update your code. This change | ||
was made because logger is moving out of stdlib in a future Ruby | ||
version. |
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