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Commits on Apr 24, 2012
Commits on Sep 14, 2011
Commits on Jul 18, 2011
Commits on May 1, 2011
Commits on Apr 14, 2011
  1. Update the docs with information on dynamic customization of regular …

    authored
    …and eager association loading
Commits on Feb 14, 2011
  1. Add tinytds adapter, the best way to connect to MSSQL from a C based …

    authored
    …ruby running on *nix
    
    Before, the only real way to connect to MSSQL from a C based ruby
    on *nix was to use the ODBC adapter with unixodbc and freetds.
    I've heard it's a big pain to set up, and never attempted to do
    so myself.  Fortunately, tiny_tds was released recently and makes
    it simple.
    
    Thanks to metaskills from the tiny_tds project for making changes
    to tiny_tds to better support Sequel.
Commits on Sep 16, 2010
Commits on Aug 6, 2010
Commits on Jun 23, 2010
Commits on Apr 14, 2010
  1. Update the README

    authored
Commits on Mar 14, 2010
Commits on Oct 8, 2009
  1. Minor README updates

    authored
  2. Fix first example in the README

    authored
    Surprisingly, nobody caught this error until now, and I'm pretty sure
    it's been in the README since before 1.3.  The code and SQL aren't
    wrong, but the explanation is.  The assumption is the order and limit
    settings are applied before the aggregation, but that's not how SQL
    operates.  If you want the behavior described, you have to use a
    subselect, which is a bit complicated for the first example, so just
    simplify the code.
Commits on Aug 9, 2009
Commits on May 13, 2009
Commits on Apr 15, 2009
  1. Add Amalgalite adapter

    authored
    Amalgalite is a ruby library that embeds SQLite in a ruby extension
    without requiring a separate SQLite installation.
    
    This adapter is full featured and passes all integration tests, and
    all but one of the SQLite adapter tests (I could fix that failing
    test, but I don't think it's worth it).
    
    The only major issue with the amalgalite adapter is that it is
    currently pretty slow (10 times slower in the integration tests,
    40 times slower in the adapter specs).  This could have something
    to do with the fact that the adapter reloads the entire schema
    whenever there is a possibility that cached information could be
    stale.  I didn't want to do that, but otherwise amalgalite can
    give you weird NoMethodErrors.
    
    As I don't use this in production, I'm not planning on working on
    the performance issues.
Commits on Mar 15, 2009
  1. Update README.rdoc

    authored
    There are a bunch of minor changes made in this commit due to features being
    changed already or things that will change in 3.0.  I added some more
    description in some parts, and removed some example code that I don't want
    to encourage the use of.
Commits on Feb 20, 2009
  1. Another minor README fix

    authored
Commits on Jan 31, 2009
  1. Documentation cleanup

    authored
    Most of this is using the block argument provided by filter instead
    of sql_string or sql_number.
    
    This also moves the column references via symbols documentation from
    the dataset filtering rdoc to the README.
    
    Add info on the new database independent migrations to the schema
    rdoc.
Commits on Jan 28, 2009
Commits on Jan 21, 2009
  1. Don't clobber the following Symbol instance methods when using ruby 1…

    authored
    ….9: [], <, <=, >, >=
    
    This sizeable commit is necessary due to the fact that Sequel was
    violating one of it's own principles, which is that it does not
    override methods defined by ruby, it only adds methods not already
    defined.  Ruby 1.9 adds Symbol#[] and includes Comparable in Symbol,
    which define <, <=, >, and >=.
    
    If you are using 1.9, code like this will stop working:
    
      dataset.filter(:number > 1)
      dataset.filter(:number >= 2)
      dataset.filter(:name < 'M')
      dataset.filter(:name <= 'I')
      dataset.filter(:is_bool[:x])
    
    This obviously breaks backwards compatibility for 1.9 users, but
    it's necessary as we can't allow Sequel to completely change the
    meaning of existing methods on core classes.  Thankfully, the fix
    is fairly easy, if a little verbose:
    
      dataset.filter(:number.sql_number > 1)
      dataset.filter(:number.sql_number >= 2)
      dataset.filter(:name.sql_string < 'M')
      dataset.filter(:name.sql_string <= 'I')
      dataset.filter(:is_bool.sql_function(:x))
    
    Code like this won't break:
    
      dataset.filter(:number - 1 > 0)
    
    Because :number - 1 yields a Sequel::SQL::ComplexExpression, which
    defines #>.  Therefore, you can change the following:
    
      dataset.filter(:number > 1)
    
    to:
    
      dataset.filter(:number - 1 > 0)
    
    But I think using .sql_number is more clear.
    
    In order to find existing uses of the above issues, here are a
    couple commands you can run (from the root of your project):
    
      # Find :symbol[]
      egrep -nr ':['\''"]?[a-zA-Z_0-9]*['\''"]?\[' *
      # Find :symbol (<|>|<=|>=)
      egrep -nr '[^:]:['\''"]?[a-zA-Z_0-9]*['\''"]? *[<>]=?' *
    
    All of the documentation was changed to reflect these new
    conventions.  Note that if you are using ruby 1.8, you do not have
    to make the change immediately.  However, if you ever plan to move to
    ruby 1.9, it's better to make the change sooner than later.
    
    In order to implement this change the Sequel::SQL::*Methods modules
    were reorganized so that they don't include other modules.  This
    means that if you were used to just including
    Sequel::SQL::GenericExpressionMethods in a class to make it act like
    a Sequel expression, you now need to include all modules separately.
    
    Since Sequel::SQL::SpecificExpressionMethods and
    Sequel::SQL::GenericExpressionMethods were modules whose sole purpose
    was to include other modules, those modules have been removed.
    
    Personally, I think making symbols more like strings was a bad
    design decision, and hopefully one that will be removed in a later
    version.  However, as ruby 1.9.1 is already at the release candidate
    2 stage, I'm guessing it is here to stay.
Commits on Jan 20, 2009
  1. Add DataObjects adapter, with PostgreSQL, MySQL, and SQLite subadapters

    authored
    The DataObjects support in this commit is fairly simple, and mostly
    ported from the JDBC support for these databases.  There is no bound
    variable, prepared statement, or stored procedure support yet, and I
    have no plans to add it.  There is a potential performance advantage
    to using DataObjects as it handles a lot more in C (such as
    typecasting).
    
    Most adapter specs and integration tests pass with this, though
    a few fail (similar to the situation with JDBC).
    
    This commit makes some other minor changes:
    
    JDBC databases are now extended with their subadapter code before
    Database#initialize is called, as this is required in certain
    cases.  I didn't notice any problems on JDBC before, but when
    copying over the JDBC code to the DataObjects adapter, there were
    problems when the subadapter support was added after the
    Database#initialize was called (don't remember exactly what, though).
    
    Database.uri is now aliased explicitly via a real method, so it
    is easier to subclass.
    
    Sequel::PostgreSQL.client_min_messages is now set in the shared
    adapter instead of the native postgres adapter because it has an
    effect when using the DataObjects adapter.  There shouldn't be
    any negative reprecussions when doing this.
    
    The SQLite Dataset#delete implementation was changed so that instead
    of counting first and deleting inside of a transaction, it just adds
    a condition that is always true.  This makes it do a regular delete
    instead of truncate style delete.  I didn't test the performance
    implications, if they are negative and significant, please let me
    know.  The new code is certainly cleaner.
    
    Database#initialize now uses @opts ||= opts instead of @opts = opts,
    to allow subclasses to extend the database before calling super.
    
    Special DataObjects support was added to Database.connect, similar
    to the existing JDBC support.  I'm tempted to refactor this, as it is
    ugly, but there's not yet a need.
    
    Database and Dataset #execute_insert were added.
    Database#execute_insert just calls #execute_dui by default, and
    Dataset#execute_insert calls Database#execute_insert.  This will
    be used to refactor some of the adapters and remove some duplication,
    since returning the primary key when inserting is going to be
    significantly different than returning the number of affected rows on
    most if not all databases.
    
    The add_foreign_key integration test is no longer skipped if MySQL is
    used, now that MySQL supports add_foreign_key.
Commits on Jan 12, 2009
  1. @pusewicz
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