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amatsuda committed Nov 24, 2011
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20 changes: 20 additions & 0 deletions MIT-LICENSE
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Copyright (c) 2011 Akira Matsuda

Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:

The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
79 changes: 79 additions & 0 deletions README.rdoc
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= Everywhere

Hash condition syntax for AR query everywhere!


== Features

=== where + not

"+Everywhere+" enables you to construct where + not query such as below using AR Hash query syntax.

SELECT "users".* FROM "users" WHERE ("users"."name" != 'foo')
SELECT "users".* FROM "users" WHERE ("users"."created_at" IS NOT NULL)
SELECT "users".* FROM "users" WHERE ("users"."status" NOT IN ('inactive', 'deleted')


== Syntaxes

"+Everywhere+" supports 4 syntaxes.

* hash_value
Push the value into a Hash indexed by +:not+.
Similar to MongoDB. http://www.mongodb.org/display/DOCS/Advanced+Queries#AdvancedQueries-%24ne

User.where(:name => {:not => 'foo'})
=> SELECT "users".* FROM "users" WHERE ("users"."name" != 'foo')

* hash_key
Put the whole key + value Hash into another Hash indexed by +:not+.

User.where(:not => {:name => 'foo'})
=> SELECT "users".* FROM "users" WHERE ("users"."name" != 'foo')

* symbol
Put +:not+ as the first parameter of +where+ method.

User.where(:not, :name => 'foo')
=> SELECT "users".* FROM "users" WHERE ("users"."name" != 'foo')

* method
Use the special method named +where_not+.

User.where_not(:not, :name => 'foo')
=> SELECT "users".* FROM "users" WHERE ("users"."name" != 'foo')


== Supported versions

ActiveRecord 3.0.x, 3.1.x, and 3.2 (edge)


== Usage

Bundle 'everywhere' gem.


== Configuring the syntax

You can choose one from four syntaxes listed above.
For example, if you prefer the symbol syntax, put the following line in your config file.

config.active_record.where_syntax = :symbol

The default value is +:hash_value+.


== Todo

+like+ and +not like+ (if needed)


== Contributing to Everywhere

* Fork, fix, then send me a pull request.


== Copyright

Copyright (c) 2011 Akira Matsuda. See MIT-LICENSE for further details.
4 changes: 2 additions & 2 deletions everywhere.gemspec
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Expand Up @@ -8,8 +8,8 @@ Gem::Specification.new do |s|
s.authors = ["Akira Matsuda"]
s.email = ["ronnie@dio.jp"]
s.homepage = ""
s.summary = %q{TODO: Write a gem summary}
s.description = %q{TODO: Write a gem description}
s.summary = %q{Hash condition syntax for AR query everywhere!}
s.description = %q{Hash condition syntax for AR query everywhere!}

s.rubyforge_project = "everywhere"

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