Rails on Oracle 2011

Rails on Oracle

Raimonds Simanovskis github.com/rsim @rsim

Self-promotion :) eazybi.com

How to contribute to ActiveRecord Oracle enhanced adapter

Main components Rails 3.x build query ActiveRecord Arel SQL Arel::Visitors::Oracle execute resultsOracleEnhancedAdapter ActiveRecord:: ConnectionAdapters:: AbstractAdapter

What Oracle Enhanced adapter does database metadata custom CUD connection queries procedures schema customvalue quoting deﬁnition stmts schema stmtscolumn type context index schema dump mapping creationresults type structure AR patches mapping dump

Oracle Data Types Ruby Rails Oracle Fixnum :integer NUMBER Float :ﬂoat NUMBER BigDecimal :decimal NUMBER, DECIMAL Time :datetime DATE Time :time DATE Date :date DATE String :string VARCHAR2 String :text CLOB String :binary BLOBTrue/FalseClass :boolean NUMBER(1), CHAR(1)

Latest additionRuby Rails OracleString :raw RAW

Legacy schemasclass Employee < ActiveRecord::Base set_table_name "hr_employees" set_primary_key "employee_id" set_sequence_name "hr_employee_s" set_date_columns :hired_on, :birth_date_on set_datetime_columns :last_login_time set_boolean_columns :manager, :active ignore_table_columns :attribute1, :attribute2end

class Employee < ActiveRecord::Base set_create_method do plsql.employees_pkg.create_employee( :p_first_name => first_name,ActiveRecord :p_last_name => last_name, :p_employee_id => nil )[:p_employee_id] with end set_update_method do PL/SQL plsql.employees_pkg.update_employee( :p_employee_id => id, :p_first_name => first_name, CRUD ) :p_last_name => last_name procedures end set_delete_method do plsql.employees_pkg.delete_employee( :p_employee_id => id ) end end

Full-text indexesadd_context_index :posts, [:title, :body, # specify aliases always with AS keyword "SELECT comments.author AS comment_author, " + "comments.body AS comment_body " + "FROM comments WHERE comments.post_id = :id" ], :name => post_and_comments_index, :index_column => :all_text, :index_column_trigger_on => [:updated_at, :comments_count], :sync => ON COMMITPost.contains(:all_text, "hello")Post.contains(:all_text, "{first} within title")Post.contains(:all_text, "{first} AND {post}")

Gemfilegem “ruby-oci8”, “~>2.0.4”gem “activerecord-oracle_enhanced-adapter”, “~>1.3.2”gem “activerecord-oracle_enhanced-adapter”, :git=> “git://github.com/rsim/oracle-enhanced.git”

Currently testing onActiveRecord versions 2.3.x 3.0.x 3.1.beta

Currently testing on Oracle versions 10.2.0.4 11gR2 should be OK :)

Currently testing on Ruby platforms oracle_enhanced adapter Ruby 1.8.7 Ruby 1.9.2 JRuby 1.6ruby-oci8 2.0.4 ruby-oci8 2.0.4 ojdbc6.jar

Reporting issues

Where? http://github.com/rsim/oracle-enhanced/issueshttp://groups.google.com/group/oracle-enhanced

How? Provide full examplerequire "rubygems"gem "activerecord", "3.0.5"gem "activerecord-oracle_enhanced-adapter", "1.3.2"require "active_record"ActiveRecord::Base.establish_connection(:adapter => "oracle_enhanced", :database => "orcl", :username => "hr", :password => "hr")ActiveRecord::Base.connection.instance_eval do drop_table :test_categories rescue nil create_table :test_categories, :force => true do |t| t.string :name t.string :category_code endendclass TestCategory < ActiveRecord::Baseendcategory = TestCategory.new(:name=>"hl", :category_code=>"hd")category.id = 1category.save!p category

IdeallyGithub pull request

Other libraries

ruby-plsql gemplsql.connect! "hr","hr","xe"plsql.test_uppercase(xxx) # => "XXX"plsql.test_uppercase(:p_string => xxx) # => "XXX"plsql.test_copy("abc", nil, nil) # => { :p_to => "abc", # :p_to_double => "abcabc" }plsql.test_copy(:p_from => "abc", :p_to => nil, :p_to_double => nil) # => { :p_to => "abc", # :p_to_double => "abcabc" }plsql.hr.test_uppercase(xxx) # => "XXX"plsql.test_package.test_uppercase(xxx) # => XXXplsql.hr.test_package.test_uppercase(xxx) # => XXXplsql.logoff

ruby-plsql-spec ideal language for writing tests powerful testing tools RSpec with “readable” syntax library for callingruby-plsql PL/SQL procedures from Ruby

http://github.com/rsim/mondrian-olap

More information http://blog.rayapps.com http://github.com/rsim/oracle-enhancedhttp://groups.google.com/group/oracle-enhanced

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Rails on Oracle 2011

by rsim on May 17, 2011

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