module ActiveRecord
module ConnectionAdapters
- module SchemaStatements
- def quote_column_names(column_name)
- Array(column_name).map { |e| quote_column_name(e) }.join(", ")
- end
-
- def add_primary_key(table_name, column_name, options = {})
- column_names = Array(column_name)
- quoted_column_names = column_names.map { |e| quote_column_name(e) }.join(", ")
- execute "ALTER TABLE #{table_name} ADD PRIMARY KEY (#{quoted_column_names})"
- end
-
- def remove_primary_key(table_name)
- execute "ALTER TABLE #{table_name} DROP PRIMARY KEY"
- end
-
- def add_foreign_key(table_name, column_name, reftbl, refcol = nil)
- execute "ALTER TABLE #{table_name} ADD " +
- "FOREIGN KEY (#{quote_column_names(column_name)}) " +
- "REFERENCES #{reftbl} (#{quote_column_names(refcol || column_name)})"
- end
-
- def remove_foreign_key(table_name, column_name, reftbl, refcol = nil)
- execute "ALTER TABLE #{table_name} DROP " +
- "CONSTRAINT #{table_name}_#{column_name[0]}_fkey"
- end
-
- alias_method :old_options_include_default?, :options_include_default?
-
- def options_include_default?(options)
- return false if options[:options] =~ /AUTO_INCREMENT/i
- return old_options_include_default?(options)
- end
-
- alias_method :old_add_column_options!, :add_column_options!
-
- def add_column_options!(sql, options)
- sql << " UNSIGNED" if options[:unsigned]
- old_add_column_options!(sql, options)
- sql << " #{options[:options]}"
- end
- end
-
- class MysqlAdapter
- if MysqlAdapter.public_instance_methods(false).include?('native_database_types')
- alias_method :old_native_database_types, :native_database_types
- end
+ class PostgreSQLAdapter
+ class SchemaCreation
+ alias_method :old_add_column_options!, :add_column_options!
- def native_database_types
- types = old_native_database_types
- types[:bigint] = { :name => "bigint", :limit => 20 }
- types[:double] = { :name => "double" }
- types[:integer_pk] = { :name => "integer DEFAULT NULL auto_increment PRIMARY KEY" }
- types[:bigint_pk] = { :name => "bigint(20) DEFAULT NULL auto_increment PRIMARY KEY" }
- types[:bigint_pk_64] = { :name => "bigint(64) DEFAULT NULL auto_increment PRIMARY KEY" }
- types[:bigint_auto_64] = { :name => "bigint(64) DEFAULT NULL auto_increment" }
- types[:bigint_auto_11] = { :name => "bigint(11) DEFAULT NULL auto_increment" }
- types[:bigint_auto_20] = { :name => "bigint(20) DEFAULT NULL auto_increment" }
- types[:four_byte_unsigned] = { :name=> "integer unsigned" }
- types[:inet] = { :name=> "integer unsigned" }
-
- enumerations.each do |e,v|
- types[e.to_sym]= { :name => "enum('#{v.join '\',\''}')" }
+ def add_column_options!(sql, options)
+ sql << " UNSIGNED" if options[:unsigned]
+ old_add_column_options!(sql, options)
+ sql << " #{options[:options]}"
end
-
- types
end
- def change_column(table_name, column_name, type, options = {})
- unless options_include_default?(options)
- options[:default] = select_one("SHOW COLUMNS FROM #{table_name} LIKE '#{column_name}'")["Default"]
-
- unless type == :string or type == :text
- options.delete(:default) if options[:default] = "";
- end
+ module SchemaStatements
+ def quote_column_names(column_name)
+ Array(column_name).map { |e| quote_column_name(e) }.join(", ")
end
- change_column_sql = "ALTER TABLE #{table_name} CHANGE #{column_name} #{column_name} #{type_to_sql(type, options[:limit], options[:precision], options[:scale])}"
- add_column_options!(change_column_sql, options)
- execute(change_column_sql)
- end
-
- def myisam_table
- return { :id => false, :force => true, :options => "ENGINE=MyIsam" }
- end
-
- def innodb_table
- return { :id => false, :force => true, :options => "ENGINE=InnoDB" }
- end
-
- def innodb_option
- return "ENGINE=InnoDB"
- end
-
- def change_engine (table_name, engine)
- execute "ALTER TABLE #{table_name} ENGINE = #{engine}"
- end
-
- def add_fulltext_index (table_name, column)
- execute "CREATE FULLTEXT INDEX `#{table_name}_#{column}_idx` ON `#{table_name}` (`#{column}`)"
- end
-
- def enumerations
- @enumerations ||= Hash.new
- end
+ def add_primary_key(table_name, column_name, options = {})
+ column_names = Array(column_name)
+ quoted_column_names = column_names.map { |e| quote_column_name(e) }.join(", ")
+ execute "ALTER TABLE #{table_name} ADD PRIMARY KEY (#{quoted_column_names})"
+ end
- def create_enumeration(enumeration_name, values)
- enumerations[enumeration_name] = values
- end
+ def remove_primary_key(table_name)
+ execute "ALTER TABLE #{table_name} DROP PRIMARY KEY"
+ end
- def drop_enumeration(enumeration_name)
- enumerations.delete(enumeration_name)
- end
+ def add_foreign_key(table_name, column_name, reftbl, refcol = nil)
+ execute "ALTER TABLE #{table_name} ADD " +
+ "FOREIGN KEY (#{quote_column_names(column_name)}) " +
+ "REFERENCES #{reftbl} (#{quote_column_names(refcol || column_name)})"
+ end
- def alter_primary_key(table_name, new_columns)
- execute("alter table #{table_name} drop primary key, add primary key (#{new_columns.join(',')})")
- end
+ def remove_foreign_key(table_name, column_name, reftbl, refcol = nil)
+ execute "ALTER TABLE #{table_name} DROP " +
+ "CONSTRAINT #{table_name}_#{column_name[0]}_fkey"
+ end
- def interval_constant(interval)
- "'#{interval}'"
+# alias_method :old_options_include_default?, :options_include_default?
+#
+# def options_include_default?(options)
+# return false if options[:options] =~ /AUTO_INCREMENT/i
+# return old_options_include_default?(options)
+# end
end
- end
- class PostgreSQLAdapter
- if PostgreSQLAdapter.public_instance_methods(false).include?('native_database_types')
- alias_method :old_native_database_types, :native_database_types
- end
+ alias_method :old_native_database_types, :native_database_types
def native_database_types
types = old_native_database_types
def innodb_option
return ""
end
-
- def change_engine(table_name, engine)
+
+ def change_engine (table_name, engine)
end
- def add_fulltext_index(table_name, column)
- execute "CREATE INDEX #{table_name}_#{column}_idx ON #{table_name} (#{column})"
+ def add_fulltext_index (table_name, column)
+ execute "CREATE INDEX #{table_name}_#{column}_idx on #{table_name} (#{column})"
end
def enumerations
else
index_type = options
end
- quoted_column_names = column_names.map { |e| quote_column_name(e) }.join(", ")
+
+ quoted_column_names = column_names.map { |e| quote_column_name(e) }
+ if Hash === options and options[:lowercase]
+ quoted_column_names = quoted_column_names.map { |e| "LOWER(#{e})" }
+ end
+ if Hash === options and options[:columns]
+ quoted_column_names = quoted_column_names + Array[options[:columns]]
+ end
+ quoted_column_names = quoted_column_names.join(", ")
+
execute "CREATE #{index_type} INDEX #{quote_column_name(index_name)} ON #{quote_table_name(table_name)} USING #{index_method} (#{quoted_column_names})"
end
def rename_index(table_name, old_name, new_name)
execute "ALTER INDEX #{quote_table_name(old_name)} RENAME TO #{quote_table_name(new_name)}"
end
-
- def rename_sequence(table_name, old_name, new_name)
- execute "ALTER SEQUENCE #{quote_table_name(old_name)} RENAME TO #{quote_table_name(new_name)}"
- end
end
end
end