-module ActiveRecord
- module ConnectionAdapters
- module SchemaStatements
- def quote_column_names(column_name)
- Array(column_name).map { |e| quote_column_name(e) }.join(", ")
+module OpenStreetMap
+ module ActiveRecord
+ module AbstractAdapter
+ def add_index_options(table_name, column_name, options = {})
+ columns = options.delete(:columns)
+ index_name, index_type, index_columns, index_options, algorithm, using = super(table_name, column_name, options)
+ [index_name, index_type, columns || index_columns, index_options, algorithm, using]
end
+ 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})"
+ module PostgreSQLAdapter
+ def quote_column_name(name)
+ Array(name).map { |n| super(n) }.join(", ")
end
- def remove_primary_key(table_name)
- execute "ALTER TABLE #{table_name} DROP PRIMARY KEY"
- end
+ def add_primary_key(table_name, column_name, _options = {})
+ table_name = quote_table_name(table_name)
+ column_name = quote_column_name(column_name)
- 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)})"
+ execute "ALTER TABLE #{table_name} ADD PRIMARY KEY (#{column_name})"
end
- alias_method :old_options_include_default?, :options_include_default?
+ def remove_primary_key(table_name)
+ table_name = quote_table_name(table_name)
- def options_include_default?(options)
- return false if options[:options] =~ /AUTO_INCREMENT/i
- return old_options_include_default?(options)
+ execute "ALTER TABLE #{table_name} DROP PRIMARY KEY"
end
- alias_method :old_add_column_options!, :add_column_options!
+ def alter_primary_key(table_name, new_columns)
+ constraint_name = quote_table_name("#{table_name}_pkey")
+ table_name = quote_table_name(table_name)
+ new_columns = quote_column_name(new_columns)
- def add_column_options!(sql, options)
- sql << " UNSIGNED" if options[:unsigned]
- old_add_column_options!(sql, options)
- sql << " #{options[:options]}"
+ execute "ALTER TABLE #{table_name} DROP CONSTRAINT #{constraint_name}"
+ execute "ALTER TABLE #{table_name} ADD PRIMARY KEY (#{new_columns})"
end
- end
-
- class MysqlAdapter
- alias_method :old_native_database_types, :native_database_types
- def native_database_types
- types = old_native_database_types
- types[:bigint] = { :name => "bigint", :limit => 20 }
- types[:double] = { :name => "double" }
- types[:bigint_pk] = { :name => "bigint(20) DEFAULT NULL auto_increment PRIMARY KEY" }
- types
+ def create_enumeration(enumeration_name, values)
+ execute "CREATE TYPE #{enumeration_name} AS ENUM ('#{values.join '\',\''}')"
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
- 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)
+ def drop_enumeration(enumeration_name)
+ execute "DROP TYPE #{enumeration_name}"
end
- def myisam_table
- return { :id => false, :force => true, :options => "ENGINE=MyIsam" }
- end
+ def rename_enumeration(old_name, new_name)
+ old_name = quote_table_name(old_name)
+ new_name = quote_table_name(new_name)
- def innodb_table
- return { :id => false, :force => true, :options => "ENGINE=InnoDB" }
+ execute "ALTER TYPE #{old_name} RENAME TO #{new_name}"
end
end
end
end
+
+ActiveRecord::ConnectionAdapters::AbstractAdapter.prepend(OpenStreetMap::ActiveRecord::AbstractAdapter)
+ActiveRecord::ConnectionAdapters::PostgreSQLAdapter.prepend(OpenStreetMap::ActiveRecord::PostgreSQLAdapter)