diff options
Diffstat (limited to 'activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb')
-rw-r--r-- | activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb | 59 |
1 files changed, 9 insertions, 50 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb b/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb index ec343a5a57..22d35f1db5 100644 --- a/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb @@ -1,7 +1,9 @@ require 'active_record/connection_adapters/abstract_mysql_adapter' +require 'active_record/connection_adapters/mysql/database_statements' gem 'mysql2', '>= 0.3.18', '< 0.5' require 'mysql2' +raise 'mysql2 0.4.3 is not supported. Please upgrade to 0.4.4+' if Mysql2::VERSION == '0.4.3' module ActiveRecord module ConnectionHandling # :nodoc: @@ -35,9 +37,11 @@ module ActiveRecord class Mysql2Adapter < AbstractMysqlAdapter ADAPTER_NAME = 'Mysql2'.freeze + include MySQL::DatabaseStatements + def initialize(connection, logger, connection_options, config) super - @prepared_statements = false + @prepared_statements = false unless config.key?(:prepared_statements) configure_connection end @@ -53,6 +57,10 @@ module ActiveRecord true end + def supports_savepoints? + true + end + # HELPER METHODS =========================================== def each_hash(result) # :nodoc: @@ -103,55 +111,6 @@ module ActiveRecord end end - #-- - # DATABASE STATEMENTS ====================================== - #++ - - # Returns a record hash with the column names as keys and column values - # as values. - def select_one(arel, name = nil, binds = []) - arel, binds = binds_from_relation(arel, binds) - execute(to_sql(arel, binds), name).each(as: :hash) do |row| - @connection.next_result while @connection.more_results? - return row - end - end - - # Returns an array of arrays containing the field values. - # Order is the same as that returned by +columns+. - def select_rows(sql, name = nil, binds = []) - result = execute(sql, name) - @connection.next_result while @connection.more_results? - result.to_a - end - - # Executes the SQL statement in the context of this connection. - def execute(sql, name = nil) - if @connection - # make sure we carry over any changes to ActiveRecord::Base.default_timezone that have been - # made since we established the connection - @connection.query_options[:database_timezone] = ActiveRecord::Base.default_timezone - end - - super - end - - def exec_query(sql, name = 'SQL', binds = [], prepare: false) - result = execute(sql, name) - @connection.next_result while @connection.more_results? - ActiveRecord::Result.new(result.fields, result.to_a) if result - end - - def exec_delete(sql, name, binds) - execute to_sql(sql, binds), name - @connection.affected_rows - end - alias :exec_update :exec_delete - - def last_inserted_id(result) - @connection.last_id - end - private def connect |