Class ActiveRecord::ConnectionAdapters::Mysql2Adapter < AbstractMysqlAdapter

    # File activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb, line 33
33:       def initialize(connection, logger, connection_options, config)
34:         super
35:         @visitor = BindSubstitution.new self
36:         configure_connection
37:       end

    # File activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb, line 71
71:       def active?
72:         return false unless @connection
73:         @connection.ping
74:       end

    # File activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb, line 83
83:       def disconnect!
84:         unless @connection.nil?
85:           @connection.close
86:           @connection = nil
87:         end
88:       end

    # File activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb, line 59
59:       def error_number(exception)
60:         exception.error_number if exception.respond_to?(:error_number)
61:       end

     # File activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb, line 237
237:       def exec_delete(sql, name, binds)
238:         execute to_sql(sql, binds), name
239:         @connection.affected_rows
240:       end

     # File activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb, line 233
233:       def exec_insert(sql, name, binds)
234:         execute to_sql(sql, binds), name
235:       end

     # File activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb, line 214
214:       def exec_query(sql, name = 'SQL', binds = [])
215:         result = execute(sql, name)
216:         ActiveRecord::Result.new(result.fields, result.to_a)
217:       end

     # File activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb, line 206
206:       def execute(sql, name = nil)
207:         # make sure we carry over any changes to ActiveRecord::Base.default_timezone that have been
208:         # made since we established the connection
209:         @connection.query_options[:database_timezone] = ActiveRecord::Base.default_timezone
210: 
211:         super
212:       end

     # File activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb, line 97
 97:       def explain(arel, binds = [])
 98:         sql     = "EXPLAIN #{to_sql(arel, binds.dup)}"
 99:         start   = Time.now
100:         result  = exec_query(sql, 'EXPLAIN', binds)
101:         elapsed = Time.now - start
102: 
103:         ExplainPrettyPrinter.new.pp(result, elapsed)
104:       end

     # File activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb, line 227
227:       def insert_sql(sql, name = nil, pk = nil, id_value = nil, sequence_name = nil)
228:         super
229:         id_value || @connection.last_id
230:       end

     # File activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb, line 243
243:       def last_inserted_id(result)
244:         @connection.last_id
245:       end

    # File activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb, line 65
65:       def quote_string(string)
66:         @connection.escape(string)
67:       end

    # File activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb, line 76
76:       def reconnect!
77:         disconnect!
78:         connect
79:       end

    # File activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb, line 90
90:       def reset!
91:         disconnect!
92:         connect
93:       end

     # File activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb, line 223
223:       def select(sql, name = nil, binds = [])
224:         exec_query(sql, name).to_a
225:       end

     # File activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb, line 201
201:       def select_rows(sql, name = nil)
202:         execute(sql, name).to_a
203:       end

    # File activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb, line 39
39:       def supports_explain?
40:         true
41:       end