Module Sequel::JDBC::Transactions
In: lib/sequel/adapters/jdbc/transactions.rb

Methods

freeze   supports_savepoints?   supports_transaction_isolation_levels?  

Constants

JDBC_TRANSACTION_ISOLATION_LEVELS = {:uncommitted=>JavaSQL::Connection::TRANSACTION_READ_UNCOMMITTED, :committed=>JavaSQL::Connection::TRANSACTION_READ_COMMITTED, :repeatable=>JavaSQL::Connection::TRANSACTION_REPEATABLE_READ, :serializable=>JavaSQL::Connection::TRANSACTION_SERIALIZABLE}.freeze

Public Instance methods

freeze()

[Source]

   # File lib/sequel/adapters/jdbc/transactions.rb, line 6
6:       def freeze
7:         supports_savepoints?
8:         super
9:       end
supports_savepoints?()

Check the JDBC DatabaseMetaData for savepoint support

[Source]

    # File lib/sequel/adapters/jdbc/transactions.rb, line 12
12:       def supports_savepoints?
13:         return @supports_savepoints if defined?(@supports_savepoints)
14:         @supports_savepoints = synchronize{|c| c.getMetaData.supports_savepoints}
15:       end
supports_transaction_isolation_levels?()

Check the JDBC DatabaseMetaData for support for serializable isolation, since that‘s the value most people will use.

[Source]

    # File lib/sequel/adapters/jdbc/transactions.rb, line 19
19:       def supports_transaction_isolation_levels?
20:         synchronize{|conn| conn.getMetaData.supportsTransactionIsolationLevel(JavaSQL::Connection::TRANSACTION_SERIALIZABLE)}
21:       end

[Validate]