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

Methods

supports_savepoints?   supports_transaction_isolation_levels?  

Constants

TRANSACTION_BEGIN = 'Transaction.begin'.freeze
TRANSACTION_COMMIT = 'Transaction.commit'.freeze
TRANSACTION_RELEASE_SP = 'Transaction.release_savepoint'.freeze
TRANSACTION_ROLLBACK = 'Transaction.rollback'.freeze
TRANSACTION_ROLLBACK_SP = 'Transaction.rollback_savepoint'.freeze
TRANSACTION_SAVEPOINT = 'Transaction.savepoint'.freeze
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}

Public Instance methods

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]