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} | ||
| 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 |
Public Instance methods
supports_savepoints?
()
Check the JDBC DatabaseMetaData for savepoint support
[show source]
# File lib/sequel/adapters/jdbc/transactions.rb, line 12 def supports_savepoints? return @supports_savepoints if defined?(@supports_savepoints) @supports_savepoints = synchronize{|c| c.getMetaData.supports_savepoints} end
supports_transaction_isolation_levels?
()
Check the JDBC DatabaseMetaData for support for serializable isolation, since that’s the value most people will use.
[show source]
# File lib/sequel/adapters/jdbc/transactions.rb, line 19 def supports_transaction_isolation_levels? synchronize{|conn| conn.getMetaData.supportsTransactionIsolationLevel(JavaSQL::Connection::TRANSACTION_SERIALIZABLE)} end