Module: Sequel::JDBC::H2::DatabaseMethods

Defined in:
lib/sequel/adapters/jdbc/h2.rb

Overview

Instance methods for H2 Database objects accessed via JDBC.

Constant Summary collapse

PRIMARY_KEY_INDEX_RE = 
/\Aprimary_key/i.freeze

Instance Method Summary collapse

Instance Method Details

#commit_prepared_transaction(transaction_id) ⇒ Object

Commit an existing prepared transaction with the given transaction identifier string.



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# File 'lib/sequel/adapters/jdbc/h2.rb', line 11

def commit_prepared_transaction(transaction_id)
  run("COMMIT TRANSACTION #{transaction_id}")
end

#database_type ⇒ Object

H2 uses the :h2 database type.



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# File 'lib/sequel/adapters/jdbc/h2.rb', line 16

def database_type
  :h2
end

#rollback_prepared_transaction(transaction_id) ⇒ Object

Rollback an existing prepared transaction with the given transaction identifier string.



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# File 'lib/sequel/adapters/jdbc/h2.rb', line 22

def rollback_prepared_transaction(transaction_id)
  run("ROLLBACK TRANSACTION #{transaction_id}")
end

#serial_primary_key_options ⇒ Object

H2 uses an IDENTITY type



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# File 'lib/sequel/adapters/jdbc/h2.rb', line 27

def serial_primary_key_options
  {:primary_key => true, :type => :identity, :identity=>true}
end

#supports_create_table_if_not_exists? ⇒ Boolean

H2 supports CREATE TABLE IF NOT EXISTS syntax.

Returns:

  • (Boolean) 


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# File 'lib/sequel/adapters/jdbc/h2.rb', line 32

def supports_create_table_if_not_exists?
  true
end

#supports_prepared_transactions? ⇒ Boolean

H2 supports prepared transactions

Returns:

  • (Boolean) 


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# File 'lib/sequel/adapters/jdbc/h2.rb', line 37

def supports_prepared_transactions?
  true
end

#supports_savepoints? ⇒ Boolean

H2 supports savepoints

Returns:

  • (Boolean) 


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# File 'lib/sequel/adapters/jdbc/h2.rb', line 42

def supports_savepoints?
  true
end