Module: Sequel::ODBC::MSSQL::DatabaseMethods

Includes:
MSSQL::DatabaseMethods
Defined in:
lib/sequel/adapters/odbc/mssql.rb

Constant Summary collapse

LAST_INSERT_ID_SQL =
'SELECT SCOPE_IDENTITY()'

Constants included from MSSQL::DatabaseMethods

MSSQL::DatabaseMethods::AUTO_INCREMENT, MSSQL::DatabaseMethods::DECIMAL_TYPE_RE, MSSQL::DatabaseMethods::SERVER_VERSION_RE, MSSQL::DatabaseMethods::SERVER_VERSION_SQL, MSSQL::DatabaseMethods::SQL_BEGIN, MSSQL::DatabaseMethods::SQL_COMMIT, MSSQL::DatabaseMethods::SQL_ROLLBACK, MSSQL::DatabaseMethods::SQL_ROLLBACK_TO_SAVEPOINT, MSSQL::DatabaseMethods::SQL_SAVEPOINT

Instance Attribute Summary

Attributes included from MSSQL::DatabaseMethods

#mssql_unicode_strings

Instance Method Summary collapse

Methods included from MSSQL::DatabaseMethods

#database_type, #server_version, #supports_savepoints?, #supports_transaction_isolation_levels?, #tables

Instance Method Details

#dataset(opts = nil) ⇒ Object

Return an instance of Sequel::ODBC::MSSQL::Dataset with the given opts.



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# File 'lib/sequel/adapters/odbc/mssql.rb', line 13

def dataset(opts=nil)
  Sequel::ODBC::MSSQL::Dataset.new(self, opts)
end

#execute_insert(sql, opts = {}) ⇒ Object

Return the last inserted identity value.



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# File 'lib/sequel/adapters/odbc/mssql.rb', line 18

def execute_insert(sql, opts={})
  synchronize(opts[:server]) do |conn|
    begin
      log_yield(sql){conn.do(sql)}
      begin
        s = log_yield(LAST_INSERT_ID_SQL){conn.run(LAST_INSERT_ID_SQL)}
        if (rows = s.fetch_all) and (row = rows.first)
          Integer(row.first)
        end
      ensure
        s.drop if s
      end
    rescue ::ODBC::Error => e
      raise_error(e)
    end
  end
end