Module: Sequel::ADO::MSSQL::DatabaseMethods

Extended by:
Database::ResetIdentifierMangling
Includes:
MSSQL::DatabaseMethods
Defined in:
lib/sequel/adapters/ado/mssql.rb

Constant Summary

ROWS_AFFECTED =

Query to use to get the number of rows affected by an update or delete query.

"SELECT @@ROWCOUNT AS AffectedRows"

Constants included from MSSQL::DatabaseMethods

MSSQL::DatabaseMethods::AUTO_INCREMENT, MSSQL::DatabaseMethods::DECIMAL_TYPE_RE, MSSQL::DatabaseMethods::FOREIGN_KEY_ACTION_MAP, MSSQL::DatabaseMethods::MSSQL_DEFAULT_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 Database::ResetIdentifierMangling

extended

Methods included from MSSQL::DatabaseMethods

#call_mssql_sproc, #database_type, #foreign_key_list, #global_index_namespace?, #indexes, #server_version, #supports_partial_indexes?, #supports_savepoints?, #supports_transaction_isolation_levels?, #supports_transactional_ddl?, #tables, #views

Instance Method Details

- (Object) execute_dui(sql, opts = OPTS)

Issue a separate query to get the rows modified. ADO appears to use pass by reference with an integer variable, which is obviously not supported directly in ruby, and I'm not aware of a workaround.



18
19
20
21
22
23
24
25
26
27
28
29
# File 'lib/sequel/adapters/ado/mssql.rb', line 18

def execute_dui(sql, opts=OPTS)
  return super unless @opts[:provider]
  synchronize(opts[:server]) do |conn|
    begin
      log_yield(sql){conn.Execute(sql)}
      res = log_yield(ROWS_AFFECTED){conn.Execute(ROWS_AFFECTED)}
      res.getRows.transpose.each{|r| return r.shift}
    rescue ::WIN32OLERuntimeError => e
      raise_error(e)
    end
  end
end