public override DbDataReader ExecuteReader(string cmd, int timeout = 0)
{
DbCommand command = DbDriver.CreateCommand(cmd, _connection);
if (timeout > 0)
{
command.CommandTimeout = timeout;
}
return(command.ExecuteReader());
}
public override int ExecuteNonQuery(string cmd, int timeout = 0)
{
DbCommand command = DbDriver.CreateCommand(cmd, _connection);
if (timeout > 0)
{
command.CommandTimeout = timeout;
}
return(command.ExecuteNonQuery());
}
/// <summary>
/// Gets the example query meta data.
/// </summary>
/// <param name="dbDriver">The driver.</param>
/// <param name="sampleSQL">The sample SQL.</param>
/// <param name="metadataSetting">The metadata setting.</param>
/// <param name="contextAttributes">The context attributes.</param>
/// <returns></returns>
private static QueryMetaData GetExampleQueryMetaData(
DbDriver dbDriver,
string sampleSQL,
ColumnSettings metadataSetting,
IEnumerable<Attribute> contextAttributes)
{
var sampleSQLFragments = PlaceholderParser.ParsePlaceholder(sampleSQL);
using (var dbCommand = dbDriver.CreateCommand(sampleSQLFragments, metadataSetting, contextAttributes)) {
return dbCommand.MetaData;
}
}
public DataCommandBuilder(DbDriver driver, bool batchMode = false, SqlGenMode mode = SqlGenMode.PreferParam)
{
_driver = driver;
_sqlDialect = _driver.SqlDialect;
_batchMode = batchMode;
_genMode = mode;
_maxLiteralLength = _driver.SqlDialect.MaxLiteralLength;
_dbCommand = _driver.CreateCommand();
//reserve spots: #0 for batch-begin (BEGIN; in ORACLE); #2 for Begin Trans
_sqlStrings.Add(string.Empty);
_sqlStrings.Add(string.Empty);
}
/// <summary>
/// Make a new pair of resources.
/// </summary>
/// <returns>pair of resources</returns>
protected Pair<DbDriver, DbDriverCommand> MakeNew()
{
Log.Info(".MakeNew Obtaining new connection and statement");
try {
// Get the driver
DbDriver dbDriver = _databaseConnectionFactory.Driver;
// Get the command
DbDriverCommand dbCommand = dbDriver.CreateCommand(_sqlFragments, null, _contextAttributes);
return new Pair<DbDriver, DbDriverCommand>(dbDriver, dbCommand);
}
catch (DatabaseConfigException ex) {
throw new EPException("Error obtaining connection", ex);
}
}
