/// <summary>
/// Performs CRUD execution of queries that do not return result set. Override to do custom Query interpretation
/// </summary>
protected internal virtual int DoExecuteWithoutFetch(MySqlConnection cnn, MySqlTransaction transaction, Query[] queries)
{
if (queries == null)
{
return(0);
}
var affected = 0;
foreach (var query in queries)
{
var handler = QueryResolver.Resolve(query);
try
{
affected += handler.ExecuteWithoutFetch(new MySQLCRUDQueryExecutionContext(this, cnn, transaction), query);
}
catch (Exception error)
{
throw new MySQLDataAccessException(
StringConsts.EXECUTE_WITHOUT_FETCH_ERROR + error.ToMessageWithType(),
error,
KeyViolationKind.Unspecified,
CRUDGenerator.KeyViolationName(error));
}
}
return(affected);
}
/// <summary>
/// Performs CRUD load. Override to do custom Query interpretation
/// </summary>
protected internal virtual List <RowsetBase> DoLoad(MySqlConnection cnn, MySqlTransaction transaction, Query[] queries, bool oneRow = false)
{
var result = new List <RowsetBase>();
if (queries == null)
{
return(result);
}
foreach (var query in queries)
{
var handler = QueryResolver.Resolve(query);
try
{
var rowset = handler.Execute(new MySQLCRUDQueryExecutionContext(this, cnn, transaction), query, oneRow);
result.Add(rowset);
}
catch (Exception error)
{
throw new MySQLDataAccessException(
StringConsts.LOAD_ERROR + error.ToMessageWithType(),
error,
KeyViolationKind.Unspecified,
CRUDGenerator.KeyViolationName(error));
}
}
return(result);
}
/// <summary>
/// Performs CRUD load. Override to do custom Query interpretation
/// </summary>
protected internal virtual Cursor DoOpenCursor(MySqlConnection cnn, MySqlTransaction transaction, Query query)
{
var context = new MySQLCRUDQueryExecutionContext(this, cnn, transaction);
var handler = QueryResolver.Resolve(query);
try
{
return(handler.OpenCursor(context, query));
}
catch (Exception error)
{
throw new MySQLDataAccessException(
StringConsts.OPEN_CURSOR_ERROR + error.ToMessageWithType(),
error,
KeyViolationKind.Unspecified,
CRUDGenerator.KeyViolationName(error));
}
}
/// <summary>
/// Performs CRUD load without fetching data only returning schema. Override to do custom Query interpretation
/// </summary>
protected internal virtual Schema DoGetSchema(MySqlConnection cnn, MySqlTransaction transaction, Query query)
{
if (query == null)
{
return(null);
}
var handler = QueryResolver.Resolve(query);
try
{
return(handler.GetSchema(new MySQLCRUDQueryExecutionContext(this, cnn, transaction), query));
}
catch (Exception error)
{
throw new MySQLDataAccessException(
StringConsts.GET_SCHEMA_ERROR + error.ToMessageWithType(),
error,
KeyViolationKind.Unspecified,
CRUDGenerator.KeyViolationName(error));
}
}