/// <summary>
/// Performs CRUD execution of queries that do not return result set. Override to do custom Query interpretation
/// </summary>
protected internal async virtual Task <int> DoExecuteWithoutFetchAsync(SqlConnection cnn, SqlTransaction transaction, Query[] queries)
{
if (queries == null)
{
return(0);
}
var affected = 0;
foreach (var query in queries)
{
var handler = QueryResolver.Resolve(query);
try
{
affected += await handler.ExecuteWithoutFetchAsync(new MsSqlCRUDQueryExecutionContext(this, cnn, transaction), query);
}
catch (Exception error)
{
throw new MsSqlDataAccessException(
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 async virtual Task <List <RowsetBase> > DoLoadAsync(SqlConnection cnn, SqlTransaction transaction, Query[] queries, bool oneDoc = false)
{
var result = new List <RowsetBase>();
if (queries == null)
{
return(result);
}
foreach (var query in queries)
{
var handler = QueryResolver.Resolve(query);
try
{
var rowset = await handler.ExecuteAsync(new MsSqlCRUDQueryExecutionContext(this, cnn, transaction), query, oneDoc);
result.Add(rowset);
}
catch (Exception error)
{
throw new MsSqlDataAccessException(
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 async virtual Task <Cursor> DoOpenCursorAsync(SqlConnection cnn, SqlTransaction transaction, Query query)
{
var context = new MsSqlCRUDQueryExecutionContext(this, cnn, transaction);
var handler = QueryResolver.Resolve(query);
try
{
return(await handler.OpenCursorAsync(context, query).ConfigureAwait(false));
}
catch (Exception error)
{
throw new MsSqlDataAccessException(
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 async virtual Task <Schema> DoGetSchemaAsync(SqlConnection cnn, SqlTransaction transaction, Query query)
{
if (query == null)
{
return(null);
}
var handler = QueryResolver.Resolve(query);
try
{
return(await handler.GetSchemaAsync(new MsSqlCRUDQueryExecutionContext(this, cnn, transaction), query).ConfigureAwait(false));
}
catch (Exception error)
{
throw new MsSqlDataAccessException(
StringConsts.GET_SCHEMA_ERROR + error.ToMessageWithType(),
error,
KeyViolationKind.Unspecified,
CRUDGenerator.KeyViolationName(error));
}
}
