// ...
public static new SqlFormat GetSqlFormat(MethodCallExpression method, SqlDialectProvider dialectProvider)
{
switch (method.Method.Name)
{
case nameof(DateTime.SameYear):
return(new SqlFormat("DATEDIFF(year, {0}, {1}) = 0", method.Arguments));
case nameof(DateTime.SameQuarter):
return(new SqlFormat("DATEDIFF(quarter, {0}, {1}) = 0", method.Arguments));
// ...
default:
throw new NotSupportedException($"Method '{method.Method.Name}' is not supported.");
}
}
internal IEnumerable <string> GetCommands()
{
var commands = new List <string>();
foreach (var item in Entities.GetAdded())
{
commands.Add(SqlDialectProvider.GetCreateCommand(EntityMapper.ToDataRecord(item), true));
}
foreach (var item in Entities.GetModified())
{
commands.Add(SqlDialectProvider.GetUpdateCommand(EntityMapper.ToDataRecord(item)));
}
foreach (var item in Entities.GetRemoved())
{
commands.Add(SqlDialectProvider.GetDeleteCommand(EntityMapper.ToDataRecord(item)));
}
return(commands);
}