private static void DoWhereSqlClauseBuilder <T>(SqlClauseBuilderIUW builder, ORMappingItem item, T graph)
{
object data = GetValueFromObject(item, graph);
if ((data == null || data == DBNull.Value))
{
builder.AppendItem(item.DataFieldName, data, SqlClauseBuilderBase.Is);
}
else
{
builder.AppendItem(item.DataFieldName, data);
}
}
private static void DoInsertUpdateSqlClauseBuilder <T>(SqlClauseBuilderIUW builder, ORMappingItem item, T graph)
{
if (item.IsIdentity == false)
{
object data = GetValueFromObject(item, graph);
if ((data == null || data == DBNull.Value || (data != null && data.Equals(TypeCreator.GetTypeDefaultValue(data.GetType())))) &&
string.IsNullOrEmpty(item.DefaultExpression) == false)
{
builder.AppendItem(item.DataFieldName, item.DefaultExpression, SqlClauseBuilderBase.EqualTo, true);
}
else
{
builder.AppendItem(item.DataFieldName, data);
}
}
}