/// <summary>
/// 仅CqlStore
/// </summary>
private static void ChangeClusteringColumns(EntityModel entityModel, string value)
{
if (entityModel.PersistentState != PersistentState.Detached)
{
throw new NotSupportedException("Can't change pk for none new EntityModel");
}
var array = JArray.Parse(value);
if (array.Count == 0)
{
entityModel.CqlStoreOptions.PrimaryKey.ClusteringColumns = null;
}
else
{
var newvalue = new FieldWithOrder[array.Count];
for (int i = 0; i < array.Count; i++)
{
newvalue[i] = new FieldWithOrder()
{
MemberId = (ushort)array[i]["MemberId"],
OrderByDesc = (bool)array[i]["OrderByDesc"]
};
}
entityModel.CqlStoreOptions.PrimaryKey.ClusteringColumns = newvalue;
}
OnCqlPKChanged(entityModel);//改变主键成员的AllowNull
}
/// <summary>
/// SysStore及SqlStore通用
/// </summary>
private static IndexModelBase AddIndex(EntityModel entityModel, string value)
{
if (entityModel.StoreOptions == null)
{
throw new InvalidOperationException("Can't add index for DTO");
}
var indexInfo = JsonConvert.DeserializeObject <IndexInfo>(value);
//Validate
if (string.IsNullOrEmpty(indexInfo.Name))
{
throw new Exception("Index has no name");
}
if (!CodeHelper.IsValidIdentifier(indexInfo.Name))
{
throw new Exception("Index name not valid");
}
if (indexInfo.Fields == null || indexInfo.Fields.Length == 0)
{
throw new Exception("Index has no fields");
}
if (entityModel.StoreOptions.HasIndexes &&
entityModel.StoreOptions.Indexes.Any(t => t.Name == indexInfo.Name))
{
throw new Exception("Index name has existed");
}
var fields = new FieldWithOrder[indexInfo.Fields.Length];
for (int i = 0; i < indexInfo.Fields.Length; i++)
{
fields[i] = new FieldWithOrder(indexInfo.Fields[i].MID, indexInfo.Fields[i].OrderByDesc);
}
//根据存储类型新建索引并添加至模型内
if (entityModel.SysStoreOptions != null)
{
var newIndex = new EntityIndexModel(entityModel, indexInfo.Name, indexInfo.Unique, fields, null);
entityModel.SysStoreOptions.AddIndex(entityModel, newIndex);
return(newIndex);
}
else
{
var newIndex = new SqlIndexModel(entityModel, indexInfo.Name, indexInfo.Unique, fields, null);
entityModel.SqlStoreOptions.AddIndex(entityModel, newIndex);
return(newIndex);
}
}
