转自博友"菜刀-soft"!
查询实体信息：
--查询实体信息,实体名称：account select * from MetadataSchema.Entity where name= 'account'
查询窗体信息：
--查询窗体信息,ObjectTypeCode: 实体的code select * from systemform where ObjectTypeCode = 1
查询视图信息：
--查询视图信息,ReturnedTypeCode:实体的code select * from SavedQuerybase where ReturnedTypeCode = 1
查询字段信息：
--查询字段信息 with attr as( select * from MetadataSchema.Attribute as a where a.EntityId in (select entityid from MetadataSchema.Entity where name = 'new_member') and a.IsCustomField = 1 ) select a.attributeid,a.Name,label.Label,ty.Description, (select top 1 name from MetadataSchema.Entity where EntityId in ( select ship.ReferencedEntityId from MetadataSchema.Relationship as ship where ship.ReferencingAttributeId = a.AttributeId)) as 'lookName' from attr as a inner join MetadataSchema.LocalizedLabel as label on a.attributeid = label.objectid inner join MetadataSchema.AttributeTypes as ty on a.AttributeTypeId = ty.AttributeTypeId where label.objectcolumnname = 'DisplayName' and a.validforcreateapi = 1
查询关系信息： select * from MetadataSchema.Relationship where ReferencingEntityId in (select top 1 entityid from MetadataSchema.Entity where name = 'new_store')
