MFClassProperty

Columns

MFClass_ID int (primarykey, not null)

ID column of MFClass

MFProperty_ID int (primarykey, not null)

ID column of MFProperty

Required bit (not null)

If the property is required on the class

RetainIfNull bit

If set to 1 then property is additional property then property will be added to metadata card if null

IsAdditional bit

Updated by system to indicate that property is not on defined on the structure as part of the class

Additional Info

This table is used to index the relationship of Properties with Classes as defined on the metadata card.

The column Required show if the property is required on the metadata card in M-files. If the property is required then the column in the class table will be created with a NOT NULL constraint.

All of the columns defined in the MFClassProperty Table for the specified class will be included in the Class Table with the data types defined above

MFClassProperty are used by spMFCreateTable when new MF Class Tables are created. This table maps the properties to specific classes as defined in the the metadata structure.

The ID’s on this table refers to the SQL ID on the MFClass and MFProperty tables. It does not refer to the MFID on these tables.

The Required column in this table exposes the required properties in M-Files to SQL and can be used to validate data input in special applications to avoid errors when the record is updated in M-Files.

Indexes

idx_MFClassProperty_Property_ID

• MFProperty_ID

Changelog

Date	Author	Description
2022-09-06	LC	add RetainIfNull and IsAdditional
2020-04-22	LC	create constraints when table is created
2019-09-07	JC	Added documentation
2016-02-10	LC	Create table