RelationInfo

Returns a list of four values for each relationship directly related to tableName.

Format 

RelationInfo ( fileName ; tableName )

Parameters 

fileName - the name of an open database file (local or remote).

tableName - the name of a table in the specified database file.

Data type returned 

text

Originated in version 

6.0 or earlier

Description 

Values in a list are separated by carriage returns, and lists are separated by two carriage returns. For each additional relationship connected to tableName, an additional list of four values is output.

The four values are:

  • Source: Data Source Name of the database table connected to tableName.
  • Table: the name of the table connected to tableName.
  • Options: the options that were set in the right side of the Edit Relationship dialog box when the relationship was defined. This line is blank if the following options are not set; otherwise these options are separated by spaces.
    • Delete, if Delete related records in this table when a record is deleted in the other table is selected in the right side of the Edit Relationship dialog box.
    • Create, if Allow creation of records in this table via this relationship is selected in the right side of the Edit Relationship dialog box.
    • Sorted, if Sort records is selected in the right side of the Edit Relationship dialog box.
  • Relationships: a list of the defined relationships, one per line. Field names are fully qualified, for example, TableName::Field Name.

Example 1 

A database file called Human Resources has three tables: Company, Employees, and Addresses. Company::Company ID is connected to Employees::Company ID, Employees::Employee ID is connected to Addresses::Employee ID and Employees::DateOfHire is connected to Addresses::DateMovedIn.

The relationships have the following criteria:

  • You can create records in all tables.
  • You cannot delete records in all tables.
  • A sort was specified for the Addresses table for the Employees<-->Addresses relationship.

RelationInfo ( "Human Resources" ; "Employees" ) returns:

Source: Human Resources

Table: Company

Options: Create

Company::Company ID = Employees::Company ID

 

Source: Human Resources

Table: Addresses

Options: Create Sorted

Addresses::Employee ID = Employees::Employee ID

Addresses::DateMovedIn >= Employees::DateOfHire

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