Класс RHRMJournalCheckUnPost_Vacation как это понимать?

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Field select
It is also possible to use a select statement in a lookup on a field. After a select statement that fetched a record in a table, you can write .field name to reference a field in the table.

Below you will find examples of this field select. Note, that these selects must be used in expressions!

void selectFieldExamples ()

{

// prints the NameRef field from the selected customer (which is CBS)

print (select Custtable order by NameRef).NameRef;

// Uses the balance field from the customer with accountNo 5000 (Pentagon).

// Prints a message.

if ((select Custtable where AccountNo == ).Balance > 500000)

print This customer has a balance above $500,;

}

Notice the difference between the normal select and the field select. The field select operates directly on a table, whereas the select statement operates on a table variable