4D v13.4
FIRST SUBRECORD
FIRST SUBRECORD
| FIRST SUBRECORD ( subtable ) | ||||||||
| Parameter | Type | Description | ||||||
| subtable | Subtable |
|
Subtable in which to move to the first selected subrecord | |||||
Subtables are no longer supported starting with version 11 of 4D. A compatibility mechanism ensures the functioning of this command in converted databases; however, it is strongly recommended to replace any subtables with standard related tables.
FIRST SUBRECORD makes the first subrecord of the current subselection of subtable the current subrecord. All query, selection, and order by commands also set the current subrecord to the first subrecord. If the current subselection is empty, FIRST SUBRECORD has no effect.
The following example concatenates the first and last names in child records stored in a subtable. It copies the names into the array atNames:
` Create an array to hold the names
ARRAY TEXT(atNames;Records in subselection([People]Children))
FIRST SUBRECORD([People]Children) ` Start at the first subrecord and loop once for each child
For($vlSub;1;Records in subselection([People]Children))
atNames{$vlSub}:=[People]Children'First Name+" "+[People]Children'Last Name
NEXT SUBRECORD([People]Children)
End for
Product: 4D
Theme: Subrecords
Number:
61
Modified: 4D v11 SQL
LAST SUBRECORD
NEXT SUBRECORD
PREVIOUS SUBRECORD
