BTree Developer Toolkit / List of Commands / "DK" Delete Keys

FATS - Fast Access Tree System
	Table of Contents
		List of Commands
			"DK" Delete Keys

"DK" Delete Keys

Command string:

CMND$ = "DK\{RecNo}\{DelFlag}\{FileNo}\{KeyString1}[\{KeyString2}...]"

RecNo Record number
DelFlag Switch (Y/N)
With set switch ("Y") FATS checks the presence of all transferred primary keys before any are deleted.
By this option the erasing process needs somewhat more time
FileNo File number
KeyString# Key value
[ ] Optional

Purpose:

Deletes the primary keys from the index file.

Description:

This command removes all primary keys that you have specified with the

Create Indexfile (C) command WITHOUT releasing the associated record number.

Parameters returned:

ERRORCODE:	Errorcode or 0 (no error)
RECNO:	Undefined
FATSKEY:	Undefined

Example:

CMND$ = "DK\"+STR$(RECNO)+"Y\1\"+KEYSTR$+"\"+KEYSTR2$

See also:

"2" Delete Single Key; page 4-8

"IK" Insert Keys; page 4-40

"1" Insert Single Key; page 4-6

RecNo	Record number
DelFlag	Switch (Y/N) With set switch ("Y") FATS checks the presence of all transferred primary keys before any are deleted. By this option the erasing process needs somewhat more time
FileNo	File number
KeyString#	Key value
[ ]	Optional