function DB_DELETE

Synopsis

Return a value from the Asterisk database and delete it

Syntax

 DB_DELETE(<family>/<key>)

Description

This function will retrieve a value from the Asterisk database and then remove that key from the database. DB_RESULT will be set to the key's value if it exists.

Examples

Example 1

 exten => 1234,1,NoOp(${DB_DELETE(obst/apfel)})

Example 2

So here's what you do to delete a database entry in 1.4.0:

 exten => s,n,Set(oldval=${DB_DELETE(AGENT/${MACRO_EXTEN:1})})
 ; saves the old value of that key (in your case the callerid)
 ; into ${oldval} and deletes it from the DB.  You can look at
 ; the value for the key you just deleted.
 exten => s,n,NoOp(oldval : ${oldval})

See also

• Asterisk cmd DBDel
• Asterisk func DB
• function DB_EXIST