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SQL Anywhere 10.0.1 » QAnywhere » QAnywhere SQL API Reference » Message properties, headers, and content » Message properties

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ml_qa_setdoubleproperty

Sets the specified message property from a SQL DOUBLE data type.

Parameters

Item

Description

Remarks

1

Message ID

VARCHAR(128). You can obtain the message ID from ml_qa_createmessage or ml_qa_getmessage.

2

Property name

VARCHAR(128)

3

Property value

DOUBLE

Remarks

You cannot alter this property after the message has been sent.

See also
Example

In the following example, a message is created, the double properties mydoubleproperty1 and mydoubleproperty2 are set, and the message is sent to the address clientid\queuename:

begin
    declare @msgid varchar(128);
    set @msgid = ml_qa_createmessage();
    call ml_qa_setdoubleproperty( @msgid, 'mydoubleproperty1', -12.34e-56 );
    call ml_qa_setdoubleproperty( @msgid, 'mydoubleproperty2', 12.34e56 );
    call ml_qa_putmessage( @msgid, 'clientid\queuename' );
    commit;
end