home | O'Reilly's CD bookshelfs | FreeBSD | Linux | Cisco | Cisco Exam    

trace

 
DBI->trace
(
n
, 
filename
)

Traces the execution of DBI.

n

An integer indicating the level of trace/debugging information, as follows:

0

Disable the trace.

1

Trace the execution of the DBI.

2

Output detailed call trace information including parameters and return values.

filename

The file to append trace information to.











??????????????@Mail.ru