Rajesh Kumar Mallah wrote:
>
> Hi,
>
> I think its not going to a trivial task to take out only the LOG duration
> lines from a PostgreSQL logfile. We need to extract the duration and
> the actual statement. I think i will put a custom delimeters around the
> statements for the time being so that the log parser can parse it
> unambigiously. Is there any better method?
Seeing that I was involved in implementing this behavior, I felt I
should write a script to pull out this information to see how hard it
would be. Here is an awk script:
awk ' BEGIN {in_statement = "N"}
{
while (getline > 0)
{
if ($1 == "LOG:" && $2 == "duration:" && $5 ==
"statement:")
{
print $0;
in_statement = "Y";
}
else if (in_statement == "Y" && $0 ~ /^ /) # <-- tab
{
print $0;
}
else
in_statement = "N";
}
}' "$@"
I tested this with the log file you included and it seeme to work fine,
though the email had some line wraps I had to remove.
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