Recovery from hard drive failure ... the hard way ...

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От The Hermit Hacker
Тема Recovery from hard drive failure ... the hard way ...
Дата
Msg-id Pine.BSF.4.21.0009271653031.4209-100000@thelab.hub.org
обсуждение исходный текст
Список pgsql-hackers
Well all, I just spent a bit of time trying to figure out how to recover a
database where the tables appear to be intact with postgres in 'single
user mode', and came up with a quick and dirty that might not be totally
complete, but might help someone else in a similar situation ...

----------------------
#!/usr/bin/perl

$table = $ARGV[0];

while(<STDIN>) { if(length($fields) > 0 && /\s+----/) {   print "INSERT INTO $table ( $fields ) VALUES ( $values );\n";
 $fields = "";   $values = ""; } if(/\s+\d: (\w+) = "(.+)"/) {   if(length($fields) > 0) { $fields .= ","; }   $fields
.=$1;   if(length($values) > 0) { $values .= ","; }   if(/typeid = 23/) {     $values .= $2;   } else {     $values .=
"'". $2 . "'";   } }
 
}
----------------------

To run it, use:

echo "SELECT * FROM <table>;" | \
~/bin/postgres -O -P -D/home/staff/scrappy/recovery/sales.org <database> | \
../convert.pl <table>

Marc G. Fournier                   ICQ#7615664               IRC Nick: Scrappy
Systems Administrator @ hub.org 
primary: scrappy@hub.org           secondary: scrappy@{freebsd|postgresql}.org 



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