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Merge bk-internal.mysql.com:/home/bk/mysql-5.0-maint

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into  zippy.(none):/home/cmiller/work/mysql/m50-maint--07C2P
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cmiller@zippy.(none) 2006-07-13 11:12:41 -04:00
commit 87dd9b978c
1 changed files with 13 additions and 11 deletions
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24
scripts/mysql_explain_log.sh
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@ -1,5 +1,6 @@
#!@PERL@ -w #!@PERL@
use strict; use strict;
use warnings;
use DBI; use DBI;
use Getopt::Long; use Getopt::Long;
@ -58,7 +59,7 @@ else {
} }
else { else {
$Param->{Start} = time; $Param->{Start} = time;
while(<STDIN>) { while(<>) {
$Param->{LineCount} ++ ; $Param->{LineCount} ++ ;
if ($Param->{ViewDate} ) { if ($Param->{ViewDate} ) {
@ -317,6 +318,8 @@ Usage: $0 [OPTIONS] < LOGFILE
-p=PASSWORD -p=PASSWORD
--socket=SOCKET mysqld socket file to connect --socket=SOCKET mysqld socket file to connect
-s=SOCKET -s=SOCKET
--printerror=1 enable error output
-e 1
Read logfile from STDIN an try to EXPLAIN all SELECT statements. All UPDATE statements are rewritten to an EXPLAIN SELECT statement. The results of the EXPLAIN statement are collected and counted. All results with type=ALL are collected in an separete list. Results are printed to STDOUT. Read logfile from STDIN an try to EXPLAIN all SELECT statements. All UPDATE statements are rewritten to an EXPLAIN SELECT statement. The results of the EXPLAIN statement are collected and counted. All results with type=ALL are collected in an separete list. Results are printed to STDOUT.
@ -331,7 +334,7 @@ __END__
=head1 NAME =head1 NAME
explain_log.pl mysql_explain_log
Feed a mysqld general logfile (created with mysqld --log) back into mysql Feed a mysqld general logfile (created with mysqld --log) back into mysql
and collect statistics about index usage with EXPLAIN. and collect statistics about index usage with EXPLAIN.
@ -348,7 +351,7 @@ Then add indices to avoid table scans and remove those which aren't used.
=head1 USAGE =head1 USAGE
explain_log.pl [--date=YYMMDD] --host=dbhost] [--user=dbuser] [--password=dbpw] [--socket=/path/to/socket] < logfile mysql_explain_log [--date=YYMMDD] --host=dbhost] [--user=dbuser] [--password=dbpw] [--socket=/path/to/socket] < logfile
--date=YYMMDD select only entrys of date --date=YYMMDD select only entrys of date
@ -370,21 +373,20 @@ explain_log.pl [--date=YYMMDD] --host=dbhost] [--user=dbuser] [--password=dbpw]
-s=SOCKET -s=SOCKET
--printerror=1 enable error output
-e 1
=head1 EXAMPLE =head1 EXAMPLE
explain_log.pl --host=localhost --user=foo --password=bar < /var/lib/mysql/mobile.log mysql_explain_log --host=localhost --user=foo --password=bar < /var/lib/mysql/mobile.log
=head1 AUTHORS =head1 AUTHORS
Stefan Nitz Stefan Nitz
Jan Willamowius <jan@mobile.de>, http://www.mobile.de Jan Willamowius <jan@willamowius.de>, http://www.willamowius.de
Dennis Haney <davh@davh.dk> (Added socket support) Dennis Haney <davh@davh.dk> (Added socket support)
=head1 RECRUITING
If you are looking for a MySQL or Perl job, take a look at http://www.mobile.de
and send me an email with your resume (you must be speaking German!).
=head1 SEE ALSO =head1 SEE ALSO
mysql documentation mysql documentation