mirror of
https://github.com/MariaDB/server.git
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149 lines
2.6 KiB
Bash
149 lines
2.6 KiB
Bash
#!@PERL@
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$version="1.02";
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use Getopt::Long;
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$opt_help=$opt_Information=$opt_skip_use_db=0;
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$opt_regexp=$opt_dbregexp=".*";
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$opt_start_row=1; $opt_rows=9999999999;
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GetOptions("Information","help","regexp=s","start_row=i","rows=i",
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"dbregexp=s", "skip-use-db")
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|| usage();
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usage() if ($opt_help || $opt_Information);
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$query=$search=$database=$set=""; $eoq=0;
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while (<>)
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{
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next if (length($query) == 0 && /^\#/); # Skip comments
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$query.=search($_);
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if ($eoq)
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{
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if ($query =~ /^use /i || $query =~ /^SET / ||
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($query =~ /$opt_regexp/o && $database =~ /$opt_dbregexp/o))
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{
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if ($opt_skip_use_db && $query =~ /^use /i)
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{
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$query="";
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next;
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}
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if ($opt_start_row <= 1)
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{
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if ($database)
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{
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print $database, $set;
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$database=$set="";
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}
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print $query;
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last if (--$opt_rows == 0);
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}
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else
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{
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$opt_start_row--;
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if ($query =~ /^use /)
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{
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$database=$query;
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$set="";
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}
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elsif ($query =~ /^SET/)
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{
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$set=$query;
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}
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else
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{
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$set="";
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}
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}
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}
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$query=""; $search=""; $eoq=0;
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}
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}
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exit 0;
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sub search
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{
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my($row)=shift;
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my($i);
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for ($i=0 ; $i < length($row) ; $i++)
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{
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if (length($search))
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{
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if (length($search) > 1)
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{ # Comment
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next if (substr($row,$i,length($search)) ne $search);
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$i+=length($search)-1;
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$search="";
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}
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elsif (substr($row,$i,1) eq '\\') # Escaped char in string
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{
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$i++;
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}
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elsif (substr($row,$i,1) eq $search)
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{
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if (substr($row,$i+1,1) eq $search) # Double " or '
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{
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$i++;
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}
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else
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{
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$search="";
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}
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}
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next;
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}
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if (substr($row,$i,2) eq '/*') # Comment
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{
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$search="*/";
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$i++;
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}
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elsif (substr($row,$i,1) eq "'" || substr($row,$i,1) eq '"')
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{
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$search=substr($row,$i,1);
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}
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}
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$eoq=1 if (!length($search) && $row =~ /;\s*$/);
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return $row;
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}
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sub usage
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{
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print <<EOF;
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$0 Ver $version
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TCX Datakonsult AB, by Monty.
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This software comes with NO WARRANTY: see the file PUBLIC for details.
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Prints all SQL queries that matches a regexp or contains a 'use
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database' or 'set ..' command to stdout. A SQL query may contain
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newlines. This is useful to find things in a MySQL update log.
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$0 takes the following options:
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--help or --Information
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Shows this help
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--regexp=#
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Print queries that matches this.
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--start_row=#
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Start output from this row (first row = 1)
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--skip-use-db
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Don\'t include \'use database\' commands in the output.
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--rows=#
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Quit after this many rows.
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Example:
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$0 --regexp "problem_table" < update.log
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$0 --regexp "problem_table" update-log.1 update-log.2
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EOF
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exit(0);
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}
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