64 lines
2.1 KiB
Perl
Executable File
64 lines
2.1 KiB
Perl
Executable File
#!/usr/bin/perl
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$|=1;
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use DBI;
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use Switch;
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use FindBin qw($Bin);
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use POSIX qw/strftime/;
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use Time::Local;
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our $messaggi = 0;
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while( $_ = shift @ARGV ) {
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$messaggi = 1 if /^\-v$/;
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}
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open CONFFILE, "< $Bin/../php/config.php" or die ("Manca file di configurazione\n");
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while (<CONFFILE>) {
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if(/^\$db_data_server = "(\S+)"/ ) {
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$db_host = $1;
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}
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if(/^\$db_data_name = "(\S+)"/ ) {
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$db_name = $1;
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}
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if(/^\$db_data_user = "(\S+)"/ ) {
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$db_user = $1;
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}
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if(/^\$db_data_pwd = "(\S+)"/ ) {
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$db_pass = $1;
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}
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}
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close CONFFILE;
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printf "Inizio attivita' %s\n",strftime('%d-%m-%Y %H:%M:%S',localtime) if ($messaggi);
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my $dbmysql = DBI->connect("DBI:mysql:;host=$db_host", "$db_user", "$db_pass") or die ($DBI::errstr);
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$sts = $dbmysql->prepare("use $db_name");
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$sts->execute ();
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$part = "ALTER TABLE dati_traffico PARTITION BY RANGE ( dataunix ) (\n";
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#$query = "SELECT DATE_FORMAT(data, \"%Y%m%d\") AS giorno, DATE_FORMAT(data, \"%Y-%m-%d\") AS giorno2 FROM dati_traffico GROUP BY giorno ORDER BY giorno";
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$query = "SELECT DATE_FORMAT(data, \"%Y%m%d\") AS giorno, DATE_FORMAT(data, \"%Y\") AS a, DATE_FORMAT(data, \"%m\") AS m, DATE_FORMAT(data, \"%d\") AS g FROM dati_traffico GROUP BY giorno ORDER BY giorno";
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$sts = $dbmysql->prepare($query);
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$sts->execute ();
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while (my $dato = $sts->fetchrow_hashref) {
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my $giorno = $$dato{'giorno'};
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my $a = $$dato{'a'};
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my $m = $$dato{'m'};
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my $g = $$dato{'g'};
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# my $giorno2 = $$dato{'giorno2'};
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# print "$giorno\n";
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my $timest = timelocal (59, 59, 23, $g, $m-1, $a);
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# $part .= "PARTITION p$giorno VALUES LESS THAN ( UNIX_TIMESTAMP('$giorno2 23:59:59') ),\n";
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$part .= "PARTITION p$giorno VALUES LESS THAN ( $timest ),\n";
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}
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$part .= "PARTITION p99999999 VALUES LESS THAN (MAXVALUE)\n";
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$part .= ");\n";
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print $part;
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printf "Inizio partizionamento %s\n",strftime('%d-%m-%Y %H:%M:%S',localtime) if ($messaggi);
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$sts = $dbmysql->prepare($part);
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$sts->execute ();
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printf "Termine attivita' %s\n",strftime('%d-%m-%Y %H:%M:%S',localtime) if ($messaggi);
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