Koha-clms/installer/data/mysql/backfill_statistics.pl

112 lines
3.8 KiB
Perl
Executable File

#!/usr/bin/perl
# Part of the Koha Library Software www.koha-community.org
# Licensed under the GPL.
use Modern::Perl;
# CPAN modules
# Koha modules
use C4::Context;
my $dbh = C4::Context->dbh;
sub get_counts() {
my $query = q(
SELECT
(SELECT count(*) FROM statistics WHERE branch="NO_LIBRARY" ) AS NO_LIBRARY,
(SELECT count(*) FROM statistics WHERE branch IS NULL) AS NULL_BRANCH,
(SELECT count(*) FROM statistics WHERE itemtype IS NULL AND itemnumber IS NOT NULL) AS NULL_ITEMTYPE,
(SELECT count(*) FROM statistics WHERE borrowernumber IS NULL) AS NULL_BORROWERNUMBER,
(SELECT count(*) FROM statistics ) AS Total
);
my $sth = $dbh->prepare($query);
$sth->execute;
return $sth->fetchrow_hashref;
}
sub itemnumber_array() {
my $query = q(
SELECT DISTINCT itemnumber
FROM statistics
WHERE itemtype IS NULL
AND itemnumber IS NOT NULL
);
my $sth = $dbh->prepare($query);
$sth->execute;
my @itemnumbers = map { shift @$_ } @{ $sth->fetchall_arrayref };
return @itemnumbers;
}
sub null_borrower_lines() {
my $query = "SELECT * FROM statistics WHERE borrowernumber IS NULL";
my $sth = $dbh->prepare($query);
$sth->execute;
print "Number of lines with NULL_BORROWERNUMBER: ", scalar( $sth->rows ), "\n";
return $sth->fetchall_arrayref( {} );
}
sub show_counts() {
print "\nThe following counts represent the number of (potential) errors in your statistics table:\n";
my $counts = get_counts;
foreach ( sort keys %$counts ) {
$_ eq 'Total' and next;
$counts->{Error_Total} += $counts->{$_};
print sprintf( "%30s : %3d \n", $_, $counts->{$_} );
}
print sprintf(
"%30s : %3d (potential) errors in %d lines\n", 'Error_Total', $counts->{Error_Total},
$counts->{'Total'}
);
}
##### MAIN #####
print "This operation may take a while.\n";
( scalar @ARGV ) or show_counts;
print "\nAttempting to populate missing data.\n";
my (@itemnumbers) = ( scalar @ARGV ) ? @ARGV : &itemnumber_array;
print "Number of distinct itemnumbers paired with NULL_ITEMTYPE: ", scalar(@itemnumbers), "\n";
my $query = "UPDATE statistics SET itemtype = ? WHERE itemnumber = ?";
my $update = $dbh->prepare($query);
foreach (@itemnumbers) {
my $item = Koha::Items->find($_);
unless ($item) {
print STDERR "\tNo item found for itemnumber $_\n";
next;
}
my $itemtype = $item->effective_itemtype;
$update->execute( $itemtype, $_ ) or warn "Error in UPDATE execution";
printf "\titemnumber %5d : %7s (%s rows)\n", $_, $itemtype, $update->rows;
}
my $old_issues = $dbh->prepare("SELECT * FROM old_issues WHERE timestamp = ? AND itemnumber = ?");
my $issues = $dbh->prepare("SELECT * FROM issues WHERE timestamp = ? AND itemnumber = ?");
$update = $dbh->prepare("UPDATE statistics SET borrowernumber = ? WHERE datetime = ? AND itemnumber = ?");
my $nullborrs = null_borrower_lines;
foreach (@$nullborrs) {
$old_issues->execute( $_->{datetime}, $_->{itemnumber} );
my $issue;
if ( $old_issues->rows != 1 ) {
print STDERR "Warning! Unexpected number of matches from old_issues: ", $old_issues->rows;
$issues->execute( $_->{datetime}, $_->{itemnumber} );
if ( $issues->rows != 1 ) {
print STDERR ", from issues: ", $issues->rows, "\tskipping this record\n";
next;
}
print STDERR "\n";
$issue = $issues->fetchrow_hashref;
} else {
$issue = $old_issues->fetchrow_hashref;
}
printf "\titemnumber: %5d at %20s -- borrowernumber: %5d\n", $_->{itemnumber}, $_->{datetime},
$issue->{borrowernumber};
$update->execute( $issue->{borrowernumber}, $_->{datetime}, $_->{itemnumber} );
}
print "\nOperations complete.\n";
( scalar @ARGV ) or show_counts;