Annotation of db/prgsrc/findequal.pl, revision 1.2
1.2 ! roma7 1: #!/usr/bin/perl -w
1.1 roma7 2:
3: =head1 NAME
4:
5: findequal.pl - a script for filling the equalto tablee.
6:
7: =head1 SYNOPSIS
8:
9: findequal.pl
10:
11:
12: =head1 DESCRIPTION
13:
14: This script will create a table B<equalto>
15: in the B<chgk> database and fill it with pairs of
16: equal questions. If the tables exist, it will ask user whether
17: new table should be created.
18:
19: =head1 AUTHOR
20:
21: Roman Semizarov
22:
23: =cut
24:
25:
26: use DBI;
27: use locale;
28: use dbchgk;
29: use POSIX qw (locale_h);
30:
31: do "common.pl";
32:
33: my ($thislocale);
34: if ($^O =~ /win/i) {
35: $thislocale = "Russian_Russia.20866";
36: } else {
37: $thislocale = "ru_RU.KOI8-R";
38: }
39: POSIX::setlocale( &POSIX::LC_ALL, $thislocale );
40: if ((uc 'Á') ne 'á') {die "!Koi8-r locale not installed!\n"};
41:
42:
43:
44: if ((uc 'Á') ne 'á') {die "!Koi8-r locale not installed!\n"};
45:
46:
47:
48: if (checktable('equalto')) {die "The table equalto exists. You must delete it first!\n"};
49:
50: if ((uc 'Á') ne 'á') {die "!Koi8-r locale not installed!\n"};
51:
52:
53:
54: print "Creating equalto table...\n";
55:
56: mydo("CREATE TABLE equalto (
57: First INT UNSIGNED NOT NULL PRIMARY KEY, KEY FirstKey (First),
58: Second INT UNSIGNED NOT NULL, KEY SecondKey (Second)
59: )")
60:
61: or die "Can't create equalto table: $!\n";
62:
63:
64: if ((uc 'Á') ne 'á') {die "!Koi8-r locale not installed!\n"};
65: print "before getbase";
66:
67: getbase(QuestionId,Question,Authors,Comments);
68:
69:
70: print "after getbase";
71:
72: print "Loading questions...\n";
73:
74: if ((uc 'Á') ne 'á') {die "!Koi8-r locale not installed!\n"};
75:
76: while ((($id, $a,$author,$comment) = getrow), $id)
77: {
78: if (!($id%1000)) {print "$id questions loaded...\n"}
79:
80: $a=~s/³£pPHXxAaBEe3KMoOT/åÅÒòîèÈáÁ÷åÅúëíÏïô/;
81: $a=uc $a;
82:
83: $a=~s/[^êãõëåîçûýúèÿüöäìïòðá÷ùæñþóíéôøâàÊÃÕËÅÎÇÛÝÚÈßÆÙ×ÁÐÒÏÌÄÖÜÑÞÓÍÉÔØÂÀ]//g;
84: $ar[$id]=$a;
85: $dop[$id]= ($author ? 2 : 0) + ($comment ? 1 : 0);
86: $last=$id;
87: }
88:
89:
90:
91: print "Checking...\n";
92:
93: $cur=0;
94: $ar[0]="\0";
95: foreach $q (sort {($ar[$a] cmp $ar[$b]) || ($dop[$b]<=>$dop[$a])} 1..$last)
96: {
97: if ($ar[$q] eq $ar[$cur]) {$equal{$q}=$cur} else {$cur=$q}
98: }
99:
100: print scalar keys %equal, " pairs found\n";
101:
102: print("Updating the DB...\n");
103:
104: foreach $a (keys %equal)
105: {
106: mydo("INSERT INTO equalto (First,Second) VALUES ($a,$equal{$a})");
107: }
108:
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