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fixed bug in factoid code suggestions.

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also documented logical error in database, won't fix it yet
This commit is contained in:
Ryan Voots 2010-02-25 21:37:43 -05:00
parent 8b8a24ee6c
commit 93bf662bf9
1 changed files with 14 additions and 1 deletions
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15
plugins/factoids.pm
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@ -7,6 +7,18 @@ use strict;
use Data::Dumper; use Data::Dumper;
#############################
# BIG WARNING ABOUT THE DATABASE IN HERE.
#############################
#
# Despite the name 'original_subject' and 'subject' are logically reversed, e.g. 'original_subject' contains the cleaned up and filtered subject rather than the other way around.
# This should be kept in mind when working on any and all of the code below
# --simcop2387 (previously also discovered by buu, but not documented or fixed).
#
# This might be fixed later but for now its easier to just "document" it. (boy doesn't this feel enterprisy!)
#
#############################
my $COPULA = join '|', qw/is are was isn't were being am/, "to be", "will be", "has been", "have been", "shall be", "can has", "wus liek", "iz liek", "used to be"; my $COPULA = join '|', qw/is are was isn't were being am/, "to be", "will be", "has been", "have been", "shall be", "can has", "wus liek", "iz liek", "used to be";
my $COPULA_RE = qr/\b(?:$COPULA)\b/i; my $COPULA_RE = qr/\b(?:$COPULA)\b/i;
@ -489,8 +501,9 @@ sub _soundex_matches {
my( $self, $soundex ) = @_; my( $self, $soundex ) = @_;
my $dbh = $self->dbh; my $dbh = $self->dbh;
#XXX HACK WARNING: not really a hack, but something to document, the inner query here seems to work fine on sqlite, but i suspect on other databases it might need an ORDER BY factoid_id clause to enforce that it picks the last entry in the database
my $rows = $dbh->selectall_arrayref( my $rows = $dbh->selectall_arrayref(
"SELECT factoid_id,subject,predicate FROM factoid WHERE soundex = ? GROUP BY subject LIMIT 10", "SELECT * FROM (SELECT factoid_id,subject,predicate FROM factoid GROUP BY original_subject) as subquery WHERE NOT (predicate = ' ') AND soundex = ? LIMIT 10",
undef, undef,
$soundex $soundex
); );