/[webpac]/trunk/index_DBI_cache.pm
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revision 95 by dpavlin, Sun Jul 13 21:54:22 2003 UTC revision 127 by dpavlin, Thu Sep 4 14:56:41 2003 UTC
# Line 138  sub fetch { Line 138  sub fetch {
138          my $sql = "select $what,ord from $field";          my $sql = "select $what,ord from $field";
139    
140          if ($where) {          if ($where) {
141                  my $sql2 = " select ord from $field where upper($what) like upper(?)||'%'";                  my $sql2 = "select ord from $field where upper($what) like upper(?)||'%'";
142                  my $sth = $self->{dbh}->prepare($sql2) || die "sql2: $sql2; ".$self->{dbh}->errstr();                  my $sth = $self->{dbh}->prepare($sql2) || die "sql2: $sql2; ".$self->{dbh}->errstr();
143    
144                  $sth->execute($where) || die "sql2: $sql2; ".$self->{dbh}->errstr();                  $sth->execute($where) || die "sql2: $sql2; ".$self->{dbh}->errstr();
145                  if (my $row = $sth->fetchrow_hashref) {                  if (my $row = $sth->fetchrow_hashref) {
146                          $from_ord += $row->{ord} - 1;                          $from_ord += $row->{ord} - 1;
147                    } else {
148                            # if no match is found when searching from beginning
149                            # of word in index, try substring match anywhere
150                            $sql2 = "select ord from $field where upper($what) like '%'||upper(?)||'%'";
151                            $sth = $self->{dbh}->prepare($sql2) || die "sql2: $sql2; ".$self->{dbh}->errstr();
152                            $sth->execute($where) || die "sql2: $sql2; ".$self->{dbh}->errstr();
153                            if (my $row = $sth->fetchrow_hashref) {
154                                    $from_ord += $row->{ord} - 1;
155                            }
156                  }                  }
157          }          }
158          $sql .= " order by ord limit $rows offset $from_ord";          $sql .= " order by ord limit $rows offset $from_ord";

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