--- trunk/index_DBI_cache.pm 2003/07/13 19:30:28 94 +++ trunk/index_DBI_cache.pm 2003/10/30 01:02:22 142 @@ -107,19 +107,30 @@ } } -sub check { +sub count { my $self = shift; my $field = shift; + my $where = shift; - my $sql = "select count(*) from $field"; + my $sql = "select count(*) from $field where upper(item) like upper(?)||'%'"; my $sth = $self->{dbh}->prepare($sql) || die $self->{dbh}->errstr(); - $sth->execute() || die "sql: $sql; ".$self->{dbh}->errstr(); + $sth->execute($where) || die "sql: $sql; ".$self->{dbh}->errstr(); my ($total) = $sth->fetchrow_array(); - return $total; + # no results, count all + if (! $total) { + my $sql = "select count(*) from $field"; + + my $sth = $self->{dbh}->prepare($sql) || die $self->{dbh}->errstr(); + $sth->execute() || die "sql: $sql; ".$self->{dbh}->errstr(); + $total = $sth->fetchrow_array(); + + } + + return $total || 1; } @@ -127,7 +138,6 @@ my $self = shift; my $field = shift; - my $what = shift || 'item'; # 'item,ident' my $where = shift; my $from_ord = shift || 0; @@ -135,15 +145,24 @@ my @sql_args; - my $sql = "select $what,ord from $field"; + my $sql = "select item,ord from $field"; if ($where) { - my $sql2 = " select ord from $field where upper($what) like upper(?)||'%'"; + my $sql2 = "select ord from $field where upper(item) like upper(?)||'%'"; my $sth = $self->{dbh}->prepare($sql2) || die "sql2: $sql2; ".$self->{dbh}->errstr(); $sth->execute($where) || die "sql2: $sql2; ".$self->{dbh}->errstr(); if (my $row = $sth->fetchrow_hashref) { $from_ord += $row->{ord} - 1; + } else { + # if no match is found when searching from beginning + # of word in index, try substring match anywhere + $sql2 = "select ord from $field where upper(item) like '%'||upper(?)||'%'"; + $sth = $self->{dbh}->prepare($sql2) || die "sql2: $sql2; ".$self->{dbh}->errstr(); + $sth->execute($where) || die "sql2: $sql2; ".$self->{dbh}->errstr(); + if (my $row = $sth->fetchrow_hashref) { + $from_ord += $row->{ord} - 1; + } } } $sql .= " order by ord limit $rows offset $from_ord"; @@ -178,7 +197,7 @@ my $ord = 0; foreach my $key (@keys) { - $sth->execute($ord++, + $sth->execute(++$ord, $c_table->{$table}->{$key}, $c_count->{$table}->{$key} );