--- trunk/index_DBI.pm	2003/03/22 22:51:48	44
+++ trunk/index_DBI.pm	2003/03/22 23:40:14	45
@@ -10,6 +10,7 @@
 use DBI;
 
 my %Table;	# index tables which where visited in this run
+my %sth_cache;	# cache prepared statements
 
 sub new {
 	my $class = shift;
@@ -73,22 +74,25 @@
 
 	if (! $Table{$field}) {
 		$self->delete_and_create($field);
+
+		my $sql = "select item from $field where upper(item)=upper(?)";
+		$sth_cache{$field."select"} = $self->{dbh}->prepare($sql) || die $self->{dbh}->errstr();
+
+		$sql = "insert into $field (item,ident,count) values (?,?,?)";
+		$sth_cache{$field."insert"} = $self->{dbh}->prepare($sql) || die $self->{dbh}->errstr();
+
+		$sql = "update $field set count = count + 1 where item = ? and ident = ?";
+		$sth_cache{$field."update"} = $self->{dbh}->prepare($sql) || die $self->{dbh}->errstr();
 	}
 	$Table{$field}++;
 
-	my $sql = "select item from $field where upper(item)=upper(?)";
-	my $sth = $self->{dbh}->prepare($sql) || die $self->{dbh}->errstr();
-	$sth->execute($index_data) || die "sql: $sql; ".$self->{dbh}->errstr();
-	if (! $sth->fetchrow_hashref) {
-		my $sql = "insert into $field (item,ident,count) values (?,?,?)";
-		my $sth = $self->{dbh}->prepare($sql) || die $self->{dbh}->errstr();
+	$sth_cache{$field."select"}->execute($index_data) || die "cache: $field select; ".$self->{dbh}->errstr();
+	if (! $sth_cache{$field."select"}->fetchrow_hashref) {
 		$index_data = substr($index_data,0,255);
-		$sth->execute($index_data,$ident,1) || die "sql: $sql; ".$self->{dbh}->errstr();
+		$sth_cache{$field."insert"}->execute($index_data,$ident,1) || die "cache: $field insert; ".$self->{dbh}->errstr();
 #print stderr "in index: $index_data\n";
 	} else {
-		my $sql = "update $field set count = count + 1 where item = ? and ident = ?";
-		my $sth = $self->{dbh}->prepare($sql) || die $self->{dbh}->errstr();
-		$sth->execute($index_data,$ident) || die "sql: $sql; ".$self->{dbh}->errstr();
+		$sth_cache{$field."update"}->execute($index_data,$ident) || die "cache: $field update; ".$self->{dbh}->errstr();
 	}
 }