--- trunk/index_DBI.pm	2003/03/15 19:37:07	37
+++ trunk/index_DBI.pm	2003/06/01 13:46:42	50
@@ -10,14 +10,19 @@
 use DBI;
 
 my %Table;	# index tables which where visited in this run
+my %sth_cache;	# cache prepared statements
 
 sub new {
 	my $class = shift;
 	my $self = {};
 	bless($self, $class);
 
-	# FIX: config params
-	$self->{dbh} = DBI->connect("DBI:Pg:dbname=webpac","dpavlin","") || die $DBI::errstr;
+	my $dbd = shift || die "need dbi_dbd= in [global] section of configuration file";
+	my $dsn = shift || die "need dbi_dsn= in [global] section of configuration file";
+	my $user = shift || die "need dbi_user= in [global] section of configuration file";
+	my $passwd = shift || die "need dbi_passwd= in [global] section of configuration file";
+
+	$self->{dbh} = DBI->connect("DBI:$dbd:$dsn",$user,$passwd) || die $DBI::errstr;
 	# begin transaction
 	$self->{dbh}->begin_work || die $self->{dbh}->errstr();
 
@@ -73,22 +78,25 @@
 
 	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();
 	}
 }
 
@@ -177,6 +185,9 @@
 # FIX
 print STDERR "creating ord for $table...\n";
 			create_ord($table);
+			undef $sth_cache{$table."select"};
+			undef $sth_cache{$table."insert"};
+			undef $sth_cache{$table."update"};
 		}
 
 		$self->{dbh}->disconnect;