From: rkinyon <rkinyon@50811bd7-b8ce-0310-adc1-d9db26280581>
Date: Thu, 25 May 2006 18:21:56 +0000 (+0000)
Subject:  r13306@rob-kinyons-powerbook58:  rob | 2006-05-18 16:15:49 -0400
X-Git-Tag: 0-99_03~30
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=e5a9d386f8a0eeba8777a0ac98c78274baff3efb;p=dbsrgits%2FDBM-Deep.git

 r13306@rob-kinyons-powerbook58:  rob | 2006-05-18 16:15:49 -0400
 Converted FETCH
---

diff --git a/lib/DBM/Deep.pm b/lib/DBM/Deep.pm
index a1c3781..961da94 100644
--- a/lib/DBM/Deep.pm
+++ b/lib/DBM/Deep.pm
@@ -514,17 +514,7 @@ sub FETCH {
     ##
     $self->lock( LOCK_SH );
 
-    my $tag = $self->_engine->find_blist( $self->_base_offset, $md5 );#, { create => 1 } );
-    #XXX This needs to autovivify
-    if (!$tag) {
-        $self->unlock();
-        return;
-    }
-
-    ##
-    # Get value from bucket list
-    ##
-    my $result = $self->_engine->get_bucket_value( $tag, $md5, $orig_key );
+    my $result = $self->_engine->read_value( $self->_base_offset, $key, $orig_key );
 
     $self->unlock();
 
diff --git a/lib/DBM/Deep/Engine.pm b/lib/DBM/Deep/Engine.pm
index 13976e8..54ec75d 100644
--- a/lib/DBM/Deep/Engine.pm
+++ b/lib/DBM/Deep/Engine.pm
@@ -54,20 +54,22 @@ sub write_value {
 
 sub read_value {
     my $self = shift;
-    my ($offset, $key) = @_;
+    my ($offset, $key, $orig_key) = @_;
 
     my $dig_key = $self->apply_digest( $key );
-    my $tag = $self->find_blist( $offset, $dig_key );
-    return $self->get_bucket_value( $tag, $dig_key, $key );
+    my $tag = $self->find_blist( $offset, $dig_key ) or return;
+    return $self->get_bucket_value( $tag, $dig_key, $orig_key );
 }
 
 sub delete_key {
     my $self = shift;
-    my ($offset, $key) = @_;
+    my ($offset, $key, $orig_key) = @_;
 
     my $dig_key = $self->apply_digest( $key );
-    my $tag = $self->find_blist( $offset, $dig_key );
-    return $self->delete_bucket( $tag, $dig_key, $key );
+    my $tag = $self->find_blist( $offset, $dig_key ) or return;
+    my $value = $self->get_bucket_value( $tag, $dig_key, $orig_key );
+    $self->delete_bucket( $tag, $dig_key, $orig_key );
+    return $value;
 }
 
 sub key_exists {
@@ -75,7 +77,8 @@ sub key_exists {
     my ($offset, $key) = @_;
 
     my $dig_key = $self->apply_digest( $key );
-    my $tag = $self->find_blist( $offset, $dig_key );
+    # exists() returns the empty string, not undef
+    my $tag = $self->find_blist( $offset, $dig_key ) or return '';
     return $self->bucket_exists( $tag, $dig_key, $key );
 }