[Bast-commits] r4076 - in DBIx-Class/0.08/branches/cdbicompat_integration: . lib/DBIx/Class/CDBICompat t/cdbi-t

schwern at dev.catalyst.perl.org schwern at dev.catalyst.perl.org
Thu Feb 14 00:10:53 GMT 2008


Author: schwern
Date: 2008-02-14 00:10:53 +0000 (Thu, 14 Feb 2008)
New Revision: 4076

Added:
   DBIx-Class/0.08/branches/cdbicompat_integration/t/cdbi-t/object_cache.t
Modified:
   DBIx-Class/0.08/branches/cdbicompat_integration/
   DBIx-Class/0.08/branches/cdbicompat_integration/lib/DBIx/Class/CDBICompat/LiveObjectIndex.pm
Log:
 r54522 at windhund:  schwern | 2008-02-13 16:10:06 -0800
 Emulate $CDBI::Weaken_Not_Available and CDBI::Plugin::NoCache



Property changes on: DBIx-Class/0.08/branches/cdbicompat_integration
___________________________________________________________________
Name: svk:merge
   - 168d5346-440b-0410-b799-f706be625ff1:/DBIx-Class-current:2207
462d4d0c-b505-0410-bf8e-ce8f877b3390:/local/bast/DBIx-Class:3159
9c88509d-e914-0410-b01c-b9530614cbfe:/local/DBIx-Class:32260
9c88509d-e914-0410-b01c-b9530614cbfe:/local/DBIx-Class-CDBICompat:54520
9c88509d-e914-0410-b01c-b9530614cbfe:/vendor/DBIx-Class:31122
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/DBIx-Class/0.08/branches/on_disconnect_do:3694
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/DBIx-Class/0.08/trunk:3943
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class-C3:318
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class-current:2222
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class-joins:173
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class-resultset:570
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class/datetime:1716
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class/find_compat:1855
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class/find_unique_query_fixes:2142
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class/inflate:1988
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class/many_to_many:2025
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class/re_refactor_bugfix:1944
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class/reorganize_tests:1827
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class/resultset-new-refactor:1766
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class/resultset_2_electric_boogaloo:2175
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class/resultset_cleanup:2102
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class/sqlt_tests_refactor:2043
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/trunk/DBIx-Class:3606
fe160bb6-dc1c-0410-9f2b-d64a711b54a5:/local/DBIC-trunk-0.08:10510
   + 168d5346-440b-0410-b799-f706be625ff1:/DBIx-Class-current:2207
462d4d0c-b505-0410-bf8e-ce8f877b3390:/local/bast/DBIx-Class:3159
9c88509d-e914-0410-b01c-b9530614cbfe:/local/DBIx-Class:32260
9c88509d-e914-0410-b01c-b9530614cbfe:/local/DBIx-Class-CDBICompat:54522
9c88509d-e914-0410-b01c-b9530614cbfe:/vendor/DBIx-Class:31122
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/DBIx-Class/0.08/branches/on_disconnect_do:3694
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/DBIx-Class/0.08/trunk:3943
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class-C3:318
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class-current:2222
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class-joins:173
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class-resultset:570
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class/datetime:1716
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class/find_compat:1855
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class/find_unique_query_fixes:2142
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class/inflate:1988
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class/many_to_many:2025
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class/re_refactor_bugfix:1944
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class/reorganize_tests:1827
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class/resultset-new-refactor:1766
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class/resultset_2_electric_boogaloo:2175
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class/resultset_cleanup:2102
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/branches/DBIx-Class/sqlt_tests_refactor:2043
bd8105ee-0ff8-0310-8827-fb3f25b6796d:/trunk/DBIx-Class:3606
fe160bb6-dc1c-0410-9f2b-d64a711b54a5:/local/DBIC-trunk-0.08:10510

Modified: DBIx-Class/0.08/branches/cdbicompat_integration/lib/DBIx/Class/CDBICompat/LiveObjectIndex.pm
===================================================================
--- DBIx-Class/0.08/branches/cdbicompat_integration/lib/DBIx/Class/CDBICompat/LiveObjectIndex.pm	2008-02-13 13:26:10 UTC (rev 4075)
+++ DBIx-Class/0.08/branches/cdbicompat_integration/lib/DBIx/Class/CDBICompat/LiveObjectIndex.pm	2008-02-14 00:10:53 UTC (rev 4076)
@@ -12,6 +12,21 @@
 __PACKAGE__->mk_classdata('live_object_index' => { });
 __PACKAGE__->mk_classdata('live_object_init_count' => { });
 
+# Caching is on by default, but a classic CDBI hack to turn it off is to
+# set this variable false.
+$Class::DBI::Weaken_Is_Available = 1
+    unless defined $Class::DBI::Weaken_Is_Available;
+__PACKAGE__->mk_classdata('__nocache' => 0);
+
+sub nocache {
+    my $class = shift;
+    
+    return $class->__nocache(@_) if @_;
+    
+    return 1 if $Class::DBI::Weaken_Is_Available == 0;
+    return $class->__nocache;
+}
+
 # Ripped from Class::DBI 0.999, all credit due to Tony Bowden for this code,
 # all blame due to me for whatever bugs I introduced porting it.
 
@@ -30,11 +45,15 @@
   delete @$live{ keys %$live };
 }
 
+
 # And now the fragments to tie it in to DBIx::Class::Table
 
 sub insert {
   my ($self, @rest) = @_;
   $self->next::method(@rest);
+  
+  return $self if $self->nocache;
+
     # Because the insert will die() if it can't insert into the db (or should)
     # we can be sure the object *was* inserted if we got this far. In which
     # case, given primary keys are unique and ID only returns a
@@ -55,6 +74,9 @@
 sub inflate_result {
   my ($class, @rest) = @_;
   my $new = $class->next::method(@rest);
+  
+  return $new if $new->nocache;
+  
   if (my $key = $new->ID) {
     #warn "Key $key";
     my $live = $class->live_object_index;

Added: DBIx-Class/0.08/branches/cdbicompat_integration/t/cdbi-t/object_cache.t
===================================================================
--- DBIx-Class/0.08/branches/cdbicompat_integration/t/cdbi-t/object_cache.t	                        (rev 0)
+++ DBIx-Class/0.08/branches/cdbicompat_integration/t/cdbi-t/object_cache.t	2008-02-14 00:10:53 UTC (rev 4076)
@@ -0,0 +1,76 @@
+use strict;
+use Test::More;
+$| = 1;
+
+BEGIN {
+  eval "use DBIx::Class::CDBICompat;";
+  if ($@) {
+    plan (skip_all => 'Class::Trigger and DBIx::ContextualFetch required');
+    next;
+  }
+  eval "use DBD::SQLite";
+  plan $@ ? (skip_all => 'needs DBD::SQLite for testing') : (tests => 5);
+}
+
+INIT {
+    use lib 't/testlib';
+    use Film;
+}
+
+ok +Film->create({
+    Title       => 'This Is Spinal Tap',
+    Director    => 'Rob Reiner',
+    Rating      => 'R',
+});
+
+{
+    my $film1 = Film->retrieve( "This Is Spinal Tap" );
+    my $film2 = Film->retrieve( "This Is Spinal Tap" );
+
+    $film1->Director("Marty DiBergi");
+    is $film2->Director, "Marty DiBergi", 'retrieve returns the same object';
+
+    $film1->discard_changes;
+}
+
+{
+    Film->nocache(1);
+    
+    my $film1 = Film->retrieve( "This Is Spinal Tap" );
+    my $film2 = Film->retrieve( "This Is Spinal Tap" );
+
+    $film1->Director("Marty DiBergi");
+    is $film2->Director, "Rob Reiner",
+       'caching turned off';
+    
+    $film1->discard_changes;
+}
+
+{
+    Film->nocache(0);
+
+    my $film1 = Film->retrieve( "This Is Spinal Tap" );
+    my $film2 = Film->retrieve( "This Is Spinal Tap" );
+
+    $film1->Director("Marty DiBergi");
+    is $film2->Director, "Marty DiBergi",
+       'caching back on';
+
+    $film1->discard_changes;
+}
+
+
+{
+    Film->nocache(1);
+
+    local $Class::DBI::Weaken_Is_Available = 0;
+
+    my $film1 = Film->retrieve( "This Is Spinal Tap" );
+    my $film2 = Film->retrieve( "This Is Spinal Tap" );
+
+    $film1->Director("Marty DiBergi");
+    is $film2->Director, "Rob Reiner",
+       'CDBI::Weaken_Is_Available turns off all caching';
+
+    $film1->discard_changes;
+}




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