[Bast-commits] r8446 - in DBIx-Class/0.08/trunk: lib/DBIx/Class t/prefetch

ribasushi at dev.catalyst.perl.org ribasushi at dev.catalyst.perl.org
Wed Jan 27 10:56:16 GMT 2010


Author: ribasushi
Date: 2010-01-27 10:56:15 +0000 (Wed, 27 Jan 2010)
New Revision: 8446

Modified:
   DBIx-Class/0.08/trunk/lib/DBIx/Class/ResultSet.pm
   DBIx-Class/0.08/trunk/t/prefetch/multiple_hasmany.t
Log:
Clean up some stuff

Modified: DBIx-Class/0.08/trunk/lib/DBIx/Class/ResultSet.pm
===================================================================
--- DBIx-Class/0.08/trunk/lib/DBIx/Class/ResultSet.pm	2010-01-27 10:46:51 UTC (rev 8445)
+++ DBIx-Class/0.08/trunk/lib/DBIx/Class/ResultSet.pm	2010-01-27 10:56:15 UTC (rev 8446)
@@ -2888,7 +2888,7 @@
         my @jpath = map { keys %$_ } @{$j->[0]{-join_path}};
 
         my $p = $join_map;
-        $p = $p->{$_} ||= {} for @jpath[ ($start_depth/2) .. $#jpath]; #only even depths are actual jpath boundaries 
+        $p = $p->{$_} ||= {} for @jpath[ ($start_depth/2) .. $#jpath]; #only even depths are actual jpath boundaries
         push @{$p->{-join_aliases} }, $j->[0]{-alias};
       }
     }

Modified: DBIx-Class/0.08/trunk/t/prefetch/multiple_hasmany.t
===================================================================
--- DBIx-Class/0.08/trunk/t/prefetch/multiple_hasmany.t	2010-01-27 10:46:51 UTC (rev 8445)
+++ DBIx-Class/0.08/trunk/t/prefetch/multiple_hasmany.t	2010-01-27 10:56:15 UTC (rev 8446)
@@ -7,12 +7,9 @@
 use DBICTest;
 use IO::File;
 
-plan tests => 10;
-
 my $schema = DBICTest->init_schema();
 my $sdebug = $schema->storage->debug;
 
-
 # once the following TODO is complete, remove the 2 warning tests immediately
 # after the TODO block
 # (the TODO block itself contains tests ensuring that the warns are removed)
@@ -102,44 +99,4 @@
     is (@w, 1, 'warning on attempt prefetching several same level has_manys (M -> 1 -> M + M)');
 }
 
-__END__
-The solution is to rewrite ResultSet->_collapse_result() and
-ResultSource->resolve_prefetch() to focus on the final results from the collapse
-of the data. Right now, the code doesn't treat the columns from the various
-tables as grouped entities. While there is a concept of hierarchy (so that
-prefetching down relationships does work as expected), there is no idea of what
-the final product should look like and how the various columns in the row would
-play together. So, the actual prefetch datastructure from the search would be
-very useful in working through this problem. We already have access to the PKs
-and sundry for those. So, when collapsing the search result, we know we are
-looking for 1 cd object. We also know we're looking for tracks and tags records
--independently- of each other. So, we can grab the data for tracks and data for
-tags separately, uniqueing on the PK as appropriate. Then, when we're done with
-the given cd object's datastream, we know we're good. This should work for all
-the various scenarios.
-
-My reccommendation is the row's data is preprocessed first, breaking it up into
-the data for each of the component tables. (This could be done in the single
-table case, too, but probably isn't necessary.) So, starting with something
-like:
-  my $row = {
-    t1.col1 => 1,
-    t1.col2 => 2,
-    t2.col1 => 3,
-    t2.col2 => 4,
-    t3.col1 => 5,
-    t3.col2 => 6,
-  };
-it is massaged to look something like:
-  my $row_massaged = {
-    t1 => { col1 => 1, col2 => 2 },
-    t2 => { col1 => 3, col2 => 4 },
-    t3 => { col1 => 5, col2 => 6 },
-  };
-At this point, find the stuff that's different is easy enough to do and slotting
-things into the right spot is, likewise, pretty straightforward. Instead of
-storing things in a AoH, store them in a HoH keyed on the PKs of the the table,
-then convert to an AoH after all collapsing is done.
-
-This implies that the collapse attribute can probably disappear or, at the
-least, be turned into a boolean (which is how it's used in every other place).
+done_testing;




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