X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=t%2Fresultset%2Fupdate_delete.t;h=c3e8c2f58477a695986c4d51c5bd0d139adc8479;hb=31160673f390e178ee347e7ebee1f56b3f54ba7a;hp=542ea073ce54c2d1377d445a1b749f0cdb1e6707;hpb=fef47a8e19fdafd3f039a6c2494d2e8051b3faef;p=dbsrgits%2FDBIx-Class.git

diff --git a/t/resultset/update_delete.t b/t/resultset/update_delete.t
index 542ea07..c3e8c2f 100644
--- a/t/resultset/update_delete.t
+++ b/t/resultset/update_delete.t
@@ -4,16 +4,24 @@ use warnings;
 use lib qw(t/lib);
 use Test::More;
 use Test::Exception;
+
+use DBICTest::Schema::CD;
+BEGIN {
+  # the default scalarref table name will not work well for this test
+  DBICTest::Schema::CD->table('cd');
+}
+
 use DBICTest;
 
-my $schema = DBICTest->init_schema();
+my $schema = DBICTest->init_schema;
 
 my $tkfks = $schema->resultset('FourKeys_to_TwoKeys');
 
-my ($fa, $fb) = $tkfks->related_resultset ('fourkeys')->populate ([
+my ($fa, $fb, $fc) = $tkfks->related_resultset ('fourkeys')->populate ([
   [qw/foo bar hello goodbye sensors read_count/],
   [qw/1   1   1     1       a       10         /],
   [qw/2   2   2     2       b       20         /],
+  [qw/1   1   1     2       c       30         /],
 ]);
 
 # This is already provided by DBICTest
@@ -41,19 +49,147 @@ is ($tkfks->count, $tkfk_cnt += 4, 'FourKeys_to_TwoKeys populated succesfully');
 #
 
 # create a resultset matching $fa and $fb only
-my $fks = $schema->resultset ('FourKeys')
-                  ->search ({ map { $_ => [1, 2] } qw/foo bar hello goodbye/}, { join => 'fourkeys_to_twokeys' });
+my $fks = $schema->resultset ('FourKeys')->search (
+  {
+    sensors => { '!=', 'c' },
+    ( map { $_ => [1, 2] } qw/foo bar hello goodbye/ ),
+  }, { join => { fourkeys_to_twokeys => 'twokeys' }}
+);
 
 is ($fks->count, 4, 'Joined FourKey count correct (2x2)');
-$fks->update ({ read_count => \ 'read_count + 1' });
-$_->discard_changes for ($fa, $fb);
+$schema->is_executed_sql_bind( sub {
+  $fks->update ({ read_count => \ 'read_count + 1' })
+}, [[
+  'UPDATE fourkeys
+   SET read_count = read_count + 1
+   WHERE ( ( ( bar = ? OR bar = ? ) AND ( foo = ? OR foo = ? ) AND ( goodbye = ? OR goodbye = ? ) AND ( hello = ? OR hello = ? ) AND sensors != ? ) )
+  ',
+  (1, 2) x 4,
+  'c',
+]], 'Correct update-SQL with multijoin with pruning' );
+
+is ($fa->discard_changes->read_count, 11, 'Update ran only once on discard-join resultset');
+is ($fb->discard_changes->read_count, 21, 'Update ran only once on discard-join resultset');
+is ($fc->discard_changes->read_count, 30, 'Update did not touch outlier');
+
+# make the multi-join stick
+my $fks_multi = $fks->search({ 'fourkeys_to_twokeys.pilot_sequence' => { '!=' => 666 } });
+$schema->is_executed_sql_bind( sub {
+  $fks_multi->update ({ read_count => \ 'read_count + 1' })
+}, [
+  [ 'BEGIN' ],
+  [
+    'SELECT me.foo, me.bar, me.hello, me.goodbye
+      FROM fourkeys me
+      LEFT JOIN fourkeys_to_twokeys fourkeys_to_twokeys
+        ON fourkeys_to_twokeys.f_bar = me.bar AND fourkeys_to_twokeys.f_foo = me.foo AND fourkeys_to_twokeys.f_goodbye = me.goodbye AND fourkeys_to_twokeys.f_hello = me.hello
+      WHERE ( bar = ? OR bar = ? ) AND ( foo = ? OR foo = ? ) AND fourkeys_to_twokeys.pilot_sequence != ? AND ( goodbye = ? OR goodbye = ? ) AND ( hello = ? OR hello = ? ) AND sensors != ?
+      GROUP BY me.foo, me.bar, me.hello, me.goodbye
+    ',
+    (1, 2) x 2,
+    666,
+    (1, 2) x 2,
+    'c',
+  ],
+  [
+    'UPDATE fourkeys
+     SET read_count = read_count + 1
+     WHERE ( bar = ? AND foo = ? AND goodbye = ? AND hello = ? ) OR ( bar = ? AND foo = ? AND goodbye = ? AND hello = ? )
+    ',
+    ( (1) x 4, (2) x 4 ),
+  ],
+  [ 'COMMIT' ],
+], 'Correct update-SQL with multijoin without pruning' );
+
+is ($fa->discard_changes->read_count, 12, 'Update ran only once on joined resultset');
+is ($fb->discard_changes->read_count, 22, 'Update ran only once on joined resultset');
+is ($fc->discard_changes->read_count, 30, 'Update did not touch outlier');
 
-is ($fa->read_count, 11, 'Update ran only once on joined resultset');
-is ($fb->read_count, 21, 'Update ran only once on joined resultset');
+$schema->is_executed_sql_bind( sub {
+  my $res = $fks_multi->search (\' "blah" = "bleh" ')->delete;
+  ok ($res, 'operation is true');
+  cmp_ok ($res, '==', 0, 'zero rows affected');
+}, [
+  [ 'BEGIN' ],
+  [
+    'SELECT me.foo, me.bar, me.hello, me.goodbye
+      FROM fourkeys me
+      LEFT JOIN fourkeys_to_twokeys fourkeys_to_twokeys
+        ON fourkeys_to_twokeys.f_bar = me.bar AND fourkeys_to_twokeys.f_foo = me.foo AND fourkeys_to_twokeys.f_goodbye = me.goodbye AND fourkeys_to_twokeys.f_hello = me.hello
+      WHERE "blah" = "bleh" AND ( bar = ? OR bar = ? ) AND ( foo = ? OR foo = ? ) AND fourkeys_to_twokeys.pilot_sequence != ? AND ( goodbye = ? OR goodbye = ? ) AND ( hello = ? OR hello = ? ) AND sensors != ?
+      GROUP BY me.foo, me.bar, me.hello, me.goodbye
+    ',
+    (1, 2) x 2,
+    666,
+    (1, 2) x 2,
+    'c',
+  ],
+  [ 'COMMIT' ],
+], 'Correct null-delete-SQL with multijoin without pruning' );
+
+
+# try the same sql with forced multicolumn in
+$schema->is_executed_sql_bind( sub {
+  local $schema->storage->{_use_multicolumn_in} = 1;
+
+  # this can't actually execute on sqlite
+  eval { $fks_multi->update ({ read_count => \ 'read_count + 1' }) };
+}, [[
+  'UPDATE fourkeys
+    SET read_count = read_count + 1
+    WHERE (
+      (foo, bar, hello, goodbye) IN (
+        SELECT me.foo, me.bar, me.hello, me.goodbye
+          FROM fourkeys me
+          LEFT JOIN fourkeys_to_twokeys fourkeys_to_twokeys ON
+                fourkeys_to_twokeys.f_bar = me.bar
+            AND fourkeys_to_twokeys.f_foo = me.foo
+            AND fourkeys_to_twokeys.f_goodbye = me.goodbye
+            AND fourkeys_to_twokeys.f_hello = me.hello
+        WHERE ( bar = ? OR bar = ? ) AND ( foo = ? OR foo = ? ) AND fourkeys_to_twokeys.pilot_sequence != ? AND ( goodbye = ? OR goodbye = ? ) AND ( hello = ? OR hello = ? ) AND sensors != ?
+      )
+    )
+  ',
+  ( 1, 2) x 2,
+  666,
+  ( 1, 2) x 2,
+  'c',
+]], 'Correct update-SQL with multicolumn in support' );
+
+$schema->is_executed_sql_bind( sub {
+  $fks->search({ 'twokeys.artist' => { '!=' => 666 } })->update({ read_count => \ 'read_count + 1' });
+}, [
+  [ 'BEGIN' ],
+  [
+    'SELECT me.foo, me.bar, me.hello, me.goodbye
+      FROM fourkeys me
+      LEFT JOIN fourkeys_to_twokeys fourkeys_to_twokeys
+        ON fourkeys_to_twokeys.f_bar = me.bar AND fourkeys_to_twokeys.f_foo = me.foo AND fourkeys_to_twokeys.f_goodbye = me.goodbye AND fourkeys_to_twokeys.f_hello = me.hello
+      LEFT JOIN twokeys twokeys
+        ON twokeys.artist = fourkeys_to_twokeys.t_artist AND twokeys.cd = fourkeys_to_twokeys.t_cd
+      WHERE ( bar = ? OR bar = ? ) AND ( foo = ? OR foo = ? ) AND ( goodbye = ? OR goodbye = ? ) AND ( hello = ? OR hello = ? ) AND sensors != ? AND twokeys.artist != ?
+      GROUP BY me.foo, me.bar, me.hello, me.goodbye
+    ',
+    (1, 2) x 4,
+    'c',
+    666,
+  ],
+  [
+    'UPDATE fourkeys
+     SET read_count = read_count + 1
+     WHERE ( bar = ? AND foo = ? AND goodbye = ? AND hello = ? ) OR ( bar = ? AND foo = ? AND goodbye = ? AND hello = ? )
+    ',
+    ( (1) x 4, (2) x 4 ),
+  ],
+  [ 'COMMIT' ],
+], 'Correct update-SQL with premultiplied restricting join without pruning' );
 
+is ($fa->discard_changes->read_count, 13, 'Update ran only once on joined resultset');
+is ($fb->discard_changes->read_count, 23, 'Update ran only once on joined resultset');
+is ($fc->discard_changes->read_count, 30, 'Update did not touch outlier');
 
 #
-# Make sure multicolumn in or the equivalen functions correctly
+# Make sure multicolumn in or the equivalent functions correctly
 #
 
 my $sub_rs = $tkfks->search (
@@ -79,13 +215,13 @@ throws_ok (
 $sub_rs->search (
   {},
   {
-    group_by => [ reverse $sub_rs->result_source->primary_columns ],     # reverse to make sure the PK-list comaprison works
+    group_by => [ reverse $sub_rs->result_source->primary_columns ],     # reverse to make sure the PK-list comparison works
   },
 )->update ({ pilot_sequence => \ 'pilot_sequence + 1' });
 
 is_deeply (
   [ $tkfks->search ({ autopilot => [qw/a b x y/]}, { order_by => 'autopilot' })
-            ->get_column ('pilot_sequence')->all 
+            ->get_column ('pilot_sequence')->all
   ],
   [qw/11 21 30 40/],
   'Only two rows incremented',
@@ -98,14 +234,34 @@ $tkfks->search (
 
 is_deeply (
   [ $tkfks->search ({ autopilot => [qw/a b x y/]}, { order_by => 'autopilot' })
-            ->get_column ('pilot_sequence')->all 
+            ->get_column ('pilot_sequence')->all
   ],
   [qw/12 22 30 40/],
   'Only two rows incremented (where => scalarref works)',
 );
 
-$sub_rs->delete;
+{
+  my $rs = $schema->resultset('FourKeys_to_TwoKeys')->search (
+    {
+      -or => [
+        { 'me.pilot_sequence' => 12 },
+        { 'me.autopilot'      => 'b' },
+      ],
+    }
+  );
+  lives_ok { $rs->update({ autopilot => 'z' }) }
+    'Update with table name qualifier in -or conditions lives';
+  is_deeply (
+    [ $tkfks->search ({ pilot_sequence => [12, 22]})
+              ->get_column ('autopilot')->all
+    ],
+    [qw/z z/],
+    '... and yields the right data',
+  );
+}
+
 
+$sub_rs->delete;
 is ($tkfks->count, $tkfk_cnt -= 2, 'Only two rows deleted');
 
 # make sure limit-only deletion works
@@ -113,4 +269,137 @@ cmp_ok ($tkfk_cnt, '>', 1, 'More than 1 row left');
 $tkfks->search ({}, { rows => 1 })->delete;
 is ($tkfks->count, $tkfk_cnt -= 1, 'Only one row deleted');
 
+
+# check with sql-equality, as sqlite will accept most bad sql just fine
+{
+  my $rs = $schema->resultset('CD')->search(
+    { 'me.year' => { '!=' => 2010 } },
+  );
+
+  $schema->is_executed_sql_bind( sub {
+    $rs->search({}, { join => 'liner_notes' })->delete;
+  }, [[
+    'DELETE FROM cd WHERE ( year != ? )',
+    2010,
+  ]], 'Non-restricting multijoins properly thrown out' );
+
+  $schema->is_executed_sql_bind( sub {
+    $rs->search({}, { prefetch => 'liner_notes' })->delete;
+  }, [[
+    'DELETE FROM cd WHERE ( year != ? )',
+    2010,
+  ]], 'Non-restricting multiprefetch thrown out' );
+
+  $schema->is_executed_sql_bind( sub {
+    $rs->search({}, { prefetch => 'artist' })->delete;
+  }, [[
+    'DELETE FROM cd WHERE ( cdid IN ( SELECT me.cdid FROM cd me JOIN artist artist ON artist.artistid = me.artist WHERE ( me.year != ? ) ) )',
+    2010,
+  ]], 'Restricting prefetch left in, selector thrown out');
+
+### switch artist and cd to fully qualified table names
+### make sure nothing is stripped out
+  my $cd_rsrc = $schema->source('CD');
+  $cd_rsrc->name('main.cd');
+  $cd_rsrc->relationship_info($_)->{attrs}{cascade_delete} = 0
+    for $cd_rsrc->relationships;
+
+  my $art_rsrc = $schema->source('Artist');
+  $art_rsrc->name(\'main.artist');
+  $art_rsrc->relationship_info($_)->{attrs}{cascade_delete} = 0
+    for $art_rsrc->relationships;
+
+  $schema->is_executed_sql_bind( sub {
+    $rs->delete
+  }, [[
+    'DELETE FROM main.cd WHERE year != ?',
+    2010,
+  ]], 'delete with fully qualified table name' );
+
+  $rs->create({ title => 'foo', artist => 1, year => 2000 });
+  $schema->is_executed_sql_bind( sub {
+    $rs->delete_all
+  }, [
+    [ 'BEGIN' ],
+    [
+      'SELECT me.cdid, me.artist, me.title, me.year, me.genreid, me.single_track FROM main.cd me WHERE me.year != ?',
+      2010,
+    ],
+    [
+      'DELETE FROM main.cd WHERE ( cdid = ? )',
+      1,
+    ],
+    [ 'COMMIT' ],
+  ], 'delete_all with fully qualified table name' );
+
+  $rs->create({ cdid => 42, title => 'foo', artist => 2, year => 2000 });
+  my $cd42 = $rs->find(42);
+
+  $schema->is_executed_sql_bind( sub {
+    $cd42->delete
+  }, [[
+    'DELETE FROM main.cd WHERE cdid = ?',
+    42,
+  ]], 'delete of object from table with fully qualified name' );
+
+  $schema->is_executed_sql_bind( sub {
+    $cd42->related_resultset('artist')->delete
+  }, [[
+    'DELETE FROM main.artist WHERE ( artistid IN ( SELECT me.artistid FROM main.artist me WHERE ( me.artistid = ? ) ) )',
+    2,
+  ]], 'delete of related object from scalarref fully qualified named table' );
+
+  my $art3 = $schema->resultset('Artist')->find(3);
+
+  $schema->is_executed_sql_bind( sub {
+    $art3->related_resultset('cds')->delete;
+  }, [[
+    'DELETE FROM main.cd WHERE ( artist = ? )',
+    3,
+  ]], 'delete of related object from fully qualified named table' );
+
+  $schema->is_executed_sql_bind( sub {
+    $art3->cds_unordered->delete;
+  }, [[
+    'DELETE FROM main.cd WHERE ( artist = ? )',
+    3,
+  ]], 'delete of related object from fully qualified named table via relaccessor' );
+
+  $schema->is_executed_sql_bind( sub {
+    $rs->search({}, { prefetch => 'artist' })->delete;
+  }, [[
+    'DELETE FROM main.cd WHERE ( cdid IN ( SELECT me.cdid FROM main.cd me JOIN main.artist artist ON artist.artistid = me.artist WHERE ( me.year != ? ) ) )',
+    2010,
+  ]], 'delete with fully qualified table name and subquery correct' );
+
+  # check that as_subselect_rs works ok
+  # inner query is untouched, then a selector
+  # and an IN condition
+  $schema->is_executed_sql_bind( sub {
+    $schema->resultset('CD')->search({
+      'me.cdid' => 1,
+      'artist.name' => 'partytimecity',
+    }, {
+      join => 'artist',
+    })->as_subselect_rs->delete;
+  }, [[
+    '
+      DELETE FROM main.cd
+      WHERE (
+        cdid IN (
+          SELECT me.cdid
+            FROM (
+              SELECT me.cdid, me.artist, me.title, me.year, me.genreid, me.single_track
+                FROM main.cd me
+                JOIN main.artist artist ON artist.artistid = me.artist
+              WHERE artist.name = ? AND me.cdid = ?
+            ) me
+        )
+      )
+    ',
+    'partytimecity',
+    1,
+  ]], 'Delete from as_subselect_rs works correctly' );
+}
+
 done_testing;