Fix metaData revisionDates that were left as 0 from upgrades. Thanks …

…to Dale Trexe for the script which inspired this upgrade sub. Fixes bug #12339.
plainblack · Aug 30, 2012 · 4f74c4c · 4f74c4c
1 parent 93f583d
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diff --git a/docs/changelog/7.x.x.txt b/docs/changelog/7.x.x.txt
@@ -2,6 +2,8 @@
  - fixed #12379: userImport documentation error
  - fixed #12382: WebGUI::Crud does not work with all form types
  - fixed: Threads with no posts return the wrong lastReply data.
+ - fixed #12339: Upgrade to 7.10 causes metadata values to "disappear" (Dale Trexel)
+
 
 7.10.26
  - fixed: Template diagnostics when called without a session asset.

diff --git a/docs/upgrades/upgrade_7.10.26-7.10.27.pl b/docs/upgrades/upgrade_7.10.26-7.10.27.pl
@@ -31,10 +31,66 @@ BEGIN
 my $session = start(); # this line required
 
 # upgrade functions go here
+fixMetaDataRevisionDates($session);
 
 finish($session); # this line required
 
 
+#----------------------------------------------------------------------------
+# Describe what our function does
+sub fixMetaDataRevisionDates {
+    my $session = shift;
+    print "\tCheck to see if metaData has bad revision dates... " unless $quiet;
+    my $getMeta0 = $session->db->read(
+        'SELECT fieldId, assetId, value from metaData_values where revisionDate=0'
+    );
+    my $getRevisionDates = $session->db->prepare(
+        'select revisionDate from assetData where assetId=? order by revisionDate'
+    );
+    my $getMetaValue = $session->db->prepare(
+        'select value from metaData_values where assetId=? and fieldId=? and revisionDate=?'
+    );
+    my $updateMetaValue = $session->db->prepare(
+        'UPDATE metaData_values set value=? where assetId=? AND fieldId=? and revisionDate=?'
+    );
+    my $insertMetaValue = $session->db->prepare(
+        'INSERT INTO metaData_values (assetId, fieldId, value, revisionDate) VALUES (?,?,?,?)'
+    );
+    ##Get each metaData_value entry
+    METAENTRY: while (my $metaEntry = $getMeta0->hashRef) {
+        $getRevisionDates->execute([$metaEntry->{assetId}]);
+        ##Get all revisionDates for the asset in that entry
+        REVISIONDATE: while (my ($revisionDate) = $getRevisionDates->array) {
+            ##Find the metaData value for that revisionDate
+            $getMetaValue->execute([$metaEntry->{assetId}, $metaEntry->{fieldId}, $revisionDate, ]);
+            my ($metaValue) = $getMetaValue->array;
+            ##If that matches the current entry, we're done with this revisionDate
+            next REVISIONDATE if $metaValue eq $metaEntry->{value};
+            ##It doesn't match, so we have to fix it.
+            ##Update a bad entry
+            if (defined $metaValue) {
+                $updateMetaValue->execute([
+                    @{$metaEntry}{qw/value assetId fieldId/}, $revisionDate,
+                ]);
+            }
+            ##Insert a new one
+            else {
+                $insertMetaValue->execute([
+                    @{$metaEntry}{qw/assetId fieldId value/}, $revisionDate,
+                ]);
+            }
+        }
+    }
+    $getMeta0->finish;
+    $getRevisionDates->finish;
+    $getMetaValue->finish;
+    $insertMetaValue->finish;
+    $updateMetaValue->finish;
+    $session->db->write('delete from metaData_values where revisionDate=0');
+    print "DONE!\n" unless $quiet;
+}
+
+
 #----------------------------------------------------------------------------
 # Describe what our function does
 #sub exampleFunction {