Fix MySQL failure and shore up coverage

This marks the end of the feed reduplication effort

lib/AbstractException.php

@@ -38,7 +38,7 @@ abstract class AbstractException extends \Exception {
         "Db/Exception.updateFileUnreadable"           => 10216,
         "Db/Exception.updateFileError"                => 10217,
         "Db/Exception.updateFileIncomplete"           => 10218,
-        "Db/Exception.updateSchemaChange"             => 10219,
+        "Db/Exception.updateSchemaDowngrade"          => 10219,
         "Db/Exception.paramTypeInvalid"               => 10221,
         "Db/Exception.paramTypeUnknown"               => 10222,
         "Db/Exception.paramTypeMissing"               => 10223,

lib/Database.php

@@ -84,8 +84,9 @@ class Database {
         if ($initialize) {
             if ($ver < self::SCHEMA_VERSION) {
                 $this->db->schemaUpdate(self::SCHEMA_VERSION);
-            } elseif ($ver != self::SCHEMA_VERSION) {
+            } elseif ($ver != self::SCHEMA_VERSION) {// @codeCoverageIgnore
-                throw new Db\Exception("updateSchemaChange");
+                // This will only occur if an old version of the software is used with a newer database schema
+                throw new Db\Exception("updateSchemaDowngrade"); // @codeCoverageIgnore
             }
         }
     }
@@ -1151,7 +1152,6 @@ class Database {
         try {
             $keep = Rule::prep($sub['keep']);
             $block = Rule::prep($sub['block']);
-            $feed = $sub['id'];
         } catch (RuleException $e) { // @codeCoverageIgnore
             // invalid rules should not normally appear in the database, but it's possible
             // in this case we should halt evaluation and just leave things as they are
@@ -1277,13 +1277,17 @@ class Database {
         // prepare the keep and block rules
         try {
             $keep = Rule::prep($f['keep_rule'] ?? "");
-        } catch (RuleException $e) {
+        } catch (RuleException $e) { // @codeCoverageIgnore
-            $keep = "";
+            // invalid rules should not normally appear in the database, but it's possible
+            // in this case we act as if the rule were not defined
+            $keep = ""; // @codeCoverageIgnore
         }
         try {
             $block = Rule::prep($f['block_rule'] ?? "");
-        } catch (RuleException $e) {
+        } catch (RuleException $e) { // @codeCoverageIgnore
-            $block = "";
+            // invalid rules should not normally appear in the database, but it's possible
+            // in this case we act as if the rule were not defined
+            $block = ""; // @codeCoverageIgnore
         }
         // determine if the feed icon needs to be updated, and update it if appropriate
         $tr = $this->db->begin();
@@ -2473,10 +2477,13 @@ class Database {
      * @param boolean $includeEmpty Whether to include (true) or supress (false) tags which have no subscriptions assigned to them
      */
     public function tagList(string $user, bool $includeEmpty = true): Db\Result {
+        $integerType = $this->db->sqlToken("integer");
         return $this->db->prepareArray(
             "SELECT * FROM (
                 SELECT
-                    id,name,coalesce(subscriptions,0) as subscriptions
+                    id,
+                    name,
+                    cast(coalesce(subscriptions,0) as $integerType) as subscriptions -- this cast is required for MySQL for unclear reasons
                 from arsse_tags 
                     left join (
                         SELECT 

locale/en.php

@@ -147,7 +147,7 @@ return [
             0 {Automatic updating of the {driver_name} database failed because it is already up to date with the requested version, {target}}
             other {Automatic updating of the {driver_name} database failed because its version, {current}, is newer than the requested version, {target}}
         }',
-    'Exception.JKingWeb/Arsse/Db/Exception.updateSchemaChange'             => 'Database schema version is newer than the application schema version',
+    'Exception.JKingWeb/Arsse/Db/Exception.updateSchemaDowngrade'          => 'Database schema version is newer than the application schema version',
     'Exception.JKingWeb/Arsse/Db/Exception.engineErrorGeneral'             => '{0}',
     // indicates programming error
     'Exception.JKingWeb/Arsse/Db/Exception.savepointStatusUnknown'         => 'Savepoint status code {0} not implemented',

tests/cases/Database/SeriesArticle.php

@@ -815,7 +815,7 @@ trait SeriesArticle {
     }
 
     public function testMarkMultipleMissingEditions(): void {
-        $this->assertSame(0, Arsse::$db->articleMark($this->user, ['starred' => true], (new Context)->editions([500,501])));
+        $this->assertSame(0, Arsse::$db->articleMark($this->user, ['starred' => true], (new Context)->editions([56458, 1851855])));
         $state = $this->primeExpectations($this->data, $this->checkTables);
         $this->compareExpectations(static::$drv, $state);
     }

tests/cases/Misc/TestValueInfo.php

@@ -531,6 +531,7 @@ class TestValueInfo extends \JKingWeb\Arsse\Test\AbstractTest {
             [$this->i("P2DT1H"),                    [null,true], [true, false], [(48 + 1) * 60 * 60, false], [1.0 * (48 + 1) * 60 * 60, false], ["P2DT1H",              true],  [[$this->i("P2DT1H")],                   false], [$this->i("P2DT1H"), true]],
             [$this->i("PT0H"),                      [null,true], [true, false], [0,                  false], [0.0,                      false], ["PT0S",                true],  [[$this->i("PT0H")],                     false], [$this->i("PT0H"), true]],
             [$dateDiff,                             [null,true], [true, false], [366 * 24 * 60 * 60, false], [1.0 * 366 * 24 * 60 * 60, false], ["P366D",               true],  [[$dateDiff],                            false], [$dateNorm, true]],
+            ["1 year, 2 days",                      [null,true], [true, false], [0,                  false], [0.0,                      false], ["1 year, 2 days",      true],  [["1 year, 2 days"],                     false], [\DateInterval::createFromDateString("1 year, 2 days"), false]],
             ["P1Y2D",                               [null,true], [true, false], [0,                  false], [0.0,                      false], ["P1Y2D",               true],  [["P1Y2D"],                              false], [$this->i("P1Y2D"), true]],
         ] as $set) {
             // shift the input value off the set