diff --git a/.github/workflows/infection.yml b/.github/workflows/infection.yml
index ad19f8a..dd710b4 100644
--- a/.github/workflows/infection.yml
+++ b/.github/workflows/infection.yml
@@ -31,6 +31,6 @@ jobs:
         run: composer install --prefer-dist --no-progress --no-suggest
 
       - name: Run Infection
-        run: vendor/bin/infection --min-msi=86 --min-covered-msi=90 --log-verbosity=none -s
+        run: vendor/bin/infection --min-msi=88 --min-covered-msi=90 --log-verbosity=none -s
         env:
           INFECTION_BADGE_API_KEY: ${{ secrets.INFECTION_BADGE_API_KEY }}
diff --git a/src/Snippet/Parts.php b/src/Snippet/Parts.php
index 73d79e2..b29a04a 100644
--- a/src/Snippet/Parts.php
+++ b/src/Snippet/Parts.php
@@ -14,7 +14,7 @@ final class Parts
     /** @return array<array<string, mixed>> */
     public static function run(ClickHouseClient $clickHouseClient, string $table, ?bool $active = null) : array
     {
-        $whereActiveClause = $active === null ? '' : sprintf(' AND active = %s', (int) $active);
+        $whereActiveClause = $active === null ? '' : sprintf(' AND active = %d', $active);
 
         /** @var JsonEachRow<array<string, mixed>> $format */
         $format = new JsonEachRow();
diff --git a/src/Snippet/ShowCreateTable.php b/src/Snippet/ShowCreateTable.php
index 545d658..e2d5649 100644
--- a/src/Snippet/ShowCreateTable.php
+++ b/src/Snippet/ShowCreateTable.php
@@ -23,6 +23,6 @@ public static function run(ClickHouseClient $clickHouseClient, string $tableName
             $format
         );
 
-        return trim($output->data[0]['statement']);
+        return $output->data[0]['statement'];
     }
 }
diff --git a/tests/Snippet/TableSizesTest.php b/tests/Snippet/TableSizesTest.php
index 464145b..85a8761 100644
--- a/tests/Snippet/TableSizesTest.php
+++ b/tests/Snippet/TableSizesTest.php
@@ -4,6 +4,7 @@
 
 namespace SimPod\ClickHouseClient\Tests\Snippet;
 
+use DateTimeImmutable;
 use SimPod\ClickHouseClient\Snippet\TableSizes;
 use SimPod\ClickHouseClient\Tests\TestCaseBase;
 use SimPod\ClickHouseClient\Tests\WithClient;
@@ -13,8 +14,35 @@ final class TableSizesTest extends TestCaseBase
 {
     use WithClient;
 
+    public function setUp() : void
+    {
+        $this->client->executeQuery(
+            <<<CLICKHOUSE
+CREATE TABLE test (
+    a_date  DateTime,
+    value   Int8
+)
+ENGINE = MergeTree
+    PARTITION BY toDate(a_date)
+    ORDER BY (value)
+CLICKHOUSE
+        );
+    }
+
     public function testRun() : void
     {
-        self::assertSame([], TableSizes::run($this->client));
+        $this->client->insert('test', [[new DateTimeImmutable(), 1]]);
+
+        self::assertCount(1, TableSizes::run($this->client));
+    }
+
+    public function testRunOnNonexistentDatabase() : void
+    {
+        self::assertSame([], TableSizes::run($this->client, 'does not exist'));
+    }
+
+    public function tearDown() : void
+    {
+        $this->client->executeQuery('DROP TABLE test');
     }
 }