Fix hasTable() returning stale results when mixing API and execute()

src/Db/Adapter/MysqlAdapter.php

@@ -203,7 +203,10 @@ public function quoteTableName(string $tableName): string
      */
     public function hasTable(string $tableName): bool
     {
-        if ($this->hasCreatedTable($tableName)) {
+        // Only use the cache in dry-run mode where tables aren't actually created.
+        // In normal mode, always check the database to handle cases where tables
+        // are dropped via execute() which doesn't update the cache.
+        if ($this->isDryRunEnabled() && $this->hasCreatedTable($tableName)) {
             return true;
         }
 

src/Db/Adapter/PostgresAdapter.php

@@ -100,9 +100,13 @@ public function quoteTableName(string $tableName): string
      */
     public function hasTable(string $tableName): bool
     {
-        if ($this->hasCreatedTable($tableName)) {
+        // Only use the cache in dry-run mode where tables aren't actually created.
+        // In normal mode, always check the database to handle cases where tables
+        // are dropped via execute() which doesn't update the cache.
+        if ($this->isDryRunEnabled() && $this->hasCreatedTable($tableName)) {
             return true;
         }
+
         $parts = $this->getSchemaName($tableName);
         $tableName = $parts['table'];
 

src/Db/Adapter/SqliteAdapter.php

@@ -229,7 +229,14 @@ protected function resolveTable(string $tableName): array
      */
     public function hasTable(string $tableName): bool
     {
-        return $this->hasCreatedTable($tableName) || $this->resolveTable($tableName)['exists'];
+        // Only use the cache in dry-run mode where tables aren't actually created.
+        // In normal mode, always check the database to handle cases where tables
+        // are dropped via execute() which doesn't update the cache.
+        if ($this->isDryRunEnabled() && $this->hasCreatedTable($tableName)) {
+            return true;
+        }
+
+        return $this->resolveTable($tableName)['exists'];
     }
 
     /**

src/Db/Adapter/SqlserverAdapter.php

@@ -67,13 +67,17 @@ public function quoteTableName(string $tableName): string
      */
     public function hasTable(string $tableName): bool
     {
-        if ($this->hasCreatedTable($tableName)) {
+        // Only use the cache in dry-run mode where tables aren't actually created.
+        // In normal mode, always check the database to handle cases where tables
+        // are dropped via execute() which doesn't update the cache.
+        if ($this->isDryRunEnabled() && $this->hasCreatedTable($tableName)) {
             return true;
         }
+
         $parts = $this->getSchemaName($tableName);
         $dialect = $this->getSchemaDialect();
 
-        return $dialect->hasTable($tableName, $parts['schema']);
+        return $dialect->hasTable($parts['table'], $parts['schema']);
     }
 
     /**

tests/TestCase/Db/Adapter/SqliteAdapterTest.php

@@ -2402,6 +2402,27 @@ public static function provideTableNamesForPresenceCheck()
         ];
     }
 
+    /**
+     * Test that hasTable() returns false after a table is dropped via execute().
+     *
+     * This verifies that hasTable() always checks the database rather than
+     * relying on an internal cache that could become stale when raw SQL is used.
+     */
+    public function testHasTableAfterExecuteDrop(): void
+    {
+        // Create table via API
+        $table = new Table('cache_test', [], $this->adapter);
+        $table->addColumn('name', 'string')
+              ->save();
+
+        $this->assertTrue($this->adapter->hasTable('cache_test'));
+
+        // Drop via execute() - hasTable() must still return false
+        $this->adapter->execute('DROP TABLE "cache_test"');
+
+        $this->assertFalse($this->adapter->hasTable('cache_test'));
+    }
+
     #[DataProvider('provideIndexColumnsToCheck')]
     public function testHasIndex($tableDef, $cols, $exp)
     {