- A lot of work done on bug fixing. Added a new SQLite adapter

src/QueryBuilder.php

@@ -305,7 +305,7 @@ class QueryBuilder implements Query\QueryBuilderInterface
         $join->outer = $outer;
         
         $join->alias = $alias;
-        
+
         return $join;
     }
     
@@ -328,7 +328,7 @@ class QueryBuilder implements Query\QueryBuilderInterface
         return $this;
     }
 
-    public function create(array $fieldlist, string $table, ? string $database = null, ? string $schema = null) : self
+    public function create(Adapter\AdapterInterface $adapter, array $fieldlist, string $table, ? string $database = null, ? string $schema = null) : self
     {
         if ( null === $this->getFragment(Query\Create::class) ) {
             if ( $schema ) {
@@ -339,7 +339,7 @@ class QueryBuilder implements Query\QueryBuilderInterface
                 $table = "$database.$table";
             }
 
-            $create = new Query\Create();
+            $create = new Query\Create($adapter);
             $this->push($create);
 
             $create->fieldList = $fieldlist;
@@ -352,7 +352,7 @@ class QueryBuilder implements Query\QueryBuilderInterface
         return $this;
     }
 
-    public function alter(array $fieldlist, string $table, ? string $database = null, ? string $schema = null) : self
+    public function alter(Adapter\AdapterInterface $adapter, array $fieldlist, string $table, ? string $database = null, ? string $schema = null) : self
     {
         if ( null === $this->getFragment(Query\Create::class) ) {
             if ( $schema ) {
@@ -363,7 +363,7 @@ class QueryBuilder implements Query\QueryBuilderInterface
                 $table = "$database.$table";
             }
 
-            $alter = new Query\Alter();
+            $alter = new Query\Alter($adapter);
             $this->push($alter);
 
             $alter->fieldList = $fieldlist;
@@ -405,7 +405,7 @@ class QueryBuilder implements Query\QueryBuilderInterface
         $sql = [];
 
         usort($this->queryStack, function($q1, $q2) {
-            return $q1->order <=> $q2->order;
+            return (float) $q1->order <=> (float) $q2->order;
         });
 
         foreach($this->queryStack as $fragment) {
@@ -456,9 +456,9 @@ class QueryBuilder implements Query\QueryBuilderInterface
         }
     }
 
-    public function getFragments() : array
+    public function getFragments(/*? Query\Fragment|array*/ $fragment = null) : array
     {
-        return $this->queryStack;
+        return $fragment === null ? array_filter($this->queryStack, fn($e) => get_class($e) === $fragment) : $this->queryStack;
     }
     
     public function __toString() : string
@@ -485,4 +485,15 @@ class QueryBuilder implements Query\QueryBuilderInterface
     {
         $this->values = $values;
     }
+    
+    protected function nextJoinOrder() : float
+    {
+        $next = 0;
+
+        foreach($this->getFragments(Query\Join::class) as $join) {
+            $next = max($next, $join->joinOrder - Query\Join::ORDER_VALUE);
+        }
+
+        return $next + 1;
+    }
 }