- Multiple bugfixe linked to query fragments

- Added a new SearchRequest package to handle search request efficiently

src/Query/Fragment.php

@@ -10,6 +10,6 @@ abstract class Fragment {
 
     protected function renderSegments(array $segments, string $glue = " ") : string
     {
-        return implode($glue, array_filter($segments));
+        return implode($glue, array_filter($segments, function($i) { return ! is_null($i) && $i !== false && $i !== ""; }));
     }
 }

src/Query/Insert.php

@@ -31,6 +31,6 @@ class Insert extends Fragment {
 
     protected function renderTable() : string
     {
-        return $this->table;
+        return "`$this->table`";
     }
 }

src/Query/Offset.php

@@ -11,6 +11,7 @@ class Offset extends Fragment {
     public function set($offset) : self
     {
         $this->offset = $offset;
+        
         return $this;
     }
 

src/Query/OrderBy.php

@@ -10,12 +10,14 @@ class OrderBy extends Fragment {
     public function set(array $order) : self
     {
         $this->orderBy = $order;
+        
         return $this;
     }
 
     public function add(string $field, ? string $direction = null) : self
     {
         $this->orderBy[] = [ $field, $direction ];
+        
         return $this;
     }
 
@@ -23,6 +25,7 @@ class OrderBy extends Fragment {
     {
         $list = array_map(function($item) {
             list($field, $direction) = $item;
+            
             return $field . ( $direction ? " $direction" : "" );
         }, $this->orderBy);
 

src/Query/Update.php

@@ -24,12 +24,12 @@ class Update extends Fragment {
             'UPDATE',
             ( $this->priority ?? false ),
             ( $this->ignore ? 'IGNORE' : false ),
-            $this->table,
+            $this->renderTable(),
         ]);
     }
     
     protected function renderTable() : string
     {
-        return $this->table;
+        return "`$this->table`";
     }
 }

src/Query/Values.php

@@ -33,7 +33,7 @@ class Values extends Fragment {
     public function render() : string
     {
         $this->queryBuilder->addValues($this->flattenRowsArray());
-                    
+          
         return $this->renderSegments([
             'VALUES', $this->renderParameterPlaceholders(),
         ]);