- Added some SearchRequest attributes ; now it's even simpler to add searchable fields

- Began decoupling of QueryBuilder from native MySQL method ; some works needs to be done on for the Repository object splitting also.

src/QueryBuilder/Sql/SqliteQueryBuilder.php

@@ -0,0 +1,42 @@
+<?php
+
+namespace Ulmus\QueryBuilder\Sql;
+
+use Ulmus\Query;
+use Ulmus\QueryBuilder\SqlQueryBuilder;
+
+# Soon to extends SqlQueryBuilder
+class SqliteQueryBuilder extends MysqlQueryBuilder implements Query\QueryBuilderInterface
+{
+    public function pragma(/*object|Stringable*/ $name, $value = null, bool $callable = false) : self
+    {
+        if ( null !== ( $pragma = $this->getFragment(Query\Sqlite\Pragma::class) ) ) {
+            $pragma->set($name, $value, $callable);
+        }
+        else {
+            $pragma = new Query\Sqlite\Pragma();
+            $pragma->set($name, $value, $callable);
+            $this->push($pragma);
+        }
+
+        return $this;
+    }
+
+    public function showColumns(string $table) : self
+    {
+        $this->pragma('table_info', $table, true);
+
+        return $this;
+    }
+
+    public function showTables(? string $database = null) : self
+    {
+        $show = new Query\Show();
+
+        $this->push($show);
+
+        $show->set(Query\Show::SQL_SHOW_TABLES, $database);
+
+        return $this;
+    }
+}