diff --git a/php/src/db/Capacitor.php b/php/src/db/Capacitor.php
index d09f2e0..6dfa4e9 100644
--- a/php/src/db/Capacitor.php
+++ b/php/src/db/Capacitor.php
@@ -1,6 +1,7 @@
 <?php
 namespace nulib\db;
 
+use nulib\A;
 use nulib\cl;
 use nulib\php\func;
 use nulib\ValueException;
diff --git a/php/src/db/_private/_select.php b/php/src/db/_private/_select.php
index 1e7f1d0..0dc0f0b 100644
--- a/php/src/db/_private/_select.php
+++ b/php/src/db/_private/_select.php
@@ -9,6 +9,7 @@ class _select extends _common {
   const SCHEMA = [
     "prefix" => "?string",
     "schema" => "?array",
+    "distinct" => "bool",
     "cols" => "?array",
     "col_prefix" => "?string",
     "from" => "?string",
@@ -45,8 +46,16 @@ class _select extends _common {
     if (($prefix = $query["prefix"] ?? null) !== null) $sql[] = $prefix;
 
     ## select
-    self::consume('(select(?:\s*distinct)?)\s*', $tmpsql, $ms);
+    self::consume('(select(?:\s*(distinct))?)\s*', $tmpsql, $ms);
     $sql[] = $ms[1];
+    if (($ms[2] ?? null) !== null) {
+      # ne pas le rajouter de nouveau ci-dessous
+      $distinct = false;
+    } else $distinct = null;
+
+    ## distinct
+    $distinct ??= $query["distinct"] ?? false;
+    if ($distinct) $sql[] = "distinct";
 
     ## cols
     $usercols = [];