préfixe de colonne

src/db/_private/Tselect.php

@@ -2,6 +2,7 @@
 namespace nur\sery\db\_private;
 
 use nur\sery\cl;
+use nur\sery\str;
 use nur\sery\ValueException;
 
 trait Tselect {
@@ -32,6 +33,8 @@ trait Tselect {
     if (self::consume('(.*?)\s*(?=$|\bfrom\b)', $tmpsql, $ms)) {
       if ($ms[1]) $usercols[] = $ms[1];
     }
+    $colPrefix = $query["col_prefix"] ?? null;
+    if ($colPrefix !== null) str::add_suffix($colPrefix, ".");
     $tmpcols = cl::withn($query["cols"] ?? null);
     $schema = $query["schema"] ?? null;
     if ($tmpcols !== null) {
@@ -41,20 +44,22 @@ trait Tselect {
         if ($key === $index) {
           $index++;
           $cols[] = $col;
-          $usercols[] = $col;
+          $usercols[] = "${colPrefix}$col";
         } else {
           $cols[] = $key;
-          $usercols[] = "$col as $key";
+          $usercols[] = "${colPrefix}$col as $key";
         }
       }
     } else {
       $cols = null;
       if ($schema && is_array($schema) && !in_array("*", $usercols)) {
         $cols = array_keys($schema);
-        $usercols = array_merge($usercols, $cols);
+        foreach ($cols as $col) {
+          $usercols[] = "${colPrefix}$col";
         }
       }
-    if (!$usercols && !$cols) $usercols = ["*"];
+    }
+    if (!$usercols && !$cols) $usercols = ["${colPrefix}*"];
     $sql[] = implode(", ", $usercols);
 
     ## from

src/db/_private/_select.php

@@ -6,6 +6,7 @@ class _select {
     "prefix" => "?string",
     "schema" => "?array",
     "cols" => "?array",
+    "col_prefix" => "?string",
     "from" => "?string",
     "where" => "?array",
     "order by" => "?array",