From 2202784f25fc9b98093fd754ca5c48beea8f08b8 Mon Sep 17 00:00:00 2001
From: "HuYingzhuo(hugo/hyzboy)" <hyzboy@gmail.com>
Date: Mon, 10 Jul 2023 20:14:01 +0800
Subject: [PATCH] =?UTF-8?q?sql=5Fget=5Ffield=5Fdistinct=E6=94=B9=E4=B8=BA?=
 =?UTF-8?q?=E6=94=AF=E6=8C=81=E5=8F=AF=E5=8F=98=E5=8F=82=E6=95=B0=E4=B8=AA?=
 =?UTF-8?q?=E6=95=B0?=
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---
 tools_sql.php | 22 ++++++++++++++++++++--
 1 file changed, 20 insertions(+), 2 deletions(-)

diff --git a/tools_sql.php b/tools_sql.php
index 22605fe..6f3bed3 100644
--- a/tools_sql.php
+++ b/tools_sql.php
@@ -403,15 +403,33 @@
         return sql_get_field_term($sql,$table_name,$field,"AVG",$where);
     }
 
-    function sql_get_field_distinct($sql,$table_name,$field,$where)
+    function sql_get_field_distinct()//$sql,$table_name,$field,$where,$start,$count)
     {
-        if(!$sql)return null;
+        $sql        =func_get_arg(0);
+        $table_name =func_get_arg(1);
+        $field      =func_get_arg(2);
+
+        if(!$sql||!$table_name||!$field)return null;
+
+        if(func_num_args()>3)
+            $where=func_get_arg(3);
 
         if($where)
             $sql_string="select DISTINCT(".$field.") from ".$table_name.' WHERE '.$where.' ORDER BY '.$field;
         else
             $sql_string="select DISTINCT(".$field.") from ".$table_name.' ORDER BY '.$field;
 
+        if(func_num_args()>5)
+        {
+            $start=func_get_arg(4);
+            $count=func_get_arg(5);
+
+            if($start>0||$count>0)
+            {
+                $sql_string=$sql_string.' LIMIT '.$start.','.$count;
+            }
+        }
+
         $sql_result=$sql->query($sql_string);
 
         if(!$sql_result)