From ad96b6c736a98d644da46381cefadb9f2724bc2c Mon Sep 17 00:00:00 2001
From: wanli <522256691@qq.com>
Date: Thu, 6 Mar 2025 12:02:32 +0800
Subject: [PATCH] =?UTF-8?q?*=20=E5=A2=9E=E5=8A=A0mysql=E4=BD=BF=E7=94=A8ex?=
 =?UTF-8?q?ecute=E6=96=B9=E6=B3=95=E8=A7=A3=E6=9E=90date=E6=A0=BC=E5=BC=8F?=
 =?UTF-8?q?=E6=95=B0=E6=8D=AE=20(#2035)?=
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* * 增加mysql使用execute方法解析date格式数据

* 优化mysql模块解析date失败时处理方式

---------

Co-authored-by: test <test@test.com>
---
 lualib/skynet/db/mysql.lua | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/lualib/skynet/db/mysql.lua b/lualib/skynet/db/mysql.lua
index 94b9b8f0..e622e176 100644
--- a/lualib/skynet/db/mysql.lua
+++ b/lualib/skynet/db/mysql.lua
@@ -852,6 +852,20 @@ local function _get_datetime(data, pos)
     return value, pos
 end
 
+local function _get_date(data, pos)
+    local len, year, month, day
+    local value
+    len, pos = _from_length_coded_bin(data, pos)
+    if len == 4 then
+        year, month, day, pos = string.unpack("<I2BB", data, pos)
+        value = strformat("%04d-%02d-%02d", year, month, day)
+    else
+        --unsupported format
+        error("_get_date()error,unsupported date format, len is " .. len)
+    end
+    return value, pos
+end
+
 -- 字段类型参考 https://dev.mysql.com/doc/dev/mysql-server/8.0.12/binary__log__types_8h.html enum_field_types 枚举类型定义
 local _binary_parser = {
     [0x01] = _get_int1,
@@ -862,6 +876,7 @@ local _binary_parser = {
     [0x07] = _get_datetime,
     [0x08] = _get_int8,
     [0x09] = _get_int3,
+    [0x0a] = _get_date,
     [0x0c] = _get_datetime,
     [0x0f] = _from_length_coded_str,
     [0x10] = _from_length_coded_str,