From 3291809f2fc392c9a3f43c9917599a1826d0b325 Mon Sep 17 00:00:00 2001
From: taozhi8833998 <taozhi8833998@163.com>
Date: Fri, 15 Dec 2023 10:19:59 +0800
Subject: [PATCH] fix: alter table drop index with identified in mysql

---
 pegjs/mariadb.pegjs        | 2 +-
 pegjs/mysql.pegjs          | 2 +-
 test/mysql-mariadb.spec.js | 9 ++++++++-
 3 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/pegjs/mariadb.pegjs b/pegjs/mariadb.pegjs
index 253ed4dd..d3e018fd 100644
--- a/pegjs/mariadb.pegjs
+++ b/pegjs/mariadb.pegjs
@@ -913,7 +913,7 @@ ALTER_DROP_KEY_INDEX
         type: 'alter',
     }
   }
-  / KW_DROP __ k:(('FOREIGN'i? __ KW_KEY) / (KW_INDEX)) __ c:ident_name {
+  / KW_DROP __ k:(('FOREIGN'i? __ KW_KEY) / (KW_INDEX)) __ c:ident {
     const resource = Array.isArray(k) ? 'key' : 'index'
     return {
         action: 'drop',
diff --git a/pegjs/mysql.pegjs b/pegjs/mysql.pegjs
index 73544bf0..47ccf5e0 100644
--- a/pegjs/mysql.pegjs
+++ b/pegjs/mysql.pegjs
@@ -1203,7 +1203,7 @@ ALTER_DROP_KEY_INDEX
         type: 'alter',
     }
   }
-  / KW_DROP __ k:(('FOREIGN'i? __ KW_KEY) / (KW_INDEX)) __ c:ident_name {
+  / KW_DROP __ k:(('FOREIGN'i? __ KW_KEY) / (KW_INDEX)) __ c:ident {
     const resource = Array.isArray(k) ? 'key' : 'index'
     return {
         action: 'drop',
diff --git a/test/mysql-mariadb.spec.js b/test/mysql-mariadb.spec.js
index 1020cbdb..72770136 100644
--- a/test/mysql-mariadb.spec.js
+++ b/test/mysql-mariadb.spec.js
@@ -880,12 +880,19 @@ describe('mysql', () => {
         ]
       },
       {
-        title: 'alter drop index or key',
+        title: 'alter drop index',
         sql: [
           'ALTER TABLE table_name DROP INDEX index_name',
           'ALTER TABLE `table_name` DROP INDEX index_name'
         ]
       },
+      {
+        title: 'alter drop key',
+        sql: [
+          'ALTER TABLE table_name DROP key `key_name`',
+          'ALTER TABLE `table_name` DROP KEY `key_name`'
+        ]
+      },
     ]
     SQL_LIST.forEach(sqlInfo => {
       const { title, sql } = sqlInfo