From 496b3cbde942acf13d507b0eef3c693d04a0e3f3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=AE=87=E5=A4=A9?= <yutent@doui.cc>
Date: Mon, 23 Sep 2019 16:17:25 +0800
Subject: [PATCH] =?UTF-8?q?=E4=B8=80=E6=B3=A2=E4=BC=98=E5=8C=96?=
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---
 History.md    | 3 ++-
 lib/api.js    | 2 +-
 lib/method.js | 2 +-
 package.json  | 2 +-
 4 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/History.md b/History.md
index c7976b1..5c3c715 100644
--- a/History.md
+++ b/History.md
@@ -1,4 +1,5 @@
-# 3.0.9 / 2019-09-23
+# 3.0.10 / 2019-09-23
+* 优化数据库/表的删除判断;
 * 优化创建数据库/表时的默认配置顶;
 * 优化字段的默认值0的判断
 
diff --git a/lib/api.js b/lib/api.js
index 10b6285..1c24f04 100644
--- a/lib/api.js
+++ b/lib/api.js
@@ -79,7 +79,7 @@ class Api {
     let defer = Promise.defer()
 
     this.connect().then(conn => {
-      conn.query(`DROP DATABASE ${db || this.db}`, (err, result) => {
+      conn.query(`DROP DATABASE IF EXISTS \`${db || this.db}\``, err => {
         conn.release()
         if (err) {
           return defer.reject(new SqlErr(`Drop database ${err}`))
diff --git a/lib/method.js b/lib/method.js
index a8fd1bd..b3c9948 100644
--- a/lib/method.js
+++ b/lib/method.js
@@ -302,7 +302,7 @@ class Method {
   }
 
   drop() {
-    let sql = `DROP TABLE ${this.cache.table} `
+    let sql = `DROP TABLE IF EXISTS \`${this.cache.table}\` `
 
     return this.connect().then(conn => {
       const defer = Promise.defer()
diff --git a/package.json b/package.json
index 4223421..ceb43f2 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "mysqli",
-  "version": "3.0.9",
+  "version": "3.0.10",
   "description": "MySQL tool",
   "main": "index.js",
   "dependencies": {