From 9ba28d41ca1433bc711201e958eff1de4a7137aa Mon Sep 17 00:00:00 2001
From: zhang2014 <coswde@gmail.com>
Date: Fri, 17 Jul 2020 19:00:34 +0800
Subject: [PATCH] ISSUES-4006 skip drop database query for materialize mysql
 engine

---
 src/Interpreters/MySQL/InterpretersMySQLDDLQuery.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/Interpreters/MySQL/InterpretersMySQLDDLQuery.cpp b/src/Interpreters/MySQL/InterpretersMySQLDDLQuery.cpp
index 527738d143f..b0b01a24e55 100644
--- a/src/Interpreters/MySQL/InterpretersMySQLDDLQuery.cpp
+++ b/src/Interpreters/MySQL/InterpretersMySQLDDLQuery.cpp
@@ -298,7 +298,8 @@ ASTPtr InterpreterDropImpl::getRewrittenQuery(
 {
     const auto & database_name = context.resolveDatabase(drop_query.database);
 
-    if (database_name != filter_mysql_db)
+    /// Skip drop databse|view|dictionary
+    if (database_name != filter_mysql_db || drop_query.table.empty() || drop_query.is_view || drop_query.is_dictionary)
         return {};
 
     ASTPtr rewritten_query = drop_query.clone();