Merge branch 'branch-0.4.0' into 'branch-0.4.0'

update mysql meta test

See merge request megasearch/milvus!541

Former-commit-id: 6f60ddc4d0bb7ebc740387865ede33728dda4f6c

cpp/src/db/meta/MySQLMetaImpl.h

@@ -53,7 +53,7 @@ class MySQLMetaImpl : public Meta {
 
     Status UpdateTableIndex(const std::string &table_id, const TableIndex& index) override;
 
-    Status UpdateTableFlag(const std::string &table_id, int64_t flag);
+    Status UpdateTableFlag(const std::string &table_id, int64_t flag) override;
 
     Status DescribeTableIndex(const std::string &table_id, TableIndex& index) override;
 

cpp/unittest/db/mysql_meta_test.cpp

@@ -351,7 +351,7 @@ TEST_F(MySqlMetaTest, TABLE_FILES_TEST) {
     status = impl_->DeleteTable(table_id);
     ASSERT_TRUE(status.ok());
 
-    status = impl_->CleanUpFilesWithTTL(1UL);
+    status = impl_->CleanUpFilesWithTTL(0UL);
     ASSERT_TRUE(status.ok());
 }