fix(db): get group bug fix

Former-commit-id: 26769b5f33531210ab4a7810a1dbd6ed78310583

cpp/src/db/DBMetaImpl.cpp

@@ -118,7 +118,7 @@ Status DBMetaImpl::delete_group_partitions(const std::string& group_id,
         return status;
     }
 
-    auto yesterday = GetDate(-2);
+    auto yesterday = GetDateWithDelta(-2);
 
     for (auto& date : dates) {
         if (date >= yesterday) {

cpp/src/db/Meta.cpp

@@ -31,10 +31,14 @@ DateT Meta::GetDate(const std::time_t& t, int day_delta) {
     return ltm->tm_year*10000 + ltm->tm_mon*100 + ltm->tm_mday;
 }
 
-DateT Meta::GetDate(int day_delta) {
+DateT Meta::GetDateWithDelta(int day_delta) {
     return GetDate(std::time(nullptr), day_delta);
 }
 
+DateT Meta::GetDate() {
+    return GetDate(std::time(nullptr), 0);
+}
+
 } // namespace meta
 } // namespace engine
 } // namespace vecwise

cpp/src/db/Meta.h

@@ -100,8 +100,9 @@ public:
 
     virtual Status count(const std::string& group_id, long& result) = 0;
 
-    static DateT GetDate(const std::time_t& t, int day_delta);
-    static DateT GetDate(int day_delta = 0);
+    static DateT GetDate(const std::time_t& t, int day_delta = 0);
+    static DateT GetDate();
+    static DateT GetDateWithDelta(int day_delta);
 
 }; // MetaData