fix the bug create space on group

src/parser/AdminSentences.h

@@ -325,6 +325,10 @@ class CreateSpaceSentence final : public CreateSentence {
         return spaceName_.get();
     }
 
+    const std::string* groupName() const {
+        return groupName_.get();
+    }
+
     void setOpts(SpaceOptList* spaceOpts) {
         spaceOpts_.reset(spaceOpts);
     }
@@ -333,10 +337,6 @@ class CreateSpaceSentence final : public CreateSentence {
         groupName_.reset(name);
     }
 
-    const std::string* groupName() const {
-        return groupName_.get();
-    }
-
     const SpaceOptList* spaceOpts() const {
         return spaceOpts_.get();
     }

src/validator/AdminValidator.cpp

@@ -24,6 +24,9 @@ Status CreateSpaceValidator::validateImpl() {
     ifNotExist_ = sentence->isIfNotExist();
     auto status = Status::OK();
     spaceDesc_.set_space_name(std::move(*(sentence->spaceName())));
+    if (sentence->groupName()) {
+        spaceDesc_.set_group_name(std::move(*(sentence->groupName())));
+    }
     StatusOr<std::string> retStatusOr;
     std::string result;
     auto* charsetInfo = qctx_->getCharsetInfo();