From a8a1d3abcd1964e9fa0ea42fd93e45ab757680bf Mon Sep 17 00:00:00 2001
From: Xu Peng <xupeng3112@163.com>
Date: Thu, 18 Apr 2019 10:02:12 +0800
Subject: [PATCH] feat(db): impl has_group

Former-commit-id: 785fb73b07ef58017a6e1f04cd2f997f43f89b88
---
 cpp/src/db/DBMetaImpl.cpp | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/cpp/src/db/DBMetaImpl.cpp b/cpp/src/db/DBMetaImpl.cpp
index 055b9bab42..8c40f3421c 100644
--- a/cpp/src/db/DBMetaImpl.cpp
+++ b/cpp/src/db/DBMetaImpl.cpp
@@ -91,8 +91,15 @@ Status DBMetaImpl::get_group(GroupSchema& group_info) {
     return Status::OK();
 }
 
-Status DBMetaImpl::has_group(const std::string& group_id_, bool& has_or_not_) {
-    //PXU TODO
+Status DBMetaImpl::has_group(const std::string& group_id, bool& has_or_not) {
+    auto groups = ConnectorPtr->select(columns(&GroupSchema::id),
+                                      where(c(&GroupSchema::group_id) == group_id));
+    assert(groups.size() <= 1);
+    if (groups.size() == 1) {
+        has_or_not = true;
+    } else {
+        has_or_not = false;
+    }
     return Status::OK();
 }