From 1b739472e6a80e310efd2e76e74a4f7f6f6329ff Mon Sep 17 00:00:00 2001
From: Kiritow <1362050620@qq.com>
Date: Sun, 17 Sep 2017 21:17:08 +0800
Subject: [PATCH] =?UTF-8?q?=E6=9B=B4=E6=96=B0=20'3.4.cpp'?=
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---
 3.4.cpp | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/3.4.cpp b/3.4.cpp
index fc26882..a35e71f 100644
--- a/3.4.cpp
+++ b/3.4.cpp
@@ -51,6 +51,24 @@ int main()
                               });
               });
 
+    conn.exec("use bigdata2",nullptr);
+    conn.exec("select title,count(*) from pages where title like '%大数据%' group by title",[&](MySQLResult& res)
+              {
+                  res.stepRow([&](char** val,unsigned long* len)
+                              {
+                                  string title(val[0]);
+                                  auto iter=mp.find(Trim(title));
+                                  if(iter!=mp.end())
+                                  {
+                                      iter->second += ParseInt(val[1]);
+                                  }
+                                  else
+                                  {
+                                      mp.insert(make_pair(Trim(title),ParseInt(val[1])));
+                                  }
+                              });
+              });
+
 
     vector<pair<string,int>> vec;
     for(const auto& pr:mp)
@@ -65,6 +83,7 @@ int main()
 
     ofstream ofs("result/3.4.csv");
     #define cout ofs
+    cout<<"职位,需求量"<<endl;
     int szVec=vec.size();
     int maxLoop=min(szVec,10);
     for(int i=0;i<maxLoop;i++)