mysql多线程的支持问题

eveson

创建了100个线程，100个数据库连接，每个线程有一个数据库连接，同时操作数据库，这样就coredump了

1. #0  0x000000000041d5ee in mysql_send_query (mysql=0x41e95c98, query=0x43c98cf0 "select * from T_Test", length=20)
   
2.     at /export/home/pb2/build/sb_0-13191046-1410444393.17/rpm/BUILD/mysql-5.6.21/mysql-5.6.21/sql-common/client.c:4168
   
3. #1  0x000000000041d611 in mysql_real_query (mysql=0x41e95c98, query=0x3 <Address 0x3 out of bounds>, length=0)
   
4.     at /export/home/pb2/build/sb_0-13191046-1410444393.17/rpm/BUILD/mysql-5.6.21/mysql-5.6.21/sql-common/client.c:4180
   
5. #2  0x0000000000413ea7 in DBConPool_ExecuteSql (pConHandle=0x41e95c98, pSql=0x43c98cf0 "select * from T_Test", pRes=0x43c990f0)
   
6.     at ../../DBConnectionPool/src/DBConPool.c:326
   
7. #3  0x000000000040dbc0 in DBConPoolTestThread (arg=0x0) at ../../TDBConPool/src/TDBConPool.c:197
   
8. #4  0x0000003445a064a7 in start_thread () from /lib64/libpthread.so.0
   
9. #5  0x0000003444ed3c2d in clone () from /lib64/libc.so.6

复制代码

eveson

可以支持了，数据库连接池搞定。