change cmd to volatile ,maybe changed and can't see
Merge remote-tracking branch 'origin/master'
fixed：解析器切换不成功，两种解析器共享变量导致单元测试跑不通
Merge pull request #53 from wdw1206/master

fixed：解析器切换不成功，两种解析器共享变量导致单元测试跑不通
Mysql 连接同步优化，以及修改Timeout 超时的问题
Insert测试代码缺陷修复
Merge pull request #56 from opencloudb/master

Mysql 连接同步优化，以及修改Timeout
checkWriteBuffer可能分配不够的空间，存在潜在Bug
Merge pull request #57 from opencloudb/master

checkWriteBuffer可能分配不够的空间，存在潜在Bug
修复查询测试的代码，ID范围问题
Merge pull request #59 from opencloudb/master

修复查询测试的代码，ID范围问题
buffer size already checked in buffer pool
when rarely conditon ,write queue is empty and cur writing not finished
write header to buffer and not direct write bytes
and child log example
Volatile内部变量没有必要，因为一个线程操纵
Merge pull request #60 from opencloudb/master

Important bug fix
批量insert计算路由时，字符串的值多了单引号
Merge pull request #61 from wdw1206/master

批量insert计算路由时，字符串的值多了单引号
fixed a bug in PartitionByMurmurHash