libpq专题

Postgresql源码(117)libpq的两套实现(socket/shm_mq)

libpq的通信方式 libpq提供了两套通信方式 socketshm_mq 分别实现在下面两个文件中 pqcomm.cpqmq.c 什么时候用socket通信? 除了下述并行场景,其他场景全部使用socket通信。 static const PQcommMethods PqCommSocketMethods = {.comm_reset = socket_comm_reset,.f

安装pg_rman是出现libpq.so.5()(64bit) is needed by ...

[root@node2 tmp]#rpm -ivh pg_rman-1.3.3-1.pg96.rhel6.x86_64.rpm error: Failed dependencies:libpq.so.5()(64bit) is needed by pg_rman-1.3.3-1.pg96.rhel6.x86_64postgresql96-libs is needed by pg_rman-1.3