摘要:
可以说,postmaster是PostgreSQL服务器端的总代理了。通过它,把客户端的请求转给新生成的postgres 进程。postmaster.c 的代码注释中有如下的描述:When a request message is received, we now fork() immediately.The child process performs authentication of the request, and then becomes a backend if successful.This allows the auth code to be written in a s... 阅读全文
摘要:
PostgreSQL的configure 脚本中有如下代码:if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then emulate sh NULLCMD=: # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which # is contrary to our usage. Disable this feature. alias -g '${1+"$@& 阅读全文
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磨砺技术珠矶,践行数据之道,追求卓越价值 回到上一级页面:PostgreSQL内部结构与源代码研究索引页 回到顶级页面:PostgreSQL索引页 [作者:高健@博客园 luckyjackgao@gmail.com] PostgreSQL中,configure中第一段是如下的代码: if test 阅读全文
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磨砺技术珠矶,践行数据之道,追求卓越价值 回到上一级页面:PostgreSQL杂记页 回到顶级页面:PostgreSQL索引页作者:高健@博客园 luckyjackgao@gmail.comPostgreSQL的configure 脚本中有:if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then emulate sh NULLCMD=: # Pre-4.2 versions of Zsh do word splitting on ${1+"$@& 阅读全文