postgres 编译安装

1. 下载源码： PostgreSQL: File Browser

2. 编译 debug 版本：

./configure --enable-cassert --enable-debug CFLAGS="-ggdb -O0 -g3 -fno-omit-frame-pointer"

make && make install

3.  添加 postgres 用户：

adduser postgres
mkdir /usr/local/pgsql/data
chown postgres /usr/local/pgsql/data
su - postgres

4. 启动 postgres 程序，初始化数据库，并且登录：

/usr/local/pgsql/bin/initdb -D /usr/local/pgsql/data
/usr/local/pgsql/bin/pg_ctl -D /usr/local/pgsql/data -l logfile start
/usr/local/pgsql/bin/createdb test
/usr/local/pgsql/bin/psql test

psql (13.3)
Type "help" for help.

test=# select pg_backend_pid()
test-# ;
 pg_backend_pid 
----------------
          24184
(1 row)

test=# \q

5. 关于如何登录，可以通过 psql --help 查看选项，例如 ：

General options:
  -c, --command=COMMAND    run only single command (SQL or internal) and exit
  -d, --dbname=DBNAME      database name to connect to (default: "key")
  -f, --file=FILENAME      execute commands from file, then exit