# EL8安装光盘AppSteam里自带有10.x 版本的软件包 # postgresql-setup --initdb --unit postgresql # systemctl enable postgresql # systemctl start postgresql 如果想安装其他版本，可到官网查询安装方法 h�ps://www.postgresql.o org/download/linux/redhat/ 本文档选择PG-13版本作为讲解，使用el8系列的系统，x86_64平台 # yum install -y h�ps://download.postgresql.org/pub/repos/yum/reporpms/EL-8-x86_64/pgdg-redhat- repo-latest.noarch.rpm #或者直接创建repo文件，内容如下 postgresql-13 ★第2章、设置数据存储路径 PostgreSQL 初始化数据库之后， 10版本的默认的数据目录是/var/lib/pgsql/ 13版本的默认的数据目录是/var/lib/pgsql/13/ 现在想修改为/data_pg/ 目录 ★PG-13版本 # systemctl stop postgresql-13 #先停止服务

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...............1157 43. PL/Python - Python Procedural Language.............................................................................1158 43.1. Python 2 vs. Python 3........................... .....................................................................1158 43.2. PL/Python Functions .................................................................................................1159 Context Managers ................................................................1171 43.8.2. Older Python Versions ..................................................................................1172

...................1089 43. PL/Python - Python Procedural Language......................................................................1090 43.1. Python 2 vs. Python 3.............................. ...........................................................1090 43.2. PL/Python Functions ..........................................................................................1091 43.3. Data Values Subtransaction Context Managers .........................................................1102 43.8.2. Older Python Versions ...........................................................................1103 43.9. Utility

...............1080 42. PL/Python - Python Procedural Language.............................................................................1081 42.1. Python 2 vs. Python 3........................... .....................................................................1081 42.2. PL/Python Functions .................................................................................................1082 Context Managers ................................................................1092 42.8.2. Older Python Versions ..................................................................................1093

...................1019 42. PL/Python - Python Procedural Language......................................................................1020 42.1. Python 2 vs. Python 3.............................. ...........................................................1020 42.2. PL/Python Functions ..........................................................................................1021 42.3. Data Values Subtransaction Context Managers .........................................................1031 42.8.2. Older Python Versions ...........................................................................1031 42.9. Utility

...............1122 42. PL/Python - Python Procedural Language.............................................................................1123 42.1. Python 2 vs. Python 3........................... .....................................................................1123 42.2. PL/Python Functions .................................................................................................1124 Context Managers ................................................................1136 42.8.2. Older Python Versions ..................................................................................1137

...................1055 42. PL/Python - Python Procedural Language......................................................................1056 42.1. Python 2 vs. Python 3.............................. ...........................................................1056 42.2. PL/Python Functions ..........................................................................................1057 42.3. Data Values Subtransaction Context Managers .........................................................1068 42.8.2. Older Python Versions ...........................................................................1069 42.9. Utility

................966 42. PL/Python - Python Procedural Language...............................................................................967 42.1. Python 2 vs. Python 3.......................... ........................................................................967 42.2. PL/Python Functions .................................................................................................. 7.2. PL/Perl Server-Side Language ............................................1869 E.23.3.7.3. PL/Python Server-Side Language .......................................1870 E.23.3.8. Client Applications