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上车！GBase 8a开发者联盟发车了 技术福利、人脉资源全都有！

认证培训专区

认证培训资料

GBase 8s GDCA 认证培训课前准备

GBase 8a

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物化视图报错：references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them

01-GBase 8s 事务型数据库 安装与卸载

GBase 8s

适配迁移

[GBase 8s 教程]GBase 8s 常用函数、表达式

PG_NODE_ENV视图提供获取当前节点的环境变量信息。<figure class="table" style="width:99.9600%;"><table style=";"><tbody><tr><td style="background-color:rgb(215, 215, 215);border:1.0000pt solid windowtext;padding:6.0000pt 9.0000pt;vertical-align:top;width:24.3600%;">名称</td><td style="background-color:rgb(215, 215, 215);border:1.0000pt solid windowtext;padding:6.0000pt 9.0000pt;vertical-align:top;width:19.6600%;">类型</td><td style="background-color:rgb(215, 215, 215);border:1.0000pt solid windowtext;padding:6.0000pt 9.0000pt;vertical-align:top;width:55.9600%;">描述</td></tr><tr><td style="border-bottom:1.0000pt solid windowtext;border-left:1.0000pt solid windowtext;border-right:1.0000pt solid windowtext;border-top-style:none;padding:6.0000pt 9.0000pt;vertical-align:top;width:24.3600%;">node_name</td><td style="border-bottom:1.0000pt solid windowtext;border-left:1.0000pt solid windowtext;border-right:1.0000pt solid windowtext;border-top-style:none;padding:6.0000pt 9.0000pt;vertical-align:top;width:19.6600%;">text</td><td style="border-bottom:1.0000pt solid windowtext;border-left:1.0000pt solid windowtext;border-right:1.0000pt solid windowtext;border-top-style:none;padding:6.0000pt 9.0000pt;vertical-align:top;width:55.9600%;">当前节点的名称。</td></tr><tr><td style="border-bottom:1.0000pt solid windowtext;border-left:1.0000pt solid windowtext;border-right:1.0000pt solid windowtext;border-top-style:none;padding:6.0000pt 9.0000pt;vertical-align:top;width:24.3600%;">host</td><td style="border-bottom:1.0000pt solid windowtext;border-left:1.0000pt solid windowtext;border-right:1.0000pt solid windowtext;border-top-style:none;padding:6.0000pt 9.0000pt;vertical-align:top;width:19.6600%;">text</td><td style="border-bottom:1.0000pt solid windowtext;border-left:1.0000pt solid windowtext;border-right:1.0000pt solid windowtext;border-top-style:none;padding:6.0000pt 9.0000pt;vertical-align:top;width:55.9600%;">当前节点的主机名称。</td></tr><tr><td style="border-bottom:1.0000pt solid windowtext;border-left:1.0000pt solid windowtext;border-right:1.0000pt solid windowtext;border-top-style:none;padding:6.0000pt 9.0000pt;vertical-align:top;width:24.3600%;">process</td><td style="border-bottom:1.0000pt solid windowtext;border-left:1.0000pt solid windowtext;border-right:1.0000pt solid windowtext;border-top-style:none;padding:6.0000pt 9.0000pt;vertical-align:top;width:19.6600%;">integer</td><td style="border-bottom:1.0000pt solid windowtext;border-left:1.0000pt solid windowtext;border-right:1.0000pt solid windowtext;border-top-style:none;padding:6.0000pt 9.0000pt;vertical-align:top;width:55.9600%;">当前节点的进程号。</td></tr><tr><td style="border-bottom:1.0000pt solid windowtext;border-left:1.0000pt solid windowtext;border-right:1.0000pt solid windowtext;border-top-style:none;padding:6.0000pt 9.0000pt;vertical-align:top;width:24.3600%;">port</td><td style="border-bottom:1.0000pt solid windowtext;border-left:1.0000pt solid windowtext;border-right:1.0000pt solid windowtext;border-top-style:none;padding:6.0000pt 9.0000pt;vertical-align:top;width:19.6600%;">integer</td><td style="border-bottom:1.0000pt solid windowtext;border-left:1.0000pt solid windowtext;border-right:1.0000pt solid windowtext;border-top-style:none;padding:6.0000pt 9.0000pt;vertical-align:top;width:55.9600%;">当前节点的端口号。</td></tr><tr><td style="border-bottom:1.0000pt solid windowtext;border-left:1.0000pt solid windowtext;border-right:1.0000pt solid windowtext;border-top-style:none;padding:6.0000pt 9.0000pt;vertical-align:top;width:24.3600%;">installpath</td><td style="border-bottom:1.0000pt solid windowtext;border-left:1.0000pt solid windowtext;border-right:1.0000pt solid windowtext;border-top-style:none;padding:6.0000pt 9.0000pt;vertical-align:top;width:19.6600%;">text</td><td style="border-bottom:1.0000pt solid windowtext;border-left:1.0000pt solid windowtext;border-right:1.0000pt solid windowtext;border-top-style:none;padding:6.0000pt 9.0000pt;vertical-align:top;width:55.9600%;">当前节点的安装目录。</td></tr><tr><td style="border-bottom:1.0000pt solid windowtext;border-left:1.0000pt solid windowtext;border-right:1.0000pt solid windowtext;border-top-style:none;padding:6.0000pt 9.0000pt;vertical-align:top;width:24.3600%;">datapath</td><td style="border-bottom:1.0000pt solid windowtext;border-left:1.0000pt solid windowtext;border-right:1.0000pt solid windowtext;border-top-style:none;padding:6.0000pt 9.0000pt;vertical-align:top;width:19.6600%;">text</td><td style="border-bottom:1.0000pt solid windowtext;border-left:1.0000pt solid windowtext;border-right:1.0000pt solid windowtext;border-top-style:none;padding:6.0000pt 9.0000pt;vertical-align:top;width:55.9600%;">当前节点的数据目录。</td></tr><tr><td style="border-bottom:1.0000pt solid windowtext;border-left:1.0000pt solid windowtext;border-right:1.0000pt solid windowtext;border-top-style:none;padding:6.0000pt 9.0000pt;vertical-align:top;width:24.3600%;">log_directory</td><td style="border-bottom:1.0000pt solid windowtext;border-left:1.0000pt solid windowtext;border-right:1.0000pt solid windowtext;border-top-style:none;padding:6.0000pt 9.0000pt;vertical-align:top;width:19.6600%;">text</td><td style="border-bottom:1.0000pt solid windowtext;border-left:1.0000pt solid windowtext;border-right:1.0000pt solid windowtext;border-top-style:none;padding:6.0000pt 9.0000pt;vertical-align:top;width:55.9600%;">当前节点的日志目录。</td></tr></tbody></table></figure>

GBase 8c

PG_NODE_ENV系统视图说明

名称	类型	描述
node_name	text	当前节点的名称。
host	text	当前节点的主机名称。
process	integer	当前节点的进程号。
port	integer	当前节点的端口号。
installpath	text	当前节点的安装目录。
datapath	text	当前节点的数据目录。
log_directory	text	当前节点的日志目录。

PG_NODE_ENV系统视图说明

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