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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_TS_PARSER系统表包含定义文本解析器的记录。解析器负责分裂输入文本为词位，并且为每个词位分配标记类型。新解析器必须由数据库系统管理员创建。<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:18.6000%;">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:11.6400%;">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:27.0600%;">引用</td><td style="background-color:rgb(215, 215, 215);border:1.0000pt solid windowtext;padding:6.0000pt 9.0000pt;vertical-align:top;width:42.6600%;">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:18.6000%;">oid</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:11.6400%;">oid</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:27.0600%;">-</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:42.6600%;">行标识符（隐含属性，必须明确选择）。</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:18.6000%;">prsname</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:11.6400%;">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:27.0600%;">-</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:42.6600%;">文本搜索解析器名。</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:18.6000%;">prsnamespace</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:11.6400%;">oid</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:27.0600%;">PG_NAMESPACE.oid</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:42.6600%;">包含这个解析器的名称空间的OID。</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:18.6000%;">prsstart</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:11.6400%;">regproc</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:27.0600%;">PG_PROC.proname</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:42.6600%;">解析器的启动函数名。</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:18.6000%;">prstoken</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:11.6400%;">regproc</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:27.0600%;">PG_PROC.proname</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:42.6600%;">解析器的下一个标记函数名。</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:18.6000%;">prsend</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:11.6400%;">regproc</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:27.0600%;">PG_PROC.proname</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:42.6600%;">解析器的关闭函数名。</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:18.6000%;">prsheadline</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:11.6400%;">regproc</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:27.0600%;">PG_PROC.proname</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:42.6600%;">解析器的标题函数名。</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:18.6000%;">prslextype</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:11.6400%;">regproc</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:27.0600%;">PG_PROC.proname</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:42.6600%;">解析器的lextype函数名。</td></tr></tbody></table></figure>

GBase 8c

PG_TS_PARSER系统表介绍

名称	类型	引用	描述
oid	oid	-	行标识符（隐含属性，必须明确选择）。
prsname	name	-	文本搜索解析器名。
prsnamespace	oid	PG_NAMESPACE.oid	包含这个解析器的名称空间的OID。
prsstart	regproc	PG_PROC.proname	解析器的启动函数名。
prstoken	regproc	PG_PROC.proname	解析器的下一个标记函数名。
prsend	regproc	PG_PROC.proname	解析器的关闭函数名。
prsheadline	regproc	PG_PROC.proname	解析器的标题函数名。
prslextype	regproc	PG_PROC.proname	解析器的lextype函数名。

PG_TS_PARSER系统表介绍

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