校验 bgworker.sgml 完成

- sig_en=a643f23f8ef6ecd4644e13d51f866556 一处AI未翻译

Author: linjialiang

postgresql/doc/src/sgml/bgworker.sgml

@@ -179,16 +179,15 @@ ________________________________________________________-->
   </para>
 ________________________________________________________-->
   <para>
-   <structfield>bgw_flags</structfield> is a bitwise-or'd bit mask indicating the
-   capabilities that the module wants.  Possible values are:
+   <structfield>bgw_flags</structfield> 是一个按位或位掩码，表示模块所需的功能。可能的值有：
    <variablelist>
 
     <varlistentry>
      <term><literal>BGWORKER_SHMEM_ACCESS</literal></term>
      <listitem>
       <para>
        <indexterm><primary>BGWORKER_SHMEM_ACCESS</primary></indexterm>
-       Requests shared memory access.  This flag is required.
+        请求共享内存访问。 此标志是必需的。
       </para>
      </listitem>
     </varlistentry>
@@ -198,11 +197,9 @@ ________________________________________________________-->
      <listitem>
       <para>
        <indexterm><primary>BGWORKER_BACKEND_&zwsp;DATABASE_CONNECTION</primary></indexterm>
-       Requests the ability to establish a database connection through which it
-       can later run transactions and queries.  A background worker using
-       <literal>BGWORKER_BACKEND_DATABASE_CONNECTION</literal> to connect to a
-       database must also attach shared memory using
-       <literal>BGWORKER_SHMEM_ACCESS</literal>, or worker start-up will fail.
+       请求建立数据库连接的能力，以便稍后运行事务和查询。
+       使用<literal>BGWORKER_BACKEND_DATABASE_CONNECTION</literal>连接到数据库的后台工作进程，还必须使用
+       <literal>BGWORKER_SHMEM_ACCESS</literal>附加共享内存，否则工作进程启动将失败。
       </para>
      </listitem>
     </varlistentry>