校验 plpython.sgml:

- 校对完成 待合并

Author: linjialiang

postgresql/doc/src/sgml/plpython.sgml

@@ -117,9 +117,9 @@ ________________________________________________________-->
 
 <programlisting>
 CREATE FUNCTION <replaceable>funcname</replaceable> (<replaceable>argument-list</replaceable>)
-  返回 <replaceable>return-type</replaceable>
+  RETURNS <replaceable>return-type</replaceable>
 AS $$
-  # PL/Python函数体
+  # PL/Python function body
 $$ LANGUAGE plpython3u;
 </programlisting>
   </para>
@@ -929,7 +929,7 @@ AS $$
       self.value = v
   return named_value(name, value)
 
-  # 或者简单地
+  # or simply
   class nv: pass
   nv.name = name
   nv.value = value
@@ -1104,8 +1104,8 @@ CREATE TYPE greeting AS (
 CREATE FUNCTION greet (how text)
   RETURNS SETOF greeting
 AS $$
-  # 返回包含列表的元组作为复合类型
-  # 所有其他组合也可以工作
+  # return tuple containing lists as composite types
+  # all other combinations work also
   return ( [ how, "World" ], [ how, "PostgreSQL" ], [ how, "PL/Python" ] )
 $$ LANGUAGE plpython3u;
 </programlisting>
@@ -1257,7 +1257,7 @@ ________________________________________________________-->
 
 <programlisting>
 DO $$
-    # PL/Python 代码
+    # PL/Python code
 $$ LANGUAGE plpython3u;
 </programlisting>
 
@@ -2078,13 +2078,13 @@ try:
     plan = plpy.prepare("INSERT INTO fractions (frac) VALUES ($1 / $2)", ["int", "int"])
     plpy.execute(plan, [numerator, denominator])
 except spiexceptions.DivisionByZero:
-    return "分母不能为零"
+    return "denominator cannot equal zero"
 except spiexceptions.UniqueViolation:
-    return "已经有该分数"
+    return "already have that fraction"
 except plpy.SPIError as e:
-    return "其他错误，SQLSTATE %s" % e.sqlstate
+    return "other error, SQLSTATE %s" % e.sqlstate
 else:
-    return "插入分数"
+    return "fraction inserted"
 $$ LANGUAGE plpython3u;
 </programlisting>
     请注意，由于<literal>plpy.spiexceptions</literal>模块中的所有异常都继承自<literal>SPIError</literal>，