Fix errcontext() function - Mailing list pgsql-hackers

From Chen Huajun
Subject Fix errcontext() function
Date
Msg-id 509B4A5E.7010307@cn.fujitsu.com
Whole thread Raw
Responses Re: Fix errcontext() function
List pgsql-hackers
Hello,

I am sending patch for errcontext() function.

I use procedural languages to do some operation, but when error occurs
,the CONTEXT error messages from procedural languages doesn't display in
local language.

for example:
--------------------------------------------------------
postgres=# CREATE OR REPLACE FUNCTION logfunc3 (logtxt text) RETURNS
timestamp AS $$
postgres$# BEGIN
postgres$# select * from db;
postgres$# RETURN 'now';
postgres$# END;
postgres$# $$ LANGUAGE plpgsql;
CREATE FUNCTION
postgres=# select logfunc3('test');
ERROR: リレーション"db"は存在しません
行 1: select * from db
QUERY: select * from db
CONTEXT: PL/pgSQL function "logfunc3" line 3 at SQL ステートメント
--------------------------------------------------------
but,“CONTEXT:  PL/pgSQL 関数 "logfunc3" の 3 行目の型 SQL ステートメント” is my expected.

There is the same problem in pl/perl and pl/python .

After checking and debuging the source code ,I found the reason.

The reason is that domian setted is wrong. For PL/pgSQL, domain "pgsql" should be setted, but domain setted is
"postgres". 

So  I considered to fix the bug by updating errcontext() funtion.

The patched portion is at src/include/utils/elog.h and
src/backend/utils/error/elog.c

I invite any ideas how to improve this patch.


Best Regards

Huajun Chen


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