Re: Question about odbc link to Oracle database from PostgreSQL

hello ...

oh, it seems you did not get that one:

select * FROM odbclink.query(1, 'SELECT * FROM test') as result(user_name text,score number);

give it a try ;).

    hans



On May 11, 2011, at 12:24 PM, Hsien-Wen Chu wrote:

> Hi Hans
>
> many thanks for the answer,
>
> my table structure on Oracle,   but I still get error as following,
> Please could show me the correct SQL statement?
>
>
>
> many many thanks
>
> Hsien-Wen
>
>
> SQL> desc test;
> Name                                      Null?    Type
> ----------------------------------------- -------- ----------------------------
> USER_NAME                                          VARCHAR2(20)
> SCORE                                              NUMBER
>
> SQL>
>
>
>
>
>
>
>
> tora=#  select odbclink.query(1, 'SELECT USER_NAME,SCORE from test')
> as result(id int4, USER_NAME text, SCORE decimal);
> ERROR:  syntax error at or near "("
> LINE 1: ...y(1, 'SELECT USER_NAME,SCORE from test') as result(id int4, ...
>                                                             ^
> tora=# select odbclink.query(1, 'SELECT USER_NAME,SCORE from test') as
> result(USER_NAME text, SCORE decimal);
> ERROR:  syntax error at or near "("
> LINE 1: ...y(1, 'SELECT USER_NAME,SCORE from test') as result(USER_NAME...
>                                                             ^
>
>
>
>
> 2011/5/11 Hsien-Wen Chu <chu.hsien.wen@gmail.com>:
>> Dear All
>>
>> I have a question regarding to odbc link,
>>
>>
>> I had a PostgreSQL database and an Oracle database, now I have created
>> a dblink to Oracle database base on odbc link.
>>
>>
>> in Oracle database, I created a user named ORATEST, and create a table
>> named TEST as ORATEST user.
>>
>> SQL> select user_name,score from test;
>>
>> USER_NAME                 SCORE
>> -------------------- ----------
>> kevin                    99
>> fred                         98
>>
>>
>>
>>
>>
>> now I have created the database link to Oracle database over odbc link
>> and get success.
>>
>>
>> tora=# select odbclink.connect('orcl', 'oratest', 'oratest');
>>  connect
>> ---------
>>       1
>> (1 row)
>>
>> tora=# select odbclink.connect('DSN=orcl;UID=oratest;PWD=oratest;');
>>  connect
>> ---------
>>       2
>> (1 row)
>>
>> tora=# select * from odbclink.connections();
>>  id | connected | dsn  | uid  | pwd  |           connstr
>> ----+-----------+------+------+------+-----------------------------
>>  1 | t         | orcl | oratest| oratest|
>>  2 | t         |      |      |      | DSN=orcl;UID=oratest;PWD=oratest;
>>  3 | f         |      |      |      |
>>  4 | f         |      |      |      |
>>
>>
>>
>>
>> but the problem is that I can not execute the SQL execute it.
>>
>> tora=# select odbclink.query(1, 'SELECT * FROM test') as
>> result(user_name text,score number);
>> ERROR:  syntax error at or near "("
>> LINE 1: ... odbclink.query(1, 'SELECT * FROM test') as result(user_name...
>>                                                             ^
>> tora=# select * odbclink.query(1, 'SELECT * FROM test') ;
>> ERROR:  syntax error at or near "odbclink"
>> LINE 1: select * odbclink.query(1, 'SELECT * FROM test') ;
>>                 ^
>> tora=# select * from odbclink.query(2,'SELECT SYSDATE FROM DUAL');
>> ERROR:  a column definition list is required for functions returning "record"
>> LINE 1: select * from odbclink.query(2,'SELECT SYSDATE FROM DUAL');
>>                      ^
>> tora=# select * from odbclink.query(1,'SELECT SYSDATE FROM DUAL');
>> ERROR:  a column definition list is required for functions returning "record"
>> LINE 1: select * from odbclink.query(1,'SELECT SYSDATE FROM DUAL');
>>                      ^
>> tora=#
>>
>>
>> does anyone mind to give me hint?
>>
>>
>> a big thanks
>>
>> Hsien-Wen
>>
>


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