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(dot)hsien(dot)wen(at)gmail(dot)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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