Re: Invalid statement name (null) in line ## - what am I doing wrong ?

can we see the original statement ?

can you combine the 2 statements to produce the necessary cursor
OPEN curs1 FOR EXECUTE 'SELECT * FROM ' || quote_ident($1);http://www.postgresql.org/docs/8.1/interactive/plpgsql-cursors.html

takk
Martin
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> Date: Fri, 19 Jun 2009 03:08:35 +0200
> From: leif(at)crysberg(dot)dk
> To: pgsql-general(at)postgresql(dot)org
> Subject: [GENERAL] Invalid statement name (null) in line ## - what am I doing wrong ?
>
> Hi,
>
> I have a problem when upgrading from 8.2.4 to 8.3/8.4 using ecpg with a prepare statement:
>
> EXEC SQL PREPARE execquery FROM :stmt; line = __LINE__;
> EXEC SQL AT :_thisDbConn DECLARE execcurs CURSOR FOR execquery; line = __LINE__;
> EXEC SQL AT :_thisDbConn OPEN execcurs; line = __LINE__;
> EXEC SQL ALLOCATE DESCRIPTOR execdesc; line = __LINE__;
>
> I get an "SQL error: invalid statement name "(null)" on line ##" (3rd line above) on the OPEN cursor statement. I have been digging a little in the ecpg output and noticed that the format of the ECPGprepare() function call has changed between 8.2.4 and 8.3++. Also the ecpg library has changed version libecpg.so.5 -> libecpg.so.6.
>
> I am compiling my program on an (older) system with 8.2.4 installed and I need have my program running on a production system running 8.3.5 or higher. This seems to work fine, but for other reasons I wanted to upgrade my "compile system" with 8.3.5 and this started to give me the error mentioned above.
>
> An ldd on the program gives:
>
> libecpg.so.6 => /usr/local/Packages/pgsql-8.3.5/lib/libecpg.so.6 (0xb7ed8000)
> libpq.so.5 => /usr/local/Packages/pgsql-8.3.5/lib/libpq.so.5 (0xb7ebc000)
>
> which looks to be ok. (The 8.2.4 compiled program was using libecpg.so.5.)
>
> It seems to me that somehow the prepare statement (first line above) is compiled into a ECPGprepare() call with 5 parameters, but using a library function with only 3 parameters, even though it points to the libecpg.so.6, which includes code having the 5 parameter ECPGprepare() function.
>
> All PostgreSQL systems are natively installed from source on the various systems, i.e. compiled individually on each system. All my systems are running Linux, but with different versions of Linux.
>
> I have also tried the very newest version 8.4rc1, but with same result, the error above.
>
> Please help,
>
> Leif
>
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