Q: ecpg and UPDATE/DELETE ... RETURNING ... for multiple returned rows - Mailing list pgsql-general

From Enke, Dr., Michael
Subject Q: ecpg and UPDATE/DELETE ... RETURNING ... for multiple returned rows
Date
Msg-id D0705BB737A20D4EA166124FF1BA8C63BCBD01F5D6@DEEXVS61.wincor-nixdorf.com
Whole thread Raw
List pgsql-general

Hello experts,

I try to do an update together with a RETURNING clause but without success (postgresql 9.1 on CentOS 6.2),

the returned data can be multiple rows (not only one row expected like in src/interfaces/ecpg/test/sql/insupd.pgc):

 

1:

EXEC SQL DECLARE cur CURSOR FOR UPDATE t set a=0 where a=3 RETURNING b;

This fails (ecpg fails) with: ERROR: syntax error at or near "t”

 

2:

char *stmt = “UPDATE t set a=0 where a=3 RETURNING b”

EXEC SQL PREPARE stmt1 FROM :stmt;

EXEC SQL DECLARE cur CURSOR FOR stmt1;

This fails (sql fails in the server) with: syntax error at or near "UPDATE" at character 24

 

What is the proper way to do that in pgc or is this not possible?

 

Kind regards,

Michael

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