Hello all,
I am getting a syntax error near open cursor,
can anybody please point me what is missing. i am
using Postgresql 8.2
CREATE OR REPLACE FUNCTION
sp_gen_foreign_keys_tables(OUT par_result integer, OUT
par_childtables text, IN par_colname character varying
, IN par_colvalue integer) AS
$BODY$
DECLARE
tablename varchar(300);
columnname varchar(300);
countno integer;
curfroeign cursor (columnname varchar(300)) is select
distinct(fk_relation),fk_column from foreign_keys
where pk_relation in (select pk_relation from
foreign_keys where pk_column=columnname);
var_str1 varchar(300);
BEGIN
open curforeign(par_colname);
FETCH curforeign INTO tablename,columnname;
var_str1:='select count(*) into'||countno||'from'
||tablename || 'where' ||columnname||'='||parcolvalue;
execute var_str1;
if countno >0 then
par_childtables:=par_childtables || ',' ||tablename;
endif ;
close curfroeign ;
END;
$BODY$
LANGUAGE 'plpgsql' VOLATILE;
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