create or replace function getlong( p_tname in varchar2,
p_cname in varchar2,
p_rowid in rowid ) return varchar2
as
l_cursor integer default dbms_sql.open_cursor;
l_n number;
l_long_val varchar2(4000);
l_long_len number;
l_buflen number := 4000;
l_curpos number := 0;
begin
dbms_sql.parse( l_cursor,
'select ' || p_cname || ' from ' || p_tname ||
' where rowid = :x',
dbms_sql.native );
dbms_sql.bind_variable( l_cursor, ':x', p_rowid );

dbms_sql.define_column_long(l_cursor, 1);
l_n := dbms_sql.execute(l_cursor);

if (dbms_sql.fetch_rows(l_cursor)>0)
then
dbms_sql.column_value_long(l_cursor, 1, l_buflen, l_curpos ,
l_long_val, l_long_len );
end if;
dbms_sql.close_cursor(l_cursor);
return l_long_val;
end getlong;

SELECT SQLID, GETLONG('PSSQLTEXTDEFN' ,'SQLTEXT',rowid) FROM PSSQLTEXTDEFN

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