There are two select statement with using Function chr(0), I don't know, are they both right ? I think that they are
inconsistent.
Thanks
[postgres@db2 ~]$ psql
Welcome to psql 8.1.3, the PostgreSQL interactive terminal.
Type: \copyright for distribution terms \h for help with SQL commands \? for help with psql commands \g
orterminate with semicolon to execute query \q to quit
postgres=# select 'abc' || chr(0) || 'abc' as col;col
-----abc
(1 row)
postgres=# select length('abc' || chr(0) || 'abc') as col; col
----- 7
(1 row)
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