The documentation says (also in v8.5) "These symbols refer to values supplied in the USING clause". "values"and not "variable name or reference". This leads to the useful feature mentioned a line later in the same page. Once you have a value replaced you can avoid the restrictions you now mention on v8.5.
What's the right place to submit proposals? Il giorno 14 gen, 2010 7:42 m., "Tom Lane" <t...@sss.pgh.pa.us> ha scritto: Scott Mead <scott.li...@enterprisedb.com> writes: > Well it is in 8.5 Devel, so it could have bee... The particular paragraph mentioned was committed here http://archives.postgresql.org/pgsql-committers/2009-11/msg00094.php but as you note it was just a relocation of a comment that appeared elsewhere for at least two years before that (and even then, it was just documenting behavior that had existed since day one). regards, tom lane