2015-09-08 14:06 GMT+02:00 Robert Haas <robertmh...@gmail.com>: > On Fri, Sep 4, 2015 at 12:24 AM, Pavel Stehule <pavel.steh...@gmail.com> > wrote: > > The alghoritm for parsing identifiers is same - the differences are in a > > names of levels, and in ending symbols. > > > > I don't would to write totally generic parser - more without access to > > system catalog or without external hint, you cannot to decide if > identifier > > is schema.table or table.column. But the rules for parsing is exactly > same. > > > > The function can be redesigned little bit: > > > > FUNCTION parse_ident(OUT level1 text,OUT level2 text,OUT level3 text,OUT > > specific text) > > > > so it can parse function myschema.myfunc(xx int) > > > > level1: NULL > > level2: myschema > > level3: myfunc > > specific: (xx int) > > > > Is it acceptable? > > Well, *I* think that would be useful. I'm not sure it belongs in > core, but useful? Yeah, definitely. I would probably make it text[] > rather than level1, level2, level3, though. >
Returning a array is a good idea. Pavel > > -- > Robert Haas > EnterpriseDB: http://www.enterprisedb.com > The Enterprise PostgreSQL Company >