On 4 July 2018 at 21:15, Tsunakawa, Takayuki <tsunakawa.ta...@jp.fujitsu.com > wrote:
> From: Craig Ringer [mailto:cr...@2ndquadrant.com] > > I'm assuming you don't want to offer a grant that lets anyone use them > for > > anything. But if you have a really broad grant to PostgreSQL, all someone > > would have to do to inherit the grant is re-use some part of PostgreSQL. > > Your assumption is right. No scope is the same as no patent; it won't > help to defend PostgreSQL community against rival companies/communities of > other DBMSs. Or, I think we can set the scope to what OIN states. > Fortunately, anyone can join OIN free of charge. > > > > I guess there's a middle ground somewhere that protects substantial > > derivatives and extracts but stops you using some Pg code snippets as a > > freebie license. > > Are you assuming that developers want to use PG code snippets for > non-PostgreSQL or even non-DBMS software? I believe that accepting > patented code from companies would be practically more useful for > PostgreSQL enhancement and growth. PostgreSQL is now a mature software, > and it can be more corporate-friendly like other software under Apache > License. > > Certainly there is history of people using PG code for non-PostgreSQL or at least commercial derivative work. Greenplum for example. Dave Cramer da...@postgresintl.com www.postgresintl.com
