Re: [HACKERS] multivariate statistics / patch v6

2015-05-15 Thread Kyotaro HORIGUCHI
Hello, At Thu, 14 May 2015 12:35:50 +0200, Tomas Vondra tomas.von...@2ndquadrant.com wrote in 55547a86.8020...@2ndquadrant.com On 05/13/15 10:31, Kyotaro HORIGUCHI wrote: Hello, this might be somewhat out of place but strongly related to this patch so I'll propose this here. This is a

Re: [HACKERS] multivariate statistics / patch v6

2015-05-15 Thread Tomas Vondra
Hello, On 05/15/15 08:29, Kyotaro HORIGUCHI wrote: Hello, Regarding the functional dependencies - you're right there's room for improvement. For example it only works with dependencies between pairs of columns, not multi-column dependencies. Is this what you mean by incomplete? No, It

Re: [HACKERS] multivariate statistics / patch v6

2015-05-15 Thread Tomas Vondra
Hello, On 05/15/15 08:29, Kyotaro HORIGUCHI wrote: Hello, At Thu, 14 May 2015 12:35:50 +0200, Tomas Vondra tomas.von...@2ndquadrant.com wrote in 55547a86.8020...@2ndquadrant.com ... Regarding the functional dependencies - you're right there's room for improvement. For example it only works

Re: [HACKERS] multivariate statistics / patch v6

2015-05-14 Thread Tomas Vondra
On 05/13/15 10:31, Kyotaro HORIGUCHI wrote: Hello, this might be somewhat out of place but strongly related to this patch so I'll propose this here. This is a proposal of new feature for this patch or asking for your approval for my moving on this as a different (but very close) project. ===

Re: [HACKERS] multivariate statistics / patch v6

2015-05-13 Thread Kyotaro HORIGUCHI
Hello, this might be somewhat out of place but strongly related to this patch so I'll propose this here. This is a proposal of new feature for this patch or asking for your approval for my moving on this as a different (but very close) project. === Attached is v6 of the multivariate stats,