[MCOL-3837] Optimize execute() of regr_sxx, regr-sxy and regr_syy Created: 2020-02-24  Updated: 2020-11-12  Resolved: 2020-03-19

Status: Closed
Project: MariaDB ColumnStore
Component/s: ExeMgr
Affects Version/s: 1.4.3
Fix Version/s: 1.4.4, 1.5.1

Type: Bug Priority: Minor
Reporter: David Hall (Inactive) Assignee: Daniel Lee (Inactive)
Resolution: Fixed Votes: 0
Labels: None


 Description   

The regr_snn functions have a couple of unoptimized lines. It not only leads to more cpu cycles (really negligable), but also to unnecessary rounding error.

 Comments   
Comment by Daniel Lee (Inactive) [ 2020-03-17 ]

Build verified: 1.5.0-1 BB

engine commit:
f01185f

Regression only. This build returned identical window functions results as 1.4.3-4.

1.4.4-1 is not yet available.

Comment by Daniel Lee (Inactive) [ 2020-03-19 ]

Build verified: 1.4.4.-1 source

/root/ColumnStore/buildColumnstoreFromGithubSource/server
commit 86a634a0feaf7788c9bcf7cc763e500d2be97d75
Author: Sergei Golubchik <serg@mariadb.org>
Date: Fri Feb 28 21:55:32 2020 +0100

Revert "make columnstore maturity gamma"

This reverts commit e4a0372cd08a53f97a62d6b6ef32114b553cacb7.

/root/ColumnStore/buildColumnstoreFromGithubSource/server/engine
commit ca3e2d78d6e1d06fb6711befe7bb2d618e801929
Merge: ec3630d f437152
Author: Patrick LeBlanc <43503225+pleblanc1976@users.noreply.github.com>
Date: Thu Mar 19 11:43:55 2020 -0500

Merge pull request #1113 from pleblanc1976/develop-1.4

Bumped version num to 1.4.4-1

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