Students in BTR490 are working on analyzing historical Bugzilla data for Mozilla. This pages documents some of their findings and ideas.
Bugzilla Database Questions
By:Timothy Kwan, Rajiv Gagwani, Jasdeep Singh Goraya
| Questions | Query | Result |
|---|---|---|
| How many bugs are there? | Select count(bug_id) from bugs; | 425,992 |
| How many bugs per year? | ||
| 1994 | Select count(distinct bug_id) from bugs where creation_ts like '1994%'; | 2 |
| 1995 | Select count(distinct bug_id) from bugs where creation_ts like '1995%'; | 1 |
| 1996 | Select count(distinct bug_id) from bugs where creation_ts like '1996%'; | 5 |
| 1997 | Select count(distinct bug_id) from bugs where creation_ts like '1997%'; | 36 |
| 1998 | Select count(distinct bug_id) from bugs where creation_ts like '1998%'; | 2020 |
| 1999 | Select count(distinct bug_id) from bugs where creation_ts like '1999%'; | 20,411 |
| 2000 | Select count(distinct bug_id) from bugs where creation_ts like '2000%'; | 40298 |
| 2001 | Select count(distinct bug_id) from bugs where creation_ts like '2001%'; | 53,468 |
| 2002 | Select count(distinct bug_id) from bugs where creation_ts like '2002%'; | 69,701 |
| 2003 | Select count(distinct bug_id) from bugs where creation_ts like '2003%'; | 42,371 |
| 2004 | Select count(distinct bug_id) from bugs where creation_ts like '2004%'; | 46,739 |
| 2005 | Select count(distinct bug_id) from bugs where creation_ts like '2005%'; | 45,173 |
| 2006 | Select count(distinct bug_id) from bugs where creation_ts like '2006%'; | 41,898 |
| 2007 | Select count(distinct bug_id) from bugs where creation_ts like '2007%'; | 41,872 |
| 2008 | Select count(distinct bug_id) from bugs where creation_ts like '2008%'; | 21,997 |
| How many bugs for just Firefox (vs. Thunderbird, Calendar, and other products) | ||
| Core | select count(*) from bugs where product_id=1; | 176,713 |
| Calendar | select count(*) from bugs where product_id=2; | 8,059 |
| CCK | select count(*) from bugs where product_id=3; | 694 |
| Directory | select count(*) from bugs where product_id=4; | 630 |
| Grendel | select count(*) from bugs where product_id=5; | 87 |
| MozillaClassic | select count(*) from bugs where product_id=7; | 480 |
| Webtools | select count(*) from bugs where product_id=8; | 2,207 |
| NSPR | select count(*) from bugs where product_id=9; | 1,299 |
| mozilla.org | select count(*) from bugs where product_id=10; | 11,086 |
| Rhino | select count(*) from bugs where product_id=11; | 697 |
| Derivatives | select count(*) from bugs where product_id=12; | 28 |
| Documentation | select count(*) from bugs where product_id=13; | 651 |
| Tech Evangelism | select count(*) from bugs where product_id=15; | 9,461 |
| NSS | select count(*) from bugs where product_id=16; | 3,761 |
| Mozilla Localizations | select count(*) from bugs where product_id=17; | 3,250 |
| JSS | select count(*) from bugs where product_id=18; | 316 |
| Bugzilla | select count(*) from bugs where product_id=19; | 12,957 |
| Camino | select count(*) from bugs where product_id=20; | 8,239 |
| Firefox | select count(*) from bugs where product_id=21; | 71,596 |
| Other Applications | select count(*) from bugs where product_id=28; | 3,003 |
| addons.mozilla.org | select count(*) from bugs where product_id=31; | 3,743 |
| Composer | select count(*) from bugs where product_id=27; | 37 |
| Marketing | select count(*) from bugs where product_id=22; | 316 |
| Thunderbird | select count(*) from bugs where product_id=23; | 19,955 |
| Minimo | select count(*) from bugs where product_id=24; | 445 |
| Mozilla Application Suite | select count(*) from bugs where product_id=25; | 79,698 |
| Toolkit | select count(*) from bugs where product_id=30; | 2,181 |
| AUS | select count(*) from bugs where product_id=34; | 83 |
| Websites | select count(*) from bugs where product_id=36; | 1,331 |
| Mozilla Developer Center | select count(*) from bugs where product_id=37; | 572 |