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 |
| Core(ID=1) | select count(*) from bugs where product_id=1; | 176,713 |
| Core(ID=1) | select count(*) from bugs where product_id=1; | 176,713 |
| Core(ID=1) | select count(*) from bugs where product_id=1; | 176,713 |
| Core(ID=1) | select count(*) from bugs where product_id=1; | 176,713 |
| Core(ID=1) | select count(*) from bugs where product_id=1; | 176,713 |
| Core(ID=1) | select count(*) from bugs where product_id=1; | 176,713 |
| Core(ID=1) | select count(*) from bugs where product_id=1; | 176,713 |
| Core(ID=1) | select count(*) from bugs where product_id=1; | 176,713 |
| Core(ID=1) | select count(*) from bugs where product_id=1; | 176,713 |
| Core(ID=1) | select count(*) from bugs where product_id=1; | 176,713 |
| Core(ID=1) | select count(*) from bugs where product_id=1; | 176,713 |
| Core(ID=1) | select count(*) from bugs where product_id=1; | 176,713 |
| Core(ID=1) | select count(*) from bugs where product_id=1; | 176,713 |
| Core(ID=1) | select count(*) from bugs where product_id=1; | 176,713 |
| Core(ID=1) | select count(*) from bugs where product_id=1; | 176,713 |
| Core(ID=1) | select count(*) from bugs where product_id=1; | 176,713 |
| Core(ID=1) | select count(*) from bugs where product_id=1; | 176,713 |
| Core(ID=1) | select count(*) from bugs where product_id=1; | 176,713 |
| Core(ID=1) | select count(*) from bugs where product_id=1; | 176,713 |
| Core(ID=1) | select count(*) from bugs where product_id=1; | 176,713 |
| Core(ID=1) | select count(*) from bugs where product_id=1; | 176,713 |
| Core(ID=1) | select count(*) from bugs where product_id=1; | 176,713 |