Subversion/statistics
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As of r77509, 20:59, 30 November 2010.
Average commit summary length
editPer user
editmysql> SELECT cr_author, comment_length, commit_count, comment_length/commit_count AS average_comment_length
FROM (SELECT SUM(LENGTH(cr_message)) AS comment_length, SUM(1) AS commit_count, cr_author FROM code_rev
WHERE cr_repo_id = 1 GROUP BY cr_author) AS a WHERE commit_count > 100
ORDER BY average_comment_length DESC;
+------------------+----------------+--------------+------------------------+ | cr_author | comment_length | commit_count | average_comment_length | +------------------+----------------+--------------+------------------------+ | david | 353044 | 406 | 869.5665 | | nickj | 69789 | 171 | 408.1228 | | dantman | 38273 | 175 | 218.7029 | | simetrical | 209511 | 1041 | 201.2594 | | rainman | 51798 | 298 | 173.8188 | | brion | 553856 | 3409 | 162.4688 | | grondin | 51338 | 348 | 147.5230 | | laner | 21904 | 164 | 133.5610 | | tstarling | 303571 | 2287 | 132.7376 | | platonides | 72762 | 552 | 131.8152 | | vyznev | 28687 | 220 | 130.3955 | | mah | 43562 | 341 | 127.7478 | | minuteelectron | 24531 | 200 | 122.6550 | | catrope | 287343 | 2372 | 121.1395 | | ashley | 51937 | 430 | 120.7837 | | mrzman | 18818 | 166 | 113.3614 | | skizzerz | 14060 | 127 | 110.7087 | | happy-melon | 13593 | 123 | 110.5122 | | amidaniel | 11774 | 109 | 108.0183 | | eloquence | 40551 | 389 | 104.2442 | | hartman | 15918 | 154 | 103.3636 | | timwi | 20522 | 200 | 102.6100 | | mark | 34088 | 333 | 102.3664 | | leon | 16507 | 164 | 100.6524 | | werdna | 205069 | 2080 | 98.5909 | | btongminh | 44929 | 457 | 98.3129 | | avar | 146815 | 1509 | 97.2929 | | awjrichards | 26366 | 273 | 96.5788 | | tlaqua | 11141 | 117 | 95.2222 | | proes | 30894 | 325 | 95.0585 | | purodha | 19573 | 212 | 92.3255 | | tparscal | 130433 | 1428 | 91.3396 | | ialex | 222545 | 2529 | 87.9972 | | vibber | 360051 | 4134 | 87.0951 | | demon | 147393 | 1693 | 87.0602 | | raymond | 247000 | 2909 | 84.9089 | | dale | 161096 | 1944 | 82.8683 | | yurik | 23183 | 281 | 82.5018 | | adam | 27319 | 334 | 81.7934 | | robchurch | 128137 | 1584 | 80.8946 | | kim | 30264 | 378 | 80.0635 | | shinjiman | 44616 | 568 | 78.5493 | | vasilievvv | 23292 | 301 | 77.3821 | | e23 | 9618 | 127 | 75.7323 | | maxsem | 32559 | 436 | 74.6766 | | reedy | 77155 | 1034 | 74.6180 | | neilk | 23785 | 320 | 74.3281 | | siebrand | 428317 | 5788 | 74.0009 | | philip | 13830 | 187 | 73.9572 | | ivanlanin | 10554 | 148 | 71.3108 | | mkroetzsch | 106426 | 1510 | 70.4808 | | jeluf | 45577 | 649 | 70.2265 | | sergeychernyshev | 7128 | 105 | 67.8857 | | river | 70550 | 1041 | 67.7714 | | midom | 41327 | 611 | 67.6383 | | (no author) | 12881 | 192 | 67.0885 | | huji | 22933 | 350 | 65.5229 | | zhengzhu | 15756 | 244 | 64.5738 | | hashar | 84105 | 1346 | 62.4851 | | yaron | 122099 | 2002 | 60.9885 | | timstarling | 88267 | 1459 | 60.4983 | | gabrielwicke | 40042 | 676 | 59.2337 | | greg | 30830 | 534 | 57.7341 | | collinj | 15466 | 273 | 56.6520 | | kateturner | 35287 | 624 | 56.5497 | | tomgilder | 7791 | 141 | 55.2553 | | nikerabbit | 130678 | 2495 | 52.3760 | | aaron | 252774 | 4924 | 51.3351 | | rotem | 95226 | 1885 | 50.5178 | | jojo | 22274 | 442 | 50.3937 | | daniel | 39717 | 817 | 48.6132 | | erik | 12167 | 254 | 47.9016 | | nad | 16186 | 342 | 47.3275 | | tomasz | 13584 | 289 | 47.0035 | | nimishg | 9359 | 203 | 46.1034 | | vrandezo | 8190 | 182 | 45.0000 | | jeroendedauw | 85717 | 1947 | 44.0252 | | thomasv | 13612 | 333 | 40.8769 | | kaldari | 21493 | 548 | 39.2208 | | magnus_manske | 21490 | 622 | 34.5498 | | straussd | 4672 | 157 | 29.7580 | | lcrocker | 10051 | 351 | 28.6353 | | mfarag | 3019 | 154 | 19.6039 | +------------------+----------------+--------------+------------------------+ 83 rows in set (0.59 sec)
In total
edit mysql> SELECT comment_length, commit_count, comment_length/commit_count AS average_comment_length
FROM (SELECT SUM(LENGTH(cr_message)) AS comment_length, SUM(1) AS commit_count, cr_author FROM code_rev
WHERE cr_repo_id = 1) AS a ORDER BY average_comment_length DESC;
+----------------+--------------+------------------------+ | comment_length | commit_count | average_comment_length | +----------------+--------------+------------------------+ | 6863245 | 77510 | 88.5466 | +----------------+--------------+------------------------+ 1 row in set (0.30 sec)
Haters
editmysql> SELECT cr_author AS hater, COUNT(*) AS hate_crime_count
FROM code_rev
WHERE cr_repo_id = 1 AND cr_message LIKE '%hate%'
GROUP BY cr_author ORDER BY hate_crime_count;
+---------------+------------------+ | hater | hate_crime_count | +---------------+------------------+ | aaron | 1 | | nickj | 1 | | adam | 1 | | nikerabbit | 1 | | ashley | 1 | | platonides | 1 | | sanbeg | 1 | | dale | 1 | | erik | 1 | | tlaqua | 1 | | hashar | 1 | | mattj | 1 | | avar | 2 | | david | 2 | | timstarling | 2 | | evanprodromou | 2 | | tstarling | 2 | | ialex | 2 | | vasilievvv | 2 | | vibber | 2 | | midom | 2 | | mrzman | 3 | | robchurch | 3 | | siebrand | 3 | | demon | 3 | | tparscal | 3 | | catrope | 4 | | werdna | 4 | | reedy | 5 | | simetrical | 10 | | brion | 11 | +---------------+------------------+ 31 rows in set (0.58 sec)
Reversion ratio
editmysql> SELECT author, reverted, total, reverted / total * 100 AS percentage
FROM (SELECT cr_author AS author , COUNT(*) AS reverted FROM code_rev
WHERE cr_repo_id = 1 AND cr_status = 'reverted' GROUP BY cr_author) AS a, (SELECT cr_author, COUNT(*) AS total FROM code_rev WHERE cr_repo_id = 1 AND cr_status IN ('ok', 'fixme', 'resolved', 'reverted')
GROUP BY cr_author) AS b WHERE a.author = b.cr_author AND total > 100 ORDER BY percentage;
+----------------+----------+-------+------------+ | author | reverted | total | percentage | +----------------+----------+-------+------------+ | brion | 3 | 2024 | 0.1482 | | rotem | 3 | 1150 | 0.2609 | | greg | 1 | 238 | 0.4202 | | rainman | 1 | 160 | 0.6250 | | nikerabbit | 10 | 1225 | 0.8163 | | siebrand | 29 | 3242 | 0.8945 | | jojo | 3 | 319 | 0.9404 | | tstarling | 11 | 1090 | 1.0092 | | huji | 4 | 319 | 1.2539 | | midom | 2 | 158 | 1.2658 | | ialex | 25 | 1838 | 1.3602 | | david | 4 | 289 | 1.3841 | | raymond | 31 | 2199 | 1.4097 | | minuteelectron | 2 | 126 | 1.5873 | | tparscal | 17 | 953 | 1.7838 | | ashley | 4 | 215 | 1.8605 | | simetrical | 14 | 745 | 1.8792 | | aaron | 75 | 3898 | 1.9241 | | werdna | 17 | 858 | 1.9814 | | daniel | 3 | 143 | 2.0979 | | kaldari | 6 | 266 | 2.2556 | | dale | 9 | 360 | 2.5000 | | thomasv | 6 | 236 | 2.5424 | | catrope | 39 | 1373 | 2.8405 | | adam | 6 | 207 | 2.8986 | | maxsem | 10 | 334 | 2.9940 | | nimishg | 4 | 114 | 3.5088 | | vasilievvv | 10 | 272 | 3.6765 | | btongminh | 14 | 349 | 4.0115 | | dantman | 5 | 121 | 4.1322 | | demon | 72 | 1293 | 5.5684 | | shinjiman | 28 | 421 | 6.6508 | | jeroendedauw | 10 | 150 | 6.6667 | | mrzman | 9 | 124 | 7.2581 | | reedy | 54 | 661 | 8.1694 | | platonides | 29 | 331 | 8.7613 | | mah | 27 | 231 | 11.6883 | +----------------+----------+-------+------------+ 37 rows in set (0.63 sec)