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12 check-ins using file src/btree.c version 7a81c2c6

2014-03-04
14:34
Merge the performance enhancements of trunk (and some obscure bug fixes) into the sessions branch. (check-in: 7f51ad97 user: drh tags: sessions)
13:18
Improve clarity of presentation in the sqlite3VdbeMemFromBtree() routine. (check-in: 9830c343 user: drh tags: trunk)
12:07
Fix comment in test. (check-in: 1e57f67b user: mistachkin tags: trunk)
11:54
Fix minor typos in the new test file. (check-in: 3cbb9b1b user: mistachkin tags: trunk)
11:35
Add tests to verify the fix for bug [4ef7e3cfca]. (check-in: 62410bb8 user: dan tags: trunk)
11:29
Fix name resolution problem in sub-selects within triggers, ticket [4ef7e3cfca]. (check-in: 5bcd0b1c user: mistachkin tags: trunk)
11:16
Fix harmless compiler warning. (check-in: 8d18a803 user: mistachkin tags: trunk)
04:12
Refactor the sqlite3VdbeRecordCompare() routine used to compare btree records. Create fast-track special case routines to handle the common cases more quickly. This gives a significant performance boost. (check-in: 3325ad5b user: drh tags: trunk)
04:04
Fix more instances of assuming 'char' is signed. And, make sure to never shift a signed integer. (Closed-Leaf check-in: f10130ed user: drh tags: broken-on-arm)
00:15
Do not assume that 'char' is signed. Make it explicit. (check-in: 979da752 user: drh tags: broken-on-arm)
2014-03-03
21:59
Refactor the sqlite3VdbeRecordCompare() routine used to compare btree records. Create a couple of fast-track routines to handle the common cases of a string with BINARY collation or integer values as the left-most column. This gives a significant performance boost in common use. Oops: This build does not work on the Beaglebone where "char" defaults to unsigned. (check-in: aec5473a user: drh tags: broken-on-arm)
21:46
Fix a couple of harmless compiler warnings. (Closed-Leaf check-in: fcf480cc user: drh tags: experimental)