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15 descendants of [8a439a6d]

2018-03-21
19:25
Add the optfuzz.c program for verifying the query planner using a fuzzer. This is an initial code check-in. check-in: 3fb21251 user: drh tags: trunk
01:59
Relax LEFT-JOIN restrictions on the push-down optimization. Closed-Leaf check-in: b5d3dd8c user: drh tags: join-strength-reduction
2018-03-20
22:52
Do a more thorough job of cleaning traces of the strength-reduced LEFT JOIN. check-in: 08833dda user: drh tags: join-strength-reduction
21:16
If terms of the WHERE clause require that the right table in a LEFT JOIN not be a null row, then simplify the LEFT JOIN into an ordinary JOIN. check-in: 5b7abecc user: drh tags: join-strength-reduction
19:02
Fix incorrect testcase labels on two cases in join5.test. No changes to code. check-in: 4661ac81 user: drh tags: trunk
18:08
Improvements to the HAVING-to-WHERE optimization. The code uses less space and less CPU, and there is now ".selecttrace" output. check-in: 5ad668d4 user: drh tags: trunk
16:56
For 'zipfile', detect attempts to cause a duplicate entry via UPDATE. Also, fix handling of 'UPDATE OR REPLACE' statements run on zipfile virtual tables. Win32 portability fixes to the 'fileio' extension. Miscellaneous test fixes. check-in: b36caeca user: mistachkin tags: trunk
14:00
Merge all recent trunk enchancements, and especially the autoincrement write reduction fix. check-in: 25790049 user: drh tags: begin-concurrent-pnu
13:54
Remove debugging puts from concurrrent3.test. check-in: 13b49756 user: drh tags: begin-concurrent
13:52
Merge all recent enhancements from trunk. check-in: b0c2f760 user: drh tags: begin-concurrent
13:44
Avoid unnecessary write to the sqlite_sequence table when an insert is done into an autoincrement table with an application-specified rowid that is less than the maximum. check-in: ec7addc8 user: drh tags: trunk
13:26
Add the ability to disable the push-down optimization using the 0x1000 bit of SQLITE_TESTCTRL_OPTIMIZATIONS. Also some documentation fixes and an enhancement to ".eqp full" in the CLI. check-in: ae34edb7 user: drh tags: trunk
13:00
Remove a debugging statement accidently left in check-in [eddc35f3057e59fd] Closed-Leaf check-in: 85a31557 user: drh tags: push-down-disable
12:04
In the CLI, avoid extra .selecttrace and .wheretrace output when in ".eqp full" mode. check-in: 427bbf31 user: drh tags: push-down-disable
11:58
Closer reading of the sqlite3_db_config() documentation show that it is subtly incorrect. This check-in fixes the problem. No code changes. check-in: 44d90e7f user: drh tags: push-down-disable
11:51
Fix a minor formatting issue on the sqlite3_db_config() documentation. No changes to code. check-in: 8a439a6d user: drh tags: push-down-disable