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21 check-ins using file src/walker.c version 83042807

2016-09-23
20:59
Use sqlite3ExprAlloc() instead of sqlite3PExpr() for leaf nodes in the expression tree, where appropriate. This is both smaller and faster. check-in: afac0709 user: drh tags: trunk
18:13
New test case for the ORDER BY LIMIT optimization. check-in: 9a5a489d user: drh tags: trunk
2016-09-22
21:37
Fix a potential null-pointer dereference and crash in the case where one thread is calling sqlite3_column_text() and another thread is calling sqlite3_step() on the same prepared statement at the same instant. check-in: ee1382a3 user: drh tags: trunk
18:53
Remove the internal sqlite3CodeOnce() interface, replacing it with a direct call to sqlite3VdbeAddOp0(v,OP_Once). Slightly smaller and faster. check-in: c3774c6a user: drh tags: trunk
18:46
Makefile changes to support building winsqlite3.dll using STDCALL rather than CDECL. check-in: 5e892d60 user: mistachkin tags: trunk
2016-09-21
23:58
Fix speedtest1.c so that it works with SQLITE_OMIT_DEPRECATED. Add the --lean and --cachesize options to speed-check.sh. check-in: 7785b3a2 user: drh tags: trunk
19:43
Fix a problem with the fts5 auxiliary function API causing a crash when a query contained a phrase of zero terms. check-in: 0741812d user: dan tags: trunk
19:00
Do not run vacuummem.test if ENABLE_MEMORY_MANAGEMENT is defined. check-in: 4a613d85 user: dan tags: trunk
18:18
Fix obsolete requirements marks. Add new tests for VACUUM of attached databases. check-in: 2b44f9aa user: drh tags: trunk
17:53
Avoid running vacuum5.test in auto-vacuum mode. check-in: be184bef user: dan tags: trunk
17:47
Do not run test "delete_db.test" with either the journaltest or inmemoryjournal permutations. Ensure that the multiplexor tests in delete_db.test are performed in non-autovacuum mode. check-in: 46b7d19e user: dan tags: trunk
14:41
Update the fts5vocab table to handle "ORDER BY term" efficiently. check-in: d4928fb5 user: dan tags: trunk
2016-09-20
22:04
Improved implementation of 64-bit signed integer multiply that correctly detects overflow (and promotes to floating-point) in some corner cases. Fix for ticket [1ec41379c9c1e400] check-in: db3ebd7c user: drh tags: trunk
17:49
Fix harmless compiler warning. check-in: 72429063 user: mistachkin tags: trunk
17:38
Fix typo in comment. check-in: bd3ecbb5 user: mistachkin tags: trunk
01:46
Further performance enhancements in zeroblob() handling. check-in: 21b0e3b7 user: drh tags: trunk
01:19
Avoid unnecessary calls to ExpandBlob() for smaller and faster code. check-in: 5e196fd1 user: drh tags: trunk
2016-09-19
23:39
Very small optimization in the bytecode engine. check-in: 46002511 user: drh tags: trunk
11:00
Fix a segfault introduced by the row-value enhancement that comes up on a skip-scan where the first term of the index is unconstrained and the second term is of the form "columm IN (SELECT...)". check-in: 2401ea5a user: drh tags: trunk
10:24
Improved performance in sqlite3ExprCodeTarget(). check-in: 75146165 user: drh tags: trunk
02:19
Small performance optimization in the expression walker. check-in: c6e6afb9 user: drh tags: trunk