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66 check-ins using file src/pager.c version 3e3b659b

2018-03-24
23:16
Fix a couple issues in the 'session' module tests. (check-in: ccf734f7 user: mistachkin tags: trunk)
20:06
Fix harmless compiler warning seen with MSVC. (check-in: e9508ab1 user: mistachkin tags: trunk)
18:01
Add testcase() macros and improve comments in the LEFT JOIN strength reduction optimization. (check-in: 56134577 user: drh tags: trunk)
15:47
Yet another fault in the sqlite3ExprImpliesNotNull() routine, causing errors in the LEFT JOIN strength reduction optimization of check-in [dd568c27b1d76563]. (check-in: e88cf3d4 user: drh tags: trunk)
15:08
Fix a test script problem causing shell1.test to fail with -DSQLITE_OMIT_VIRTUAL_TABLE builds. (check-in: 2e06906e user: dan tags: trunk)
13:24
Bug fix in the LEFT JOIN strength reduction optimization of check-in [dd568c27b1d76563]. The sqlite3ExprImpliesNotNull() routine was mistakenly assuming that a CASE expression must always be NULL if contained any reference to a variable that was NULL. (check-in: cf171abe user: drh tags: trunk)
00:19
Prepend linkage macros to the sqlite3rebaser interfaces. (check-in: c64e8f37 user: drh tags: trunk)
2018-03-23
17:36
Fix typos in sqlite3session.h preventing documentation webpages from being generated. Also mark all new sessions functions (those related to rebasing) as experimental. (check-in: de974235 user: dan tags: trunk)
16:31
Fix minor problems with passing NULL pointers to memcmp() and memcpy() found by -fsanitize=undefined. (check-in: 0b06ce6d user: dan tags: trunk)
16:08
Fix the -readonly option on the CLI so that it actually works. (check-in: 0477fb3f user: drh tags: trunk)
14:56
Add some more tests for the IS TRUE / IS FALSE operators. (check-in: 9fe5bebe user: mistachkin tags: trunk)
14:50
Fix typo in a comment used for documentation. No changes to code. (check-in: 49974d3b user: drh tags: trunk)
14:24
Enhance .schema in shell to enable matching patterns with literal underscores. (check-in: 98e3f524 user: mistachkin tags: trunk)
13:18
Fix an error in the CLI in the previous ([0249d9aecf69948]) check-in. Only the pattern to sqlite3_strlike() need to be escaped. (check-in: 71d5f6e6 user: drh tags: trunk)
12:59
Fix the ANALYZE command so that it will process tables whose names begin with "sqlite" as long as they do not being with "sqlite_". (check-in: 0249d9ae user: drh tags: trunk)
00:31
Fix harmless compiler warnings seen with MSVC. (check-in: 2f2be1b1 user: mistachkin tags: trunk)
2018-03-22
20:35
Add APIs to the sessions module for "rebasing" changesets. (check-in: 509506c7 user: dan tags: trunk)
20:11
Remove some unused code from sqlite3rebaser_rebase(). (Closed-Leaf check-in: 07cc955e user: dan tags: sessions-rebase)
19:52
Fix another problem with rebasing updates against multiple remote changes. (check-in: c8e7b5a0 user: dan tags: sessions-rebase)
17:13
Fix an RBU problem causing errors when updating tables with default collation sequences that require quoting (e.g. COLLATE "ICU_root-u-kn-on"). (check-in: eb4f452e user: dan tags: trunk)
17:02
Fix a test script problem causing rbuvacuum.test to fail when run along with other tests. (check-in: 901cb3b6 user: dan tags: trunk)
14:07
Add tests to ensure that patchsets are handled correctly by the session rebase APIs. (check-in: 0e45baae user: dan tags: sessions-rebase)
12:00
Add the left join strength reduction optimization. Enhance the push-down optimization so that it works with many LEFT JOINs. (check-in: dd568c27 user: drh tags: trunk)
11:28
Add the --valid-sql option to the optfuzz test program. (check-in: a8dfeec7 user: drh tags: trunk)
11:15
Remove some unused code from the sessions module. (check-in: a09518ab user: dan tags: sessions-rebase)
2018-03-21
20:21
Get the optfuzz program working. (check-in: 21346bbc user: drh tags: trunk)
20:13
Merge latest trunk changes into this branch. (check-in: d00b71ec user: dan tags: sessions-rebase)
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)
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)
13:26
Fix handling of "UPDATE OR REPLACE" statements run on zipfile virtual tables. (Closed-Leaf check-in: 9a5ef341 user: dan tags: testFixes)
13:00
Remove a debugging statement accidently left in check-in [eddc35f3057e59fd] (Closed-Leaf check-in: 85a31557 user: drh tags: push-down-disable)
12:12
Add a test case for the fix on this branch. (check-in: 7834cf6c user: dan tags: testFixes)
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)
11:24
Add the ability to disable the push-down optimization using the 0x1000 bit of SQLITE_TESTCTRL_OPTIMIZATIONS. (check-in: eddc35f3 user: drh tags: push-down-disable)
2018-03-19
22:28
Minor improvements to ".selecttrace". No changes to non-debug code. (check-in: 03e541f6 user: drh tags: trunk)
19:05
Enhance the command-line completion extension to return the names of triggers and views along with the names of tables. (check-in: 10e32204 user: drh tags: trunk)
16:59
Show symbolic SELECT names in EXPLAIN QUERY PLAN output when compiling with SQLITE_ENABLE_SELECTTRACE. (Leaf check-in: 16c22ff8 user: drh tags: EQP-improvements)
16:09
In the compile_options pragma, show the actual value of the SQLITE_ENABLE_CEROD compile-time option, if it exists. (check-in: 1ec339fd user: drh tags: trunk)
16:06
Improved ".selecttrace" output formatting. No changes in non-debug code. (check-in: 30704d2a user: drh tags: trunk)
2018-03-17
16:26
Do not use sqlite3_column_decltype() in the CLI if it is compiled with SQLITE_OMIT_DECLTYPE. (check-in: 442e816b user: drh tags: trunk)
02:13
For 'zipfile', detect attempts to cause a duplicate entry via UPDATE. (check-in: cf78a882 user: mistachkin tags: testFixes)
00:44
Another Win32 portability fix for the 'zipfile' tests. (check-in: 9f604418 user: mistachkin tags: testFixes)
2018-03-16
23:59
Detect corruption in the form of the sqlite_sequence table pointing to the wrong type of btree. (check-in: 525deb7a user: drh tags: trunk)
23:54
Win32 portability fixes to the 'fileio' extension. (check-in: 9d2b0f8b user: mistachkin tags: testFixes)
23:54
Enable more 'zipfile' tests on Win32. (check-in: 49d2566c user: mistachkin tags: testFixes)
23:54
Make a couple tests less sensitive to timing. (check-in: bc2af8e0 user: mistachkin tags: testFixes)
23:53
Fix a duplicate test number and cleanup a bit of Makefile whitespace. (check-in: 56d11c25 user: mistachkin tags: testFixes)
20:23
Detect databases whose schema is corrupted using a CREATE TABLE AS statement and issue an appropriate error message. (check-in: d75e6765 user: drh tags: trunk)
20:15
Better error message text when the schema is corrupted by a CREATE TABLE AS entry. (Closed-Leaf check-in: e13993cf user: drh tags: corrupt-schema)
19:10
Fix a parsing issue associated with a corrupt sqlite_master table. (check-in: 5f779ff6 user: mistachkin tags: corrupt-schema)
18:46
Avoid writing the sqlite_sequence table when it has not actually changed. (Closed-Leaf check-in: 3e3849a9 user: drh tags: autoinc-enhancement)
07:48
Fix a problem in test script thread001.test causing a spurious "-1 files were left open" error when run separately. (check-in: 1774f1c3 user: dan tags: trunk)
2018-03-15
17:46
Fix a typo in a comment used to generate documentation. No code changes. (check-in: f1784aff user: drh tags: trunk)
15:09
Fix an issue with the fsdir() table-valued function not resetting correctly after each pass of a join. (check-in: 7ce4e71c user: drh tags: trunk)
05:25
Draft fix for an fsdir() issue reported via the mailing list. (Closed-Leaf check-in: 48641010 user: mistachkin tags: fsDirFix)
2018-03-14
15:25
Add the SQLITE_DBSTATUS_CACHE_SPILL option to sqlite3_db_status(). (check-in: 48a06eb0 user: drh tags: trunk)
14:53
Add the SQLITE_DBSTATUS_CACHE_SPILL option to sqlite3_db_status() (Closed-Leaf check-in: 3faeb851 user: drh tags: dbstatus-cache-spill)