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100 descendants and 100 ancestors of [4e8796af]

2015-05-28
03:28
Add the btreeGetUnusedPage() routine to btree.c, and use it to detect content pages on the freelist and to cause that condition to trigger an SQLITE_CORRUPT. check-in: fe15d1f7 user: drh tags: trunk
00:54
Do not attempt to take any write lock on a read-only database on Windows. check-in: a47ff0cd user: drh tags: trunk
2015-05-27
19:35
The fuzzoomtest makefile target is no longer supported, so update releasetest.tcl accordingly. check-in: 06959d4a user: drh tags: trunk
18:19
Fix a minor and harmless memory leak in fuzzcheck. Adjust the makefiles to run fuzzcheck with --quiet on valgrind tests. check-in: 8bfe8344 user: drh tags: trunk
18:13
All bytes of a page are initialized, even bytes that follow a 2-byte cell on a malformed page. check-in: 7373a004 user: drh tags: trunk
15:42
A different approach to preventing buffer overreads when comparing a vector of values with a corrupt index record that spans at least one overflow page. check-in: 95eaa49f user: drh tags: trunk
15:10
Disallow the use of "rowid" in CTEs - it has never worked correctly and it makes no sense, so we might as well make it an explicit error. Also: add the PRAGMA cell_size_check=ON command. check-in: 19e2cebc user: drh tags: trunk
14:21
A different approach to preventing buffer overreads when comparing a vector of values with a corrupt index record that spans at least one overflow page. Closed-Leaf check-in: 7e9e1b61 user: dan tags: avoid-buffer-overread
13:06
CTEs have never had working rowids. So disallow the use of the "rowid" column within CTEs. Closed-Leaf check-in: 0055df04 user: drh tags: no-rowid-in-cte
03:46
Add the "PRAGMA cell_size_check=ON" command. Closed-Leaf check-in: 2ead43f0 user: drh tags: cell-size-check-pragma
2015-05-26
20:31
Avoid a buffer overread when comparing against a corrupt record that spans at least one overflow page. check-in: 62a5b363 user: dan tags: trunk
20:07
Avoid branching on an uninitalized variable when comparing SQL values with the undefined serial types 10 and 11 (which only appear in corrupt databases). check-in: b4a45d3b user: dan tags: trunk
19:08
The "make fuzztest" target now uses fuzzcheck instead of fuzzershell. Test data is added for database fuzz testing. check-in: 5e3e410b user: drh tags: trunk
19:01
Merge accidental fork. Closed-Leaf check-in: e85628e3 user: dan tags: test-using-fuzzcheck
18:58
Fix a one-byte buffer overread that may follow a syntax error while preparing an SQL statement. check-in: 07500393 user: dan tags: test-using-fuzzcheck
18:58
Fix fuzzcheck so that it responds correctly to the TEST_FAILURE environment variable. check-in: 76770c9e user: drh tags: test-using-fuzzcheck
18:15
The "make fuzztest" target now uses fuzzcheck instead of fuzzershell. check-in: 4a5f6f1f user: drh tags: test-using-fuzzcheck
17:57
Enhance fuzzcheck with the ability to store descriptions in each source database and to run multiple source databases in a single invocation. check-in: 193364c8 user: drh tags: trunk
17:33
Add a cast to one side of the test added by [97806a78] in order to avoid a signed/unsigned comparison warning. check-in: 5b46d2a7 user: dan tags: trunk
17:29
Avoid using a zero-sized array within a struct in fts3 code. check-in: b05cae36 user: dan tags: trunk
16:12
Fix another bug in the in-memory VFS for fuzzcheck. check-in: 16878a31 user: drh tags: trunk
14:57
Update test cases in corruptI.test so that they work with both SQLITE_ENABLE_OVERSIZE_CELL_CHECK and SQLITE_DEFAULT_AUTOVACUUM builds. check-in: 22a14663 user: dan tags: trunk
12:18
Return SQLITE_CORRUPT to the user if an attempt is made to add database page 1 to the free page list. check-in: 68876003 user: dan tags: trunk
11:53
Fix a problem with ignoring UNIQUE constraints on WITHOUT ROWID tables rendered redundant by the PRIMARY KEY. check-in: 3b936913 user: dan tags: trunk
03:31
Silence harmless compiler warnings when building the command line utilities with MSVC. check-in: d26060c4 user: mistachkin tags: trunk
03:24
Add fuzzcheck to makefile clean targets. Also, for consistency, replace a few tabs with spaces. check-in: eda2a437 user: mistachkin tags: trunk
00:28
Add the --result-trace option to fuzzcheck, and other interface enhancements. check-in: c415bb7b user: drh tags: trunk
2015-05-25
23:14
Fix an important bug in the xRead method of the in-memory VFS for fuzzcheck. check-in: 58cd40e8 user: drh tags: trunk
22:38
Add the fuzzcheck test program. check-in: 341cb6ab user: drh tags: trunk
22:29
Add fuzzcheck to all makefiles and fix compiler warnings. Closed-Leaf check-in: 7b3d2190 user: drh tags: fuzzcheck
22:18
Merge in trunk fixes. check-in: c71c2e1a user: drh tags: fuzzcheck
22:17
Improved tracing capabilities in fuzzcheck. check-in: 864bfdbf user: drh tags: fuzzcheck
21:59
Add the --native-vfs option on fuzzcheck. check-in: 12e95e3f user: drh tags: fuzzcheck
20:04
Fix a case of a corrupt database causing SQLite to read from up to 4 bytes before the start of a memory allocation. check-in: 7d2c4f7b user: dan tags: trunk
19:37
Merge the btree fixes out of trunk. check-in: f3cd8cec user: drh tags: fuzzcheck
19:35
Add the --dbid and --sqlid parameters to fuzzcheck. Other fuzzcheck fixes. check-in: 75ec9299 user: drh tags: fuzzcheck
19:24
Have the b-tree layer return SQLITE_CORRUPT to any attempt to open a cursor with a root page number less than 1. check-in: aa18c8e9 user: dan tags: trunk
18:48
First code for a new utility program to rerun checks on a large number of fuzzer-generated test cases. check-in: c5b4e363 user: drh tags: fuzzcheck
18:47
Fix a couple of btree asserts that would fail when encountering 32-bit rollover in cell payload size fields (cell payloads this large always indicate corruption). check-in: 8fa0937a user: dan tags: trunk
17:07
Fix a case where database corruption may cause SQLite to write past the end of a buffer. check-in: 97806a78 user: dan tags: trunk
15:03
Fix an assert() in btree routine freeSpace() that may be false if the database is corrupt. check-in: 00a473c5 user: dan tags: trunk
10:57
Fix an fts4 matchinf() problem triggered by deferred tokens that are part of phrases that are part of AND expressions. check-in: f1e942a1 user: dan tags: trunk
10:29
Fix an obsolete comment - no changes to code. check-in: 4e4228c4 user: drh tags: trunk
09:33
Remove an incorrect and pointless assert(). check-in: 8c3929bd user: drh tags: trunk
2015-05-24
21:46
The assert() changes removed in the previous check-in are needed after all. check-in: 336fccc8 user: drh tags: trunk
21:09
Better detection of corruption in allocateSpace() in btree.c. check-in: bf7bb53e user: drh tags: trunk
10:18
Detect database corruption in the modifyPagePointer() routine and abort. check-in: 4f0bba42 user: drh tags: trunk
2015-05-23
19:53
Instead of early detection of corruption in balance_nonroot, simply ignore the error, as it is harmless and exceedingly uncommon. check-in: 7bbf9b3c user: drh tags: trunk
19:29
Earlier detection of a specific kind of corruption in the balance_nonroot() routine. check-in: ee6dc991 user: drh tags: trunk
02:44
Minor documentation improvements. No changes to code. check-in: e446d9ce user: drh tags: trunk
2015-05-22
23:51
Merge bug fixes from trunk. check-in: 519054bb user: drh tags: sessions
23:50
Improved error messages in fuzzershell when unable to open the database. check-in: c404fcac user: drh tags: trunk
23:45
Fix a bug in fuzzershell caused by an uninitialized local variable. check-in: 745deab8 user: drh tags: trunk
23:39
Fix another bad assert() in btree - one that can be false on a corrupt database file. check-in: 89f0bbfd user: drh tags: trunk
23:26
Merge enhancements from trunk, including the new sqlite3_value_dup() API and the addition of the apSqlParam field in the sqlite3_rtree_query_info object of R-Tree. check-in: cdc0ca6f user: drh tags: sessions
23:17
Fix incorrect validation of the size of the BLOB returned by a geometry function on the RHS of a MATCH operator in RTree. The old code worked for 64-bit systems (by chance) but fails on 32-bit. check-in: 10cc44f5 user: drh tags: trunk
21:12
Add the sqlite3_value_dup() and sqlite3_value_free() interfaces. Use these interfaces to enhance R-Tree to add the sqlite3_rtree_query_info.apSqlParam field. check-in: c1814242 user: drh tags: trunk
21:04
Make sure sqlite3_value_dup() works correctly even for sqlite3_value objects that are marked SQLITE_STATIC. Closed-Leaf check-in: f332ffc3 user: drh tags: value-dup
19:55
Fix minor issues with the sqlite3_value_dup() interface. check-in: 95edcf50 user: drh tags: value-dup
18:40
Update with fixes and enhancements from trunk. check-in: 9605d008 user: drh tags: value-dup
17:29
The SRT_Table type for the SelectDest object is now just an SRT_EphemTab for which the ephemeral table has already been allocated. check-in: b9727e6b user: drh tags: trunk
16:08
Have r-tree prefer to use the constraint "col MATCH ?" over "rowid = ?". check-in: b9fb9519 user: dan tags: trunk
13:09
Fix two faulty assert statements discovered by fuzzing. check-in: 799817bf user: drh tags: trunk
12:37
Fix an assert in btree.c that can be false when using a corrupted database file. check-in: a6eb2a39 user: drh tags: trunk
11:38
Add the --database option to the fuzzershell test program. check-in: c6d5512f user: drh tags: trunk
2015-05-21
20:26
Have r-tree prefer to use the constraint "col MATCH ?" over "rowid = ?". drh added later: All changes on this branch have been cherrypicked to trunk and will be merged into sessions from trunk. So this branch can close. Closed-Leaf check-in: b9e45596 user: dan tags: sessions-value-dup
2015-05-20
22:01
Add the sqlite3_value_dup() and sqlite3_value_free() interfaces and use those to add the sqlite3_rtree_query_info.apSqlParam field to the query callback in R-Tree. check-in: 2007391c user: drh tags: sessions-value-dup
21:28
Add the sqlite3_value_dup() and sqlite3_value_free() interfaces. Use these interfaces to enhance R-Tree to add the sqlite3_rtree_query_info.apSqlParam field. check-in: a7ee40c4 user: drh tags: value-dup
17:36
Fix the initialization logic in CREATE TABLE AS so that the correct affinities are applied to all values being inserted into the new table, even if the RHS is a compound SELECT. Fix for ticket [f2ad7de056ab1dc9200]. check-in: 6a0cf3ce user: drh tags: trunk
17:25
Add a test case to verify that CREATE TABLE AS does not store INT values in TEXT columns. Ticket [f2ad7de056ab1dc92]. Closed-Leaf check-in: 0e45e8f1 user: drh tags: create-table-as-type-fix
17:18
Simplification of the initialization code for CREATE TABLE AS. check-in: 937f659e user: drh tags: create-table-as-type-fix
15:51
A proposed fix for the problem of CREATE TABLE AS generating a table that has INTEGER values in a TEXT column. Ticket [f2ad7de056ab1dc92]. check-in: d5e2c1fc user: drh tags: create-table-as-type-fix
00:15
Fix handling of queries with VALUES on the left and UNION ALL SELECT on the right and a LIMIT clause. check-in: c403502c user: drh tags: trunk
2015-05-19
23:56
Enhance the selecttrace display by showing Select.selFlags. check-in: 45d3893c user: drh tags: trunk
23:04
Merge the Makefile.msc fix and the compiler warning fix from trunk. Also fix another compiler warning in sqlite3session_diff(). check-in: 7530e1bf user: drh tags: sessions
22:56
Fix the MSVC makefile so that it works with OTA. Fix a harmless compiler warning in FTS3. check-in: c7b16645 user: drh tags: trunk
22:42
Merge recent trunk changes, include the R-Tree enhancement that allows 8-byte BLOB arguments to geometry functions, and the fix for the TEXT affinity problem that could cause corrupt indexes. check-in: 0a0de8b7 user: drh tags: sessions
22:20
Allow R-Tree geometry functions to take 8-byte BLOB arguments which are passed directly through to the underlying callback, and which can be used to pass pointers into the callback. check-in: b271ed56 user: drh tags: trunk
19:44
Ensure that when the VM applies TEXT affinity to a value it discards any existing REAL or INTEGER value. Fix for [34cd55d6]. check-in: f5d0ce80 user: dan tags: trunk
17:48
Remove the sqlite3ota_open_v2() API. Add a new parameter to sqlite3ota_open() instead. check-in: c74e0bc4 user: dan tags: trunk
16:50
Merge the ota-update branch with trunk. check-in: 08e2864e user: dan tags: trunk
16:26
Add a comment for SQLITE_FCNTL_OTA to sqlite.h.in. Closed-Leaf check-in: efa20f8e user: dan tags: ota-update
16:22
Allow OTA update state data to be stored in a database separate from the OTA update database. check-in: 5af8db56 user: dan tags: ota-update
14:14
Merge latest trunk changes with this branch. check-in: 6055a672 user: dan tags: ota-update
2015-05-14
09:53
Merge changes from the index-is-operator branch into this one. Drop the partial support added for IS on this branch by [52e73eec]. check-in: 16ab9caf user: dan tags: ota-update
08:58
Merge latest trunk changes with this branch. check-in: 299ed55c user: dan tags: ota-update
2015-04-23
19:38
Fix a problem in the "ota" utility program causing it to crash if SQLite failed to open the target database. check-in: a1a2b4a2 user: dan tags: ota-update
19:32
Merge latest trunk changes into this branch. check-in: 1506e99e user: dan tags: ota-update
19:18
Fix a performance problem in calls to sqlite3ota_close() made after the OTA update has been completely applied and checkpointed. check-in: fa62093b user: dan tags: ota-update
18:14
Have OTA maintain a small LRU cache of UPDATE statements. This reduces the amount of time it spends compiling UPDATE if a single data_xxx table contains many different ota_control strings. check-in: baee3556 user: dan tags: ota-update
2015-04-22
11:34
Add comments related to database locking to sqlite3ota.h. check-in: 77242965 user: dan tags: ota-update
2015-04-21
15:35
Add a comment to sqlite3ota.h. No code changes. check-in: 352fa09e user: dan tags: ota-update
2015-04-17
17:00
Ensure that filenames passed to the VFS xOpen() function are terminated by 2 '\0' bytes. check-in: 66eff473 user: dan tags: ota-update
16:29
Fix a memory leak in sqlite3ota.c that can follow an OOM error. check-in: c3dc15e7 user: dan tags: ota-update
08:36
Have OTA always specify SQLITE_CONFIG_URI when opening databases. Fix a test issue causing otacrash.test to fail. check-in: 0d0e5ec0 user: dan tags: ota-update
2015-04-16
18:49
Be sure to release any xShmLock locks held when closing an OTA handle. check-in: d0fba72a user: dan tags: ota-update
14:33
Fix a mismatched printf() argument and format specifier. Add ota files to Makefile.in. check-in: 5db810a8 user: dan tags: ota-update
10:55
Avoid attempting to rename the *-oal file while it is still open. check-in: 658c3b0c user: dan tags: ota-update
2015-04-15
14:26
Merge all recent trunk enhancements and fixes into the ota-update branch. check-in: 9bd3e445 user: drh tags: ota-update
2015-04-08
14:01
Merge all changes for version 3.8.9 into the ota-update branch. check-in: ec9d907a user: drh tags: ota-update
2015-03-25
15:23
Extend [52e73eec] so that the IS optimization may be used on primary keys with more than 3 columns. check-in: 4e8796af user: dan tags: ota-update
2015-03-24
18:21
Merge the latest trunk changes into this branch. check-in: 9d9b6c88 user: dan tags: ota-update
18:03
When the OTA module updates or deletes a row, save only those fields that are part of an index or primary key to the ota update database. check-in: 6326fd32 user: dan tags: ota-update
16:43
Prevent a virtual table from being destroyed while it is in use. Also: replace Vdbe.inVtabMethod with sqlite3.nVDestroy. Simplify the EXPLAIN output for P4.pVtab to only show the sqlite3_vtab pointer. check-in: cbeb9a1a user: drh tags: trunk
14:57
Add tests to check that attempting to DROP a virtual table while it is use does not cause problems. Closed-Leaf check-in: 5ee625b1 user: dan tags: nVDestroy
14:57
Simplify the EXPLAIN output of virtual table P4 parameters to only show the pointer to the sqlite3_vtab object and omit the sqlite3_module object. Closed-Leaf check-in: 85610bbb user: drh tags: nVDestroy
14:05
More defenses against virtual table being deleted out from under a running statement. check-in: 116c9982 user: drh tags: nVDestroy
13:32
Prevent a virtual table from being destroyed while it is in use. check-in: fba674c0 user: drh tags: nVDestroy
12:51
Replace the Vdbe.inVtabMethod field with the sqlite3.nVDestroy counter. check-in: 9faefb96 user: drh tags: nVDestroy
2015-03-23
21:32
Disable loadable extensions in the command-line shell on VxWorks user-space. check-in: 0ee2d38d user: drh tags: trunk
19:55
Track total memory usage using a 64-bit integer on 64-bit systems. Add the sqlite3_status64() interface. Make the sqlite3_status() and sqlite3_status64() interfaces atomic using mutexes and verify correct mutex operation using assert() statements. check-in: 6fc4e79a user: drh tags: trunk
19:16
Fix a non-C89 variable declaration that causes problems for MSVC. Closed-Leaf check-in: 3de085ea user: drh tags: status64
19:03
Fix datetype size asserts in btree.c. check-in: ff4812d0 user: drh tags: trunk
18:52
Add the SQLITE_PTRSIZE macro. Use it to help sqlite3_status() run faster on 32-bit systems. check-in: c742bd60 user: drh tags: status64
17:25
Add the sqlite3_status64() interface. Make the new interface and the legacy sqlite3_status() both atomic and threadsafe. Check threadsafety using assert()s. check-in: 1ce8e8fa user: drh tags: status64
17:10
Fix a broken assert() in the ota module. check-in: 858de8a5 user: dan tags: ota-update
2015-03-22
10:23
Fix a potential NULL pointer dereference following a syntax error. check-in: 8d27e3e1 user: drh tags: trunk
2015-03-21
23:38
Fix harmless compiler warnings with MSVC when assert() and SQLITE_MEMDEBUG are both enabled. check-in: 9513dbd4 user: mistachkin tags: trunk
22:23
Add more comments to the MSVC batch build tool. check-in: 03522da3 user: mistachkin tags: trunk
22:13
Increase the debugging level for the debug configuration in the MSVC batch build tool. check-in: 041484ff user: mistachkin tags: trunk
20:59
Do not invoke a C preprocessor macro with an empty argument, as (reportedly) some versions of GCC are unable to deal with that. check-in: de9da317 user: drh tags: trunk
20:50
Add a missing "int" on a constant declaration. check-in: 235157de user: drh tags: trunk
19:35
Avoid a segfault if NULL is passed as the first argument to SQL scalar function fts3_tokenizer(). check-in: 6d098969 user: dan tags: trunk
16:40
Change walblock.test to block an external process for 10 seconds, not 5. 5 seconds is not long enough to tell the difference between a blocking lock and a series of retries. check-in: 717335fc user: dan tags: trunk
16:36
Fix the blocking WAL lock so that it works and so that it compiles on a Mac. check-in: 67d69d21 user: drh tags: trunk
12:25
Remove an unreachable branch from the OP_VCreate opcode (merge accidental fork in trunk). check-in: 2fbfec62 user: dan tags: trunk
12:22
Avoid an integer overflow in fts3 causing gcc 4.7.1 with -O2 to behave counter-intuitively (perhaps because the behaviour is undefined). Add an "ifcapable trace" to a test in shell4.test. check-in: e3e23464 user: dan tags: trunk
12:22
Remove an unreachable branch from the OP_VCreate opcode. check-in: 5fca41a3 user: drh tags: trunk
10:53
Add a missing "ifcapable fts3" to a test case in vtab2.test. check-in: d845b0f6 user: dan tags: trunk
03:18
Correctly detect the error of having a "*" wildcard on a SELECT without a FROM clause on the left-hand side of a recursive CTE. check-in: b11d1793 user: drh tags: trunk
02:58
If a column is both UNIQUE and a PRIMARY KEY, make sure the PRIMARY KEY designation takes precedence. check-in: d871a792 user: drh tags: trunk
02:25
Remove superfluous define from the MSVC makefile. check-in: 880d2513 user: mistachkin tags: trunk
02:22
Improvements to the MSVC build. Fix harmless compiler warnings. Enable use of 'stdcall'. check-in: 737630b8 user: mistachkin tags: trunk
2015-03-20
16:54
Provide the BTREE_SEEK_EQ hint to the b-tree layer. check-in: 3c367004 user: drh tags: trunk
16:34
Fix to get SQLITE_SMALL_STACK working correctly again after the previous change. Closed-Leaf check-in: 78df0ce1 user: drh tags: seek-eq
14:57
Provide the BTREE_SEEK_EQ hint to the b-tree layer. check-in: e750830f user: drh tags: seek-eq
08:43
Fix a problem causing collation sequence names to be dequoted multiple times under some circumstances. check-in: eddc05e7 user: dan tags: trunk
2015-03-19
20:09
If a virtual table is created with a malformed UTF8 name in a UTF16 database, make sure that does not cause problems. check-in: b74cb0a9 user: drh tags: trunk
19:59
Fix a crash that can occur following an OOM condition within a CREATE VIRTUAL TABLE statement on a utf-16 database. Closed-Leaf check-in: 9453e7da user: dan tags: malformed-vtab-name
18:56
Fix a problem with creating virtual table with names specified using malformed utf-8 within utf-16 databases. check-in: 9969cff2 user: dan tags: malformed-vtab-name
16:25
Fix an FTS3/4 problem with handling empty tokenizer declarations (e.g. "CREATE VIRTUAL TABLE t(tokenize=);"). check-in: 26d2def8 user: dan tags: trunk
15:52
Silently ignore any attempt to add a prefix index for prefixes zero bytes in size to an fts3/4 table. Or any prefix index size so large that it overflows a 32-bit signed integer. check-in: ad4b19d2 user: dan tags: trunk
15:04
Add an assert() to check that the database mutex is held in sqlite3BtreeLeave(). check-in: 31f54d7b user: dan tags: trunk
14:48
Fix typo in shell error message. check-in: 775a02d5 user: mistachkin tags: trunk
13:30
Fix a bug in error handling in the ".trace" command of the command-line shell. check-in: 6a48b5d7 user: drh tags: trunk
2015-03-18
20:03
Allow whereShortCut() to use the PRIMARY KEY index of a WITHOUT ROWID table to optimize a vector of "IS" operators in a WHERE clause. check-in: 52e73eec user: dan tags: ota-update
19:04
Clarify that OTA is unable to update or delete rows with NULL values in primary key fields. check-in: 2e7c1e0a user: dan tags: ota-update
16:00
Add another sqlite3FaultSim() to the multi-threaded sorter logic to improve testability. check-in: 49ea2cde user: drh tags: trunk
2015-03-17
20:39
Clarify the documentation on sqlite3_errcode(). No changes to code. check-in: 2c0e0d87 user: drh tags: trunk
17:08
Also merge the WAL blocking lock tests that were somehow missed on the previous check-in. check-in: 7214dab7 user: drh tags: trunk
16:59
Transient locks in WAL mode can now block in order to resolve priority inversions. check-in: ec2f46de user: drh tags: trunk
16:01
Add a test for the change on this branch. Closed-Leaf check-in: e22dde18 user: dan tags: wal-blocking-lock
2015-03-16
20:40
Make SQLite slightly more likely to use an auto-index within a sub-query. check-in: ab832336 user: dan tags: trunk
18:08
Fix typo of test prefix in the new WHERE test file. check-in: 34779c52 user: mistachkin tags: trunk
17:48
When the WHERE clause contains two OR-connected terms with identical operands but different operators, try to combine them into a single term. Example: (X=A OR X>A) becomes (X>=A). check-in: 8bdda827 user: drh tags: trunk
17:07
Modify the fts3query.test script so that it works even when testfixture is built using a version of TCL that is unable to sort the integer -9223372036854775808 check-in: f61fd24b user: drh tags: trunk
16:44
When deleting the master journal to commit a multi-database transaction, do not sync the directory if PRAGMA synchronous=OFF for all participating database files. check-in: 018d7671 user: drh tags: trunk
16:28
When estimating the number of rows visited by a range scan for which the keys consist of more than one field, consider prefixes of stat4 samples as well as the full samples. This generates more accurate estimates. check-in: 3e0590de user: dan tags: trunk
13:48
Use #ifdef to omit code that is only used for STAT3 and STAT4. check-in: f2c9c5b5 user: drh tags: trunk
13:12
Improved comments. No code changes. Closed-Leaf check-in: 23f71a26 user: drh tags: combine-disjuncts
12:13
When a WHERE clause contains disjuncts with the same operands, try to combine them into a single operator. Example: (x=A OR x>A) becomes (x>=A). check-in: 7a309768 user: drh tags: combine-disjuncts
09:21
Another test case for the planner change on this branch. Closed-Leaf check-in: f2207a06 user: dan tags: stat4-change
2015-03-14
18:59
When estimating the number of rows visited by a range scan for which the keys consist of more than one field, consider prefixes of stat4 samples as well as the full samples. check-in: e1caf93c user: dan tags: stat4-change
2015-03-13
15:44
Add tests to ensure "PRAGMA incremental_vacuum" and "PRAGMA auto_vacuum = incremental" handle corrupt databases correctly. check-in: 1c2166cb user: dan tags: trunk
08:31
Extra tests for commit [0f250957]. check-in: 5aa522dc user: dan tags: trunk
00:11
Remove debugging logic accidently included in the previous check-in. check-in: 2887fb38 user: drh tags: trunk
2015-03-12
23:48
Fix the "now" option for date-time functions for cases when STAT4 is disabled. check-in: 3ac1f6a3 user: drh tags: trunk
21:22
When STAT4 is enabled, allow probes of the STAT4 table using the value of constant functions computed at compile-time. check-in: 0f250957 user: drh tags: trunk
21:02
Always disallow functions as the DEFAULT of a column. Add assert()s and Closed-Leaf check-in: a991bb1a user: drh tags: stat4-function
19:12
Disable multiplexing of master-journal files in the test_multiplex.c module. check-in: b8684df3 user: dan tags: trunk
18:38
If an error occurs in the compile-time evaluation of an application-defined function, then propagate back out the exact error code, not just the generic SQLITE_ERROR. check-in: 93f42586 user: drh tags: stat4-function
06:46
The valueFromFunction() routine is better able to handle OOM errors. Omit unreachable branches. check-in: 8fb6bd9b user: drh tags: stat4-function
05:08
Improve the text on one of the opcode documentation comments in vdbe.c. check-in: 08958f57 user: drh tags: trunk
2015-03-11
20:59
Allow the default value for columns added using ALTER TABLE ADD COLUMN to be a function in existing schemas loaded from disk. But prevent this version of SQLite from being used to create such a column. check-in: ff868e22 user: dan tags: stat4-function
20:06
Allow the query planner to evaluate deterministic scalar SQL functions used in WHERE constraints if all arguments are SQL literals in order to compare the results with sqlite_stat4 sample data. check-in: b7f1fc26 user: dan tags: stat4-function
14:34
Expand the multi-process test cases to repeat each case 20 times and to repeat tests using different journal modes. check-in: a2715b04 user: drh tags: trunk
2015-03-10
20:22
Arrange for some of the transient locks in WAL mode to block, as a single to the OS to fix priority inversions. check-in: c6e6d5f4 user: drh tags: wal-blocking-lock
15:34
Fix an incrblob2 test case so that it works on 32-bit systems. check-in: 8d0b11c9 user: drh tags: trunk
13:50
Revise test cases in malloc5.test to accommodate varying allocation sizes returned by some system malloc() implementations. check-in: fbae6baf user: drh tags: trunk
2015-03-09
13:24
Merge recent trunk enhancements into the ota-update branch. check-in: 5489cb68 user: drh tags: ota-update
13:01
Fix the LIKE optimization so that it works even if there are additional range contraints on the column that is subject to the LIKE or GLOB. check-in: 984c3fd5 user: drh tags: trunk
12:11
Always use LIKE optimization range constraints in pairs. Closed-Leaf check-in: 0e02dc94 user: drh tags: like-opt-fix
10:40
Increase the version number to 3.8.9 check-in: e5da5e7d user: drh tags: trunk
2015-03-07
20:32
Fix another problem with the LIKE optimization. check-in: 465bfc72 user: drh tags: like-opt-fix
13:56
Fix the LIKE optimization so that it finds BLOB entries in addition to text entries. Ticket [05f43be8fdda9f]. check-in: 74cb0b03 user: drh tags: trunk
12:58
New test cases for LIKE and GLOB with BLOB left-hand side values. Closed-Leaf check-in: 50fa3c5f user: drh tags: like-opt-fix
03:02
Remove some code that is commented out. check-in: 55ff4291 user: drh tags: like-opt-fix
02:51
Fix problems with reverse order sorting and indexes in the LIKE optimization. check-in: 564b8fe7 user: drh tags: like-opt-fix
00:57
Refactor some jump opcodes in the VDBE. Add JumpZeroIncr and DecrJumpZero. Fix the LIKE optimization to work with DESC sort order. check-in: 26cb5145 user: drh tags: like-opt-fix
2015-03-06
20:49
Test cases added. Comments fixed. Proposed solution for ticket [05f43be8fdda9fbd9]. check-in: 6b993bd5 user: drh tags: like-opt-fix
19:47
Fix the LIKE optimization even when comparing mixed-case BLOBs. check-in: a58aafdb user: drh tags: like-opt-fix
16:45
The LIKE optimization must be applied twice, once for strings and a second time for BLOBs. Ticket [05f43be8fdda9f]. This check-in is a proof-of-concept of how that might be done. check-in: 5757e803 user: drh tags: like-opt-fix
04:37
Clearification of some documentation text. Added requirements marks. check-in: 8c1e85aa user: drh tags: trunk
03:31
Clarification of documentation on sqlite3_backup. check-in: 31d5e9b4 user: drh tags: trunk
2015-03-05
16:21
Fix some problems with OTA and empty target databases, or target databases with the wrong set of tables. Also add SQLITE_FCNTL_VFSNAME support to the OTA VFS. check-in: 46119e8d user: dan tags: ota-update
15:34
New test cases and requirements marks for PRAGMA index_info, index_xinfo, and index_list. check-in: e5b13634 user: drh tags: trunk
14:29
Revert "PRAGMA index_info" to output only three columns, for complete compatibility with prior versions. The new "PRAGMA index_xinfo" can be used to get the extra information in 4th, 5th, and 6th columns. check-in: fc543c2c user: drh tags: trunk
14:07
Add comments to sqlite3ota.h to make it clear that passing NULL in place of a parent VFS name to sqlite3ota_create_vfs() causes the new VFS to use the system default as its parent. check-in: 158c1a48 user: dan tags: ota-update
13:43
Fix a typo in sqlite3ota.h. check-in: 04087dec user: dan tags: ota-update
01:29
New requirements marks on compound SELECT statements. check-in: e7991bc5 user: drh tags: trunk
2015-03-04
23:14
New requirements marks on INSERT and INDEXED BY and on some sqlite3_config() options. check-in: c298ea0b user: drh tags: trunk