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SQLite training in Houston TX on 2019-11-05 (details)
Part of the 2019 Tcl Conference

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100 check-ins occurring around a7a18b65fa34dfdf.

2013-11-09
21:10
Furhter cleanup of the winGetTempname function. check-in: 674de36b user: mistachkin tags: win32heap
19:47
Updates to requirements marks. No changes to code. check-in: 8a036628 user: drh tags: trunk
18:15
Throw an error if AUTOINCREMENT appears in a WITHOUT ROWID table. Updates to API documentation to discuss WITHOUT ROWID. check-in: b1abb2b0 user: drh tags: trunk
2013-11-08
20:10
Add more assert() statements and fix compilation issues when the Win32 native heap is not enabled. check-in: fbf8c382 user: mistachkin tags: win32heap
19:51
Disable use of HeapCompact on Windows CE as it is not available on all versions. check-in: e9694b87 user: mistachkin tags: win32heap
18:52
Adjust the winMemInit return code handling used when resetting the Win32 native heap. check-in: 37853665 user: mistachkin tags: win32heap
18:37
Minor corrections to logging for sqlite3_win32_compact_heap(). check-in: 71347d02 user: mistachkin tags: win32heap
18:13
Enhancements to the Win32 native heap integration. check-in: c54dc967 user: mistachkin tags: win32heap
17:13
Fix harmless compiler warnings. check-in: 0077c077 user: drh tags: trunk
17:03
Merge the Cygwin directory separator fix. Also fix a C++-ism in the multiplexor code so that it will compile on MSVC. check-in: 830629d3 user: drh tags: trunk
16:54
Performance improvement: Avoid unnecessary seeks on REPLACE INTO for a WITHOUT ROWID table. check-in: fd11afa5 user: drh tags: trunk
15:19
Performance improvements: Avoid unnecessary seeks when doing a single-row UPDATE on a WITHOUT ROWID table. check-in: 6f187a0f user: drh tags: trunk
12:14
Merge change to drop the mutex on the multiplexor before entering the xRead VFS call, in order to enhance parallelizability. check-in: 3c566e41 user: drh tags: trunk
01:09
Optimize out a NotExists/NotFound opcode that occurs in UPDATE processing after constraint checks if there is no possiblity that the constraint checking code might have moved the cursor. check-in: 74e3ee2e user: drh tags: trunk
00:16
On the --summary output of wordcount, add the a PRAGMA integrity_check and a 64-bit checksum of the entire table. check-in: 1d1d13b8 user: drh tags: trunk
2013-11-07
23:23
Add many new options to the wordcount test program: --delete, --pagesize, --cachesize, --commit, --nosync, and --journal. check-in: e938112d user: drh tags: trunk
22:11
Fix temporary directory separator handling for Cygwin. Closed-Leaf check-in: 9d870d5f user: mistachkin tags: cygDirSep
21:32
Fix a compiler warning introduced by the previous check-in. check-in: 404bd98f user: drh tags: trunk
21:25
Enable the WHERE_ONEPASS_DESIRED optimization for UPDATE operations on WITHOUT ROWID tables. check-in: 21530798 user: drh tags: trunk
19:43
Add the --stats and --summary options to the wordcount.c test program. check-in: 8aa21e67 user: drh tags: trunk
18:40
Increase the version number to 3.8.2. check-in: 9ad5b74c user: drh tags: trunk
18:37
Add the "wordcount.c" test program. check-in: f02ee546 user: drh tags: trunk
16:08
Add support for WITHOUT ROWID tables. This change also includes (1) standardization of the error message returned from run-time constraint errors, (2) improved EXPLAIN comments, (3) the SQLITE_ENABLE_EXPLAIN_COMMENTS option, (4) the SQLITE_ENABLE_MODULE_COMMENTS option, and (5) a bug fix (see [573cc27427]) in the handling of REPLACE on the rowid when secondary indices use FAIL or IGNORE. check-in: c80e229d user: drh tags: trunk
14:09
Make sure cached KeyInfo objects are only valid for a single database connection. Clear all cached KeyInfo objects on any collating sequence change. Closed-Leaf check-in: 55eea178 user: drh tags: omit-rowid
2013-11-06
19:59
Reference count the KeyInfo object. Cache a copy of an appropriate KeyInfo for each index in the Index object, and reuse that one copy as much as possible. check-in: defd5205 user: drh tags: omit-rowid
16:28
Have the OP_NoConflict opcode set the VdbeCursor.seekResult variable. This speeds up subsequent OP_Insert and OP_IdxInsert opcodes. check-in: 47455500 user: dan tags: omit-rowid
14:52
Use ansi escape codes to use different colored text for opcode names in the output of [explain_i]: Red for opcodes that insert or delete b-tree elements, blue for opcodes that move cursors and green for the ResultRow opcode. check-in: 4be2b64b user: dan tags: omit-rowid
14:36
Allocate extra stack space for UnpackedRecord objects, reducing the need to malloc for them as often, and thereby get a performance improvement. check-in: a725a75f user: drh tags: omit-rowid
14:05
Minor optimization to the OP_Halt opcode. check-in: d70c7881 user: drh tags: omit-rowid
12:56
Improved ORDER BY optimization for WITHOUT ROWID tables. check-in: 8f1709ff user: drh tags: omit-rowid
12:05
Disable the OR optimization for WITHOUT ROWID tables, since it relies on the use of rowids. check-in: 6055dad2 user: drh tags: omit-rowid
11:46
Remove an incorrect test case from conflict2.test. check-in: 427612ef user: drh tags: omit-rowid
02:36
Remove an unused variable. check-in: e9c1e419 user: drh tags: omit-rowid
2013-11-05
22:39
Make sure the query planner knows that the PRIMARY KEY index of a WITHOUT ROWID table is always a covering index. check-in: 03e7019e user: drh tags: omit-rowid
19:41
Fix conflict handling for the case when the rowid uses REPLACE but other unique constraints use FAIL or IGNORE. check-in: 573cc274 user: drh tags: omit-rowid
17:30
Fix a bug in secondary index initialization when the secondary index is a superset of the PRIMARY KEY for a WITHOUT ROWID table. check-in: 52a3d885 user: drh tags: omit-rowid
16:56
Remove an "explain" command from test script without_rowid1.test that was accidentally committed. check-in: 4b41d989 user: dan tags: omit-rowid
16:39
Unless the destination table is completely empty, disable the xfer optimization for WITHOUT ROWID tables. check-in: 3877c9f5 user: dan tags: omit-rowid
15:02
Updates to the backcompat.test test script so that it works with really old (3.6.*) versions. check-in: ace7e7b6 user: dan tags: omit-rowid
14:19
Add tests for updates of without-rowid tables that use non-BINARY collation sequences for the primary key columns. And a minor bugfix to the same. check-in: 99b1fa4b user: dan tags: omit-rowid
13:33
Standardize the error messages generated by constraint failures to a format of "$TYPE constraint failed: $DETAIL". This involves many changes to the expected output of test cases. check-in: 54b22192 user: drh tags: omit-rowid
01:59
Add the conflict2.test script. Fix issues discovered by this script. check-in: 294ed337 user: drh tags: omit-rowid
2013-11-04
22:04
Add the index7.test script for testing partial indices with WITHOUT ROWID tables. Fix bugs in ANALYZE located by that script. check-in: 79befe3a user: drh tags: omit-rowid
21:44
Bug fixes in the INSERT constraint checker. Refactor the Rowid handling logic for ANALYZE with STAT3/4. check-in: 1ea43c0f user: drh tags: omit-rowid
18:34
Add another test case file for WITHOUT ROWID and fix the bugs that the new test file uncovered. check-in: bc2a06eb user: drh tags: omit-rowid
17:00
Fix a problem with processing INTEGER PRIMARY KEY on a WITHOUT ROWID table. check-in: 89098e6d user: drh tags: omit-rowid
15:23
Correctly handle changing counting when inserting and deleting on WITHOUT ROWID tables. Add more FOREIGN KEY test cases. check-in: d072bcd0 user: drh tags: omit-rowid
13:56
Correctly handle self-referential foreign keys on WITHOUT ROWID tables. check-in: af128862 user: drh tags: omit-rowid
08:56
Fix a bug preventing FTS from correctly processing bracket tokens that are immediately preceded by characters that are neither whitespace or token characters. check-in: 49be646c user: dan tags: trunk
2013-11-03
02:27
Improved comments on foreign key logic. check-in: 1315d910 user: drh tags: omit-rowid
2013-11-02
22:29
Improved Synopsis on register comparison operators. Fix a bug on the constraint check generator. check-in: a7a18b65 user: drh tags: omit-rowid
22:09
Many new test cases added, that mostly work. Currently 18 errors in without_rowid3.test. Also there is a hack marked by a /*FIXME*/ comment on at fkey.c:547 that needs fixing. check-in: 39e32187 user: drh tags: omit-rowid
19:34
Change the "idx" name of the primary key index for WITHOUT ROWID tables in sqlite_statN statistics tables to be the name of the table rather than the fabricated index name (ex: sqlite_autoindex_xyz_1). This makes it consistent with sqlite_master table. check-in: 4ee4d310 user: drh tags: omit-rowid
18:46
Update the ANALYZE logic so that it works with WITHOUT ROWID tables. check-in: 9075770e user: drh tags: omit-rowid
14:37
Store the root page of the PRIMARY KEY index for a WITHOUT ROWID table in the sqlite_master entry for the main table and omit the sqlite_master entry for the PRIMARY KEY. check-in: b7544bb2 user: drh tags: omit-rowid
11:43
Import the sqlite3_analyzer fixes from trunk. check-in: ac711459 user: drh tags: omit-rowid
11:34
A pair of sqlite3_analyzer bug fixes: (1) quote strings in the SQL at the end of the output. (2) Fix test_stat.c so that it no longer misses some overflow pages on internal index pages. check-in: 42a11e74 user: drh tags: trunk
2013-11-01
22:02
Size KeyInfo objects so that IdxInserts always compare the correct number of fields. check-in: 302a8139 user: drh tags: omit-rowid
20:30
Fix sqlite3_analyzer so that it works with WITHOUT ROWID tables. Fix index generation for secondary indices that include fields from the PRIMARY KEY. check-in: f9769d70 user: drh tags: omit-rowid
18:14
Additional UPDATE test cases for WITHOUT ROWID. check-in: 65384ae0 user: drh tags: omit-rowid
17:59
Fix an invalid cast operation in the WITHOUT ROWID parsing logic. check-in: 845153be user: drh tags: omit-rowid
17:21
Merge all changes from trunk, and disable a pair of corruption tests that are no longer valid since sqlite_master.rootpage can now be NULL for tables. check-in: dd5d57b9 user: drh tags: omit-rowid
17:08
Change the interface to sqlite3GenerateConstraintChecks() for improved lucidity and to fix issues in dealing with UPDATEs for WITHOUT ROWID tables. Make sure iDataCur and iIdxCur are initialized when processing DELETEs of a VIEW. UPDATE processing distinguishes between changes to ROWID and PRIMARY KEY. check-in: c525ac56 user: drh tags: omit-rowid
14:03
Improved VDBE comments on the constraint checker. Fix a missing write lock in the UPDATE logic. check-in: 3bed599e user: drh tags: omit-rowid
12:42
Some UPDATE statements now working in WITHOUT ROWID tables. check-in: 5c0eaea6 user: drh tags: omit-rowid
01:45
A couple of bug fixes. check-in: cdf00248 user: drh tags: omit-rowid
2013-10-31
20:34
Fix the Synopsis on OP_Concat. Added test_addop_breakpoint() during SQLITE_DEBUG. Enhanced sqlite3VdbeChangeToNoop() to omit the instruction if it is the most recent added. Continue to fix problems with UPDATE and WITHOUT ROWID. check-in: 9b6d9e10 user: drh tags: omit-rowid
18:49
Fix a problem in os_unix.c causing compilation failure if SQLITE_DEBUG and SQLITE_MAX_MMAP_SIZE=0 are both defined. check-in: 090db8c8 user: dan tags: trunk
17:38
Fix issues with quering from an auxiliary index that must refer back to the PRIMARY KEY index of a WITHOUT ROWID table. check-in: cff1f55c user: drh tags: omit-rowid
15:37
Improved comments and variable names in infrastructure routines of UPDATE, DELETE, and INSERT. check-in: ad90e762 user: drh tags: omit-rowid
12:13
Moving UPDATE towards the iDataCur/iIdxCur representation. Still not working for WITHOUT ROWID, though. check-in: deacbd21 user: drh tags: omit-rowid
11:15
Refactor the INSERT, DELETE, and UPDATE code generators to distinguish between the "data cursor" and the "first index cursor", which are no longer consecutive in the case of a WITHOUT ROWID table. check-in: 1adfca60 user: drh tags: omit-rowid
06:39
Update comments in the MSVC batch build tool. check-in: 0414bb73 user: mistachkin tags: trunk
06:13
Enable some more tests on Windows. check-in: 72389c29 user: mistachkin tags: trunk
06:11
Fix harmless compiler warnings. check-in: 1a0a8865 user: mistachkin tags: trunk
2013-10-30
20:22
Continue working to get UPDATE operational for WITHOUT ROWID tables. Fix PRAGMA integrity_check so that it works on WITHOUT ROWID tables. check-in: 0d4fea74 user: drh tags: omit-rowid
15:52
Make sure KeyInfo objects on multi-column indices of WITHOUT ROWID tables have the correct nField and nXField values. Also, add the SQLITE_ENABLE_MODULE_COMMENT compile-time option and the VdbeModuleComment() macro and use it to label entry and exit points of some key routines. check-in: 6d9af606 user: drh tags: omit-rowid
13:46
In the P4 column of the EXPLAIN listing, abbreviate "keyinfo" as just "k" and "BINARY" as just "B". check-in: 72d45eb7 user: drh tags: omit-rowid
12:43
Enhance the timer in the shell to show wall-clock time in addition to user and kernel CPU time. check-in: 908e2c21 user: drh tags: trunk
12:30
Have the shell ".timer on" command cause the shell to report wall-clock time for each query (as well as user and system CPU time). Leaf check-in: 5530cdc4 user: dan tags: shell-wall-clock
03:25
Add the "Esri Spatially-Enabled Database" file format to the magic.txt file. check-in: 8530a18f user: drh tags: trunk
02:37
Merge EXPLAIN enhancements from trunk. check-in: 2fcac056 user: drh tags: omit-rowid
02:28
Add the SQLITE_ENABLE_EXPLAIN_COMMENTS compile-time option to enable extra commentary in the EXPLAIN output. Formerly, this was only available with SQLITE_DEBUG. check-in: e1a89b56 user: drh tags: trunk
00:25
Enhanced display of register ranges in the auxiliary comments added to EXPLAIN. check-in: d6b0c392 user: drh tags: trunk
2013-10-29
20:47
Import the automatic comment generating changes from trunk. check-in: 8bb51da1 user: drh tags: omit-rowid
20:40
Automatically generated comments on many VDBE opcodes when in SQLITE_DEBUG mode. Comments derive from the "Synopsis:" field added to each opcode definition in vdbe.c. check-in: 5f310c6a user: drh tags: trunk
16:14
Improved comments on the constraint checking logic. check-in: 141a38a7 user: drh tags: omit-rowid
2013-10-28
22:47
Merge all trunk changes since 3.8.1 into the sessions branch. check-in: aa72ea8a user: drh tags: sessions
22:39
Merge recent fixes from trunk. check-in: 9f8191d1 user: drh tags: omit-rowid
22:33
Formatting improvements to the WHERE-clause constraint display in the wheretrace debugging logic. check-in: 3a9e3ed9 user: drh tags: trunk
20:38
Add regression tests for ticket [c620261b5b5]. check-in: 05a35b09 user: drh tags: trunk
20:15
Do not use transitive WHERE-clause constraints on LEFT JOINs. Fix for ticket [c620261b5b5dc]. check-in: 9aac4e58 user: drh tags: trunk
19:59
More wheretrace debugging support: Show a listing of all WHERE clause terms (on wheretrace bit 0x100) and include important flags such as TERM_VIRTUAL, WO_EQUIV, and EP_FromJoin. check-in: 92ccd705 user: drh tags: trunk
19:03
Bug fix and enhancements to the improved wheretrace logic that shows the constraint expressions. check-in: 10f125f5 user: drh tags: trunk
14:34
Improved "wheretrace" capabilities: Show the constraint expression if the wheretrace flag has the 0x100 bit set and if compiled with SQLITE_ENABLE_TREE_EXPLAIN. check-in: 710a18ac user: drh tags: trunk
2013-10-26
15:40
Work on the UPDATE and INSERT logic. This is an incremental check-in so that can switch over to trunk to work on an unrelated issue there. check-in: 086ec2a1 user: drh tags: omit-rowid
13:36
Replace the OP_IsUnique opcode with OP_NoConflict. This code simplification might be useful to move onto trunk even if this branch is never merged. check-in: e6650e16 user: drh tags: omit-rowid
00:58
Minor refactoring of variable names and fixes to comments in insert.c. check-in: ae61a343 user: drh tags: omit-rowid
2013-10-25
19:17
Progress toward getting UPDATE to work in WITHOUT ROWID tables. check-in: e557b7d8 user: drh tags: omit-rowid
14:46
Basic DELETE operations now working on WITHOUT ROWID tables. check-in: 9eafafa3 user: drh tags: omit-rowid