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100 descendants of a3ffd283bc931b04

2016-09-19
02:19
Small performance optimization in the expression walker. (check-in: c6e6afb9 user: drh tags: trunk)
2016-09-18
16:08
Revise the implementation of OP_Once so that it is smaller, faster, and uses less memory. This also fixes an obscure bug introduced 3 days ago by check-in [5990a1bdb4a073]. (check-in: 6bf5ba10 user: drh tags: trunk)
2016-09-17
22:46
Minor enhancement to the TclKit batch tool: it should download the TclKit EXE alone when the TCLKIT_NOENV environment variable is set. (check-in: baceb988 user: mistachkin tags: trunk)
19:34
Small performance optimization in the freeSpace() routine of btree.c. (check-in: 63962e2a user: drh tags: trunk)
17:39
Improved description of the ElseNotEq opcode in comments. No changes to code. (check-in: e011435e user: drh tags: trunk)
2016-09-16
20:39
Fix typo in the name of a Win32 string conversion routine. Replace several uses of raw_printf() with utf8_printf() in the shell. (check-in: 6fc95dd7 user: mistachkin tags: trunk)
19:42
If no KEY is specified on ATTACH, copy the main schema key if the key size is non-zero. In other words, allow for -1 as a valid key size in support of the --textkey to SEE. (check-in: 03573887 user: drh tags: trunk)
19:11
Fix problems with the fileRead() function in the command-line shell. Fix a harmless memory leak in the command-line shell, to make validation testing easier. (check-in: e660402e user: drh tags: trunk)
18:53
Remove the #ifdef SQLITE_DEBUG from around the testcase_glob() routine in the command-line shell. (check-in: 9885dac4 user: drh tags: trunk)
17:50
Merge recent changes from trunk. (check-in: e3d9efa2 user: drh tags: apple-osx)
16:30
Fix a problem causing incorrect code to be generated for IN constraints like "a IN (1, 2, 3)" where column "a" is a rowid column with an extra UNIQUE index created on it. Ticket [0eab1ac759]. (check-in: a92aee55 user: dan tags: trunk)
15:42
Replace a faulty assert() with a testcase() to assure the condition is tested. Ticket [0eab1ac7591f]. (check-in: a49bc0a8 user: drh tags: trunk)
14:50
Add WHERETRACE macros showing every entry and exit from whereLoopAddBtreeIndex(). (check-in: e7653dec user: drh tags: trunk)
11:53
Fix SQLITE_OMIT_AUTHORIZATION so that it compiles cleanly. (check-in: a3e3b3e1 user: drh tags: trunk)
02:52
In the shell, make ".testcase" and ".check" available in all configurations, not just SQLITE_DEBUG. All testcases to be named. Show the result of each testcase on stdout. (check-in: 792afefa user: drh tags: trunk)
00:26
In the command-line shell, add the --new option to the ".open" command. Also, report the current database filename as part of the ".show" command. (check-in: 8e5c9203 user: drh tags: trunk)
2016-09-15
21:35
Add the ".testcase" and ".check" dot-commands in the shell, when compiled using SQLITE_DEBUG. (check-in: 62289f27 user: drh tags: trunk)
19:15
Omit the sqlite3Apis constant object when compiling with SQLITE_OMIT_LOAD_EXTENSION, since it is not used. (check-in: 7b104613 user: drh tags: trunk)
14:54
Remove no-op code (adding an assert() to prove that the code was no-op) in the text affinity logic of the bytecode engine comparison operators. (check-in: b9f5bdbf user: drh tags: trunk)
05:47
Fix a typo in a comment in sqlite.h.in. No changes to code. (check-in: 12df7152 user: dan tags: trunk)
00:32
Slight size reduction and performance increase in sqlite3VdbeHalt(). (check-in: 5990a1bd user: drh tags: trunk)
00:04
Optimization to vdbeRecordCompareInt() makes it slightly smaller and faster. (check-in: 5a2a7712 user: drh tags: trunk)
2016-09-14
18:56
Update comments used to generate API documentation to include the new "[dateof:3.X.Y]" notation for dates of release where appropriate. No changes to code. (check-in: 55f7f8ee user: drh tags: trunk)
2016-09-12
14:23
Fix a bug in sqldiff causing it to confuse blobs zero bytes in size with NULL values. (check-in: 264e9c75 user: dan tags: trunk)
13:32
Add missing "finish_test" command to vacuum5.test. (check-in: 02f40c3b user: dan tags: trunk)
09:28
Have releasetest.tcl delete all test files except for "testfixture", "testfixture.exe", "sqlite3", "sqlite3.exe", "test.log" and "test-out.txt" after each test run is finished. Passing the "--keep" option restores the old behaviour. (check-in: e0e042dc user: dan tags: trunk)
2016-09-10
19:51
Changes to give a warning-free build with SQLITE_OMIT_INCRBLOB and SQLITE_OMIT_SHARED_CACHE. (check-in: 711c5917 user: drh tags: trunk)
14:43
Add test code to delete an SQLite database and its auxiliary files. (check-in: 8a9d1281 user: dan tags: trunk)
2016-09-09
20:26
Make the new file test_delete.c portable to MSVC on Windows. (Closed-Leaf check-in: 0e3ace39 user: mistachkin tags: test_delete)
20:23
Remove an unnecessary call to sqlite3VdbeMemExpandBlob() when casting to text. (check-in: 19e2e595 user: drh tags: trunk)
20:00
Add new file test_delete.c, containing test code for deleting an sqlite database. (check-in: fb0b95e9 user: dan tags: test_delete)
19:33
Performance improvements to the comparison operators in the bytecode engine. (check-in: 37803b19 user: drh tags: trunk)
15:12
Fix a out-of-order variable declaration for some compile-time configurations. (check-in: 6ac932c9 user: drh tags: trunk)
13:23
In releasetest.tcl, the --srcdir option is automatic, so no need to mention it in the --help output. (check-in: 2bdd838e user: drh tags: trunk)
13:17
Fix an obsolete comment in the releasetest.tcl source code. (check-in: afaaa276 user: drh tags: trunk)
12:29
In releasetest.tcl: Improved testing for uncommitted changes. If uncommitted changes are seen, exit immediately unless the --force option is used. (check-in: 9a14e6c4 user: drh tags: trunk)
2016-09-08
23:12
Issue a warning and prompt the user to continue if the releasetest.tcl script is run in a checkout with uncommitted changes. (check-in: 30e917ff user: drh tags: trunk)
2016-09-07
19:54
Add support for row-value comparisons, including IN operators, and row-value updates in the UPDATE statement. (check-in: ddb5f055 user: drh tags: trunk)
19:37
Fix a problem handling expressions like "(a, b) IN (SELECT ... ORDER BY 1, 2)" when there is an index on "a" but not "b". (Closed-Leaf check-in: 7f2c5c9e user: dan tags: rowvalue)
13:30
Simplify the affinity handling logic in codeAllEqualityTerms(). Logically the same, just a little easier to read and understand. (check-in: bbab9621 user: drh tags: rowvalue)
13:12
Merge fixes from trunk. (check-in: 193f036c user: drh tags: rowvalue)
2016-09-06
19:08
Remove obsolete vector-IN test cases. Fix a bad testcase() macro. (check-in: ab3f8f19 user: drh tags: rowvalue)
18:51
Fix corer cases of vector IN operators where the RHS is a compound SELECT that includes an ORDER BY clause. (check-in: 8329ac6f user: drh tags: rowvalue)
17:21
Remove an unnecessary branch from expr.c. (check-in: 7cc9746c user: dan tags: rowvalue)
17:13
Avoid unnecessary memory allocations for aiMap in codeEqualityTerm(). (check-in: 70319c3d user: drh tags: rowvalue)
16:53
Avoid a NULL pointer deref in codeAllEqualityConstraints() following an OOM. (check-in: c6e528c1 user: drh tags: rowvalue)
16:33
Simplify the fix in commit [7d9bd22c]. (check-in: bd5a3420 user: dan tags: rowvalue)
15:25
Fix the header comment on codeEqualityTerm(). (check-in: b7e710e4 user: drh tags: rowvalue)
14:58
Fix a problem handling (a, b) IN (SELECT ...) expressions when there is an index on just one of "a" or "b". (check-in: 231c72d9 user: dan tags: rowvalue)
14:37
Enhance the sqlite3GetTempRange() and sqlite3ReleaseTempRange() internal routines so that they use sqlite3GetTempReg() and sqlite3ReleaseTempReg() when nReg==1. (check-in: 4071da2f user: drh tags: rowvalue)
12:04
Fix a typo in a comment in expr.c. (check-in: 288e934f user: dan tags: rowvalue)
2016-09-05
22:50
Simplified logic to extract a column from a row value. (check-in: e8f105c3 user: drh tags: rowvalue)
19:57
Fix an assert() so that it does C-compiler does not combine an assert() conditional with a production code conditional and thereby confuse the mutation testing script. (check-in: 2fa5288a user: drh tags: rowvalue)
15:02
Simplifications to the SQLITE_KEEPNULL flag on VDBE comparison operators. (check-in: 96269f01 user: drh tags: rowvalue)
12:12
Do vector comparison size checking early - at name resolution time - to forestall future problems. (check-in: ae127bcc user: drh tags: rowvalue)
12:02
Catch vector size mismatch problems during name resolution to avoid later problems. (Closed-Leaf check-in: 56562a03 user: drh tags: early-vector-size-check)
09:44
Fix a crash that could occur under certain circumstances if the vectors on either side of a comparison operator were of a different size. (check-in: 42670935 user: dan tags: rowvalue)
2016-09-03
19:52
Fix a problem causing the affinity of sub-select row-value elements to be ignored in some contextes. (check-in: 7d9bd22c user: dan tags: rowvalue)
16:24
Merge the fuzzershell enhancement from trunk. (check-in: ed206048 user: drh tags: rowvalue)
15:31
Consider the affinity of "b" when using an "a IN (SELECT b ...)" expression with an index on "a". Fix for [199df416]. (check-in: f5e49855 user: dan tags: rowvalue)
01:46
Performance optimizations. (check-in: f1d06c49 user: drh tags: rowvalue)
2016-09-02
23:56
Merge recent changes from trunk. (check-in: c7271fbd user: drh tags: rowvalue)
2016-08-27
14:13
Merge updates from trunk. (check-in: 082fd5f8 user: drh tags: rowvalue)
01:41
Fix the "Synopsis" on the OP_Lt, OP_Le, OP_Gt, and OP_Ge opcodes, which has been backwards for time out of mind. (check-in: f51248dc user: drh tags: rowvalue)
2016-08-26
22:09
Fix a minor problem in sqlite3FindInIndex() related to rowids being used as part of the index. (check-in: 829f802b user: drh tags: rowvalue)
21:15
Fix the sqlite3FindInIndex() to ensure that it always uses a prefix of the index and uses no repeated columns. Enhanced comments. (check-in: b9fc89e4 user: drh tags: rowvalue)
19:54
Add an EXPLAIN QUERY PLAN line for when a index is used to implement an IN operator. (check-in: 171aa833 user: drh tags: rowvalue)
19:47
Add test cases to rowvalue2.test. (check-in: 078bb69e user: dan tags: rowvalue)
19:31
Enhance sqlite3FindInIndex() so that it is able to make use of the primary keys at the end of an index. (check-in: 4b589fbf user: drh tags: rowvalue)
18:17
Fix a post-OOM crash in updateRangeAffinityStr(). Add several ALWAYS() macros on unreachable branches. (check-in: 87d40195 user: drh tags: rowvalue)
17:54
Fix a problem with affinity changes and vector range comparisons. (check-in: b34413ac user: dan tags: rowvalue)
13:19
Allow ROWID values in indexed vector comparisons. (check-in: b0cc6be4 user: drh tags: rowvalue)
03:42
Comment improvements. Put ALWAYS and NEVER macros on three unreachable branches. (check-in: 39761700 user: drh tags: rowvalue)
01:02
Remove an unreachable branch from sqlite3ExprAffinity() (check-in: 9d96f614 user: drh tags: rowvalue)
2016-08-25
22:31
Merge recent changes from trunk. (check-in: 5789aab8 user: drh tags: rowvalue)
21:14
Refactor the sqlite3ExprCodeIN() routine for improved maintainability. (check-in: b56705ae user: drh tags: rowvalue)
17:47
Another fix in the IN-operator algorithm description. (check-in: f474aeac user: drh tags: rowvalue)
17:40
Further refinement of the in-operator.md documentation. (check-in: df064837 user: drh tags: rowvalue)
15:46
Improvements to IN operator code generator comments. Avoid unnecessary Copy operations on the LHS of the IN operator. (check-in: b6344298 user: drh tags: rowvalue)
14:23
Corrections to the IN-operator notes. (check-in: 25033ee9 user: drh tags: rowvalue)
14:00
Add notes on the implementation of the IN operator. (check-in: d256b2ca user: drh tags: rowvalue)
2016-08-24
21:54
Simplified VDBE code for the vector NOT IN null-scanning loop. (check-in: 7ae504e6 user: drh tags: rowvalue)
21:24
Improved extended comments of comparison operators when the SQLITE_STOREP2 flags is set on P5. No changes to non-debug code. (check-in: bbc1b016 user: drh tags: rowvalue)
18:51
In sqlite3FindInIndex(), improve internal comments and avoid an unreachable branch. (check-in: 55945fc1 user: drh tags: rowvalue)
17:49
Fix more unreachable branches. (check-in: 6099c180 user: drh tags: rowvalue)
15:37
Add a NEVER() on an unreachable branch in comparisonAffinity(). (check-in: 505a2f20 user: drh tags: rowvalue)
12:22
Fix a buffer overrun in the code for handling IN(...) operators when the LHS of the operator contains indexed columns or expressions. (check-in: f41a0391 user: dan tags: rowvalue)
00:51
The previous OOM fix was bad. Back it out and replace it with a better one. (check-in: 1e3bc369 user: drh tags: rowvalue)
00:25
Avoid a potential null-pointer dereference following an OOM. (check-in: 25f6ed8d user: drh tags: rowvalue)
2016-08-23
19:02
Simplify the row value misuse error message. (check-in: 838c50a5 user: drh tags: rowvalue)
18:30
Fix a problem with rowvalue UPDATE when the rowvalue is not the left-most and the RHS is a multi-column subquery. (check-in: e149e6b9 user: drh tags: rowvalue)
17:30
Fix an uninitialized variable in CASE expression code generation. (check-in: c8ffae05 user: drh tags: rowvalue)
2016-08-22
14:30
Fix the vector BETWEEN operator so that it only evaluates the left-most vector expression once. Add support for vector comparisons in the CASE operator. (check-in: 07e69f43 user: drh tags: rowvalue)
00:48
Reinstate the mechanism in BETWEEN that avoids evaluating the first expression more than once, but fix the affinity extractor so that it works with this mechanism. The de-duplication of the first expression still does not work for vector expressions, though. (check-in: 2f39987f user: drh tags: rowvalue)
2016-08-20
22:49
The docs promise the in "x BETWEEN y AND z" the x expression is only evaluated once. That is no longer true, and so some tests are failing. This needs to be fixed before merging to trunk. (check-in: e50d264f user: drh tags: rowvalue)
21:11
Further comment enhancements. No changes to code. (check-in: d4562a9e user: drh tags: rowvalue)
21:02
Clarification of code comments in expr.c. Clean up the implementations of sqlite3ExprIsVector() and sqlite3ExprVectorSize() slightly. (check-in: 4fb66d65 user: drh tags: rowvalue)
18:06
Fixes for problems following OOM errors. (check-in: 9041ee4a user: drh tags: rowvalue)
17:00
Do not duplicate the Expr.pLeft subtree of a TK_SELECT_COLUMN node. (check-in: 8384c77e user: drh tags: rowvalue)
15:01
Fix a segfault that could occur if a query that used a vector comparison contained certain types of syntax errors. (check-in: 203f07c5 user: dan tags: rowvalue)
12:00
Improvements to the vector comparison splitter in exprAnalyze(). (check-in: a3ffd283 user: drh tags: rowvalue)