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64 events for the month beginning 2016-10-01 by user drh
Following month ↑|
2016-10-27
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| 01:08 | • Fixed ticket [fef4bb4b]: Incorrect result from a LEFT JOIN with a row-value constraint plus 5 other changes (artifact: 9eee2c5f user: drh) | |
| 01:02 | Make sure left-join markings are transferred to the virtual scalar subexpressions when decomposing a vector comparison in the ON clause of a LEFT JOIN. Fix for ticket [fef4bb4bd9185ec8f]. (check-in: 619f5cc7 user: drh tags: trunk) | |
| 00:27 | • New ticket [fef4bb4b] Incorrect result from a LEFT JOIN with a row-value constraint. (artifact: b2735a64 user: drh) | |
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2016-10-26
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| 18:41 | Small size reduction and performance enhancement in whereScanInit(). (check-in: c23f5ef3 user: drh tags: trunk) | |
| 17:57 | Small size reduction and performance improvement in whereScanNext(). (check-in: d861ee17 user: drh tags: trunk) | |
| 16:06 | • Edit [ec9dab8054c71d11|ec9dab80]: Edit check-in comment. (artifact: 6703abfa user: drh) | |
| 16:05 | • Ticket [34a57914] Incorrect results with OR terms in the ON clause of a LEFT JOIN status still Open with 6 other changes (artifact: 0155188b user: drh) | |
| 13:58 | Merge the SQLITE_ENABLE_URI_00_ERROR compile-time option. (check-in: 86675ae0 user: drh tags: trunk) | |
| 12:58 | Add an elapsed-time output for faststat1.c. (check-in: 71167951 user: drh tags: est_count_pragma) | |
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2016-10-25
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| 19:39 | Simplifications to faststat1.c. Fix a bug in sqlite3MovetoProportional() for very large b-trees. (check-in: f7f78147 user: drh tags: est_count_pragma) | |
| 19:21 | Further refinements to the faststat1.c utility. (check-in: b051fd19 user: drh tags: est_count_pragma) | |
| 18:28 | Enhance faststat1.c to deal better with WITHOUT ROWID tables. (check-in: 65444f2e user: drh tags: est_count_pragma) | |
| 17:28 | Merge recent trunk changes, and especially the PRAGMA index_info enhancement which is needed on this branch. (check-in: c3570e46 user: drh tags: est_count_pragma) | |
| 15:39 | Enhance the "PRAGMA index_info" and "PRAGMA index_xinfo" statements so that they work on WITHOUT ROWID tables and provide information about the underlying index btree that implements the WITHOUT ROWID table. (Leaf check-in: fe49fb03 user: drh tags: index-info-on-table) | |
| 13:57 | First attempt at a utility program to compute sqlite_stat1 without doing a full table scan. (check-in: 7b83581a user: drh tags: est_count_pragma) | |
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2016-10-24
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| 01:01 | Performance optimization in moveToRoot(). Avoid repeated validity checking of the root page on each call. Once is enough. (check-in: 98795c2d user: drh tags: trunk) | |
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2016-10-22
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| 01:22 | In the sessions module, avoid recording a change if an UPDATE statement overwrites a column with REAL affinity containing an integer value with the same value. (check-in: 5f3e6028 user: drh tags: trunk) | |
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2016-10-21
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| 18:01 | When reading from an index, the shared-cache lock must be on the corresponding table. (check-in: 04fe12b5 user: drh tags: est_count_pragma) | |
| 17:45 | Merge updates from trunk, and especially the ".mode quote" enhancement to the shell. (check-in: 0c8a5b88 user: drh tags: est_count_pragma) | |
| 17:39 | Add ".mode quote" to the command-line shell. (check-in: c4f5fa78 user: drh tags: trunk) | |
| 17:25 | Add the btree_sample(INDEX,LOCATION,LIMIT) pragma. (check-in: affc2ef5 user: drh tags: est_count_pragma) | |
| 15:36 | Fix problems in the est_count pragma for indexes and WITHOUT ROWID tables. (check-in: c39fd9b8 user: drh tags: est_count_pragma) | |
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2016-10-20
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| 22:02 | Experimental est_count pragma. (check-in: 340822af user: drh tags: est_count_pragma) | |
| 18:20 | Add the ability for the PRAGMA statement to accept multiple arguments. Currently all arguments other than the first are ignored. (Leaf check-in: fd81d8a4 user: drh tags: multi-arg-pragma) | |
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2016-10-18
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| 16:36 | Minor simplification of the comparison opcodes. (check-in: 56474ebc user: drh tags: trunk) | |
| 15:29 | Fix harmless uninitialized variable warnings in speedtest1.c. (check-in: 2aa7a03b user: drh tags: trunk) | |
| 14:35 | Add the --repeat option to speedtest1.c and speed-check.sh. (check-in: 6ca0e06b user: drh tags: trunk) | |
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2016-10-17
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| 23:44 | Fix SQLITE_DBCONFIG_REQUIRE_TXN so that it allows BEGIN IMMEDAITE and BEGIN EXCLUSIVE to run outside of a transaction. (Leaf check-in: 29997f79 user: drh tags: require-write-txn) | |
| 00:48 | Small size reduction and performance increase in the string duplicator. (check-in: cda998f0 user: drh tags: trunk) | |
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2016-10-15
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| 18:37 | Add documentation for the OP_SorterInsert opcode, formerly omitted by mistake. No changes to code. (check-in: 16d88a90 user: drh tags: trunk) | |
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2016-10-14
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| 21:16 | Bump the version number in anticipation of the next development cycle. (check-in: aa6de9c4 user: drh tags: trunk) | |
| 10:20 | Version 3.15.0 (check-in: 70787558 user: drh tags: trunk, release, version-3.15.0) | |
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2016-10-13
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| 12:56 | Take care to avoid integer overflow when doing the initial page cache allocation with an excessively large cache_size setting. (check-in: 4d66ac98 user: drh tags: trunk) | |
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2016-10-12
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| 18:55 | Avoid reading the -1-th element of an array in the query planner. Fix to a bug introduced by check-in [8e2b25f9b8a7] from earlier today. Curiously, the problem only appeared on 32-bit systems. (check-in: 443913d5 user: drh tags: trunk) | |
| 18:26 | Add to sqlite3_analyzer command-line options --version and --tclsh, and also the undocumented --debug option. (check-in: e87d02d2 user: drh tags: trunk) | |
| 15:35 | • Fixed ticket [96c1454c]: Incorrect result with ORDER BY DESC and LIMIT (again) plus 5 other changes (artifact: a2a682f9 user: drh) | |
| 15:15 | New testcase() macros to ensure coverage of the ORDER BY LIMIT optimization code in where.c. (check-in: 61f05269 user: drh tags: trunk) | |
| 14:00 | • New ticket [96c1454c] Incorrect result with ORDER BY DESC and LIMIT (again). (artifact: e3b3158e user: drh) | |
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2016-10-10
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| 14:18 | • Fixed ticket [4baa4649]: NULL handling for indexes on expressions plus 5 other changes (artifact: 415f43e7 user: drh) | |
| 13:29 | Make sure indexes on expressions skip over initial NULL values in the index. Fix for ticket [4baa464912129477f3c9] (check-in: 71797ba4 user: drh tags: trunk) | |
| 13:05 | • New ticket [4baa4649] NULL handling for indexes on expressions. (artifact: 976f36f6 user: drh) | |
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2016-10-08
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| 13:34 | Corrections to Lemon documentation. No SQLite changes. (check-in: c568ae3e user: drh tags: trunk) | |
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2016-10-05
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| 20:10 | Fix harmless compiler warnings. (check-in: 2dde3375 user: drh tags: trunk) | |
| 15:02 | Do not set MEM_Blob unless the appropriate fields of the Mem object have been correctly initialized. (check-in: a596b7c6 user: drh tags: trunk) | |
| 01:33 | Fix the backup_malloc.test script so that it works on Windows. (check-in: d080012d user: drh tags: trunk) | |
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2016-10-04
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| 12:20 | Fix a problem with the lempar.c parser template. (check-in: 3a9d802f user: drh tags: trunk) | |
| 00:47 | Do not bother to initialize unused fields in the BtreePayload object. (check-in: b10d0f93 user: drh tags: trunk) | |
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2016-10-03
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| 18:13 | Allow deterministic functions in the WHERE clause of a partial index. (check-in: c6e9b942 user: drh tags: trunk) | |
| 16:33 | Size and performance optimizations on the sqlite3ExprAssignVarNumber() routine. (check-in: 109852e5 user: drh tags: trunk) | |
| 15:28 | Avoid unnecessary strlen() calls in sqlite3ExprAssignVarNumber() by passing in the token length from the parser. (check-in: d15ae2e5 user: drh tags: trunk) | |
| 14:44 | Avoid unnecessary memset() calls in the query optimizer. (check-in: 5bb7cde0 user: drh tags: trunk) | |
| 12:56 | Fix an obsolete comment on a variable definition in expr.c. No code changes. (check-in: 012ff6dd user: drh tags: trunk) | |
| 02:59 | • Fixed ticket [7b332808]: AUTOINCREMENT problem with the INSERT xfer optimization plus 5 other changes (artifact: 509f81f3 user: drh) | |
| 02:59 | Make sure the sqlite_sequence table is updated when an optional xfer optimization is used. Fix for ticket [7b3328086a5c1]. (check-in: 81e4d4f8 user: drh tags: trunk) | |
| 02:01 | • New ticket [7b332808] AUTOINCREMENT problem with the INSERT xfer optimization. (artifact: 5a826871 user: drh) | |
| 01:21 | Allocate Parse objects off of the stack where appropriate for a substantial performance increase and a size reduction. (check-in: ea8affa9 user: drh tags: trunk) | |
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2016-10-01
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| 23:55 | Add SQLITE_USE_ALLOCA to the --lean configuration in speed-check.sh. (check-in: fe07609e user: drh tags: trunk) | |
| 21:43 | Rearrange fields in the Parse object to reduce the amount of initialization required. (check-in: 361940b4 user: drh tags: trunk) | |
| 20:43 | Reduce the width of a memset() to avoid double-initializing some variables. (check-in: 34edbfd1 user: drh tags: trunk) | |
| 19:32 | Remove an unnecessary memset() call. (check-in: a76bff74 user: drh tags: trunk) | |
| 19:21 | Use sqlite3DbMallocRawNN() where appropriate, instead of sqlite3DbMallocRaw(). (check-in: 54a449a4 user: drh tags: trunk) | |
| 16:53 | Make sure deleting an unused prepared statement does not reference uninitialized fields in the structure. (check-in: 7983eef0 user: drh tags: trunk) | |
| 11:39 | Avoid accessing Vdbe.pc if it is uninitialized. Check Vdbe.magic first. (check-in: 6ac6e446 user: drh tags: trunk) | |
| 00:37 | Avoid unnecessary zeroing of fields in the Vdbe object when it is allocated. (check-in: 1e21bbe8 user: drh tags: trunk) | |