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479 check-ins using file src/tokenize.c version 78c8085bc7
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2017-02-17
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| 21:23 | Increase the estimated cost of sorting when sorting wide results sets, to account for the extra storage space and I/O required for the external sort. (Leaf check-in: 38298ef923 user: drh tags: apple-increased-sorting-cost) | |
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2016-12-12
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| 01:30 | Size and performance optimization in btreeInitPage() in the freeblock validation step. (check-in: 57deb1b412 user: drh tags: trunk) | |
| 00:58 | Change the order of comparison for divider cell overflow in balance non-root to avoid a (harmless) reference to an uninitialized variable. (check-in: f9f2e23bbd user: drh tags: trunk) | |
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2016-12-10
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| 13:12 | Avoid an unnecessary memset() in the sqlite3BtreeInsert() routine. (check-in: 35ecd4ebc5 user: drh tags: trunk) | |
| 12:58 | Reorder the fields in the VdbeCursor object so that those that need to be bulk zeroed on allocation are grouped at the beginning, and the memset() only runs over those fields that really need it. (check-in: 8165f88bb1 user: drh tags: trunk) | |
| 04:06 | Avoid signed integer overflow when dealing with a LIMIT and OFFSET whose sum exceeds the maximum integer value. (check-in: c9bdf7adb4 user: drh tags: trunk) | |
| 00:14 | In balance_nonroot, try to combine dropCell/insertCell combinations for the dividers into a cell overwrites. This results in a very small (0.05%) performance gain which is probably not worth the added complexity. (Closed-Leaf check-in: 478627c9e9 user: drh tags: failed-dropCell-opt) | |
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2016-12-09
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| 19:42 | When doing the sqlite3BtreeInsert() overwrite optimization, make sure the memcpy() does not extend off the end of the page. (check-in: 684ef4582e user: drh tags: trunk) | |
| 18:09 | Additional comments and an assert on the sqlite3BtreeInsert() overwrite optimization. (check-in: c1f0ae9d29 user: drh tags: trunk) | |
| 17:32 | In sqlite3BtreeInsert() when replacing a re-existing row, try to overwrite the cell directly rather than deallocate and reallocate the cell. (check-in: 0b86fbca66 user: drh tags: trunk) | |
| 16:12 | Fix an fts5 bug that could cause a crash following an OOM error or sqlite3_interrupt() interrupt. (check-in: 0ea3ece988 user: dan tags: trunk) | |
| 16:02 | Avoid unnecessary zeroing of fields in the MemPage object that are going to be reinitialized before use anyhow. A smaller and faster binary results. (check-in: 01ada3d106 user: drh tags: trunk) | |
| 00:15 | Fix an obscure problem in range estimation with STAT4. (check-in: 1f16c9a76b user: drh tags: trunk) | |
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2016-12-08
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| 23:52 | Fix the showstat4 utility program so that is displays strings using standard SQL notation (single quotes) rather than C-style notation. (check-in: 92998e4afb user: drh tags: trunk) | |
| 19:04 | Fix a minor error in the cg_anno.tcl script causing the cycles-per-file counts to be miscomputed. (check-in: b26df26e18 user: drh tags: trunk) | |
| 18:36 | Update the tool/cg_anno.tcl script to give a summary of cycle counts by canonical source file name. (check-in: 254a83bf30 user: drh tags: trunk) | |
| 01:38 | More changes to take advantage of the sqlite3VdbeAppendP4() method. (check-in: 83bc5e40af user: drh tags: trunk) | |
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2016-12-07
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| 21:35 | Add the sqlite3VdbeAppendP4() method for adding P4 content to the most recently coded instruction. (check-in: 28883e8f3e user: drh tags: trunk) | |
| 20:22 | The use P4_DYNAMIC in place of the P4_MPRINTF operand type. (check-in: 3954f83798 user: drh tags: trunk) | |
| 20:09 | Performance optimization for sqlite3VdbeAddOp4(). (check-in: 04716c907b user: drh tags: trunk) | |
| 17:06 | Put the SQLITE_UNTESTABLE compile-time option in the correct order for PRAGMA compile_options. (check-in: 24574a15a3 user: drh tags: trunk) | |
| 15:49 | Rename the SQLITE_OMIT_BUILTIN_TEST compile-time option to SQLITE_UNTESTABLE. (check-in: f360818737 user: drh tags: trunk) | |
| 15:38 | Prevent the flattening or where-term push-down optimizations from obscuring misuses of SQL row values that can lead to crashes or assert() failures. (check-in: 433d16ff3a user: dan tags: trunk) | |
| 13:49 | Always honor the sqlite3.dbOptFlags bitmask, regardless of compile-time options. Continuing fix for ticket [da78413751863]. (check-in: afab166313 user: drh tags: trunk) | |
| 07:46 | Merge latest trunk changes into this branch. (Leaf check-in: 391344d88a user: dan tags: changebatch) | |
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2016-12-06
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| 22:47 | Performance improvement and size reduction in the Expr node allocator function sqlite3PExpr(). (check-in: 2a81763e68 user: drh tags: trunk) | |
| 19:33 | Add missing nul-terminator to a Tcl_AppendResult() call in tclsqlite.c. (check-in: 0820f8b3de user: dan tags: trunk) | |
| 17:59 | In the LEMON parser-generator, fix the stack overflow processing so that it correct invokes the destructor on the top-level of the parse stack. (check-in: e8247065cf user: drh tags: trunk) | |
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2016-12-05
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| 20:16 | Fix a harmless redundant local variable declaration in the date/time function logic. (check-in: b4bc40d183 user: drh tags: trunk) | |
| 20:06 | Work around a bug in the definition of "ino_t" on some versions of Android. (check-in: 8df492c171 user: drh tags: trunk) | |
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2016-12-02
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| 19:07 | Simplify the date/time function logic for improved rebustness and also to decrease the size of the binary. (check-in: 6e144735ed user: drh tags: trunk) | |
| 17:08 | Extend the valid range of 'unixepoch' dates from JulianDay 0 through 9999-12-31. (check-in: 768c9859b2 user: drh tags: trunk) | |
| 14:15 | Fix a potential integer overflow during out-of-bound date computations. (Closed-Leaf check-in: 3c58b173d9 user: drh tags: date-overflow-fix) | |
| 02:19 | Test cases for the improved LIKE/GLOB matcher. (check-in: 0bdb7ae126 user: drh tags: trunk) | |
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2016-12-01
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| 19:58 | Avoid clearing the EP_FromJoin flag from terms in ON clauses when flattening sub-selects. Possible fix for [2df0107b]. (check-in: a427c40528 user: dan tags: trunk) | |
| 19:38 | Avoid clearing the EP_FromJoin flag from terms in ON clauses when flattening sub-selects. Possible fix for [2df0107b]. (Closed-Leaf check-in: 8bed4cd549 user: dan tags: left-join-fix) | |
| 18:57 | Performance improvement for GLOB and LIKE matching for patterns with two or more multi-character wildcards ("*" or "%"). (check-in: 2df0ebf95f user: drh tags: trunk) | |
| 18:49 | Faster version of patternCompare() that uses new return values rather than an extra parameter to communicate wildcard information back up to parent searches. (Closed-Leaf check-in: a1e2b6ce3a user: drh tags: pattern-compare-optimization) | |
| 17:34 | Modify the patternCompare() function (used for GLOB, LIKE) to better handle patterns containing multiple wildcard characters ("*", "%"). (check-in: c5e5614d98 user: dan tags: pattern-compare-optimization) | |
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2016-11-30
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| 16:54 | Add the remember(V,PTR) extension function which copies an SQL value into an application variable. (check-in: d2d30914d8 user: drh tags: trunk) | |
| 16:39 | Merge all the latest changes from trunk. (check-in: 7ca58a07d3 user: drh tags: est_count_pragma) | |
| 14:47 | Fix then handling of the (oversized) integer literal -0x8000000000000000. (check-in: 3816bb415e user: drh tags: trunk) | |
| 05:08 | Change the OP_DecrJumpZero opcode back to its old behavior of always decrementing, except top the decrementing when it reaches the largest negative number. (check-in: 9d0d8c2e7c user: drh tags: trunk) | |
| 04:07 | More improvements to boundary cases in the date/time functions, flowing out of branch coverage testing. (check-in: 1218005ab7 user: drh tags: trunk) | |
| 01:05 | Prevent a warning about integer overflow when using a very large negative LIMIT. (check-in: 96106d5620 user: drh tags: trunk) | |
| 00:48 | Further changes to the date/time functions to suppress harmless signed integer overflow warnings that could have occurred when doing out-of-range date calculations which, according to the docs, give undefined results. (check-in: dc453b3403 user: drh tags: trunk) | |
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2016-11-29
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| 20:39 | The documentation says that the built-in date-time functions give undefined results for dates before 0000-01-01 and after 9999-12-31. Change the actually implementation so that the answer given is really NULL. This also avoids unnecessary hand-wringing over an signed integer overflow that might otherwise occur when processing out-of-bound dates. (check-in: d410a83975 user: drh tags: trunk) | |
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2016-11-28
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| 21:22 | Fix broken hyperlinks to the sqlite3_snapshot objection definition in the documentation. No changes to code. (check-in: 9021f6875f user: drh tags: trunk) | |
| 19:13 | Version 3.15.2 (Leaf check-in: bbd85d235f user: drh tags: release, version-3.15.2, branch-3.15) | |
| 14:52 | Simplify some code in fts5_expr.c. Add some extra test cases for the same. (check-in: 7cc2d60dce user: dan tags: trunk) | |
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2016-11-26
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| 20:44 | Merge all recent trunk changes, and especially the new sqlite3_snapshot_recover() interface. (check-in: 41a3af5443 user: drh tags: apple-osx) | |
| 20:12 | Update test case for opening SHM files read/write on a read-only connection so that they are only attempted on Darwin with SQLITE_ENABLE_PRESIST_WAL. (check-in: d6a7bf80cf user: drh tags: apple-osx) | |
| 19:44 | Add the sqlite3_snapshot_recover() interface and related functionality. (check-in: b70c85ce6d user: drh tags: trunk) | |
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2016-11-25
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| 20:20 | Clarification of the behavior of sqlite3_stmt_readonly() on BEGIN IMMEDIATE statements. The is comment changes only - no changes to code. (check-in: a4205a83e4 user: drh tags: trunk) | |
| 19:32 | Remove the OP_RowKey opcode. Use OP_RowData in its place. (check-in: 6ac7b07a4a user: drh tags: trunk) | |
| 19:18 | Refactor the sqlite3BtreeKey() and sqlite3BtreeData() internal interfaces into sqlite3BtreePayload() and sqlite3BtreePayloadChecked(), respectively. This is a continuation of the optimization started by check-in [2d831074cf]. The result is a slightly smaller and faster binary. (check-in: 49ebc219fa user: drh tags: trunk) | |
| 17:03 | Small performance increase and size reduction in the OP_Column opcode. (check-in: a9498407e6 user: drh tags: trunk) | |
| 15:47 | Performance enhancement to sqlite3_snprintf(). (check-in: c53dca7fad user: drh tags: trunk) | |
| 15:11 | Performance improvement in sqlite3StrAccumFinish() for the common case where no memory allocation is required. (check-in: b6acf5d4ef user: drh tags: trunk) | |
| 14:30 | Add a comment to help clarify the EP_FromJoin hack in exprCodeBetween(). (check-in: 6df7c5747e user: drh tags: trunk) | |
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2016-11-24
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| 13:42 | Fix a test case in vacuum5.test so that it works with the in-memory journal permutation. Cherrypick of [81c86401]. (check-in: e31d646a31 user: dan tags: branch-3.15) | |
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2016-11-23
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| 23:18 | Fix the error message for invalid ".mode" arguments in the command-line shell, so that it mentions the new "quote" mode. (check-in: 9a603a18ef user: drh tags: trunk) | |
| 21:33 | Updates makefiles and build scripts on windows to used Tcl 8.6. (check-in: f693850aff user: drh tags: branch-3.15) | |
| 21:14 | Update the version number to 3.15.2. (check-in: 86dc74cb10 user: drh tags: branch-3.15) | |
| 21:13 | Code constant vector components outside of any loops in CASE and BETWEEN expressions. Fix for [1a684656]. (check-in: 4c6efe600d user: drh tags: branch-3.15) | |
| 21:08 | Prevent a possible use-after-free bug in the query optimizer. (check-in: 661b45068f user: drh tags: branch-3.15) | |
| 21:01 | Disable the query flattener optimization for SELECT statements that are on the RHS of vector IN operators. This is a hack that fixes the bug described in ticket [da7841375186386c]. A better solution that does not disable the query flattener is needed, but this will server for the time being. (check-in: 27438fb43d user: drh tags: branch-3.15) | |
| 20:44 | Fix a potential use-after-free error during parsing of malformed CREATE TABLE statement. (check-in: 0f95659799 user: drh tags: branch-3.15) | |
| 20:37 | Fix an fts5 problem causing a crash in phrase queries where the first token of the phrase matches one or more rows but some other token within the phrase matches zero. (check-in: 4efd331e9c user: drh tags: branch-3.15) | |
| 20:31 | Fix OOM error reporting in the json1_group_object() SQL function. Remove an unreachable branch from the JSON1 logic. (check-in: 6492e57e65 user: drh tags: branch-3.15) | |
| 20:24 | Fix the JSON1 extension so that the JSON validator correctly rejects malformed backslash escapes within string literals. (check-in: 7c46628380 user: drh tags: branch-3.15) | |
| 20:19 | Avoid a crash that can occur after an obscure OOM in the built-in INSTR() function. (check-in: 8a55b8e179 user: drh tags: branch-3.15) | |
| 20:12 | Mark the ICU extension functions as deterministic. (check-in: 8fd2fccefb user: drh tags: branch-3.15) | |
| 19:43 | Handle some obscure "row value misused" cases that could cause segfaults or assertion failures. (check-in: 794763fd6c user: drh tags: branch-3.15) | |
| 19:40 | Take care not to try to generate code for the ATTACH and DETACH commands if there were syntax errors during parsing. Fix for ticket [2f1b168ab4d4844] (check-in: f8cf7ff156 user: drh tags: branch-3.15) | |
| 19:31 | Code constant vector components outside of any loops in CASE and BETWEEN expressions. Fix for [1a684656]. (check-in: c08aff13ea user: dan tags: trunk) | |
| 14:19 | Correctly display the names of SQL functions in the VDBE_PROFILE output. (check-in: 161192f172 user: drh tags: trunk) | |
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2016-11-22
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| 22:23 | Merge bug fixes and enhancements from trunk. (Closed-Leaf check-in: e2c4bdf54f user: drh tags: serializable-snapshot) | |
| 21:11 | Enclose the sqlite3WalSnapshotRecover() routine within (check-in: e7be3183eb user: drh tags: serializable-snapshot) | |
| 20:29 | Add a new requirement mark for CAST expressions. (check-in: bee2859b95 user: drh tags: trunk) | |
| 19:15 | Update requirement marks to reflect changes in wording in the documentation. No changes to code. (check-in: f5ac98efb5 user: drh tags: trunk) | |
| 01:26 | Remove unnecessary OP_Close opcodes for a size reduction and performance increase. (check-in: 32be7aae92 user: drh tags: trunk) | |
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2016-11-21
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| 21:33 | Remove unnecessary OP_Close opcodes at the end of INSERT operations, resulting in smaller and faster code. (check-in: abeddb6d5a user: drh tags: trunk) | |
| 18:15 | Enhance speedtest1.c so that is works on older versions of SQLite, before the introduction of the group_concat() aggregate function. (check-in: 9979ba80a6 user: drh tags: trunk) | |
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2016-11-20
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| 17:59 | Fix harmless compiler warnings. (check-in: b3b7b42d9a user: drh tags: trunk) | |
| 12:00 | Prevent a possible use-after-free bug in the query optimizer. (check-in: 0a98c8d76a user: drh tags: trunk) | |
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2016-11-19
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| 18:31 | Remove the requirement to open the wal file before sqlite3_snapshot_recover() is called. Also add some comments to new functions. (check-in: 28393c413c user: dan tags: serializable-snapshot) | |
| 17:30 | Test some extra error conditions in sqlite3_recover_snapshot(). (check-in: db314213c0 user: dan tags: serializable-snapshot) | |
| 17:20 | Add another fault-injection test for sqlite3_snapshot_recover(). (check-in: 7e04040613 user: dan tags: serializable-snapshot) | |
| 16:35 | Fix a problem causing sqlite3_snapshot_recover() to return SQLITE_IOERR_SHORT_READ. (check-in: 525f75fa9f user: dan tags: serializable-snapshot) | |
| 14:53 | Fix a bug in sqlite3_snapshot_recover() that could cause subsequent read transactions to use out-of-data cache entries. (check-in: 9abeb7980a user: dan tags: serializable-snapshot) | |
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2016-11-18
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| 20:49 | Add experimental sqlite3_snapshot_recover() API. (check-in: 174a6076a8 user: dan tags: serializable-snapshot) | |
| 18:43 | Require that the database handle be in autocommit mode for sqlite3_snapshot_get() to succeed. This is because it may open a read transaction on the database file. (check-in: 83b658dad0 user: dan tags: serializable-snapshot) | |
| 18:22 | Add tests for snapshot interfaces. (check-in: 1f7ee7af7b user: dan tags: serializable-snapshot) | |
| 14:38 | Enhance existing snapshot tests to serialize/deserialize snapshots. No new tests. (check-in: 16b9bf9274 user: dan tags: serializable-snapshot) | |
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2016-11-17
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| 21:52 | Experimental changes for faster in-memory DB operation for large databases. (Closed-Leaf check-in: 4fe94b0f18 user: drh tags: memdb-opt) | |
| 20:05 | Fix a problem in rtreeD.test causing it to fail in OMIT_BUILTIN_TEST builds. (check-in: d6b3779e6d user: dan tags: trunk) | |
| 14:02 | When opening the *-shm file for a readonly database, try to open it in read-write mode before falling back to readonly. This is in case some other read/write connection within the same process uses the same file descriptor. (check-in: a07c581e88 user: dan tags: apple-osx) | |
| 13:54 | Change the --enable-debug option on configure so that it enables the ".selecttrace" and ".wheretrace" commands in the command-line shell. (check-in: 2331192b4c user: drh tags: trunk) | |
| 13:13 | Disable the query flattener optimization for SELECT statements that are on the RHS of vector IN operators. This is a hack that fixes the bug described in ticket [da7841375186386c]. A better solution that does not disable the query flattener is needed, but this will server for the time being. (check-in: 005d5b8706 user: drh tags: trunk) | |
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2016-11-15
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| 21:17 | Add a needed #include to speedtest1.c. (check-in: 77aeb705c3 user: drh tags: trunk) | |
| 17:37 | Experimental changes toward making snapshots serializable. (check-in: b6a81fa1fc user: drh tags: serializable-snapshot) | |
| 04:00 | Change the OP_Last opcode so that it is a no-op if the cursor is already pointing at the end of the b-tree. (check-in: 663473850c user: drh tags: trunk) | |
| 02:46 | Make the VACUUM command about 9% faster by avoiding unnecessary calls to sqlite3BtreeMovetoUnpacked() while copying rowid tables. (check-in: 5ed0bd3876 user: drh tags: trunk) | |
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2016-11-14
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| 20:47 | Add 8794 new test cases received from the OSS-FUZZ project. (check-in: 03f75a67c3 user: drh tags: trunk) | |
| 20:08 | Fix a potential use-after-free error during parsing of malformed CREATE TABLE statement. (check-in: c5dbc599b9 user: drh tags: trunk) | |
| 18:27 | Enhance fuzzcheck.c to accept database-specific configuration parameters in the option CONFIG table. Add the fuzzdata5.db fuzz database containing test cases from OSS-FUZZ. (check-in: a71fad4538 user: drh tags: trunk) | |
| 17:25 | Fix the ossfuzz.c test module so that it does not segfault after a "PRAGMA empty_result_callbacks=1;". Add the ossshell.c program for simple command-line testing of ossfuzz.c. (check-in: 6f2d43eca6 user: drh tags: trunk) | |
| 15:28 | Avoid unnecessary calls to sqlite3ExprCacheAffinityChange() when generating OP_MakeRecord opcodes that do not change any register affinities. (check-in: e211c579b2 user: drh tags: trunk) | |
| 08:19 | Fix an fts5 problem causing a crash in phrase queries where the first token of the phrase matches one or more rows but some other token within the phrase matches zero. (check-in: e78f6f3bbf user: dan tags: trunk) | |
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2016-11-11
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| 20:37 | Fix harmless compiler warnings in test code for MSVC. (check-in: 7b76be4117 user: drh tags: trunk) | |
| 19:08 | Avoid storing redundant fields in sorter records when the sort-key and data have fields in common. (check-in: b835cf3e50 user: drh tags: trunk) | |
| 19:01 | Enhance the OP_IdxInsert opcode so that it can used unpacked key values if they are available. Update the code generator to take advantage of this new capability. The speedtest1.c test is about 2.6% faster as a result. Later: This also introduced bug [30027b613b]. Bummer. (check-in: 925840cfdb user: drh tags: trunk) | |
| 18:45 | Merge trunk with this branch. (Closed-Leaf check-in: dd62d2de6e user: dan tags: sorter-opt) | |
| 18:19 | Remove obselete and unused logic in the update code generator. Fix the sqlite3BtreeMovetoUnpacked() routine so that it remembers the rowid of the row that it landed on. (Closed-Leaf check-in: 1a587d72f9 user: drh tags: unpacked-IdxInsert) | |
| 18:08 | Reenable the SQLITE_EXPR_REF optimization for "SELECT DISTINCT ... ORDER BY" queries. (check-in: 6e2e9d383f user: dan tags: sorter-opt) | |
| 17:52 | Merge enhancements and bug-fixes from trunk. (check-in: 5515b827dc user: drh tags: unpacked-IdxInsert) | |
| 17:08 | Fix a problem with switching from wal to rollback mode when SQLITE_DBCONFIG_NO_CKPT_ON_CLOSE is configured. (check-in: 46e0016207 user: dan tags: trunk) | |
| 16:33 | Add the test/ossfuzz.c interface adaptor for OSS-FUZZ. Make previsions for testing the adaptor using fuzzcheck.c. (check-in: 119d6ef847 user: drh tags: trunk) | |
| 15:49 | Handle some obscure "row value misused" cases that could cause segfaults or assertion failures. (check-in: fba5fddb1c user: dan tags: trunk) | |
| 14:54 | Back out the "--raw" option on ".read" in the command-line shell. Instead, fix the command-line shell so that if EOF is reached without seeing a final semicolon, it goes ahead and passes the accumulated SQL text to SQLite. (check-in: f98c8ac8c4 user: drh tags: trunk) | |
| 09:51 | Add extra tests for the xBestIndex() virtual table method. (check-in: 642a8fba91 user: dan tags: trunk) | |
| 05:19 | In the command line shell, avoid using utf8_printf() in a couple places where it is superfluous. (check-in: 6311a8bdb1 user: mistachkin tags: trunk) | |
| 04:37 | Add the --raw option to the ".read" dot-command of the command-line shell, to cause the named file to be read and sent directly into sqlite3_exec() without any interpretation. (check-in: 09233770b2 user: drh tags: trunk) | |
| 03:37 | Take care not to try to generate code for the ATTACH and DETACH commands if there were syntax errors during parsing. Fix for ticket [2f1b168ab4d4844] (check-in: b0ff183b8f user: drh tags: trunk) | |
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2016-11-10
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| 21:19 | Break up the sqlite3BtreeMovetoUnpacked() routine into an eponymous routine and sqlite3BtreeMovetoIntkey(). Each routine specializes in a single kind of btree. (Leaf check-in: 9a64a4f235 user: drh tags: split-moveto) | |
| 20:42 | Avoid a few unnecessary calls to sqlite3BtreeMovetoUnpacked(). (check-in: eac0e827a6 user: drh tags: unpacked-IdxInsert) | |
| 20:14 | Avoid storing redundant fields in sorter records when the sort-key and data have fields in common (as in "SELECT a FROM t1 ORDER BY 1"). (check-in: 0af62fdbd8 user: dan tags: sorter-opt) | |
| 17:01 | When doing a REPLACE on a WITHOUT ROWID table with no secondary indexes, bypass the OP_NoConflict/OP_Delete sequence and directly overwrite any preexisting row, for a performance increase. (check-in: f7041cbb63 user: drh tags: unpacked-IdxInsert) | |
| 16:07 | Remove C++ style comments. No code changes. (check-in: 42f8aa6231 user: drh tags: unpacked-IdxInsert) | |
| 14:24 | Add the unpacked key fields to OP_IdxInsert for INSERT and UPDATE statements. (check-in: 67602e40f1 user: drh tags: unpacked-IdxInsert) | |
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2016-11-09
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| 20:14 | Comment changes that attempt to better explain the behavior of the "seekResult" field on VdbeCursor objects and the seekResult parameter to sqlite3BtreeInsert() and the OPFLAG_USESEEKRESULT flag on insert opcodes. No changes to code. (check-in: 345b46be75 user: drh tags: unpacked-IdxInsert) | |
| 16:03 | Fix a simple comment typo. No changes to code. (check-in: 51d0aed8d6 user: drh tags: unpacked-IdxInsert) | |
| 01:46 | Fix typo in the CSV extension. (check-in: b488958824 user: mistachkin tags: trunk) | |
| 01:38 | Make use of the unpacked key on the OP_IdxInsert on sorters with a LIMIT. (check-in: 42db7cd2c0 user: drh tags: unpacked-IdxInsert) | |
| 01:19 | Fix a typo on the OP_IdxInsert documentation. No code changes. (check-in: e4acd98207 user: drh tags: unpacked-IdxInsert) | |
| 01:07 | Add a DISTINCT query to speedtest1.c. Also change INSERT OR REPLACE into just REPLACE. (check-in: 754ee84495 user: drh tags: trunk) | |
| 00:57 | Remove the "experimental" marking from the sqlite3_preupdate interfaces. But be sure all the interface definitions are within documentation. (check-in: d6dd2ad35e user: drh tags: trunk) | |
| 00:10 | Enhance the OP_IdxInsert opcode to optionally accept unpacked key material. (check-in: 89d958abba user: drh tags: unpacked-IdxInsert) | |
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2016-11-08
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| 19:22 | Avoid superfluous cursor seeks in "INSERT OR REPLACE" statements. (check-in: bec5b6d4d0 user: dan tags: trunk) | |
| 17:19 | Avoid generating OP_TableLock unnecessary instructions on btrees that are not sharable. (check-in: 8cb8516d20 user: drh tags: trunk) | |
| 16:27 | Fix the speedtest1.c test program so that it gives closing "%" wildcards on LIKE searches. (check-in: c2f84f637f user: drh tags: trunk) | |
| 00:30 | Tweaks to speedtest1.c to better reflect mobile usage based on findings in the "Pocket Data" paper by Kennedy, Ajay, Challen, and Ziarek. (check-in: b5733cae3c user: drh tags: trunk) | |
|
2016-11-07
| ||
| 18:18 | Fix OOM error reporting in the json1_group_object() SQL function. Remove an unreachable branch from the JSON1 logic. (check-in: b540984915 user: drh tags: trunk) | |
| 15:15 | Replace some unreachable branches from the JSON1 extension with assert(). (check-in: 145cd13e3c user: drh tags: trunk) | |
| 13:37 | Fix the JSON1 extension so that the JSON validator correctly rejects malformed backslash escapes within string literals. (check-in: 7a63539169 user: drh tags: trunk) | |
|
2016-11-04
| ||
| 19:09 | Merge recent trunk changes, including all the fixes that appeared in version 3.15.1. (check-in: 0e5ffd9123 user: drh tags: apple-osx) | |
| 12:08 | Version 3.15.1 (check-in: 1136863c76 user: drh tags: release, version-3.15.1, branch-3.15) | |
| 12:05 | Avoid a crash that can occur after an obscure OOM in the built-in INSTR() function. (check-in: b86b79c442 user: dan tags: trunk) | |
| 12:03 | Mark the ICU extension functions as deterministic. (check-in: afbbb6c66a user: drh tags: trunk) | |
| 11:23 | Add an assert() to silence a coverity false-positive. (check-in: 97354093bc user: drh tags: trunk) | |
| 07:25 | Fix a test case in vacuum5.test so that it works with the in-memory journal permutation. (check-in: 81c8640146 user: dan tags: trunk) | |
|
2016-11-03
| ||
| 21:35 | Replace a couple more references to Tcl 8.5 in the Windows build tools. (check-in: 1d0e43c549 user: mistachkin tags: trunk) | |
| 19:27 | Fix a test case in vacuum5.test so that it works with -DSQLITE_TEMP_STORE=2 and -DSQLITE_ENABLE_ATOMIC_WRITE.. (check-in: 752e14d9b4 user: dan tags: branch-3.15) | |
| 19:24 | Fix a test case in vacuum5.test sot aht it works with -DSQLITE_ENABLE_ATOMIC_WRITE. (check-in: 3ca8001039 user: dan tags: trunk) | |
| 19:01 | Fix a test case in vacuum5.test so that it works with -DSQLITE_TEMP_STORE=2. (check-in: f5dd95e25c user: dan tags: trunk) | |
| 18:49 | Add the SQLITE_FCNTL_WIN32_GET_HANDLE file control. (check-in: 5221e3cc6f user: drh tags: branch-3.15) | |
| 18:44 | Increase the version number to 3.15.1. (check-in: ccdcce468f user: drh tags: branch-3.15) | |
| 18:38 | Escape non-ASCII character from an ICU extension comment. (check-in: ee16fedd20 user: drh tags: branch-3.15) | |
| 18:36 | Fix an issue that was causing the new database image to be assembled entirely in heap memory when VACUUMing a database, even if it should use a temp file. This could cause SQLITE_NOMEM errors when vacuuming very large databases on 32-bit systems. (check-in: 3fae483fae user: drh tags: branch-3.15) | |
| 18:35 | 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: aba1e22bba user: drh tags: branch-3.15) | |
| 18:33 | If all branches of an OR optimize scan that is the rhs of a LEFT JOIN use the same index, set the index cursor to return NULL values if there are no matches for a row on the lhs. Fix for ticket [34a579141b2c5ac] (check-in: 54eeddeceb user: drh tags: branch-3.15) | |
| 18:31 | 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: 0fc4f0f4c2 user: drh tags: branch-3.15) | |
| 18:30 | Avoid using the "direct overflow read" optimization to read large blobs if the pager layer has a wal file open - even if the database header indicates that the db is not a wal database. (check-in: 63cfe19724 user: drh tags: branch-3.15) | |
| 13:12 | In the command-line shell, fix the .imposter command so that it works with indexes on expressions. Fix the ".mode quote" mode so that it works with ".headers ON". (check-in: ba9873da94 user: drh tags: trunk) | |
| 13:01 | Add the ".imposter" command to the command-line shell. (check-in: be3ec8fdcf user: drh tags: trunk) | |
| 02:25 | Fix an possible NULL pointer deference in the command-line shell that can occur when using imposter mode. (check-in: ad08753a8b user: drh tags: trunk) | |
|
2016-11-02
| ||
| 19:49 | Adjust the MSVC makefile to use Tcl8.6 by default. (check-in: def8f598b8 user: drh tags: trunk) | |
| 14:50 | Fix an issue that was causing the new database image to be assembled entirely in heap memory when VACUUMing a database, even if it should use a temp file. This could cause SQLITE_NOMEM errors when vacuuming very large databases on 32-bit systems. (check-in: 3028845329 user: dan tags: trunk) | |
| 13:18 | Fix a requirement mark. No changes to code. (check-in: d18f61b78c user: drh tags: trunk) | |
| 02:17 | Use NOT NULL partial indexes when the query is constrained by a single LIKE or GLOB. (check-in: 9b3a3b41b5 user: drh tags: trunk) | |
|
2016-10-31
| ||
| 16:49 | Add the SQLITE_DBCONFIG_NO_CKPT_ON_CLOSE sqlite3_dbconfig() option - for disabling SQLite's default checkpoint-on-close behaviour. (check-in: 6d142025c7 user: dan tags: trunk) | |
| 16:16 | Add the SQLITE_DBCONFIG_NO_CKPT_ON_CLOSE sqlite3_dbconfig() option - for disabling SQLite's default checkpoint-on-close behaviour. (Closed-Leaf check-in: 093d2fc228 user: dan tags: no-ckpt-on-close) | |
|
2016-10-27
| ||
| 14:51 | Remove the mutex from test_multiplex.c. (check-in: 6374978e8f user: dan tags: trunk) | |
| 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: 619f5cc717 user: drh tags: trunk) | |
|
2016-10-26
| ||
| 18:41 | Small size reduction and performance enhancement in whereScanInit(). (check-in: c23f5ef337 user: drh tags: trunk) | |
| 17:57 | Small size reduction and performance improvement in whereScanNext(). (check-in: d861ee17eb user: drh tags: trunk) | |
| 16:05 | If all branches of an OR optimize scan that is the rhs of a LEFT JOIN use the same index, set the index cursor to return NULL values if there are no matches for a row on the lhs. Fix for ticket [34a579141b2c5ac] (check-in: ec9dab8054 user: dan tags: trunk) | |
| 15:46 | If all branches of an OR optimize scan that is the rhs of a LEFT JOIN use the same index, set the index cursor to return NULL values if there are no matches for a row on the lhs. (Closed-Leaf check-in: e7b9bc678e user: dan tags: leftjoin-or-fix) | |
| 13:58 | Merge the SQLITE_ENABLE_URI_00_ERROR compile-time option. (check-in: 86675ae0ab user: drh tags: trunk) | |
| 13:44 | Add extra tests to check the result of including a %00 escape in a URI when ENABLE_URI_00_ERROR is defined. (Closed-Leaf check-in: 1aaa06e37f user: dan tags: uri-00-error) | |
| 12:58 | Add an elapsed-time output for faststat1.c. (check-in: 7116795134 user: drh tags: est_count_pragma) | |
| 12:15 | Add compile time option SQLITE_ENABLE_URI_00_ERROR. If defined, any "%00" escape found in a URI is treated as an error. (check-in: e8a9bfece2 user: dan tags: uri-00-error) | |
|
2016-10-25
| ||
| 19:39 | Simplifications to faststat1.c. Fix a bug in sqlite3MovetoProportional() for very large b-trees. (check-in: f7f78147c5 user: drh tags: est_count_pragma) | |
| 19:21 | Further refinements to the faststat1.c utility. (check-in: b051fd19bc user: drh tags: est_count_pragma) | |
| 18:28 | Enhance faststat1.c to deal better with WITHOUT ROWID tables. (check-in: 65444f2e35 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: c3570e462a 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: fe49fb0313 user: drh tags: index-info-on-table) | |
| 15:06 | Add test case to demonstrate a "BEGIN EXCLUSIVE" command returning SQLITE_BUSY_SNAPSHOT. (check-in: b115856408 user: dan tags: trunk) | |
| 13:57 | First attempt at a utility program to compute sqlite_stat1 without doing a full table scan. (check-in: 7b83581a43 user: drh tags: est_count_pragma) | |
|
2016-10-24
| ||
| 01:01 | Performance optimization in moveToRoot(). Avoid repeated validity checking of the root page on each call. Once is enough. (check-in: 98795c2dd9 user: drh tags: trunk) | |
|
2016-10-22
| ||
| 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: 5f3e602831 user: drh tags: trunk) | |
|
2016-10-21
| ||
| 21:21 | 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. (Closed-Leaf check-in: b861328ab9 user: dan tags: sessions-fix) | |
| 18:01 | When reading from an index, the shared-cache lock must be on the corresponding table. (check-in: 04fe12b590 user: drh tags: est_count_pragma) | |
| 17:45 | Merge updates from trunk, and especially the ".mode quote" enhancement to the shell. (check-in: 0c8a5b8844 user: drh tags: est_count_pragma) | |
| 17:39 | Add ".mode quote" to the command-line shell. (check-in: c4f5fa78cd user: drh tags: trunk) | |
| 17:25 | Add the btree_sample(INDEX,LOCATION,LIMIT) pragma. (check-in: affc2ef5ee user: drh tags: est_count_pragma) | |
| 15:36 | Fix problems in the est_count pragma for indexes and WITHOUT ROWID tables. (check-in: c39fd9b8f1 user: drh tags: est_count_pragma) | |
| 10:49 | Avoid using the "direct overflow read" optimization to read large blobs if the pager layer has a wal file open - even if the database header indicates that the db is not a wal database. (check-in: b54c15f117 user: dan tags: trunk) | |
| 10:09 | If SQLITE_DIRECT_OVERFLOW_READ is defined at compile time, add "DIRECT_OVERFLOW_READ" to the list of symbols returned by "PRAGMA compile_options". (check-in: b7d9727bff user: dan tags: trunk) | |
|
2016-10-20
| ||
| 22:02 | Experimental est_count pragma. (check-in: 340822afbe 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: fd81d8a430 user: drh tags: multi-arg-pragma) | |
| 11:48 | Add test case to incrblob4.test. No changes to code. (check-in: fd9c6ff05f user: dan tags: trunk) | |
|
2016-10-18
| ||
| 16:36 | Minor simplification of the comparison opcodes. (check-in: 56474ebca3 user: drh tags: trunk) | |
| 15:29 | Fix harmless uninitialized variable warnings in speedtest1.c. (check-in: 2aa7a03b86 user: drh tags: trunk) | |
| 14:35 | Add the --repeat option to speedtest1.c and speed-check.sh. (check-in: 6ca0e06b21 user: drh tags: trunk) | |
|
2016-10-17
| ||
| 18:44 | Escape non-ASCII character from an ICU extension comment. (check-in: 5ec02ecf3d user: mistachkin tags: trunk) | |
| 18:33 | Corrections to a couple recently added 'filectrl.test' results. (check-in: 3d89dc4544 user: mistachkin tags: trunk) | |
| 15:28 | Changes to support interrupting a checkpoint using sqlite3_interrupt(). (check-in: c88d36e251 user: dan tags: trunk) | |
| 00:48 | Small size reduction and performance increase in the string duplicator. (check-in: cda998f080 user: drh tags: trunk) | |
|
2016-10-15
| ||
| 18:37 | Add documentation for the OP_SorterInsert opcode, formerly omitted by mistake. No changes to code. (check-in: 16d88a9077 user: drh tags: trunk) | |
| 08:56 | Add test case to hook.test. No changes to non-test code. (check-in: 2674d779f5 user: dan tags: trunk) | |
|
2016-10-14
| ||
| 21:27 | Add the SQLITE_FCNTL_WIN32_GET_HANDLE file control. (check-in: 16039be373 user: mistachkin tags: trunk) | |
| 21:16 | Bump the version number in anticipation of the next development cycle. (check-in: aa6de9c40b user: drh tags: trunk) | |
| 10:20 | Version 3.15.0 (check-in: 707875582f user: drh tags: trunk, release, version-3.15.0) | |
|
2016-10-13
| ||
| 12:56 | Take care to avoid integer overflow when doing the initial page cache allocation with an excessively large cache_size setting. (check-in: 4d66ac98de user: drh tags: trunk) | |
|
2016-10-12
| ||
| 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: 443913d582 user: drh tags: trunk) | |
| 18:26 | Add to sqlite3_analyzer command-line options --version and --tclsh, and also the undocumented --debug option. (check-in: e87d02d289 user: drh tags: trunk) | |
| 15:15 | New testcase() macros to ensure coverage of the ORDER BY LIMIT optimization code in where.c. (check-in: 61f0526978 user: drh tags: trunk) | |
| 14:48 | Fix a problem affecting queries that match the pattern (... WHERE ipk IN (....) ORDER BY ? LIMIT ?). Fix for [96c1454c]. (check-in: 8e2b25f9b8 user: dan tags: trunk) | |
|
2016-10-10
| ||
| 14:48 | Remove a stray line from session4.test causing a memory leak. No changes to SQLite code. (check-in: 6624c4964b user: dan tags: trunk) | |
| 14:34 | When handling ORDER BY expressions, do not assume all values of an indexed expressions are distinct. Fix for [4766f444]. (check-in: aebe429e52 user: dan tags: trunk) | |
| 13:29 | Make sure indexes on expressions skip over initial NULL values in the index. Fix for ticket [4baa464912129477f3c9] (check-in: 71797ba431 user: drh tags: trunk) | |
| 10:06 | Fix a case in which the rtree module was ignoring an OOM while generating an error message. (check-in: 788f86bebe user: dan tags: trunk) | |
|
2016-10-08
| ||
| 16:10 | Update test/trace3.test to account for the fact that casting a pointer to a 64-bit signed integer might produce a negative value. (check-in: 010ec22541 user: dan tags: trunk) | |
| 13:34 | Corrections to Lemon documentation. No SQLite changes. (check-in: c568ae3eef user: drh tags: trunk) | |
| 11:55 | Add missing "static" to internal function whereRangeVectorLen(). (check-in: cbed3d75cf user: dan tags: trunk) | |
| 09:21 | Updates to the tool/warnings.sh script to make it easier to use on OpenBSD. (check-in: dbe2997f57 user: dan tags: trunk) | |
|
2016-10-05
| ||
| 20:14 | Fix some compiler warnings in fts5. (check-in: b066637bb7 user: dan tags: trunk) | |
| 20:10 | Fix harmless compiler warnings. (check-in: 2dde337512 user: drh tags: trunk) | |
| 15:04 | Add a test case for the fix in [a596b7c6cc]. (check-in: b2ef39b11f user: dan tags: trunk) | |
| 15:02 | Do not set MEM_Blob unless the appropriate fields of the Mem object have been correctly initialized. (check-in: a596b7c6cc user: drh tags: trunk) | |
| 01:33 | Fix the backup_malloc.test script so that it works on Windows. (check-in: d080012daa user: drh tags: trunk) | |
|
2016-10-04
| ||
| 12:20 | Fix a problem with the lempar.c parser template. (check-in: 3a9d802fda user: drh tags: trunk) | |
| 00:47 | Do not bother to initialize unused fields in the BtreePayload object. (check-in: b10d0f939c user: drh tags: trunk) | |
|
2016-10-03
| ||
| 18:13 | Allow deterministic functions in the WHERE clause of a partial index. (check-in: c6e9b94218 user: drh tags: trunk) | |
| 16:33 | Size and performance optimizations on the sqlite3ExprAssignVarNumber() routine. (check-in: 109852e51e user: drh tags: trunk) | |
| 15:28 | Avoid unnecessary strlen() calls in sqlite3ExprAssignVarNumber() by passing in the token length from the parser. (check-in: d15ae2e530 user: drh tags: trunk) | |
| 14:44 | Avoid unnecessary memset() calls in the query optimizer. (check-in: 5bb7cde073 user: drh tags: trunk) | |
| 12:56 | Fix an obsolete comment on a variable definition in expr.c. No code changes. (check-in: 012ff6dd30 user: drh tags: trunk) | |
| 02:59 | Make sure the sqlite_sequence table is updated when an optional xfer optimization is used. Fix for ticket [7b3328086a5c1]. (check-in: 81e4d4f897 user: drh tags: trunk) | |
| 01:21 | Allocate Parse objects off of the stack where appropriate for a substantial performance increase and a size reduction. (check-in: ea8affa9e4 user: drh tags: trunk) | |
|
2016-10-01
| ||
| 23:55 | Add SQLITE_USE_ALLOCA to the --lean configuration in speed-check.sh. (check-in: fe07609efc user: drh tags: trunk) | |
| 21:43 | Rearrange fields in the Parse object to reduce the amount of initialization required. (check-in: 361940b44d user: drh tags: trunk) | |
| 20:43 | Reduce the width of a memset() to avoid double-initializing some variables. (check-in: 34edbfd12d user: drh tags: trunk) | |
| 19:32 | Remove an unnecessary memset() call. (check-in: a76bff74ce user: drh tags: trunk) | |
| 19:21 | Use sqlite3DbMallocRawNN() where appropriate, instead of sqlite3DbMallocRaw(). (check-in: 54a449a41d user: drh tags: trunk) | |
| 16:53 | Make sure deleting an unused prepared statement does not reference uninitialized fields in the structure. (check-in: 7983eef042 user: drh tags: trunk) | |
| 11:39 | Avoid accessing Vdbe.pc if it is uninitialized. Check Vdbe.magic first. (check-in: 6ac6e4462a user: drh tags: trunk) | |
| 00:37 | Avoid unnecessary zeroing of fields in the Vdbe object when it is allocated. (check-in: 1e21bbe836 user: drh tags: trunk) | |
|
2016-09-30
| ||
| 22:24 | Avoid initializing the column-cache section of the Parse object, since entries in the cache will be initialized as they are used, and avoiding the initial memset() saves many CPU cycles. (check-in: 63cf7eafae user: drh tags: trunk) | |
| 21:20 | Fix an always-true conditional left over from the previous commit. (check-in: ab12fce331 user: drh tags: trunk) | |
| 20:22 | Fix the Parse.aColCache column cache so that all of the valid entries are in the first Parse.nColCache slots. (check-in: 6028502059 user: drh tags: trunk) | |
| 19:14 | Another simplification to the Parse object. (check-in: c1419727f5 user: drh tags: trunk) | |
| 18:35 | Remove unnecessary fields from the Parse object. (check-in: 814e41da35 user: drh tags: trunk) | |
| 17:46 | Avoid unnecessary Mem initializations when generating a new sqlite3_stmt object. (check-in: 47ae1cda8d user: drh tags: trunk) | |
|
2016-09-29
| ||
| 20:28 | Small size and performance optimization to sqlite3VdbeChangeP5(). (check-in: 3c93c8f5bb user: drh tags: trunk) | |
| 19:50 | Remove the peep-hole optimization of removing OP_Close opcodes that come before OP_Halt, as the extra work of removing those opcodes uses more cycles than just running them. (check-in: 984a96d796 user: drh tags: trunk) | |
| 19:27 | Size and performance optimization to sqlite3ValueFromExpr() (check-in: 945f82bc44 user: drh tags: trunk) | |
| 15:53 | Clarification and typo-fixes in comments. No changes to code. (check-in: e2cd79aa31 user: drh tags: trunk) | |
|
2016-09-28
| ||
| 20:42 | Use Knuth multiplicative hashing for the symbol table. (check-in: cc29ddd6be user: drh tags: trunk) | |
| 16:15 | Merge recent enhancements from trunk. (check-in: 0601416347 user: drh tags: apple-osx) | |
| 16:05 | Two more typo fixes in comments. (check-in: 40c0fb0af6 user: drh tags: trunk) | |
| 16:04 | Fix typos in comments. No code changes. (check-in: 5bbd071d57 user: drh tags: trunk) | |
|
2016-09-27
| ||
| 00:09 | Update requirements marks due to improvements in the wording of documentation. No changes to code. (check-in: bf903b2eca user: drh tags: trunk) | |
| 00:03 | Fix FTS3 test cases due to the flattener change of the previous check-in. (check-in: 0c8b9b211f user: drh tags: trunk) | |
|
2016-09-26
| ||
| 14:39 | When flattening a query of the form "SELECT * FROM (SELECT * FROM tbl WHERE x=?) WHERE y=?", ensure that the final WHERE clause is "x=? AND y=?" instead of "y=? AND x=?". Although it is still not guaranteed, this makes the order in which WHERE clause terms are processed comport more closely to users expectations. (check-in: cf7f9e6d5a user: dan tags: trunk) | |
| 12:38 | Inline the relevent parts of sqlite3ExprAlloc() into spanExpr(), for a performance improvement. (check-in: fe89225eab user: drh tags: trunk) | |
|
2016-09-24
| ||
| 17:42 | Omit the LikeOp object from the parser. Change more sqlite3PExpr() calls into sqlite3ExprAlloc() calls. (check-in: 795454a3fa user: drh tags: trunk) | |
| 01:41 | Add -DSQLITE_MAX_EXPR_DEPTH=0 to the --lean option on speed-check.sh. (check-in: a8cb1390fc user: drh tags: trunk) | |
|
2016-09-23
| ||
| 21:36 | Add the EP_Leaf flag bit to the Expr.flags field to indicate Expr nodes that do not have substructure. Use that bit to avoid unnecessary recursion. (check-in: 8a6ea455cd user: drh tags: trunk) | |
| 20:59 | Use sqlite3ExprAlloc() instead of sqlite3PExpr() for leaf nodes in the expression tree, where appropriate. This is both smaller and faster. (check-in: afac0709ce user: drh tags: trunk) | |
| 18:13 | New test case for the ORDER BY LIMIT optimization. (check-in: 9a5a489d0d user: drh tags: trunk) | |
|
2016-09-22
| ||
| 21:37 | Fix a potential null-pointer dereference and crash in the case where one thread is calling sqlite3_column_text() and another thread is calling sqlite3_step() on the same prepared statement at the same instant. (check-in: ee1382a363 user: drh tags: trunk) | |
| 18:53 | Remove the internal sqlite3CodeOnce() interface, replacing it with a direct call to sqlite3VdbeAddOp0(v,OP_Once). Slightly smaller and faster. (check-in: c3774c6a5f user: drh tags: trunk) | |
| 18:46 | Makefile changes to support building winsqlite3.dll using STDCALL rather than CDECL. (check-in: 5e892d6093 user: mistachkin tags: trunk) | |
|
2016-09-21
| ||
| 23:58 | Fix speedtest1.c so that it works with SQLITE_OMIT_DEPRECATED. Add the --lean and --cachesize options to speed-check.sh. (check-in: 7785b3a257 user: drh tags: trunk) | |
| 19:43 | Fix a problem with the fts5 auxiliary function API causing a crash when a query contained a phrase of zero terms. (check-in: 0741812d7f user: dan tags: trunk) | |
| 19:00 | Do not run vacuummem.test if ENABLE_MEMORY_MANAGEMENT is defined. (check-in: 4a613d8564 user: dan tags: trunk) | |
| 18:18 | Fix obsolete requirements marks. Add new tests for VACUUM of attached databases. (check-in: 2b44f9aa7d user: drh tags: trunk) | |
| 17:53 | Avoid running vacuum5.test in auto-vacuum mode. (check-in: be184befa0 user: dan tags: trunk) | |
| 17:47 | Do not run test "delete_db.test" with either the journaltest or inmemoryjournal permutations. Ensure that the multiplexor tests in delete_db.test are performed in non-autovacuum mode. (check-in: 46b7d19e02 user: dan tags: trunk) | |
| 14:41 | Update the fts5vocab table to handle "ORDER BY term" efficiently. (check-in: d4928fb5cd user: dan tags: trunk) | |
|
2016-09-20
| ||
| 22:04 | Improved implementation of 64-bit signed integer multiply that correctly detects overflow (and promotes to floating-point) in some corner cases. Fix for ticket [1ec41379c9c1e400] (check-in: db3ebd7c52 user: drh tags: trunk) | |
| 17:49 | Fix harmless compiler warning. (check-in: 7242906395 user: mistachkin tags: trunk) | |
| 17:38 | Fix typo in comment. (check-in: bd3ecbb5c1 user: mistachkin tags: trunk) | |
| 01:46 | Further performance enhancements in zeroblob() handling. (check-in: 21b0e3b75c user: drh tags: trunk) | |
| 01:19 | Avoid unnecessary calls to ExpandBlob() for smaller and faster code. (check-in: 5e196fd181 user: drh tags: trunk) | |
|
2016-09-19
| ||
| 23:39 | Very small optimization in the bytecode engine. (check-in: 46002511e5 user: drh tags: trunk) | |
| 11:00 | Fix a segfault introduced by the row-value enhancement that comes up on a skip-scan where the first term of the index is unconstrained and the second term is of the form "columm IN (SELECT...)". (check-in: 2401ea5acf user: drh tags: trunk) | |
| 10:24 | Improved performance in sqlite3ExprCodeTarget(). (check-in: 75146165dc user: drh tags: trunk) | |
| 02:19 | Small performance optimization in the expression walker. (check-in: c6e6afb939 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: 6bf5ba10d2 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: baceb988c6 user: mistachkin tags: trunk) | |
| 19:34 | Small performance optimization in the freeSpace() routine of btree.c. (check-in: 63962e2a92 user: drh tags: trunk) | |
| 17:39 | Improved description of the ElseNotEq opcode in comments. No changes to code. (check-in: e011435e2f 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: 6fc95dd7a0 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: 03573887db 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: e660402e5e user: drh tags: trunk) | |
| 18:53 | Remove the #ifdef SQLITE_DEBUG from around the testcase_glob() routine in the command-line shell. (check-in: 9885dac4b9 user: drh tags: trunk) | |
| 17:50 | Merge recent changes from trunk. (check-in: e3d9efa277 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: a92aee5520 user: dan tags: trunk) | |
| 15:42 | Replace a faulty assert() with a testcase() to assure the condition is tested. Ticket [0eab1ac7591f]. (check-in: a49bc0a824 user: drh tags: trunk) | |
| 14:50 | Add WHERETRACE macros showing every entry and exit from whereLoopAddBtreeIndex(). (check-in: e7653decdc user: drh tags: trunk) | |
| 11:53 | Fix SQLITE_OMIT_AUTHORIZATION so that it compiles cleanly. (check-in: a3e3b3e1c5 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: 792afefa9c 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: 8e5c920391 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: 62289f27ee 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: 7b10461370 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: b9f5bdbf40 user: drh tags: trunk) | |
| 05:47 | Fix a typo in a comment in sqlite.h.in. No changes to code. (check-in: 12df715210 user: dan tags: trunk) | |
| 00:32 | Slight size reduction and performance increase in sqlite3VdbeHalt(). (check-in: 5990a1bdb4 user: drh tags: trunk) | |
| 00:04 | Optimization to vdbeRecordCompareInt() makes it slightly smaller and faster. (check-in: 5a2a7712cb 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: 55f7f8ee5b 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: 264e9c7587 user: dan tags: trunk) | |
| 13:32 | Add missing "finish_test" command to vacuum5.test. (check-in: 02f40c3b93 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: e0e042dca9 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: 711c59171b user: drh tags: trunk) | |
| 14:43 | Add test code to delete an SQLite database and its auxiliary files. (check-in: 8a9d128119 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: 0e3ace39f2 user: mistachkin tags: test_delete) | |
| 20:23 | Remove an unnecessary call to sqlite3VdbeMemExpandBlob() when casting to text. (check-in: 19e2e59505 user: drh tags: trunk) | |
| 20:00 | Add new file test_delete.c, containing test code for deleting an sqlite database. (check-in: fb0b95e940 user: dan tags: test_delete) | |
| 19:33 | Performance improvements to the comparison operators in the bytecode engine. (check-in: 37803b19d2 user: drh tags: trunk) | |
| 15:12 | Fix a out-of-order variable declaration for some compile-time configurations. (check-in: 6ac932c92a 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: 2bdd838e2c user: drh tags: trunk) | |
| 13:17 | Fix an obsolete comment in the releasetest.tcl source code. (check-in: afaaa276b2 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: 9a14e6c46c user: drh tags: trunk) | |
|
2016-09-08
| ||
| 23:16 | Remove an extra space before function names in the amalgamation. (Closed-Leaf check-in: 20f3c7436f user: mistachkin tags: callbackConv) | |
| 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: 30e917fff0 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: ddb5f0558c 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: 7f2c5c9ee3 user: dan tags: rowvalue) | |
| 18:20 | Merge recent enhancements from trunk. (check-in: 00759af053 user: drh tags: apple-osx) | |
| 18:11 | Add the ext/misc/memvfs.c extension that implements a VFS for read-only database files contained in memory. (check-in: 12b7782a9a user: drh tags: trunk) | |
| 13:30 | Simplify the affinity handling logic in codeAllEqualityTerms(). Logically the same, just a little easier to read and understand. (check-in: bbab9621f5 user: drh tags: rowvalue) | |
| 13:12 | Merge fixes from trunk. (check-in: 193f036c87 user: drh tags: rowvalue) | |
| 10:10 | Fix the ".read" command in the command-line shell so that it understands that the input is not interactive. (check-in: d8451fe84d user: drh tags: trunk) | |
| 01:51 | The ORDER BY LIMIT optimization is not valid unless the inner-most IN operator loop is actually used by the query plan. Fix for ticket [0c4df46116e90f92]. (check-in: 820644b886 user: drh tags: trunk) | |
|
2016-09-06
| ||
| 19:08 | Remove obsolete vector-IN test cases. Fix a bad testcase() macro. (check-in: ab3f8f193a 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: 8329ac6f8d user: drh tags: rowvalue) | |
| 17:21 | Remove an unnecessary branch from expr.c. (check-in: 7cc9746c54 user: dan tags: rowvalue) | |
| 17:13 | Avoid unnecessary memory allocations for aiMap in codeEqualityTerm(). (check-in: 70319c3d76 user: drh tags: rowvalue) | |
| 16:53 | Avoid a NULL pointer deref in codeAllEqualityConstraints() following an OOM. (check-in: c6e528c1c0 user: drh tags: rowvalue) | |
| 16:33 | Simplify the fix in commit [7d9bd22c]. (check-in: bd5a342008 user: dan tags: rowvalue) | |
| 15:25 | Fix the header comment on codeEqualityTerm(). (check-in: b7e710e406 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: 231c72d9f6 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: 4071da2f87 user: drh tags: rowvalue) | |
| 12:04 | Fix a typo in a comment in expr.c. (check-in: 288e934f35 user: dan tags: rowvalue) | |
|
2016-09-05
| ||
| 22:50 | Simplified logic to extract a column from a row value. (check-in: e8f105c300 user: drh tags: rowvalue) | |
| 20:46 | Sync up the MSVC makefiles. (check-in: f66d0d8cf6 user: mistachkin tags: callbackConv) | |
| 20:40 | Merge updates from trunk. (check-in: ea635bf97e user: mistachkin tags: callbackConv) | |
| 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: 2fa5288a7e user: drh tags: rowvalue) | |
| 15:02 | Simplifications to the SQLITE_KEEPNULL flag on VDBE comparison operators. (check-in: 96269f0179 user: drh tags: rowvalue) | |
| 12:12 | Do vector comparison size checking early - at name resolution time - to forestall future problems. (check-in: ae127bcc0a user: drh tags: rowvalue) | |
| 12:02 | Catch vector size mismatch problems during name resolution to avoid later problems. (Closed-Leaf check-in: 56562a0346 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: 42670935ab 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: 7d9bd22c07 user: dan tags: rowvalue) | |
| 16:24 | Merge the fuzzershell enhancement from trunk. (check-in: ed20604848 user: drh tags: rowvalue) | |
| 16:23 | Build the generate_series(START,END,STEP) table-valued function into fuzzershell, to make it easier to construct compact test cases that contain actual data. (check-in: 672c21bcf0 user: drh tags: trunk) | |
| 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: f5e4985541 user: dan tags: rowvalue) | |
| 01:46 | Performance optimizations. (check-in: f1d06c49ba user: drh tags: rowvalue) | |
|
2016-09-02
| ||
| 23:56 | Merge recent changes from trunk. (check-in: c7271fbde1 user: drh tags: rowvalue) | |
| 21:34 | Add a test case for the OOM handled by the previous commit. (check-in: 9bdf7ca1b3 user: dan tags: trunk) | |
| 21:17 | Correctly detect an OOM occurring in the setDestPgsz() subroutine of backup. (check-in: d9d8a048d4 user: drh tags: trunk) | |
| 17:27 | The previous commit could miss an SQLITE_NOMEM error. This commit catches it. (Closed-Leaf check-in: 3a9f4750a6 user: dan tags: mistake) | |
| 17:18 | Within a backup operation, ensure that a read-transaction is opened on the source database before its page size is read. This ensures the page-size used to write to the backup database is the same as its actual page-size, which is important for ZipVFS databases. (check-in: 7908fc6049 user: dan tags: trunk) | |
|
2016-09-01
| ||
| 14:03 | Have "sqldiff --rbu" ignore rows with NULL values in primary key fields. RBU can't handle such rows and the documentation already says sqldiff ignores them. Because the code now uses "=" instead of "IS" to filter on primary key columns, diffs on virtual tables are faster now too. (check-in: f4ba894a86 user: dan tags: trunk) | |
| 09:35 | If SQLITE_ENABLE_ZIPVFS is defined, journal_mode=off is configured and a savepoint or statement rollback is attempted, move the pager into the error state to prevent the transaction from being committed. This makes it safe to use journal_mode=off with zipvfs under some conditions. (check-in: 38d31e189e user: dan tags: trunk) | |
|
2016-08-29
| ||
| 14:18 | Use some of the example code from the sessions documenatation in the sessions test cases. (check-in: 6602974d17 user: dan tags: trunk) | |
|
2016-08-27
| ||
| 20:21 | Fix typos in comments. No changes to running code. (check-in: a07269f2a0 user: drh tags: trunk) | |
| 18:35 | Fix some comments in sqlite3session.h. No changes to code. (check-in: 78cd64e202 user: dan tags: trunk) | |
| 18:34 | Fixes to fts5 snippet() function. (check-in: d464a7b18d user: dan tags: trunk) | |
| 14:13 | Merge updates from trunk. (check-in: 082fd5f8ac user: drh tags: rowvalue) | |
| 14:05 | Fix the extra comments (added with -DSQLITE_ENABLE_EXPLAIN_COMMENTS) so that the sense of <, <=, >, and >= tests is correct and so that the SQLITE_STOREP2 version is shown correctly. These changes are already in the rowvalue branch but are added here since they are technically unrelated to rowvalue. (check-in: 4d43c4698e user: drh tags: trunk) | |
| 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: f51248dcfa 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: 829f802be7 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: b9fc89e432 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: 171aa833a2 user: drh tags: rowvalue) | |
| 19:47 | Add test cases to rowvalue2.test. (check-in: 078bb69e99 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: 4b589fbfcc user: drh tags: rowvalue) | |
| 18:17 | Fix a post-OOM crash in updateRangeAffinityStr(). Add several ALWAYS() macros on unreachable branches. (check-in: 87d40195ae user: drh tags: rowvalue) | |
| 17:54 | Fix a problem with affinity changes and vector range comparisons. (check-in: b34413ac7e user: dan tags: rowvalue) | |
| 13:19 | Allow ROWID values in indexed vector comparisons. (check-in: b0cc6be4eb user: drh tags: rowvalue) | |
| 12:00 | Fix a problem in internal function sqlite3OpenTableAndIndices causing an operand of an unrelated VM instruction to be overwritten. Fix for [ef360601]. (check-in: 7090147903 user: dan tags: trunk) | |
| 04:32 | Rename a test procedure in 'speed3.test' to avoid a name collision. (check-in: 84de17bc68 user: mistachkin tags: trunk) | |
| 03:42 | Comment improvements. Put ALWAYS and NEVER macros on three unreachable branches. (check-in: 397617009e user: drh tags: rowvalue) | |
| 02:10 | Adapt the special case of '$' in item names for test 'vtabH-3.1' as well. (check-in: e4aeaa2bc7 user: mistachkin tags: trunk) | |
| 01:47 | Make the test 'vtabH-3.1' work when there are less than 5 top-level items. (check-in: 328f79bb57 user: mistachkin tags: trunk) | |
| 01:17 | Support running the fstree tests in 'vtabH.test' on Windows when not using the system drive. (check-in: 3680f95ff3 user: mistachkin tags: trunk) | |
| 01:02 | Remove an unreachable branch from sqlite3ExprAffinity() (check-in: 9d96f61481 user: drh tags: rowvalue) | |
|
2016-08-25
| ||
| 23:24 | Fix typos in 'vtabF.test' file. No changes to code. (check-in: a8546feec9 user: mistachkin tags: trunk) | |
| 22:31 | Merge recent changes from trunk. (check-in: 5789aab8ef user: drh tags: rowvalue) | |
| 22:06 | Fix the sqlite3_trace_v2() interface so that it goes disabled if either the callback or mask arguments are zero, in accordance with the documentation. (check-in: 37e6c54b1a user: drh tags: trunk) | |
| 21:14 | Refactor the sqlite3ExprCodeIN() routine for improved maintainability. (check-in: b56705ae63 user: drh tags: rowvalue) | |
| 17:47 | Another fix in the IN-operator algorithm description. (check-in: f474aeac4f user: drh tags: rowvalue) | |
| 17:40 | Further refinement of the in-operator.md documentation. (check-in: df0648373a 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: b634429878 user: drh tags: rowvalue) | |
| 14:23 | Corrections to the IN-operator notes. (check-in: 25033ee945 user: drh tags: rowvalue) | |
| 14:00 | Add notes on the implementation of the IN operator. (check-in: d256b2caeb user: drh tags: rowvalue) | |
|
2016-08-24
| ||
| 21:54 | Simplified VDBE code for the vector NOT IN null-scanning loop. (check-in: 7ae504e62e 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: bbc1b01616 user: drh tags: rowvalue) | |
| 19:58 | Modularize all use of the calling convention macros based on the USE_STDCALL nmake macro. (check-in: e4a56197b0 user: mistachkin tags: callbackConv) | |
| 19:14 | Add the sqlite3changebatch_db() API. (check-in: bee44ebc53 user: dan tags: changebatch) | |
| 18:51 | In sqlite3FindInIndex(), improve internal comments and avoid an unreachable branch. (check-in: 55945fc12f user: drh tags: rowvalue) | |
| 18:50 | Fix a bug in the fts5 snippet function causing it to return text containing zero phrase instances. (Closed-Leaf check-in: b174ed2bde user: dan tags: fts5-snippet-bias) | |
| 18:49 | Merge updates from trunk. (check-in: 428fc38d95 user: mistachkin tags: callbackConv) | |
| 18:21 | Sync up the MSVC autoconf makefile. (check-in: 77f7c31a3a user: mistachkin tags: trunk) | |
| 17:49 | Fix more unreachable branches. (check-in: 6099c180db user: drh tags: rowvalue) | |
| 15:37 | Add a NEVER() on an unreachable branch in comparisonAffinity(). (check-in: 505a2f20ea 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: f41a0391b7 user: dan tags: rowvalue) | |
| 00:51 | The previous OOM fix was bad. Back it out and replace it with a better one. (check-in: 1e3bc3698a user: drh tags: rowvalue) | |
| 00:25 | Avoid a potential null-pointer dereference following an OOM. (check-in: 25f6ed8de4 user: drh tags: rowvalue) | |
|
2016-08-23
| ||
| 19:02 | Simplify the row value misuse error message. (check-in: 838c50a5bf user: drh tags: rowvalue) | |
| 19:02 | Add further tests for changebatch. And a fix to prevent a changeset from conflicting with itself. (check-in: 506d6ff4b6 user: dan tags: changebatch) | |
| 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: e149e6b93a user: drh tags: rowvalue) | |
| 18:09 | Fix harmless compiler warnings in changebatch. (check-in: a721a73818 user: drh tags: changebatch) | |
| 17:30 | Fix an uninitialized variable in CASE expression code generation. (check-in: c8ffae05e1 user: drh tags: rowvalue) | |
| 17:02 | Add a new method to sessions - sqlite3sessions_fullchangeset() - to return a changeset that always contains values for all old.* fields. Update changebatch to use these values to more reliably detect multi-column UNIQUE constraint violations. (check-in: efa761b2f5 user: dan tags: changebatch) | |
| 14:42 | Fix the SQLITE_USER_AUTHENTICATION login check so that the SQLITE_AUTH_USER error code correctly propagates and is not overwritten by SQLITE_ERROR. (check-in: c640489db2 user: drh tags: trunk) | |
|
2016-08-22
| ||
| 21:01 | Add a couple of extra tests to changebatch1.test. (check-in: 207d970b79 user: dan tags: changebatch) | |
| 20:49 | Add an experimental module to detect conflicts between sessions changesets. (check-in: 0c9fd6b723 user: dan tags: changebatch) | |
| 20:10 | Add support for the SQLITE_DBCONFIG_MAINDBNAME configuration option. (check-in: 7839519349 user: drh tags: trunk) | |
| 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: 07e69f43a2 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: 2f39987f21 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: e50d264fdc user: drh tags: rowvalue) | |
| 21:11 | Further comment enhancements. No changes to code. (check-in: d4562a9e7b user: drh tags: rowvalue) | |
| 21:02 | Clarification of code comments in expr.c. Clean up the implementations of sqlite3ExprIsVector() and sqlite3ExprVectorSize() slightly. (check-in: 4fb66d6592 user: drh tags: rowvalue) | |
| 18:06 | Fixes for problems following OOM errors. (check-in: 9041ee4a6f user: drh tags: rowvalue) | |
| 17:23 | Fix other minor problems with the fts5 snippet() function. (check-in: b56b2a85cf user: dan tags: fts5-snippet-bias) | |
| 17:00 | Do not duplicate the Expr.pLeft subtree of a TK_SELECT_COLUMN node. (check-in: 8384c77ebb 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: 203f07c5e1 user: dan tags: rowvalue) | |
| 12:00 | Improvements to the vector comparison splitter in exprAnalyze(). (check-in: a3ffd283bc user: drh tags: rowvalue) | |
| 01:06 | Improvements to comments. No code changes. (check-in: 4165d20f64 user: drh tags: rowvalue) | |
| 00:51 | Add support for vector assignments in the SET clause of an UPDATE statement. (check-in: f320d47d6b user: drh tags: rowvalue) | |
| 00:07 | Change the way TK_SELECT_COLUMN is handled so that the subquery is only generated once even if part of the vector comparison is used for indexing and the other part is now. This change also is a pathway to vector assignment in UPDATE statements. (check-in: d8feea7dcd user: drh tags: rowvalue) | |
|
2016-08-19
| ||
| 19:58 | Replace the magic number (-2) with its symbol XN_EXPR in the exprMightBeIndexed() routine. No logic changes. (check-in: d4a5af69cc user: drh tags: rowvalue) | |
| 19:12 | Improved comments on sqlite3CodeSubquery(). No changes to code. (check-in: acea4ee136 user: drh tags: rowvalue) | |
| 18:40 | Show the WhereTerm.iField value on debugging output, when it is non-zero. (check-in: 931c95358d user: drh tags: rowvalue) | |
| 18:37 | Register any built-in fts5 module before loading automatic extensions. This allows automatic extensions to register fts5 tokenizers and auxiliary functions. (check-in: b10e31dce8 user: dan tags: fts5-snippet-bias) | |
| 18:28 | Fix an obsolete comment on codeEqualityTerm(). No changes to code. (check-in: d07be5afb0 user: drh tags: rowvalue) | |
| 15:41 | Merge recent enhancements from trunk. (check-in: b17872363b user: drh tags: rowvalue) | |
| 15:17 | Merge the VACUUM attached database enhancement from trunk. (Closed-Leaf check-in: 12d5e38d26 user: drh tags: dbconfig_maindbname) | |
| 15:15 | Enhance the VACUUM command so that it can operate on an attached database. (check-in: 083f9e6270 user: drh tags: trunk) | |
| 15:12 | Disable row counting on queries run while doing a VACUUM. (Closed-Leaf check-in: ad35ef1162 user: drh tags: vacuum-attached-db) | |
| 14:25 | Have the fts5 snippet() function avoid favouring snippets that begin with sentences that do not contain search terms. Add an extra bias in favour of the first sentence in the document. (check-in: d8180af2ad user: dan tags: fts5-snippet-bias) | |
| 14:20 | Add the capability to VACUUM an attached database by specifying the schema name as an argument to the VACUUM command. Since version 2.0, VACUUM has accepted an argument which was silently ignored. Now it has meaning. (check-in: 29d63059b4 user: drh tags: vacuum-attached-db) | |
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2016-08-18
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| 22:44 | Add the SQLITE_DBCONFIG_MAINDBNAME interface. (check-in: d6e3d5796c user: drh tags: dbconfig_maindbname) | |
| 22:19 | Change the name of Db.zName to Db.zDbSName for improved long-term code maintainability. (check-in: cb9865e14d user: drh tags: trunk) | |
| 20:56 | Fix a zName to zDbSName conversion missed in the previous check-in. (Closed-Leaf check-in: d7cf423cdc user: drh tags: zDbSName) | |
| 19:04 | Fix a SQL NULL handling bug in the vector IN operator code generation. (check-in: 936146b12e user: drh tags: rowvalue) | |
| 18:09 | Display SELECT_COLUMN expressions in the .wheretrace debugging output. (check-in: 3b27a5da10 user: drh tags: rowvalue) | |
| 17:55 | Display VECTOR expressions in .wheretrace and .selecttrace debugging output. (check-in: 157347e258 user: drh tags: rowvalue) | |
| 15:36 | Since the TK_VECTOR token is not actually used by the parser, make it an extra token code added by the tool/addopcodes.tcl script during parser build. (check-in: b40b202c1f user: drh tags: rowvalue) | |
| 15:21 | Merge recent enhancements from trunk. (check-in: 4768a1066c user: drh tags: rowvalue) | |
| 15:15 | Simplify the vector comparison code generator logic, and the resulting VDBE code. (check-in: e2ad0b5d8e user: drh tags: rowvalue) | |
| 14:47 | Adjust some tests to account for recent changes to the fts5 snippet function. (check-in: 184ecbe9c0 user: dan tags: fts5-snippet-bias) | |
| 14:33 | Rename the Db.zName field to Db.zDbSName to make it more descriptive and to distinguish it from all of the other "zName" variables scattered throughout the code. (check-in: 92a22f0134 user: drh tags: zDbSName) | |
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2016-08-17
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| 19:05 | Bias the fts5 snippet() function to return snippets that look like they start at the start of sentences. (check-in: 60de159476 user: dan tags: fts5-snippet-bias) | |
| 11:14 | Fix a problem in the fts5 snippet() auxiliary function. (check-in: a861713cc6 user: dan tags: trunk) | |
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2016-08-16
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| 16:46 | Fix a bug in destructor processing of Lemon. That has no impact on the SQLite grammar. The bug was introduced by prior work to optimize the Lemon-generated parser used by SQLite. (check-in: f9035b8e2e user: drh tags: trunk) | |
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2016-08-13
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| 14:30 | Questionable changes to support interruptible checkpoint in ZipVFS. (Leaf check-in: c7a9f26d11 user: dan tags: interruptible-checkpoint) | |
| 14:17 | Remove an unnecessary stack variable from sqlite3VdbeExec(). (Closed-Leaf check-in: c54bd9c82d user: drh tags: vector-compare) | |
| 13:03 | Improvements to commits. No code changes. (check-in: 18f5a3bee4 user: drh tags: vector-compare) | |
| 12:37 | Fix to the vector less-than operator. All legacy tests passing now. (check-in: ec70a67ebc user: drh tags: vector-compare) | |
| 10:34 | Fix an fts5 problem with corrupt database handling found by address-sanitizer. (check-in: e22252e1da user: dan tags: trunk) | |
| 10:02 | Attempt to simplify the logic and generated code for vector comparisons. Basic comparison operators are working, but there are many indexing test failures still to be worked through. (check-in: dfc028cfbe user: drh tags: vector-compare) | |
| 06:38 | Fix a buffer overread in fts5. (check-in: fcfbee6c7d user: dan tags: trunk) | |
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2016-08-12
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| 16:21 | Have wal file checkpoints exit early if the sqlite3_interrupt() API function is called. (check-in: 8a5f41c7b1 user: dan tags: interruptible-checkpoint) | |
| 11:25 | Add VdbeCoverage() macros on newly added VDBE branch operations. (check-in: 381aa73141 user: drh tags: rowvalue) | |
| 11:01 | Fix a post-OOM memory leak. (check-in: 14009b32b9 user: drh tags: rowvalue) | |
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2016-08-11
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| 19:12 | Merge version 3.14 plus some subsequent patches (including the page-cache performance patch) from trunk. (check-in: d9f8918c5b user: drh tags: begin-concurrent) | |
| 18:05 | Add the "modeof=<filename>" URI parameter to os_unix.c - used to specify a file to copy permissions from when a new database is created. Also allow passing NULL as the second parameter to sqlite3rbu_vacuum(). (check-in: ed406d31ff user: dan tags: trunk) | |
| 12:31 | Merge recent changes from trunk. (check-in: 959677b97b user: drh tags: rowvalue) | |
| 09:55 | Fix a 1 byte buffer overwrite in the "sqldiff --rbu" command. (check-in: ab83d7077d user: dan tags: trunk) | |
| 01:24 | Fix a harmless compiler warning in FTS5. (check-in: 2ea0c8b46e user: drh tags: trunk) | |
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2016-08-10
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| 20:02 | Optimization to sqlite3WhereExprUsage(). (check-in: 95493058fc user: drh tags: trunk) | |
| 19:43 | List of MATCH operator names in isMatchOfColumn() should be constant. (check-in: 7319d676aa user: drh tags: trunk) | |
| 18:56 | Performance enhancement in the expression walker. (check-in: ebccbd9609 user: drh tags: trunk) | |
| 15:02 | Tweaks to pcache1TruncateUnsafe() to make it slightly smaller and faster and easier to test. (check-in: 059f4e2efe user: drh tags: trunk) | |
| 14:40 | Rearrange the code inside sqlite3RunParser() routine so that sqlite3Parser() is only called from a single place. This allows sqlite3Parser() to be in-lined, which results in a 0.25% overall performance gain. (check-in: 25d1d02b3e user: drh tags: trunk) | |