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100 descendants and 100 ancestors of [33dc8fad]
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2018-06-07
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| 17:45 | Add support for window function first_value(). check-in: 060b2640 user: dan tags: exp-window-functions | |
| 17:32 | Remove the NextIfOpen and PrevIfOpen opcodes which are no longer needed when the IN-early-out optimization is working. check-in: 439c8162 user: drh tags: multikey-opt-idea | |
| 16:07 | Test cases. check-in: 085e8637 user: drh tags: multikey-opt-idea | |
| 15:54 | Fix problems with the nth_value() function. check-in: 63002b9a user: dan tags: exp-window-functions | |
| 15:28 | Merge the ".stat/.eqp" CLI fix from trunk. check-in: a91cad33 user: drh tags: multikey-opt-idea | |
| 15:23 | Avoid using a prepared statement for ".stats on" after it has been closed by the ".eqp full" logic. Fix for ticket [7be932dfa60a8a6b3b26bcf76]. check-in: bb87c054 user: drh tags: trunk | |
| 14:59 | Add the WHERE_IN_EARLYOUT flag and use it to clarify the logic of this optimization. check-in: 522f1eac user: drh tags: multikey-opt-idea | |
| 14:32 | Merge recent trunk enhancements. check-in: e9d7bf4f user: drh tags: multikey-opt-idea | |
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2018-06-06
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| 23:31 | Change a comma into a logically equivalent but semantically clearer semicolon. check-in: 71f97f0f user: drh tags: trunk | |
| 20:55 | More space and performance enhancements to sqlite3VdbeRecordCompare(). check-in: 83a60ff0 user: drh tags: trunk | |
| 20:51 | Add implementation of nth_value() window function. check-in: eb1fb420 user: dan tags: exp-window-functions | |
| 20:29 | Small performance optimization in sqlite3VdbeRecordCompareWithSkip() for the common case where the comparison is equal. check-in: 1e616e25 user: drh tags: trunk | |
| 19:48 | Rearrange the order of some checks in the integrity_check pragma for a very slight performance gain. check-in: 4b853f02 user: drh tags: trunk | |
| 18:50 | Fix the sqlite3BeginTrans() calls within the snapshot extension. check-in: 1fef7ad2 user: drh tags: trunk | |
| 17:45 | Another minor optimization to OP_Transaction. check-in: d80077ae user: drh tags: trunk | |
| 17:12 | Merge the 3.24.0 changes plus a few subsequent enhancements. check-in: be7004a9 user: drh tags: begin-concurrent-pnu | |
| 17:03 | Merge changes from trunk, including all the 3.24.0 changes plus some later enhancements. check-in: d7299bfe user: drh tags: begin-concurrent | |
| 16:28 | Change sqlite3BtreeBeginTrans() to return the BTREE_SCHEMA_COOKIE, for a small speed improvement when starting new transactions. check-in: a10662aa user: drh tags: trunk | |
| 01:18 | Fix the ".archive" command in the CLI (and the corresponding -A command-line option) so that it silently ignores filenames that contain "../" in their names. This prevents the "Zip Slip" attack. check-in: 27291f2d user: drh tags: trunk | |
| 00:36 | Attempt to optimize the resolveExprStep() routine by mapping Expr opcodes into a subset of opcodes that resolveExprStep() cares about and only calling the routine when those opcodes are encountered. Is slightly faster, but it seems like the very slight performance bump is not worth the added complexity. Saved on a dead-end branch for historical reference. Leaf check-in: bad4d7a0 user: drh tags: dead-end | |
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2018-06-05
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| 23:51 | Update the version number to 3.25.0 for the next development cycle. check-in: 7598236c user: drh tags: trunk | |
| 23:21 | Avoid unnecessary loads of columns in an aggregate query that are not within an aggregate function and that are not part of the GROUP BY clause. check-in: e15e1006 user: drh tags: trunk | |
| 20:45 | Add the OP_IfNoHope and OP_SeekHit opcodes used to reduce the number of unnecessary sqlite3BtreeMovetoUnpacked() calls when checking for an early exit on IN-operator loops. Futher optimizations are likely possible here. check-in: 6bf251af user: drh tags: multikey-opt-idea | |
| 20:04 | Calculate non-aggregate expressions in the SELECT list of an aggregate query that does not use min() or max() once per group, instead of once per row visited. Closed-Leaf check-in: dce2dfbe user: dan tags: exp-agg-opt | |
| 16:16 | Add implementation of last_value() window function. check-in: 2493ce1a user: dan tags: exp-window-functions | |
| 15:16 | Use an OP_NotFound opcode to cancel futile IN operators early. The current implementation is suboptimal because it always runs teh OP_NotFound. This still needs to be enhanced to only do the OP_NotFound if no results have been seen on the current loop. check-in: 87a9fc50 user: drh tags: multikey-opt-idea | |
| 13:54 | Merge trunk changes. check-in: 047295c5 user: drh tags: multikey-opt-idea | |
| 13:43 | Update and correct the documentation on the OP_OpenRead, OP_OpenWrite, and OP_ReopenIdx opcodes. No code changes other than the addition of an assert(). check-in: 8a0b730d user: drh tags: trunk | |
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2018-06-04
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| 19:24 | Version 3.24.0 check-in: c7ee0833 user: drh tags: trunk, release, version-3.24.0 | |
| 18:55 | Add implementation of window function ntile(). check-in: 3f093f60 user: dan tags: exp-window-functions | |
| 14:10 | Merge changes from trunk. check-in: 95fbac39 user: drh tags: apple-osx | |
| 13:27 | Merge recent changes from trunk. check-in: f8df2a8e user: drh tags: multikey-opt-idea | |
| 08:28 | Merge latest trunk changes into this branch. check-in: 83d6416a user: dan tags: exp-window-functions | |
| 08:22 | Add support for window function cume_dist(). Improve tests for percent_rank(). check-in: 76543f7d user: dan tags: exp-window-functions | |
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2018-06-02
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| 21:04 | Add support for window functions row_number(), rank(), dense_rank() and percent_rank(). check-in: 91c1cb7a user: dan tags: exp-window-functions | |
| 19:14 | Avoid using a misaligned pointer. check-in: 1ecb3aa1 user: drh tags: trunk | |
| 19:01 | Fix the usage of posix_fallocate() so that it correctly responds to EINVAL returns. check-in: ce2c3e7a user: drh tags: trunk | |
| 17:00 | Update a test case in malloc5.test to take into account that malloc() sometimes returns slightly more space than requested. check-in: 3d5eae1c user: dan tags: trunk | |
| 16:32 | Work around a sanitizer warning about a pointer being only 4-byte aligned instead of 8-byte aligned. Closed-Leaf check-in: 1b807b51 user: drh tags: align8-fix | |
| 14:37 | Proposed fix for the use of posix_fallocate() so that it handles EINVAL returns correctly. Closed-Leaf check-in: ab3a5539 user: drh tags: einval-from-fallocate | |
| 12:05 | Fix the CSV extension so that it works with single-column CSV files. check-in: e336cf00 user: drh tags: trunk | |
| 11:31 | Ensure that sqlite3AuthRead() is only call for TK_COLUMN and TK_TRIGGER expression nodes. This fixes a harmless assert() identified by OSSFuzz. Move the assert() into a position where it is tested even if the authorizer is disabled. check-in: d0c3beef user: drh tags: trunk | |
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2018-06-01
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| 21:00 | Allow an entire partition to be cached in a temp table for all types of window frames. This is required by nth_value() and others. check-in: b5b18f66 user: dan tags: exp-window-functions | |
| 13:30 | Fix a bug in the SQLITE_ENABLE_SORTER_REFERENCES code causing an out-of-bounds array reference. check-in: 8cadaf58 user: dan tags: trunk | |
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2018-05-31
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| 19:14 | More documentation typo fixes. No code changes. check-in: 66c24513 user: drh tags: trunk | |
| 19:00 | Fix a harmless typo in a comment used to generate documentation. check-in: 5a2a88cb user: drh tags: trunk | |
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2018-05-30
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| 20:44 | Allow min() and max() to be used as window functions. check-in: c16125a8 user: dan tags: exp-window-functions | |
| 14:17 | Add the Makefile.fallback makefile to the amalgamation tarball. check-in: ce3d0456 user: drh tags: trunk | |
| 07:36 | Do not use the codec on the resetdb.test script. check-in: fe55cea0 user: drh tags: trunk | |
| 07:24 | Fix a typo in an error message in the CLI. check-in: 80883980 user: drh tags: trunk | |
| 01:14 | Fix the parser so that it builds with -DSQLITE_OMIT_CTE. check-in: 86ee267e user: drh tags: trunk | |
| 00:59 | Fix a harmless compiler warning. check-in: 8d02c7a6 user: drh tags: trunk | |
| 00:54 | Demonstration code on a possible technique for optimizing the use of IN operator on columns to the right of multicolumn indexes. If the OP_Noop generated where were really a new opcode that checked to see if there existed any entries in the index with a matching prefix, it might prevent unnecessary iterations of the IN operator. check-in: 92f0fe15 user: drh tags: multikey-opt-idea | |
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2018-05-29
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| 19:12 | Increase the number of database handles opened by test script oserror.test to provoke an "out of file-descriptors" error to 20000 (from 2000). check-in: 3b00f734 user: dan tags: trunk | |
| 17:17 | Fix a problem in the geopoly json parser associated with spaces before a coordinate number. check-in: 9d8d3af8 user: drh tags: rtree-geopoly | |
| 16:37 | Fix autoinc.test and resetdb.test so that they work with all permutations. check-in: 89f56d6b user: dan tags: trunk | |
| 15:18 | Add a comment to justify a goto statement. No code changes. check-in: f141d806 user: drh tags: trunk | |
| 14:29 | More minor changes to test scripts. check-in: ce9b756f user: dan tags: trunk | |
| 14:06 | Fix some test script issues caused by recent EXPLAIN QUERY PLAN enhancements. check-in: f808e228 user: dan tags: trunk | |
| 13:25 | Do not run test file "resetdb.test" as part of permutation "inmemory_journal". check-in: 4921e5ba user: dan tags: trunk | |
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2018-05-28
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| 23:59 | The geopoly virtual table seems to be working. But only thinly tested so far. check-in: 4288f1ad user: drh tags: rtree-geopoly | |
| 18:30 | Further window frame tests and fixes. check-in: e74c6e91 user: dan tags: exp-window-functions | |
| 18:29 | Do not require a statement journal in cases where REPLACE conflict handling is used to insert a single row, so long as the REPLACE operation cannot fire any triggers or foreign key actions. check-in: 469a62ca user: dan tags: trunk | |
| 18:25 | When compiling with SQLITE_DEBUG, add run-time checks to ensure that no statement aborts unless either there have been no writes or else there is a statement journal. check-in: ce99c772 user: drh tags: trunk | |
| 17:43 | Fix the build so that it works with -DSQLITE_TEST_REALLOC_STRESS Closed-Leaf check-in: 90ba2b2e user: drh tags: stmt-journal-testing | |
| 17:31 | When compiling with SQLITE_DEBUG, add run-time checks to ensure that no statement aborts unless either there have been no writes or else there is a statement journal. check-in: 5a4542db user: drh tags: stmt-journal-testing | |
| 13:23 | Untested incremental check-in. Add the geopoly_xform() function. Complete basic logic for the geopoly virtual table. check-in: ed06cc32 user: drh tags: rtree-geopoly | |
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2018-05-26
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| 21:17 | More fixes for different window frame types. check-in: 2c85668a user: dan tags: exp-window-functions | |
| 20:04 | Merge the ability to plan virtual table queries using overloaded functions. check-in: 2c2a202c user: drh tags: rtree-geopoly | |
| 18:03 | Experimental change that allows overloaded functions to be analyzed by the xBestIndex method and used by the xFilter method of a virtual table. Leaf check-in: a353b1d7 user: drh tags: vtab-func-constraint | |
| 16:00 | Store application-defined function names as lower-case to avoid the need for case conversions before calling xFindFunction on virtual tables. Avoid using lookaside to store the destructors for application defined functions, as lookaside should be reserved for transient allocations. check-in: 777189ce user: drh tags: trunk | |
| 13:55 | Add a single sentence of documentation about the virtual table scan flags. No changes to code. check-in: 27b4fa5d user: drh tags: trunk | |
| 12:21 | Minor correction. check-in: f20d9a99 user: drh tags: rtree-geopoly | |
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2018-05-25
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| 22:39 | Untested incremental check-in. Basic infrastructure for geopoly in place, except for the MATCH operator. check-in: b2745191 user: drh tags: rtree-geopoly | |
| 20:53 | Incremental check-in: Progress toward implementing the geopoly vtab. check-in: 9b7d6f98 user: drh tags: rtree-geopoly | |
| 20:30 | Fix "RANGE BETWEEN CURRENT ROW AND UNBOUNDED FOLLOWING" window frame processing. check-in: b4e9c686 user: dan tags: exp-window-functions | |
| 19:22 | Forward port the geopoly extension functions into the r-tree extension, with the idea of creating a new spatial index based on simply polygons. check-in: 0593aac8 user: drh tags: rtree-geopoly | |
| 14:39 | This is an untested proof-of-concept for enhancements to RTree that attempt to use sqlite3_value_nochange() to reduce the amount of work associated with UPDATE operations in cases where either the coordinates or the auxiliary data is unchanged. Leaf check-in: 6f7cfeff user: drh tags: rtree-update-optimization | |
| 09:36 | Merge latest trunk changes into this branch. check-in: 62325198 user: dan tags: exp-window-functions | |
| 09:29 | Fixes for "ROWS BETWEEN <expr> FOLLOWING AND <expr> FOLLOWING" and "ROWS BETWEEN <expr> FOLLOWING AND UNBOUNDED FOLLOWING" check-in: 5ac44872 user: dan tags: exp-window-functions | |
| 03:46 | Add SQLITE_LOCKED_VTAB and SQLITE_CORRUPT_SEQUENCE to sqlite3ErrName(). Also, use SQLITE_CORRUPT_BKPT in one more place. Leaf check-in: eac8888d user: mistachkin tags: errCodes | |
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2018-05-24
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| 23:51 | When doing a one-pass UPDATE or DELETE on virtual tables, close the cursor prior to running VUpdate. This allows one-pass to work on virtual tables that do not allow concurrent reads and writes. Enhance rtree to take advantage of this new capability. check-in: b816023c user: drh tags: trunk | |
| 22:42 | New test case for reading and writing the same rtree concurrently. check-in: 3ba08e53 user: drh tags: trunk | |
| 22:31 | Do not allow RTree writes when a read cursor is active on the same virtual table, as the writes might rebalance and disrupt the read cursors. Return the new SQLITE_LOCKED_VTAB error code if this happens. check-in: d4ce6661 user: drh tags: trunk | |
| 21:10 | Allow "<expr> PRECEDING" to be used to specify the end of a window frame. check-in: 7b709a98 user: dan tags: exp-window-functions | |
| 17:49 | Support other frame types that use "<expr> PRECEDING" or "<expr> FOLLOWING" as start or end conditions. check-in: ec7b648c user: dan tags: exp-window-functions | |
| 17:38 | In the OOM testing logic, add the sqlite3FirstFault() routine as a place to set a breakpoint the first time any simulated OOM fault occurs for a single test case. check-in: b4d80bd2 user: drh tags: trunk | |
| 17:25 | Fix a typo in a comment used to generate VDBE opcode documentation. No code changes. check-in: 36cdfbf2 user: drh tags: trunk | |
| 16:18 | Addition cases for rtree preformance testing in speedtest1.c. Add the --nodiff option to the speed-check.sh script. check-in: 95f2d62c user: drh tags: trunk | |
| 13:59 | Updates to the sqlite3_vtab_nochange() documentation. No changes to code. check-in: 5bd99abc user: drh tags: trunk | |
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2018-05-23
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| 20:55 | Add support for "ROWS BETWEEN <expr> PRECEDING AND <expr> FOLLOWING" window frames. check-in: 3a203660 user: dan tags: exp-window-functions | |
| 17:53 | Remove a branch that is no longer used due to the fix to the sqlite_sequence schema problem, ticket [d8dc2b3a58cd5dc2918a1d4acbba4676a23ada4c] check-in: 06674269 user: drh tags: trunk | |
| 16:50 | Verify that the sqlite_sequence table exists and is in approximately the correct format prior to using it to process an autoincrement table. Fix for ticket [d8dc2b3a58cd5dc2918a1d4a]. check-in: e199e859 user: drh tags: trunk | |
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2018-05-22
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| 20:36 | Merge latest trunk changes into this branch. check-in: cdb68d2c user: dan tags: exp-window-functions | |
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2018-05-18
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| 17:58 | Add support for auxiliary columns to the rtree extension. check-in: c6071ac9 user: drh tags: trunk | |
| 17:17 | Merge enhancements from trunk, especially the CLI fixes. Closed-Leaf check-in: a350040a user: drh tags: aux-data-in-rtree | |
| 17:11 | In the CLI, detect and report errors on sqlite3_close(). Clear global variables prior to exit to so that valgrind can better detect resource leaks. check-in: e3b2e0a0 user: drh tags: trunk | |
| 14:24 | Improvements to integer/float comparisons on architectures that lack a "long double" type. check-in: 5139ea62 user: drh tags: trunk | |
| 14:19 | Remove incorrect NEVER() macro added by the previous check-in. Closed-Leaf check-in: 3d662511 user: drh tags: int-float-compare | |
| 13:39 | Improvements to the sqlite3IntFloatCompare() routine for systems that lack the long double type. check-in: ea6a03a8 user: drh tags: int-float-compare | |
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2018-05-17
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| 20:04 | In the CLI with the -A command, if the file does not previously exist and its name looks like a ZIP archive name, then create it as a ZIP archive. check-in: 33dc8fad user: drh tags: trunk | |
| 14:09 | Improved error and help messages for the ".archive" command and "-A" option to the CLI. If a memory leak in --list processing. check-in: 02541ac6 user: drh tags: trunk | |
| 13:29 | Fix memory errors associated with argv in the CLI when it is compiled on Windows. check-in: 4474d69b user: drh tags: trunk | |
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2018-05-16
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| 15:35 | Enhance the sqlite3_str_new() interface so that it always returns a valid and non-NULL pointer even in an OOM condition. check-in: ed5b0968 user: drh tags: trunk | |
| 12:19 | Correct output for the fullkey column of json_each() when the total JSON input is a simple value, not an array or object. check-in: b45b1885 user: drh tags: trunk | |
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2018-05-15
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| 09:09 | Fix a test case problem in wherelimit.test. check-in: 3012df8b user: dan tags: trunk | |
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2018-05-14
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| 22:46 | Make more aggressive use of automatic indexes when processing materalized views and subqueries. check-in: 172f5bd2 user: drh tags: trunk | |
| 15:26 | Convert the schema creation logic in the rtree extension to use the new sqlite3_str interface. check-in: fd8b8c41 user: drh tags: trunk | |
| 12:23 | Fix typo in the shell.c source file. check-in: 389dc0a9 user: mistachkin tags: trunk | |
| 00:41 | Export the deduceDatabaseType() function the shell.c source file. check-in: d0f35739 user: drh tags: trunk | |
| 00:23 | Add the --append option to the ".backup" command in the CLI. check-in: 0dfdbdee user: drh tags: trunk | |
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2018-05-12
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| 23:56 | In the CLI, allow comment lines that begin with '#', but only in a context where a dot-command is allowed. In other words, '#' at the beginning of a line in the middle of an SQL statement is just part of the SQL. check-in: 4ee136d6 user: drh tags: trunk | |
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2018-05-11
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| 19:11 | In the CLI, return non-zero if there are errors on the command-line. check-in: 13e7300a user: drh tags: trunk | |
| 15:10 | Fix a typo in the help message from the ".sha3sum" command in the CLI. check-in: dba87a20 user: drh tags: trunk | |
| 15:10 | Make sure the open_db() routine in the CLI does not invoke access() with a NULL filename. check-in: 20a8c611 user: drh tags: trunk | |
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2018-05-09
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| 16:32 | Add a test case to check that the fts5 unicode64 tokenizer is dealing with codepoints greater than 65535 correctly. check-in: 9f7a6ae8 user: dan tags: trunk | |
| 15:17 | Add 14 new interfaces to the loadable extension mechanism. check-in: 0e809cdc user: drh tags: trunk | |
| 14:29 | Fix minor problems with the sqlite3_str interface. check-in: 43ea8a68 user: drh tags: trunk | |
| 13:46 | Make the internal dynamic string interface available to extensions using the new sqlite3_str object and its associated methods. This is mostly just a renaming of internal objects and methods to use external names, through there are a few small wrapper functions. check-in: 87f261f0 user: drh tags: trunk | |
| 10:11 | Fix a typo in a comment used for documentation. No code changes. check-in: b866693e user: drh tags: trunk | |
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2018-05-08
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| 23:17 | Correctly format the STAT1 and STAT4 content in the output from the ".fullschema" command in the CLI. Fix for ticket [e63a34a0045832dc850367552]. check-in: 0c3f128f user: drh tags: trunk | |
| 13:03 | Fix a harmless compiler warning in fuzzcheck. Add new OSSFuzz test cases to the test case library. check-in: d2619746 user: drh tags: trunk | |
| 12:49 | Fuzz test cases for UPSERT. check-in: fd11fbd2 user: drh tags: trunk | |
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2018-05-07
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| 18:41 | Activate the cell-overwrite optimization for index b-trees. check-in: a68697d1 user: drh tags: trunk | |
| 17:27 | Improved comments on the cell-overwrite optimization code. check-in: a4fe966d user: drh tags: trunk | |
| 11:48 | On an UPDATE, try to overwrite an existing btree cell with the modified content, if the old and new cell are the same size. Use memcmp() first to avoid dirtying pages that are unchanged. check-in: 5887d8be user: drh tags: trunk | |
| 11:37 | Fix harmless compiler warnings associated with the new EXPLAIN QUERY PLAN logic. check-in: 374d8e26 user: drh tags: trunk | |
| 11:29 | Fix harmless compiler warnings in the cell-overwrite logic. Closed-Leaf check-in: 3e11dc31 user: drh tags: cell-overwrite-prototype | |
| 02:50 | Backout change [05fee1a21ea398f1e4d6f1cf3] because it does not take into account the LD_LIBRARY_PATH environment variable used by dl_open(). check-in: b348d119 user: drh tags: trunk | |
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2018-05-05
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| 16:50 | In an ORDER BY LIMIT, make sure the ORDER BY expression evaluator does not try to reuse values from the result set if the result set has not yet be computed. This fixes a bug in the recent deferred-row loading optimization, check-in [c381f0ea57002a264fd958b28e]. OSSFuzz discovered the problem. check-in: 5d61e75f user: drh tags: trunk | |
| 01:23 | Fix a slightly incorrect corruption detection branch in the btree logic. check-in: 9191ff67 user: drh tags: trunk | |
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2018-05-04
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| 19:18 | Merge enhancements from trunk. check-in: 9650f71b user: drh tags: cell-overwrite-prototype | |
| 18:32 | Fix requirements marks. No code changes. check-in: 7fdad122 user: drh tags: trunk | |
| 04:49 | For the amalgamation-tarball, enable FTS5 and JSON1 by default and provide a new --enable-debug option that actives debugging facilities. check-in: 03edecaf user: drh tags: trunk | |
| 00:39 | Make a separate limb in the EXPLAIN QUERY PLAN output for the various lines associated with the OR-optimization. check-in: 75ac7b4e user: drh tags: trunk | |
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2018-05-03
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| 23:20 | In ORDER BY LIMIT queries, try to evaluate the ORDER BY terms first, and it it becomes clear that the row will not come in under the LIMIT, then skip evaluation of the other columns. check-in: c381f0ea user: drh tags: trunk | |
| 22:52 | Fix a branch that has become unreachable due to recent enhancements. check-in: 81ab5e0d user: drh tags: trunk | |
| 21:51 | Improved security for VACUUM. This check-in combines the fixes of [ab0d99d0b5ede] and [27754b74ddf646] in a way that is less likely to to be broken by future changes. check-in: 260fc696 user: drh tags: trunk | |
| 19:56 | Overhaul of EXPLAIN QUERY PLAN. The output is now in the form of a tree. More details of the query plan are shown, and what is shown is truer to what actually happens. check-in: ff01bbda user: drh tags: trunk | |
| 19:47 | Optimizations to the new EQP framework. Closed-Leaf check-in: 956fef36 user: drh tags: rework-EQP | |
| 16:56 | Fix various error handling conditions on the cell overwrite optimization. Fix a test case so that it works with the new optimization. check-in: f89b54f4 user: drh tags: cell-overwrite-prototype | |
| 14:07 | The BtCursor.info fields are only valid if info.nSize!=0. check-in: 54c537ee user: drh tags: cell-overwrite-prototype | |
| 13:56 | Add more corruption checking to the cell overwrite logic. check-in: 58d14afe user: drh tags: cell-overwrite-prototype | |
| 12:57 | Bug fixes in the overwrite optimization. check-in: 0cb6cd2a user: drh tags: cell-overwrite-prototype | |
| 03:59 | The sqlite3BtreeInsert() routine tries to overwrite an existing cell with modified content if the new content is the same size. Pages are only dirtied if they change. This prototype works some, but still has issues. check-in: 489451b3 user: drh tags: cell-overwrite-prototype | |
| 01:37 | Enhance EXPLAIN QUERY PLAN to report the generation of constant rows using VALUES or just a SELECT without FROM. check-in: c75eee69 user: drh tags: rework-EQP | |
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2018-05-02
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| 19:42 | More test case updates. Tests are all running now. check-in: dab5e529 user: drh tags: rework-EQP | |
| 18:00 | Fix test cases so that they work with the new EXPLAIN QUERY PLAN output format. Only some of the cases have been fixed. This is an incremental check-in. check-in: 5f0e803e user: drh tags: rework-EQP | |
| 16:13 | Improved EQP output for recursive CTEs and multi-value VALUES clauses. check-in: f2f52554 user: drh tags: rework-EQP | |
| 15:00 | Prevent VACUUM from running any commands in sqlite_master.sql other than CREATE statements. That is all that should be there anyhow. This fixes a problem discovered by OSSFuzz. Test cases in TH3. check-in: ab0d99d0 user: drh tags: trunk | |
| 14:24 | Fix a dangling-else problem that was causing recursive CTEs to malfunction. Begin fixing test cases to work with the new EQP output. check-in: 82ca44b8 user: drh tags: rework-EQP | |
| 08:12 | Fix a problem in the xBestIndex method of the closure extension causing it to allocate non-contiguous argvIndex values in some cases (an "xBestIndex malfunction" error). check-in: 0c671507 user: dan tags: trunk | |
| 03:01 | Add sqlite3_win32_set_directory8() and sqlite3_win32_set_directory16() functions. check-in: 22089ea2 user: mistachkin tags: trunk | |
| 02:22 | Improvements to the EQP display for compound select statements. check-in: 699a77e4 user: drh tags: rework-EQP | |
| 00:33 | Begin reengineering the EXPLAIN QUERY PLAN function to provide more intuitive output. check-in: 70b48a79 user: drh tags: rework-EQP | |
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2018-05-01
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| 18:39 | The SQLITE_ALLOW_SQLITE_MASTER_INDEX compile-time option allows a CREATE INDEX statement against the sqlite_master table. Once created, the index works, and is usable by legacy instances of SQLite. check-in: 853f3163 user: drh tags: trunk | |
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2018-04-30
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| 19:32 | Defer loading result column values into registers on an ORDER BY LIMIT until we know that the LIMIT does not exclude the current row. Closed-Leaf check-in: ce4ef460 user: drh tags: faster-order-by-limit | |
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2018-04-28
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| 19:08 | Test cases added for SQLITE_DBCONFIG_RESET_DATABASE. check-in: 08665a9e user: drh tags: trunk | |
| 18:20 | Fix an RBU problem causing spurious SQLITE_CONSTRAINT errors when restarting an RBU update in which more than one source table writes to a single target database table. check-in: 564ae829 user: dan tags: trunk | |
| 13:21 | Add the SQLITE_DBCONFIG_RESET_DATABASE control for resetting a corrupt database file without closing any database connections. Added the ".dbconfig" command to the CLI. check-in: a200a49e user: drh tags: trunk | |
| 12:43 | Add the SQLITE_DBCONFIG_RESET_DATABASE control as a replacement for the reset_database pragma. Resetting the database should be hard enough to do that it cannot be done by accident. Leaf check-in: ff836cb8 user: drh tags: reset-database | |
| 11:22 | Merge updates from trunk. check-in: 94877e49 user: drh tags: reset-database | |
| 04:16 | Prevent deep recursions on nested COLLATE operators. check-in: 6e098ee4 user: drh tags: trunk | |
| 04:10 | Fix compiler warnings in FTS3. check-in: de508e83 user: drh tags: trunk | |
| 01:46 | Document and expose sqlite3_win32_set_directory() function for use on Win32. check-in: 7626b593 user: mistachkin tags: trunk | |
| 01:44 | Add comments about the intended use of the sqlite3_data_directory variable as it pertains to the sqlite3_win32_set_directory function. Closed-Leaf check-in: d11c4197 user: mistachkin tags: win32dir | |
| 01:27 | Add the "PRAGMA reset_database=ON|OFF" command. When on, it causes the database to appear to be empty, causing the next transaction to reset it to an empty database. check-in: 02e1a13c user: drh tags: reset-database | |
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2018-04-27
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| 22:42 | Document and expose sqlite3_win32_set_directory() function for use on Win32. check-in: cbce7180 user: mistachkin tags: win32dir | |
| 18:05 | Update test script fts3expr4.test so that it always creates fts3 tokenizers in the "en_US" locality. check-in: 576a8f69 user: dan tags: trunk | |
| 16:35 | Fix a test script error causing tests to fail in soak.test. check-in: 462b52b1 user: dan tags: trunk | |
| 15:17 | Enhance the comments in the templatevtab.c implementation. check-in: 05f6278a user: drh tags: trunk | |
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2018-04-26
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| 18:34 | The previous fix for ticket [d85fffd6ffe856092ed8da] in check-in [0a514e62ad1ebe5c12da8dae] did not completely address the probably in that it only worked for cases where the OP_SCopy that loaded the register was the last instruction in the sequence for the expression, which is not necessarily the case for expressions like CASE...END. This revision prevents the registered that will be recomputed from being cached in the first place. check-in: 9fd0faf5 user: drh tags: trunk | |
| 17:43 | When processing an "ORDER BY ... LIMIT" that does not use an index, check whether or not a record may appear in the final result set before adding it to the temp b-tree used for sorting. check-in: 0fcfc36c user: dan tags: trunk | |
| 16:13 | When processing an "ORDER BY ... LIMIT" that does not use an index, check whether or not a record may appear in the final result set before adding it to the sorter. Closed-Leaf check-in: 71bf91c2 user: dan tags: sorter-limit-opt | |
| 15:50 | Ensure that new.* values of an UPDATE do not get clobbered after the BEFORE triggers run when unmodified columns of the row being updated are reloaded. Fix for ticket [d85fffd6ffe856092ed8da] check-in: 0a514e62 user: drh tags: trunk | |
| 15:04 | Clarification of the behavior of a BEFORE UPDATE trigger when the trigger changes the values of some of the columns used to compute new columns in the UPDATE. check-in: 7bb23c2a user: drh tags: trunk | |
| 12:27 | Improved VDBE comment on the OP_Param opcode. No substantial changes. check-in: 368c14da user: drh tags: trunk | |
| 08:56 | Update the "fuzz_malloc.test" script to print SQL statements in which OOM handling problems are found to stdout. check-in: a956363c user: dan tags: trunk | |
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2018-04-25
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| 19:02 | Add new interfaces for accessing the list of SQL keywords: sqlite3_keyword_count(), sqlite3_keyword_name(), sqlite3_keyword_check(). check-in: 7dd34e37 user: drh tags: trunk | |
| 17:10 | Add the new DO and NOTHING keywords to the keyword lists maintained by various extensions and auxiliary programs. check-in: 77a98a07 user: drh tags: trunk | |
| 13:27 | Add the new SQLITE_SHELL_INIT_PROC compile-time entry point to the CLI. This is needed to work around the tighter sqlite3_config() constraints now in the CLI. check-in: 3bcdbccf user: drh tags: trunk | |
| 12:01 | Avoid many unnecessary calls to sqlite3ReadSchema() and sqlite3Init() when the schema is known to be valid already. check-in: 58cf812f user: drh tags: trunk | |
| 10:30 | Add an assert() to ensure that schema mutexes are held prior to accessing the DB_SchemaLoaded flag inside of sqlite3Init(). check-in: d8b46290 user: drh tags: trunk | |
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2018-04-24
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| 18:59 | Remove a recently added NEVER() macro from a branch that can be taken in obscure circumstances. check-in: 2aa21003 user: dan tags: trunk | |
| 18:53 | Fix a problem with processing "LEFT JOIN tbl ON tbl.a = ? AND (tbl.b=? OR tbl.c=?)" in cases where there are indexes on both tbl(a, b) and tbl(a, c). check-in: ce35e39c user: dan tags: trunk | |
| 17:34 | Do not attempt to use terms from the WHERE clause to drive indexes on the right table of a LEFT JOIN. Fix for ticket [4ba5abf65c5b0f9a96a7a40cd18b] check-in: aeb694e3 user: drh tags: trunk | |
| 16:51 | Update the expert extension test cases to account for the fact that EXPLAIN QUERY PLAN now shows the start of each trigger in its output. check-in: 8acb42f4 user: drh tags: trunk | |
| 16:41 | All the OR optimization to proceed even if the OR is also converted into an IN operator. check-in: e252c654 user: drh tags: trunk | |
| 14:18 | Add a hyperlink to the ticket on the code comment for the fix to ticket [7fa8049685b50b5aeb0c2]. check-in: 45247c7f user: drh tags: trunk | |
| 14:05 | Do not attempt to read values from indexes-on-expressions if the index is on the RHS of a LEFT JOIN. This won't work if the index cursor points at a null-row. Fix for [7fa80496]. check-in: b8ef967a user: dan tags: trunk | |
| 13:07 | Enhance the CLI to render EXPLAIN QUERY PLAN using an ASCII-art graph. This works with ".eqp" modes and when the query begins with exactly "EXPLAIN QUERY PLAN". To see the original output format, add extra space characters in between words of the initial "EXPLAIN QUERY PLAN". check-in: f53716ee user: drh tags: trunk | |
| 10:57 | Fix a memory leak following failure to open an external CSV file in the csv.c extension. check-in: 526ee07d user: drh tags: trunk | |
| 01:10 | In EXPLAIN QUERY PLAN output, do not show an EXECUTE LIST SUBQUERY line for IN operators where the RHS is a list and not a subquery, since in that case there is no SUBQUERY to execute. check-in: 8bc0207a user: drh tags: trunk | |
| 00:08 | Fix to check-in [ca34c2dd20ee071e] - avoid a NULL pointer dereference following an OOM. check-in: c7e6e848 user: drh tags: trunk | |
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2018-04-23
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| 20:38 | Fix a problem in sqlite3ExprCompare() associated with UPSERT. check-in: 67d0b2c1 user: drh tags: trunk | |
| 20:04 | Fix a formatting issue in the TreeView output for bare expression lists. check-in: a6356817 user: drh tags: trunk | |
| 18:38 | Add the ".imposter off" variant of the ".imposter" dot-command in the CLI. check-in: d3dad06f user: drh tags: trunk | |
| 17:43 | The ".selecttrace 0x2000" command causes just the top-level parse tree to be displayed, after all transformations, and showing the EQP iSelectId at each level. check-in: ca34c2dd user: drh tags: trunk | |
| 17:18 | The ".selecttrace 4" command now shows only a single parse tree after name resolution. check-in: 5682146e user: drh tags: trunk | |
| 17:09 | Do not restore the iSelectId value until after the last SELECTTRACE when debugging Select processing. check-in: 8088d8ca user: drh tags: trunk | |
| 17:02 | In the ".selecttrace" output, include the EXPLAIN QUERY PLAN iSelectId as part of each Select identifier. check-in: 5c6339f9 user: drh tags: trunk | |