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116 check-ins using file www/index.wiki version b16a060d74
2017-10-27
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15:49 | Update the README into a README.md and clearly state that work on SQLite4 has concluded, lest there be any doubt. check-in: c0b7f14c09 user: drh tags: trunk | |
2016-07-28
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13:44 | Fix typo in the LSM documentation. check-in: c2d3bd7694 user: drh tags: trunk | |
2015-08-15
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18:03 | Fix typo in comments. No code changes. check-in: 7df97b5937 user: drh tags: trunk | |
2014-09-19
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18:48 | Fix an assert() in lsm_shared.c. check-in: 90c09b0451 user: dan tags: trunk | |
2014-05-12
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21:07 | Added -lm to the build flags for Makefile.gcc-linux, based on ML feedback. check-in: 26964761e2 user: stephan tags: trunk | |
2014-05-07
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09:49 | Fix a memory leak in LSM. check-in: 8a39847daf user: dan tags: trunk | |
2014-03-18
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19:29 | Fix an important typo in the varint decoder documentation. check-in: f392aec8a5 user: drh tags: trunk | |
2014-02-22
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19:54 | Add other bt optimizations. Fix a problem in mutex_noop.c. check-in: 1ecbf355e3 user: dan tags: trunk | |
2014-02-21
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17:36 | Performance tweaks for seek operations. check-in: 18ae7f9855 user: dan tags: trunk | |
2014-02-19
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11:28 | Fix a couple of problems related to log recovery and checkpointing. check-in: e64f3ba5f0 user: dan tags: trunk | |
2014-02-18
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20:01 | Add crash simulation and recovery test infrastructure. And one test case. check-in: cd8da865a4 user: dan tags: trunk | |
2014-02-17
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18:39 | Add IO error tests for the bt backend. check-in: 9638da92b6 user: dan tags: trunk | |
09:26 | Have the bt backend support "PRAGMA page_size". check-in: 5aca057cad user: dan tags: trunk | |
2014-02-15
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20:29 | Defer opening a bt database until it is first read. check-in: d9560b73de user: dan tags: trunk | |
17:04 | Add some human readable text to the bt file header. Refuse to open a database (SQLITE_NOTADB) if a valid header cannot be located in the database or wal files. check-in: b942b91a3d user: dan tags: trunk | |
2014-02-14
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18:53 | Fix memory leaks in test suite. check-in: f4d0f55571 user: dan tags: trunk | |
16:21 | Run extra tests with the bt backend. check-in: 1aefe7ef1e user: dan tags: trunk | |
2014-02-08
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10:51 | Fixes so that tcl tests run with bt. check-in: b7f86e5617 user: dan tags: trunk | |
2014-02-05
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20:05 | Fix a buffer overrun occuring when many overflow pages are recycled by a merge operation. check-in: 28340557fc user: dan tags: trunk | |
19:10 | Add extra tests and fixes. Make the block size and page size configurable. check-in: b43e752c98 user: dan tags: trunk | |
2014-02-04
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19:40 | Fix a couple of other bugs. check-in: 822a5aad62 user: dan tags: trunk | |
2014-02-03
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17:30 | Fix a problem with reading very large delete-key entries. check-in: 0cabe78ef4 user: dan tags: trunk | |
15:54 | Zero shared-memory before attempting recovery operations. check-in: 4cb2e9c5af user: dan tags: trunk | |
07:40 | Fix various problems causing block and page leaks during merge operations. check-in: aaac4355c7 user: dan tags: trunk | |
2014-01-26
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17:13 | Fix a bug in merge-tree rollback operations. check-in: 60c8db5553 user: dan tags: trunk | |
2014-01-25
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15:14 | Fix a problem with iterating in reverse order through the merge-tree. check-in: 6998cd99b8 user: dan tags: trunk | |
2014-01-23
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19:00 | And another bug in merging. check-in: 1b27f1ca1e user: dan tags: trunk | |
18:00 | Fix another bug in level merging. check-in: 24aea74e9f user: dan tags: trunk | |
2014-01-21
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20:40 | Fix a problem with BT_SEEK_GE on the merge-tree when it contains partially merged deletes. check-in: 0d9860b35b user: dan tags: trunk | |
18:59 | Fix a problem preventing the database header from being written correctly. check-in: 7abccde8a3 user: dan tags: trunk | |
2014-01-09
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20:36 | Fix even more bugs in merging. check-in: 9f83998312 user: dan tags: trunk | |
15:37 | Further bug fixes for merge routines. check-in: ef14a93b8b user: dan tags: trunk | |
2014-01-08
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20:29 | Fill in more merging code. Fix many bugs. check-in: 885387b919 user: dan tags: trunk | |
2014-01-07
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20:41 | Begin adding code to update the meta tree with the results of a merge. check-in: 4db4b4ceeb user: dan tags: trunk | |
10:37 | Apply fixes to the build system and rename a few things in the bt code so that sqlite4.c can be compiled. check-in: f0eee06cf0 user: dan tags: trunk | |
2014-01-06
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20:30 | Add merging code. check-in: ad91883237 user: dan tags: trunk | |
2014-01-03
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19:36 | Save sub-tree root page numbers, instead of block numbers, in the meta-tree. check-in: 6003e7dcc2 user: dan tags: trunk | |
2014-01-02
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18:53 | Changes to FiCursor object to support reading merged blocks. check-in: 27248a1ebc user: dan tags: trunk | |
2013-12-14
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18:59 | Add scheduling of fast-insert merges to bt. Merges are not performed yet, just scheduled. check-in: 590e0410b1 user: dan tags: trunk | |
2013-12-07
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20:38 | Add notes describing schedule pages to bt.wiki. check-in: 1df60437f3 user: dan tags: trunk | |
2013-12-06
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20:11 | Fix problems with delete markers and range scans. check-in: ccf5a6bb6a user: dan tags: trunk | |
2013-12-05
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20:08 | Support scan queries on fast-insert data. Still some problems. check-in: 0cd2ab7e9e user: dan tags: trunk | |
2013-11-28
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18:24 | Write a delete-key into the top level of the fast-insert tree when an item is deleted. Change the seek code so that if a delete-key is encountered SQLITE4_NOTFOUND is returned to the caller. check-in: d9fa045dd7 user: dan tags: trunk | |
15:23 | Make a small change to the bt cell formats to accommodate delete keys. check-in: a5186d0b0a user: dan tags: trunk | |
2013-11-27
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18:44 | Fix a bug in sqlite4BtCsrFirst(). check-in: 10d25d2516 user: dan tags: trunk | |
18:21 | Begin adding code for querying the fast-insert tree. check-in: 65735e3ca9 user: dan tags: trunk | |
14:40 | Allocate blocks of space (not individual pages) within the database file for sub-trees. check-in: 5986afca58 user: dan tags: trunk | |
2013-11-26
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20:35 | Have the low-level b-tree insert routine return BT_BLOCKFULL if a level-0 tree is full. check-in: 65642c32ba user: dan tags: trunk | |
2013-11-25
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20:50 | Begin adding code for blind-writes. check-in: fc9cdc6ca3 user: dan tags: trunk | |
2013-11-23
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18:41 | Add a BT_CONTROL_INFO option to query for database header values. Add a command line interface to lsmtest to access this and other options. "lsmtest bt <filename> <option> ....". check-in: e09d4c6aa8 user: dan tags: trunk | |
2013-11-22
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18:06 | Fix a couple of bugs to do with recovering the database header and recycling large overflow trees. check-in: 8341d438d3 user: dan tags: trunk | |
2013-11-21
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18:46 | Add code to free pages and blocks. check-in: 1a0d07f113 user: dan tags: trunk | |
2013-11-20
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19:23 | Combine the bt database and shm headers. check-in: 1512aee6f6 user: dan tags: trunk | |
2013-11-16
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20:35 | Add test code to run bt checkpoints in a background thread. Various fixes and tweaks to support this. check-in: 439684c450 user: dan tags: trunk | |
2013-11-15
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19:18 | Add test file fkey2.test to the list of files used by the "bt" permutation. check-in: 5c2af9e0b7 user: dan tags: trunk | |
18:47 | Various fixes so that the "bt" permutation test passes. check-in: 0866df185c user: dan tags: trunk | |
09:44 | Add a checksum to the database header. check-in: cba26fd7cc user: dan tags: trunk | |
2013-11-14
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19:29 | Fix various savepoint-related problems in bt. check-in: c633d85c33 user: dan tags: trunk | |
2013-11-13
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16:34 | Fix a problem in the VM code generated for a CREATE INDEX statement. check-in: e42f8bb1c2 user: dan tags: trunk | |
15:21 | Fix an issue with using a bt cursor after sqlite4BtCsrDelete() has been called on it. check-in: f10991c423 user: dan tags: trunk | |
2013-11-11
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20:27 | Add the BT_CONTROL_MULTIPROC option. check-in: 7343be21c9 user: dan tags: trunk | |
20:06 | Add support for multiple processes to bt. check-in: 1336c5d00a user: dan tags: trunk | |
2013-11-09
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17:32 | Add BT_CONTROL directives to configure the safety-level and auto-checkpoint parameter. Fix bugs. check-in: 15856cf080 user: dan tags: trunk | |
2013-11-08
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20:18 | Fix a robustness related problem with wrapped logs. check-in: 7dd7b942fd user: dan tags: trunk | |
17:50 | Add missing calls to xSync(). Fix a problem with recovering wrapped logs. check-in: 93af0d7d05 user: dan tags: trunk | |
2013-11-07
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20:22 | Begin adding tests to check that bt database transactions are robust in the face of system failure. check-in: 5d57889261 user: dan tags: trunk | |
2013-11-04
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18:21 | Fix various multi-client bugs preventing the multi-threaded tests from passing. check-in: 3c32332c59 user: dan tags: trunk | |
2013-11-02
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18:28 | Fix a problem with skipping past a section of log still in use. check-in: f96d760355 user: dan tags: trunk | |
10:31 | Modify the way read-locks are taken to avoid unnecessary SQLITE4_BUSY errors. check-in: 1d06636492 user: dan tags: trunk | |
2013-11-01
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19:54 | Use the log to store the page-size, database size and user cookie value instead of writing these directly to the database header. check-in: 37983095fd user: dan tags: trunk | |
2013-10-31
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16:31 | Fix some problems causing multi-threaded btree tests to fail. Some still remain. check-in: 67b28147ea user: dan tags: trunk | |
2013-10-30
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19:57 | Btree fixes related to multiple client tests. check-in: 58f7282211 user: dan tags: trunk | |
18:37 | Add sub-transactions to btree module. check-in: 9e00823074 user: dan tags: trunk | |
2013-10-29
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17:46 | Add code to prevent database writers from overwriting portions of the log that might be required by present or future database readers or recoverers. check-in: 407a82adbf user: dan tags: trunk | |
2013-10-28
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19:48 | Add code for taking and querying read-locks. Untested. check-in: ef0cf1ade3 user: dan tags: trunk | |
10:56 | Fix a problem causing builds without LSM_NO_SYNC to fail. check-in: f8ce90c4a6 user: dan tags: trunk | |
10:47 | Fix some problems with circular logs. check-in: 4b36a0245f user: dan tags: trunk | |
2013-10-26
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19:58 | Begin adding code to make the log file circular. check-in: ec6dda0ade user: dan tags: trunk | |
12:44 | Use sqlite4_malloc instead of malloc in test fixture for num check-in: 3f6924e784 user: peterreid tags: trunk | |
2013-10-25
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20:20 | Add start of checkpointing code to btree. check-in: 29373a8844 user: dan tags: trunk | |
02:37 | Fix buffer overread when parsing a UTF16 exponent check-in: 9e61c90be4 user: peterreid tags: trunk | |
01:33 | Fix parsing UTF16 nums with multi-digit exponents check-in: 667cfd8694 user: peterreid tags: trunk | |
01:27 | Test sqlite4_num_from_text with UTF16BE and UTF16LE check-in: 9c4e33cc5b user: peterreid tags: trunk | |
00:33 | Add tests for prefix-only and ignore-whitespace flags of sqlite4_num_from_text check-in: 19f7a96631 user: peterreid tags: trunk | |
2013-10-24
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23:59 | Fixed flagging infinity as a real (instead of an integer) in sqlite4_num_from_text check-in: 73b8f01f49 user: peterreid tags: trunk | |
23:54 | Add tests for the pbReal output of sqlite4_num_from_text check-in: fd1c1a7d4f user: peterreid tags: trunk | |
19:59 | Updates to code to read log files. check-in: aabb6dacf6 user: dan tags: trunk | |
2013-10-23
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22:54 | Prevent unnecessary rounding before multiplying check-in: 68dfaa3491 user: peterreid tags: trunk | |
22:43 | Fix undetected multiplication overflow check-in: 2eba06d522 user: peterreid tags: trunk | |
20:28 | Add connect/disconnect locking. And locking primitives for single-process mode. check-in: f7fc6aeec8 user: dan tags: trunk | |
19:31 | Progress on reading and writing frames from and to the log file. check-in: 5ba2ff0701 user: dan tags: trunk | |
2013-10-22
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19:04 | Add "PRAGMA bt_page_dump" to access a specific bt xControl() command. This is probably a temporary solution. check-in: d00d7c08d1 user: dan tags: trunk | |
16:20 | More logging code. check-in: 94016fe5e8 user: dan tags: trunk | |
2013-10-21
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20:04 | Continue adding logging to the btree module. Still does not work. check-in: ae62a34eb7 user: dan tags: trunk | |
2013-10-19
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20:24 | Begin to add logging to btree database. check-in: ca59333dcd user: dan tags: trunk | |
05:50 | Add missing bt_varint.c file. check-in: e5d33eb472 user: dan tags: trunk | |
2013-10-18
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17:07 | Add new file bt_lock.c. Currently contains stubs only. check-in: a4c634a7d6 user: dan tags: trunk | |
08:28 | Trim overflow pages when the corresponding record is deleted from the database. check-in: 547b950db0 user: dan tags: trunk | |
2013-10-14
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14:03 | Use key-prefixes instead of full keys on interior nodes. check-in: 449433ea21 user: dan tags: trunk | |
2013-10-12
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20:03 | Speed up the assert() used to check that no page references are being leaked. check-in: d276ad3f9e user: dan tags: trunk | |
19:50 | Fix page reference leaks in btree code. check-in: f69b88077c user: dan tags: trunk | |
2013-10-11
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20:04 | Btree fixes so that the lsmtest "data*" tests work. check-in: b0fe8e5b45 user: dan tags: trunk | |
18:07 | Fixes for keys that spill over onto overflow pages. check-in: bca95ca536 user: dan tags: trunk | |
2013-10-10
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19:38 | Fixes for overflow pages and very large values. check-in: 74e7bb267f user: dan tags: trunk | |
2013-10-09
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20:14 | Add code to deal with large values (those that will not fit on a leaf) to the btree code. Large keys are still not working. check-in: 2bd81969a6 user: dan tags: trunk | |
2013-10-08
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20:37 | Add hooks to run the "lsmtest" tree-structure tests and performance comparisons on the btree module. check-in: 8140c0abef user: dan tags: trunk | |
17:38 | Fix another bug in b-tree rebalancing. check-in: f4df828793 user: dan tags: trunk | |
2013-10-07
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20:43 | Further progress on b-tree module. check-in: 51c2c9358d user: dan tags: trunk | |
2013-09-28
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15:07 | Still further progress on the same. check-in: 4431ab2769 user: dan tags: trunk | |
11:23 | Fixes for b-tree balancing routines. Still incomplete. check-in: 9e8d7525d8 user: dan tags: trunk | |
2013-09-27
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20:25 | Begin adding routines for b-tree balancing and so on. Incomplete. check-in: 3003f1d99a user: dan tags: trunk | |
2013-09-25
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19:40 | Add a bugfix for b-tree deletes. check-in: 88c8fd489d user: dan tags: trunk | |
18:46 | Further btree updates. check-in: 6548088566 user: dan tags: trunk | |
2013-09-24
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20:39 | Further progress on b-treee backend. check-in: c954958697 user: dan tags: trunk | |
2013-09-19
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19:19 | Further btree updates. check-in: 0b68007d89 user: dan tags: trunk | |
15:13 | Add b-tree design notes to www/ directory. check-in: 8c828db5a6 user: dan tags: trunk | |