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71 check-ins using file src/os_unix.c version 25b80a3d16
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2018-12-14
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| 20:28 | Add a missing OP_ColumnsUsed opcode to code for expressions like "? IN (SELECT ...)" in cases where expression can use an index that may contain NULL values. (Backported fix from version 3.14.0). (Leaf check-in: 11368e673c user: drh tags: branch-3.8.9) | |
| 20:20 | Add the OP_ColumnsUsed opcode (when compiled with SQLITE_ENABLE_COLUMN_USED_MASK) as a hint to the b-tree layer as to which columns of a btree cursor will be used. (Backport from 3.8.11) (check-in: b29e02f877 user: drh tags: branch-3.8.9) | |
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2017-11-14
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| 18:26 | Fix the SQLITE_ENABLE_UPDATE_DELETE_LIMIT functionality so that it works with views and WITHOUT ROWID tables. This is a modified cherrypick of [dae4a97a]. (check-in: b2679d3b7a user: dan tags: branch-3.8.9) | |
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2017-11-09
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| 04:13 | Disallow ORDER BY and LIMIT on UPDATE and DELETE of views and WITHOUT ROWID tables. This is a temporary fix for ticket [d4beea1633f1b88f] until a better solution can be found. (check-in: 30aa941fc1 user: drh tags: branch-3.8.9) | |
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2017-07-27
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| 22:16 | Enhance the like optimization so that it works with an ESCAPE clause. (check-in: 2495acf710 user: drh tags: branch-3.8.9) | |
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2017-07-17
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| 19:37 | Try to push relevant WHERE clause terms of the outer query down into the subquery in order to help the subquery run faster and/or use less memory. This is a cherry-pick of [6df18e949d36] with bug fixes. (check-in: cd6ac07848 user: drh tags: branch-3.8.9) | |
| 19:25 | When checking for the WHERE-clause push-down optimization, verify that all terms of the compound inner SELECT are non-aggregate, not just the last term. Fix for ticket [f7f8c97e97597]. (Closed-Leaf check-in: adc082c146 user: drh tags: push-down-backport) | |
| 19:14 | Do not apply the WHERE-clause pushdown optimization to terms that originate in the ON or USING clause of a LEFT JOIN. Fix for ticket [c2a19d81652f40568c]. (check-in: 52674f948c user: drh tags: push-down-backport) | |
| 19:07 | For FROM-clause subqueries that cannot be flattened, try to push relevant WHERE clause terms of the outer query down into the subquery in order to help the subquery run faster and/or use less memory. Cherry-pick from [6df18e949d36]. Still need to backport bug fixes associated with that check-in. (check-in: 043d6ce8ad user: drh tags: push-down-backport) | |
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2017-07-08
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| 01:01 | Fix the covering index OR optimization (check-in [fcbd6abd]) so that it works with SQLITE_MAX_ATTACHED>30. Broken by a bad cherry-pick merge. (check-in: d227de8ad9 user: drh tags: branch-3.8.9) | |
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2017-07-05
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| 16:20 | Make use of covering indexes in the OR optimization. (check-in: fcbd6abdb1 user: drh tags: branch-3.8.9) | |
| 14:54 | Add the count-of-view optimization when compiled using SQLITE_COUNTOFVIEW_OPTIMIZATION. (check-in: b7ae4b879f user: drh tags: branch-3.8.9) | |
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2017-06-06
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| 18:22 | Add the SQLITE_DEFAULT_ROWEST compile-time option for changing the estimated number of rows in tables that lack sqlite_stat1 entries. (check-in: 802b82f342 user: drh tags: branch-3.8.9) | |
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2017-05-24
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| 04:32 | Fix a problem in STAT4 equality estimation for multi-column indexes introduced by check-in [3e0590dee0e68cc1599]. (check-in: 19dad0a720 user: drh tags: branch-3.8.9) | |
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2017-05-22
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| 00:27 | When planning a query using sorting, resolve ties in the solver by selecting loop plans with the smaller unsorted cost. (check-in: 962531e7c1 user: drh tags: branch-3.8.9) | |
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2017-01-11
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| 14:21 | In the STAT4 computations, ensure that the aAvgEq values do not go negative. (check-in: 4f83f6806a user: drh tags: branch-3.8.9) | |
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2016-11-02
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| 16:29 | When the block sorting optimization is used in a scalar subquery, be sure to exit the loop as soon as the first valid output row is received. Fix for ticket [cb3aa0641d9a4] backported to the 3.8.9 branch. (check-in: 8e4ba115ed user: drh tags: branch-3.8.9) | |
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2016-09-23
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| 18:06 | Fix the ORDER BY LIMIT optimization backport so that it works when the ORDER BY uses the DESC direction. (check-in: 0c3cafb7eb user: drh tags: branch-3.8.9) | |
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2016-09-14
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| 01:43 | Backport the ORDER BY LIMIT optimization to version 3.8.9. (check-in: db3614825f user: drh tags: branch-3.8.9) | |
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2015-04-13
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| 22:26 | On a DETACH statement, keep all schemas intact except fo the one that is being detached, and thus avoid unnecessary schema reparsing. (check-in: 661db19b34 user: drh tags: trunk) | |
| 21:39 | Omit the "pc" or "program counter" variable from the VDBE loop for 0.6% performance increase. (check-in: d2f10c41a8 user: drh tags: trunk) | |
| 19:14 | Remove the out2-prerelease VDBE opcode property and its associated code, for a 0.5% performance improvement. (check-in: e29c7f2c91 user: drh tags: trunk) | |
| 17:43 | Add a comment to wal.c to explain why a race condition is safe. (check-in: bc33af8664 user: dan tags: trunk) | |
| 14:44 | Remove a faulty assert() from the btree balancing logic. (check-in: d06669d968 user: drh tags: trunk) | |
| 14:08 | Test that if the definition of a collation sequence is changed and VACUUM run, the new database contains records sorted in the (new) correct order. (check-in: ce6eaac10a user: dan tags: trunk) | |
| 14:03 | Remove an unreachable branch from the VACUUM logic. (check-in: 65ace4b062 user: drh tags: trunk) | |
| 12:45 | Remove an unreachable branch from the vdbeSorterCompareInt() routine. (check-in: f666ef0686 user: drh tags: trunk) | |
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2015-04-12
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| 21:28 | Update the version number to 3.8.10 because of the new sort optimizations from check-in [79326d6eec]. (check-in: bd2cfa1d72 user: drh tags: trunk) | |
| 17:35 | Fix a problem with a stale Select.pWith pointer when a CTE is used together with a compound query and an ORDER BY clause. (check-in: 9a453f52a2 user: drh tags: trunk) | |
| 01:33 | Merge all recent trunk enhancements into the sessions branch. (check-in: 5f14f34f07 user: drh tags: sessions) | |
| 01:22 | Avoid problems when a query has a GROUP BY and an ORDER BY but no FROM clause. (check-in: e527d96a1e user: drh tags: trunk) | |
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2015-04-11
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| 20:44 | Optimizations for VACUUM, CREATE INDEX and some cases of ORDER BY. (check-in: 79326d6eec user: dan tags: trunk) | |
| 20:20 | Fix a problem with sorting large amounts of partially ordered data. (check-in: acca97efda user: dan tags: trunk) | |
| 18:45 | Merge latest trunk changes with this branch. (Closed-Leaf check-in: cf7590f607 user: dan tags: sorter-opt) | |
| 17:09 | Merge the sessions-diff branch with this one. (check-in: 805baa57e5 user: dan tags: sessions) | |
| 13:49 | Add the --changeset option to the sqldiff utility program, for generating a sessions changeset file instead of an SQL diff. (check-in: f9a3a8391c user: drh tags: trunk) | |
| 13:48 | The --changeset option now appears to be working. (Closed-Leaf check-in: 1a2e280392 user: drh tags: sqldiff-changeset) | |
| 12:07 | First complete attempt to generate a working changeset. Still contains bugs. (check-in: 5611fa9bd5 user: drh tags: sqldiff-changeset) | |
| 11:53 | Update tests in whereD.test to account for the change in the previous commit. (check-in: da49700ca1 user: dan tags: trunk) | |
| 11:44 | Do not assume an index contains unique entries unless it is declared UNIQUE and NOT NULL is specified for all columns. Fix for [7b4fee9f6c]. (check-in: e3b1f62551 user: dan tags: trunk) | |
| 02:08 | Detect and report oversized records constructed from multiple zeroblobs. (check-in: 9e139afd92 user: drh tags: trunk) | |
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2015-04-10
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| 21:16 | Minor build enhancements for MSVC. (check-in: 40c417a7ef user: mistachkin tags: trunk) | |
| 19:41 | Work toward adding the --changeset option to the sqldiff utility program. Changes are incomplete. This is an incremental check-in. (check-in: 463e38d765 user: drh tags: sqldiff-changeset) | |
| 16:05 | In sqlite3_declare_vtab(), avoid accessing the database structure until after the "api-armour" safety-check has completed and the db mutex has been obtained. (check-in: 860e4f8a94 user: dan tags: trunk) | |
| 12:04 | Fix foreign key CASCADE for cases where the parent key is an INTEGER PRIMARY KEY and the parent table contains other columns named "rowid", "_rowid_", and "oid". (check-in: ed3cbaab6a user: drh tags: trunk) | |
| 08:28 | Update this branch with the latest changes from sorter-opt. (Leaf check-in: 08c0b19b89 user: dan tags: insert-select-opt) | |
| 08:20 | Update this branch with latest trunk changes. (check-in: 60be9c1c1a user: dan tags: sorter-opt) | |
| 07:55 | Do not allow virtual table constructors to be called recursively. (check-in: 0a72726da2 user: dan tags: trunk) | |
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2015-04-09
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| 19:39 | Fix incorrect column names in UPDATE statements generated by the sqldiff utility. (check-in: ee53b46011 user: drh tags: trunk) | |
| 19:19 | Updates to comments describing the changeset and patchset formats. (check-in: 5342f721e8 user: dan tags: sessions) | |
| 18:14 | Add the --primarykey option to the sqldiff tool, which causes it to use the schema-defined PRIMARY KEY. (check-in: 5063f9070a user: drh tags: trunk) | |
| 16:30 | Remove two pointless assert() statements. This should silence harmless compiler warnings reported at https://bugzilla.mozilla.org/show_bug.cgi?id=1152845 (check-in: 83b342a44f user: drh tags: trunk) | |
| 13:40 | Fix comment typos in the sqldiff.c utility program. (check-in: 32ab2bb990 user: drh tags: trunk) | |
| 13:34 | Add the "sqldiff" utility program. (check-in: 88da5bf5d2 user: drh tags: trunk) | |
| 11:24 | Remove a variable initializion to silence a harmless compiler warning. (check-in: 79861adbef user: drh tags: trunk) | |
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2015-04-08
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| 16:43 | Fix problems in the sessions module causing it to produce spurious SQLITE_NOMEM errors when handling SQL text or blob values zero bytes in size. (check-in: b9459d5980 user: dan tags: sessions) | |
| 16:01 | Add experimental API sqlite3session_diff(). (Closed-Leaf check-in: c4340b2ea2 user: dan tags: sessions-diff) | |
| 14:01 | Merge all changes for version 3.8.9 into the ota-update branch. (check-in: ec9d907a57 user: drh tags: ota-update) | |
| 12:16 | Version 3.8.9 (check-in: 8a8ffc862e user: drh tags: trunk, release, version-3.8.9) | |
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2015-04-07
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| 23:10 | Merge printf() width and precision overflow fixes from trunk. (check-in: aeca95ac77 user: drh tags: sessions) | |
| 21:18 | Merge updates from trunk. (check-in: c458db41bb user: mistachkin tags: expShell) | |
| 15:39 | Avoid signed integer overflow when converting oversized in-line integer widths and precisions in printf(). (check-in: 8e4ac2ce24 user: drh tags: trunk) | |
| 14:38 | Another change to avoid a problem caused by integer overflow in the printf() code. (check-in: 95625ef3ad user: dan tags: trunk) | |
| 13:28 | Further changes to guard against integer overflow in the width and precision of printf() arguments. (check-in: 5ce4e7d765 user: drh tags: trunk) | |
| 12:41 | Guard against excessive width and precision in floating-point conversions in the printf routines. (check-in: c494171f77 user: drh tags: trunk) | |
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2015-04-06
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| 12:08 | Merge obscure problem fixes from trunk. (check-in: 271c110bcf user: drh tags: sessions) | |
| 11:04 | Fix a problem with fts3 prefix terms within phrase queries on "order=DESC" tables with a mix of negative and positive rowids. (check-in: 3ad829e50f user: dan tags: trunk) | |
| 09:05 | Fix a problem with fts3 prefix terms within phrase queries on "order=DESC" tables with a mix of negative and positive rowids. (Closed-Leaf check-in: 0cdf502885 user: dan tags: fts3-prefix-query-fix) | |
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2015-04-04
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| 16:49 | Fix a problem with resolving ORDER BY clauses that feature COLLATE clauses attached to compound SELECT statements. (check-in: edc1de2a58 user: dan tags: trunk) | |
| 16:43 | Fix a problem with resolving ORDER BY clauses that feature COLLATE clauses attached to compound SELECT statements. (Closed-Leaf check-in: 427b50fba7 user: dan tags: compound-order-by-fix) | |
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2015-04-03
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| 20:33 | Disable the SQLITE_FCNTL_WAL_BLOCK feature for now. It needs more work and is not yet ready for release. (check-in: 4ae9a3acc4 user: drh tags: trunk) | |