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432 check-ins using file ext/misc/btreeinfo.c version 26004b7a
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2021-07-12
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| 15:00 | Fix a defect in the query-flattener optimization identified by ticket [8f157e8010b22af0]. This fix is associated with CVE-2020-15358. (Leaf check-in: bcd014c4 user: dan tags: branch-3.32a) | |
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2020-07-17
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| 11:07 | Bring this branch up to date with begin-concurrent-pnu. (check-in: 12a909fb user: dan tags: begin-concurrent-report) | |
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2020-07-16
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| 20:57 | Allow BEGIN CONCURRENT transactions to contain schema modifications. However, this causes them to conflict with all other transactions. (check-in: 2160ede1 user: dan tags: begin-concurrent-pnu-wal2) | |
| 20:39 | Allow BEGIN CONCURRENT transactions to contain schema modifications. However, this causes them to conflict with all other transactions. (check-in: e9393a18 user: dan tags: begin-concurrent-pnu) | |
| 20:24 | Allow BEGIN CONCURRENT transactions to contain schema modifications. However, this causes them to conflict with all other transactions. (check-in: 9a4a0230 user: dan tags: begin-concurrent) | |
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2020-06-19
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| 13:33 | Further refactoring of the schema table name. (check-in: 9536fa0a user: drh tags: trunk) | |
| 11:34 | Refactoring various names. No changes in the resulting machine code. (check-in: 7bb08b1b user: drh tags: trunk) | |
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2020-06-18
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| 14:30 | Merge the 3.32.3 release into the reuse-schema branch. (Leaf check-in: c2d36763 user: drh tags: reuse-schema-3.32) | |
| 14:00 | Version 3.32.3 (Leaf check-in: 7ebdfa80 user: drh tags: release, branch-3.32, version-3.32.3) | |
| 13:16 | Fix an assert() that could fail when operating on a database with a corrupt schema. (check-in: b69b9c06 user: drh tags: branch-3.32) | |
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2020-06-17
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| 20:29 | Fix an assert() that could fail when operating on a database with a corrupt schema. (check-in: 4a340c9b user: dan tags: trunk) | |
| 17:27 | Fix an assert() in fts3 that could fail when processing a corrupt record. (check-in: ea71fb7f user: drh tags: branch-3.32) | |
| 14:54 | Fix an assert() in fts3 that could fail when processing a corrupt record. (check-in: 4adc0a1b user: dan tags: trunk) | |
| 14:14 | Fix a problem with retrying constraint failures within sqlite3changeset_apply() calls with the SQLITE_CHANGESET_INVERT flag is set. (check-in: d73e857b user: dan tags: trunk) | |
| 12:37 | Merge miscellaneous fixes from trunk into the 3.32 branch. (check-in: d55b8e79 user: drh tags: branch-3.32) | |
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2020-06-16
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| 19:51 | Add new file doc/wal-lock.md, containing notes on wal-mode blocking locks. (check-in: c6b1d3a3 user: dan tags: trunk) | |
| 17:34 | In the CLI, only interrupt tabular outputs at the end of a line. And print "Interrupt" on a line after stopping the output. (check-in: f3bd6893 user: drh tags: trunk) | |
| 15:19 | Merge 3.32.2 changes into the reuse-schema branch. (check-in: dc081336 user: drh tags: reuse-schema-3.32) | |
| 14:12 | Add a test case covering the previous check-in to the test/fuzzdata8.db file. (check-in: 95379da0 user: drh tags: trunk) | |
| 14:06 | Fix an assert() in fts3 that can fail when processing a corrupt record. (check-in: a58a6d6f user: dan tags: trunk) | |
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2020-06-15
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| 20:27 | Provide "sqlite_schema" as an alternative name to the table that holds the database schema. (check-in: 61782a7a user: drh tags: trunk) | |
| 20:05 | Fix the CLI so that interrupts work in columnar output mode. (check-in: 9472f1fe user: drh tags: trunk) | |
| 14:38 | Fix the --enable-update-limit option to ./configure. (check-in: d31fd57e user: drh tags: trunk) | |
| 13:51 | Fix a defect in the query-flattener optimization identified by ticket [8f157e8010b22af0]. (check-in: 10fa79d0 user: drh tags: trunk) | |
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2020-06-14
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| 13:40 | Check-in [1d4f86201dab9a22] changed a testcase() to an assert() because we didn't know how to reach that condition any more. But YongHeng's fuzzer found a way. So now we change it back. Ticket [9fb26d37cefaba40]. (check-in: 90b1169d user: drh tags: trunk) | |
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2020-06-13
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| 21:24 | Avoid deleting expression nodes in the flattener code, as they may be referenced by AggInfo objects further up the stack. Ticket [e367f31901ea8700] (check-in: cc1fffde user: dan tags: trunk) | |
| 03:18 | Identifiers "TRUE" and "FALSE" cannot take on their boolean constant values if they are operands of the "." operator. (check-in: ad738286 user: drh tags: trunk) | |
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2020-06-12
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| 15:45 | New test case added to test/fuzzdata8.db. (check-in: 14a5cbdd user: drh tags: trunk) | |
| 15:17 | Fix a buffer overread in fts3 that could occur when decoding a corrupted record. (check-in: 9a4a40c4 user: dan tags: trunk) | |
| 00:31 | Remove a NEVER() that turns out to be reachable. (check-in: 44e573ec user: drh tags: trunk) | |
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2020-06-11
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| 16:04 | Add a new assert() to the SELECT processing. (check-in: 98cea4a3 user: drh tags: trunk) | |
| 15:53 | Avoid rewriting compound SELECT statements that use a different collation sequence for ORDER BY and record processing a second time if they contain window functions. Fix for [b706351c]. (check-in: 32a88bdd user: dan tags: trunk) | |
| 00:57 | Provide the ability to use the SELECTTRACE() debugging macro outside of the select.c source file. Use this to add a new SELECTTRACE() entry in window.c for improved tracing of window-function parse-tree rewriting. (check-in: 30c6d895 user: drh tags: trunk) | |
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2020-06-10
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| 14:30 | Make sure the bbox object is fully initialized in geopoly, even if reading a corrupted database. (check-in: fd5abb1a user: drh tags: trunk) | |
| 11:18 | Ensure that aggregate functions that (a) are part of SELECT statements with no FROM clause and (b) have one or more scalar sub-selects as arguments are assigned to the correct aggregate context. Fix for ticket [7c6d876f84e6e7e2] (check-in: dafd2466 user: dan tags: branch-3.32) | |
| 11:01 | Ensure that the "push-down" optimization does not push constraints down into compound queries if any of the component queries uses window functions. (check-in: d31850fe user: dan tags: branch-3.32) | |
| 11:01 | Disable AggInfo consistency checks when unwinding after an OOM. (check-in: 7e2833fb user: dan tags: branch-3.32) | |
| 10:58 | Ensure that the "push-down" optimization does not push constraints down into compound queries if any of the component queries uses window functions. (check-in: 094dcfe7 user: dan tags: trunk) | |
| 03:07 | Disable AggInfo consistency checks when unwinding after an OOM. (check-in: 65179814 user: drh tags: trunk) | |
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2020-06-09
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| 23:50 | Ensure that aggregate functions that (a) are part of SELECT statements with no FROM clause and (b) have one or more scalar sub-selects as arguments are assigned to the correct aggregate context. Fix for ticket [7c6d876f84e6e7e2] (check-in: c29a9e48 user: drh tags: trunk) | |
| 22:11 | Mark an always-true conditional with ALWAYS(). (Closed-Leaf check-in: 35a23684 user: drh tags: agg-context-fix) | |
| 17:45 | Ensure that aggregate functions that (a) are part of SELECT statements with no FROM clause and (b) have one or more scalar sub-selects as arguments are assigned to the correct aggregate context. (check-in: 16a41fa8 user: dan tags: agg-context-fix) | |
| 14:56 | Crazy experimental change to refcount the AggInfo objects. (Leaf check-in: 9a4cc1db user: drh tags: refcount-agginfo) | |
| 13:53 | Modify a test file to avoid causing Tcl to allocate too much memory. (check-in: 232431f3 user: dan tags: trunk) | |
| 13:38 | Give the expression pointer fields of AggInfo distinctive names in order to simplify tracking of all their uses. (check-in: a53bdd31 user: drh tags: trunk) | |
| 13:17 | Persist AggInfo expressions before deleting them when omitting the LIMIT clause in a subquery. One possible fix for ticket [7c6d876f84e6e7e2]. (Leaf check-in: 04867cba user: drh tags: tkt-7c6d876f84e6e7e2) | |
| 11:59 | Improved tree-view debugging output for aggregate functions. (check-in: b5711b4e user: drh tags: trunk) | |
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2020-06-08
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| 14:43 | Fix a case where a corrupted fts3 record could cause an assert() failure, or spurious SQLITE_NOMEM error in builds with assert() disabled. (check-in: d48af4d2 user: dan tags: trunk) | |
| 12:51 | Increase the version number to 3.32.3. (check-in: a376ec69 user: drh tags: branch-3.32) | |
| 12:49 | When an Expr object is changed and that Expr is referenced by an AggInfo, then also update the AggInfo. Also, persist all AggInfo objects until the Parse object is destroyed. This is a new fix for ticket [c8d3b9f0a750a529]. (check-in: 44a58d6c user: drh tags: branch-3.32) | |
| 11:34 | When an Expr object is changed and that Expr is referenced by an AggInfo, then also update the AggInfo. Also, persist all AggInfo objects until the Parse object is destroyed. This is a new fix for ticket [c8d3b9f0a750a529] that avoids the follow-on problems identified by tickets [0899cf62f597d7e7], [1f6f353b684fc708], [e5504e987e419fb0], and [f7d890858f361402]. (check-in: 6e6b3729 user: drh tags: trunk) | |
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2020-06-07
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| 22:44 | Fix minor OOM problems. (Closed-Leaf check-in: 8b23d802 user: drh tags: persist-agginfo) | |
| 20:18 | AggInfo objects might be referenced even after the sqlite3Select() function that created them has exited. So AggInfo cannot be a stack variable. And it must not be freed until the Parse object is destroyed. (check-in: 3c840b4d user: drh tags: persist-agginfo) | |
| 17:33 | Alternative fix to ticket [c8d3b9f0a750a529]: Prior to deleting or modifying an Expr not that is referenced by an AggInfo, modify the AggInfo to get its own copy of the original Expr. (check-in: 7682d8a7 user: drh tags: persist-agginfo) | |
| 14:42 | New debugging output. (Leaf check-in: c0d9dfe5 user: drh tags: early-winfunc-rewrite-dev) | |
| 12:26 | Improvements to the treeview debugging display. (check-in: a7c5c739 user: drh tags: early-winfunc-rewrite-dev) | |
| 00:51 | Extra steps to ensure that queries that involve both window functions and aggregate functions are processed correctly by sqlite3WindowRewrite(). Fix for ticket [e5504e987e419fb0]. (Leaf check-in: 765bbcce user: drh tags: branch-3.32-early-winfunc-rewrite) | |
| 00:43 | Extra steps to ensure that queries that involve both window functions and aggregate functions are processed correctly by sqlite3WindowRewrite(). Fix for ticket [e5504e987e419fb0]. (check-in: a6c2147c user: drh tags: early-winfunc-rewrite-dev) | |
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2020-06-06
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| 20:48 | Merge multiple changes from trunk to address concerns with window-function parse-tree rewriting. (check-in: 05418b2a user: drh tags: branch-3.32-early-winfunc-rewrite) | |
| 19:54 | Fix a possible ASAN violation inside of debug-only code following an OOM. (check-in: 0e021887 user: drh tags: early-winfunc-rewrite-dev) | |
| 19:35 | When determining if the subquery inserted by the window-function rewriter is an aggregate query, aggregate functions that are in parameters to another window function do not count. Fix for ticket [1f6f353b684fc708] (check-in: 8583c348 user: drh tags: early-winfunc-rewrite-dev) | |
| 18:45 | Clearly distinguish between window functions and scalar functions in the debugging TreeView output. (check-in: 15babdcb user: drh tags: early-winfunc-rewrite-dev) | |
| 18:34 | In the query flattener, defer deleting content until after associated Parse object is destroyed, in case some of the deleted expressions have been collected for use by sAggInfo. (check-in: 03b32be4 user: drh tags: early-winfunc-rewrite-dev) | |
| 14:58 | Remove an incorrect assert() added earlier today. (check-in: 3926ff17 user: drh tags: early-winfunc-rewrite-dev) | |
| 14:44 | When rewriting the parse-tree for window functions, ensure that the inserted subqueries have an accurate SF_Aggregate bit set. This change also coincidentally fixes ticket [0899cf62f597d7e7], even thought that was not the issue we were working on at the time. (check-in: 2cddb24e user: drh tags: early-winfunc-rewrite-dev) | |
| 14:29 | Fix an assert() failure that could occur if an ORDER BY expression attached to a compound query contains a subquery that (a) is itself a compound query, (b) uses window functions and (c) has an ORDER BY clause that includes another sub-query. (check-in: c96914ea user: dan tags: early-winfunc-rewrite-dev) | |
| 13:29 | Avoid no-op calls to sqlite3SelectPrep() when processing sqlite3Select() for subqueries. This simplifies the ".selecttrace" debugging output. (check-in: 3de19ee2 user: drh tags: early-winfunc-rewrite-dev) | |
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2020-06-05
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| 21:36 | Improved tracing of window function parse tree rewrites. (check-in: 7e8060cf user: drh tags: early-winfunc-rewrite-dev) | |
| 18:17 | Assign a fake name to the ephemeral subquery tables that are created when making parse-tree changes for window functions. (check-in: c4072267 user: drh tags: early-winfunc-rewrite-dev) | |
| 15:56 | Do parse-tree transformations required for window functions prior to running aggregate function analysis. Fix for ticket [c8d3b9f0a750a529]. (check-in: 79eff1d0 user: drh tags: branch-3.32-early-winfunc-rewrite) | |
| 15:40 | New test case for fuzzdata8.db. (check-in: 2870d117 user: drh tags: early-winfunc-rewrite-dev) | |
| 15:26 | Do parse-tree transformations required for window functions prior to running aggregate function analysis. Fix for ticket [c8d3b9f0a750a529]. (check-in: 0b42a227 user: drh tags: early-winfunc-rewrite-dev) | |
| 14:53 | Ensure that the "push-down" optimization does not push constraints down into compound queries if any of the component queries uses window functions. (Closed-Leaf check-in: 2011e832 user: dan tags: early-winfunc-rewrite) | |
| 14:25 | ALWAYS() and NEVER() macros added due to unreachable branches arising from the previous check-in. (check-in: 13ffedab user: drh tags: early-winfunc-rewrite) | |
| 14:10 | Move the parse tree rewrite for window functions earlier in the process, before sqlite3ExprAnalyzeAggregates() has run. Add new assert()s to verify that aggregate analysis always remains valid until the end of SELECT processing. (check-in: fe702aa0 user: drh tags: early-winfunc-rewrite) | |
| 04:01 | In the debugging treeview output, change the name of "SELECT-expr" expression nodes to be "subquery-expr", so as to not confuse them with actual SELECT nodes. (check-in: c1c8937a user: drh tags: trunk) | |
| 00:54 | Always use ?...? to indicate optional arguments in the output of ".help" in the CLI. Change ".mode column" so that it automatically activates ".headers on" if headers have not been previously turned on or off. (check-in: 2827c0a1 user: drh tags: trunk) | |
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2020-06-04
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| 18:05 | Add support for "box" mode in the CLI: Like "table" except that it uses unicode box-drawing characters instead of ascii-art. (check-in: 6da784c9 user: drh tags: trunk) | |
| 16:54 | Improved display of ".mode table" output for empty result sets. (check-in: 7efabd68 user: drh tags: trunk) | |
| 16:34 | Use __has_extension(c_atomic) instead of __has_feature(c_atomic) to detect support for atomic load and store operations with clang. (check-in: 36225579 user: dan tags: trunk) | |
| 16:07 | Use AtomicStore() to set values in the wal-index hash table. (check-in: 1ab30c75 user: dan tags: trunk) | |
| 12:58 | Version 3.32.2 (check-in: ec02243e user: drh tags: release, branch-3.32, version-3.32.2) | |
| 02:50 | Work around a bug in clang-11.0.0. See forum post 3c2bf8042ec46195 for further info. (check-in: 3c2bf804 user: drh tags: trunk) | |
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2020-06-03
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| 22:57 | Fix for ticket [810dc8038872e212]. (check-in: 9cfefef5 user: drh tags: branch-3.32) | |
| 22:47 | Version number to 3.32.2 (check-in: 4454b27f user: drh tags: branch-3.32) | |
| 19:28 | Fix for ticket [810dc8038872e212]. Thank to user "Maxulite" for tracking down the problem! (check-in: 89af93d7 user: drh tags: trunk) | |
| 15:59 | Simplification to the interrupt handling logic in sqlite3VdbeExec() saves a few bytes of code space. (check-in: 43e0e59b user: drh tags: trunk) | |
| 03:00 | Improve the query planner so that it is better able to find full index scan plan when there is an INDEXED BY clause. (check-in: d901837f user: drh tags: trunk) | |
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2020-05-30
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| 15:34 | Draw the dashes below the headers in "explain" mode in the CLI. (check-in: c6b7833a user: drh tags: trunk) | |
| 00:30 | Improved VDBE comments on the ANALYZE code generator. This change also fixes a harmless use of an uninitialized integer variable as an input to the %d format on a VDBE comment. (check-in: 1cb248a3 user: drh tags: trunk) | |
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2020-05-29
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| 21:06 | Enhancements to the incremental build support for MSVC. (check-in: 2e25d915 user: mistachkin tags: trunk) | |
| 20:16 | Remove a stray "&" character in the CLI, detected by a clang warning. (check-in: 5865d2f2 user: drh tags: trunk) | |
| 19:45 | Add the "shelltest" target to the MSVC makefile as well. (check-in: 9924c045 user: drh tags: trunk) | |
| 19:39 | Fix the ".import" command of the CLI to clean up better after errors. Add the new "shelltest" makefile target on unix platforms. (check-in: 50d4ddf1 user: drh tags: trunk) | |
| 19:17 | Improvements to help text for the CLI. (check-in: 6a01e4c4 user: drh tags: trunk) | |
| 19:03 | Fix a memory leak in the CLI when an unknown or unrecognized argument is given to the ".dump" command. (check-in: 71bfbbcc user: drh tags: trunk) | |
| 16:15 | Improvements to columnar output in the CLI. Columns automatically expand to contain the largest row. (check-in: 4e1db8e9 user: drh tags: trunk) | |
| 14:38 | Space to hold the ".width" of columns in the CLI is now obtained from malloc() and hence is not limited in the number of columns supported. (check-in: 445ed5da user: drh tags: trunk) | |
| 12:31 | Incremental improvements to tabular output modes in the CLI. The "markdown" and "table" modes no have headers turned on by default. (check-in: af28bff9 user: drh tags: trunk) | |
| 11:07 | Expand upon a comment in os_unix.c. No changes to code. (check-in: 77933dc4 user: dan tags: trunk) | |
| 00:21 | In the json output mode of the CLI, do correct quoting of escape characters. Also, show BLOBs as JSON strings, possibly with embedded \u0000 bytes. (check-in: 0278147a user: drh tags: trunk) | |
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2020-05-28
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| 23:49 | Progress toward adding new output modes to the CLI: json, table, and markdown. (check-in: 14f55faf user: drh tags: trunk) | |
| 20:37 | Enhance the ".quote" mode in the shell so that it honors .separator. (check-in: b5e33ed5 user: drh tags: trunk) | |
| 00:45 | When the sqlite_stat1 data is missing for some indexes of a table but is present for the table itself or for other indexes in the same table, then do not let the estimated number of rows in that table get too small, as doing so can deceive the query planner into ignoring a perfectly good index. (check-in: 98d42620 user: drh tags: trunk) | |
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2020-05-27
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| 12:44 | Small performance improvement and size reduction in the expression code generator. (check-in: eeb53e21 user: drh tags: trunk) | |
| 00:02 | Change a datatype from i16 to int to appease Converity and help eliminate a false-positive. (check-in: 5b560ec4 user: drh tags: trunk) | |
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2020-05-26
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| 20:33 | Fix the cksumvfs extension so that it will not register itself more than once. (check-in: d5cdd571 user: drh tags: trunk) | |
| 20:31 | Performance optimization in the transfer of error messages from statements to connections. (check-in: 0e898f4f user: drh tags: trunk) | |
| 11:23 | Increase the version number to 3.33.0 to begin the next release cycle. (check-in: 790badb3 user: drh tags: trunk) | |
| 11:10 | Changes to sqlite3SelectNew() to work around a false-positive warning from GCC-10. The code is very slightly larger and slower as a result. (check-in: 04e1edd8 user: drh tags: trunk) | |
| 10:54 | Innocuous changes to help Coverity avoid false-positives. (check-in: 4ec8a5a2 user: drh tags: trunk) | |
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2020-05-25
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| 18:18 | Merge version 3.32.1 into the begin-concurrent-pnu-wal2 branch. (check-in: 0f9464c5 user: drh tags: begin-concurrent-pnu-wal2) | |
| 18:09 | Merge version 3.32.1 into the wal2 branch. (check-in: 5c183757 user: drh tags: wal2) | |
| 18:03 | Merge versoin 3.32.1 into the begin-concurrent-pnu branch. (check-in: e8d79d2b user: drh tags: begin-concurrent-pnu) | |
| 17:27 | Merge version 3.32.1 into the begin-concurrent branch. (check-in: 5e08e360 user: drh tags: begin-concurrent) | |
| 16:34 | Update the reuse-schema branch to version 3.32.1 (check-in: ecf8dece user: drh tags: reuse-schema) | |
| 16:19 | Version 3.32.1 (check-in: 0c1fcf47 user: drh tags: trunk, release, version-3.32.1) | |
| 15:41 | Extra assert() statements in the printf() logic. (check-in: b1b182be user: drh tags: trunk) | |
| 15:19 | Defensive code that tries to prevent a recurrence of problems like the one described in ticket [7a5279a25c57adf1] (check-in: 572105de user: drh tags: trunk) | |
| 12:49 | Fix minor compile issues with optional extensions. (check-in: 3261ee9e user: drh tags: trunk) | |
| 12:02 | Make sure variable declarations are at start of scope even when SQLITE_ENABLE_SNAPSHOT is used. (check-in: a77ceaf6 user: drh tags: trunk) | |
| 01:31 | Attempt to work around a false-positive warning in the CGo compiler. (Closed-Leaf check-in: d4bf60f4 user: drh tags: cgo-warning-workaround) | |
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2020-05-24
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| 12:36 | Version number to 3.32.1. (check-in: 56e5063c user: drh tags: trunk) | |
| 03:38 | When rewriting a query for window functions, if the rewrite changes the depth of TK_AGG_FUNCTION nodes, be sure to adjust the Expr.op2 field appropriately. Fix for ticket [7a5279a25c57adf1] (check-in: ad7bb70a user: drh tags: trunk) | |
| 03:01 | Move some utility Walker callbacks into the walker.c source file, as they seem to belong there better. (check-in: dac43823 user: drh tags: trunk) | |
| 02:05 | Improvements to parse-tree tracing logic. No changes in deliverable code. (check-in: f7e5a68a user: drh tags: trunk) | |
| 00:30 | Minor fix to a comment. No code changes. (check-in: efdbb2b4 user: drh tags: trunk) | |
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2020-05-23
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| 19:58 | Limit the "precision" of floating-point to text conversions in the printf() function to 100,000,000. Fix for ticket [23439ea582241138]. (check-in: d08d3405 user: drh tags: trunk) | |
| 17:56 | Improved bytecode comment. (check-in: 9224f154 user: drh tags: trunk) | |
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2020-05-22
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| 18:41 | Merge version 3.32.0 into the reuse-schema branch. (check-in: 31706878 user: drh tags: reuse-schema) | |
| 18:35 | Merge version 3.32.0 into the begin-concurrent-pnu-wal2 branch. (check-in: 3cb29606 user: drh tags: begin-concurrent-pnu-wal2) | |
| 18:28 | Merge version 3.32.0 into the wal2 branch. (check-in: 1cb46a74 user: drh tags: wal2) | |
| 18:17 | Merge the 3.32.0 release into the begin-concurrent-pnu branch. (check-in: 79663e66 user: drh tags: begin-concurrent-pnu) | |
| 18:09 | Merge the 3.32.0 release into the begin-concurrent branch. (check-in: 79ad4ea2 user: drh tags: begin-concurrent) | |
| 17:46 | Version 3.32.0 (check-in: 5998789c user: drh tags: trunk, release, version-3.32.0) | |
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2020-05-21
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| 20:38 | Change a NEVER macro into a NO_TEST comment, as the conditional is reachable, but only when compiling for Windows 32-bit. (check-in: ce36b6d1 user: drh tags: trunk) | |
| 19:13 | Avoid another potential OOB read in sqlite3expert.c. (check-in: 0ccea800 user: dan tags: trunk) | |
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2020-05-20
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| 15:02 | Back out the change from [7fab1393c2b22b1f] that tries to convert invalid surrogate characters in UTF16 into the replacement character 0xfffd, as we find that this breaks some software. (check-in: 4218c7b7 user: drh tags: trunk) | |
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2020-05-19
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| 15:51 | Add compiler hints to disable TSAN for the routines that access the -shm file header in WAL mode using a double-read with memory barrier. (check-in: 3117c1b5 user: drh tags: trunk) | |
| 15:40 | In os_win.c, avoid calling sqlite3_uri_boolean() on anything other than a main-db filename. (check-in: cb0a18e6 user: dan tags: trunk) | |
| 12:29 | User-suggested improvement to the README.txt for the ICU extension. (check-in: 1d1293c2 user: drh tags: trunk) | |
| 12:27 | In wal.c, improved comments on concurrency issues. More use of AtomicLoad() and AtomicStore(). (check-in: 4bf566fe user: drh tags: trunk) | |
|
2020-05-18
| ||
| 19:55 | Merge latest trunk changes into this branch. (check-in: 5dc355cc user: dan tags: begin-concurrent-pnu-wal2) | |
| 19:11 | Bring the reuse-schema branch up to date with the latest trunk changes. (check-in: d8ea0cb6 user: drh tags: reuse-schema) | |
| 18:02 | Add vdbevtab.lo to build of libsqlite3.lib in Makefile.msc. (check-in: f64d054b user: dan tags: trunk) | |
| 17:18 | Merge latest trunk changes into this branch. (check-in: 16b1eca9 user: dan tags: wal2) | |
| 16:19 | Merge recent changes from trunk. (check-in: c69f030b user: drh tags: begin-concurrent-pnu) | |
| 15:41 | Merge latest trunk changes into this branch. (check-in: 9e4a7b3e user: dan tags: begin-concurrent) | |
|
2020-05-17
| ||
| 13:47 | Avoid harmless UB in memcpy() in the JSON extension. (check-in: 69e149f7 user: drh tags: trunk) | |
| 00:26 | Use the sqlite3Realloc() interface internally, rather than the public sqlite3_realloc64() equivalent, to avoid unnecessary calls to sqlite3_initialize(). (check-in: 1313557b user: drh tags: trunk) | |
|
2020-05-16
| ||
| 21:01 | Performance optimization for the sqlite3FindTable() subroutine. (check-in: 55910b9a user: drh tags: trunk) | |
| 19:00 | Merge trunk enhancements in the reuse-schema branch. (Actual date of this check-in is 2020-05-18.) (check-in: 5af4abe9 user: drh tags: reuse-schema) | |
| 18:01 | The OP_RealAffinity opcode is not necessary after reading values from a virtual table (such as rtree). It is harmless, but it does use CPU cycles. Might as well leave it off. (check-in: dc18d893 user: drh tags: trunk) | |
| 17:26 | Fix a use-after-free bug in the fts3 snippet() function. (check-in: 0d69f76f user: dan tags: trunk) | |
| 16:23 | Extra memory barrier during initialization. (check-in: 043a7e14 user: drh tags: trunk) | |
| 15:18 | Add sqlite3BeginBenignMalloc() and EndBenignMalloc() calls to debugging function sqlite3VdbePrintOp(). (check-in: 6f857d0e user: dan tags: trunk) | |
|
2020-05-15
| ||
| 18:48 | Update code in sqlite3expert.c to account for the fact that "-- TRIGGER xyz" VM comments are now omitted for some builds. (check-in: 7cf93dc5 user: dan tags: trunk) | |
| 16:19 | Fix another build problem for SQLITE_OMIT_VIRTUALTABLE builds. (check-in: 5e1eb0fa user: dan tags: trunk) | |
| 16:05 | Fix a documentation typo. No changes to code. (check-in: 758353c7 user: drh tags: trunk) | |
| 15:03 | Adjust some requirement marks. No changes to code. (check-in: 7285ae2c user: drh tags: trunk) | |
| 13:52 | Update test file e_fkey.test to account for the fact that new columns with REFERENCE clauses and non-NULL default values may now be added using ALTER TABLE if the table is empty. (check-in: 4087fce9 user: dan tags: trunk) | |
| 11:36 | Fix SQLITE_OMIT_VIRTUALTABLE testfixture builds. (check-in: 3d9780c5 user: dan tags: trunk) | |
| 11:26 | Test script changes to account for the fact that the "p5" column in the EXPLAIN output is now an integer, not a text values containing a 2-digit hex value. (check-in: 102126d8 user: dan tags: trunk) | |
| 01:18 | Enhancements to long-path support in the Win32 VFS. (check-in: 0119d96d user: mistachkin tags: trunk) | |
| 01:13 | Move some new test cases from fts3snippet.test into fts3snippet2.test. (check-in: fa203999 user: drh tags: trunk) | |
| 01:02 | Add the SQLITE_ENABLE_FTS3_PARENTHESIS option to fuzzcheck. Add a new test case that uses that option. (check-in: c49a33db user: drh tags: trunk) | |
|
2020-05-14
| ||
| 23:59 | Fix a null pointer deference that can occur on a strange matchinfo() query. (check-in: a4dd1489 user: drh tags: trunk) | |
| 21:16 | Do not allow a virtual table to be renamed into the name of one of its shadows. (check-in: eca0ba2c user: drh tags: trunk) | |
|
2020-05-13
| ||
| 18:03 | Implement the IIF(x,y,z) SQL function that is short-hand for "CASE WHEN x THEN y ELSE z END". For compatibility with SQL Server. (check-in: fce173cd user: drh tags: trunk) | |
| 17:26 | Remove unused constant SQLITE_FUNC_COALESCE. (check-in: a116b20f user: drh tags: trunk) | |
| 13:33 | Use AtomicStore() and AtomicLoad() in a few more places to avoid a theoretically undefined behaviour. This is not actually problem on any known hardware. (check-in: fda57d4d user: dan tags: trunk) | |
|
2020-05-11
| ||
| 11:11 | New test case in test/fuzzdata8.db. (check-in: fa112301 user: drh tags: trunk) | |
| 10:55 | Fix a problem handling constant integer expressions with collation sequences in PARTITION BY clauses. (check-in: 155e6649 user: dan tags: trunk) | |
|
2020-05-08
| ||
| 19:02 | Release some restrictions on columns added by ALTER TABLE so that they only apply if the table contains one or more rows. (check-in: 3a16c0ce user: drh tags: trunk) | |
| 18:22 | Fix the count-optimization so that it honors the NOT INDEXED clause. (check-in: 0d23a0b2 user: drh tags: trunk) | |
| 15:28 | New test cases added to test/fuzzdata8.db. (check-in: 3fce9711 user: drh tags: trunk) | |
| 10:44 | Do not retry on a failed realloc() unless SQLITE_ENABLE_MEMORY_MANAGEMENT is available, meaning that the retry has some possibility of success. (check-in: e9a8f910 user: drh tags: trunk) | |
|
2020-05-07
| ||
| 19:55 | Fix a failing assert() in fts3 triggered by a corrupt database. (check-in: cb299a09 user: dan tags: trunk) | |
| 14:39 | Changes to avoid deadlock in SQLITE_ENABLE_SETLK_TIMEOUT builds. (check-in: 652e4b23 user: dan tags: trunk) | |
| 14:26 | Fix an error that could occur if the first transaction executed by a connection configured to use blocking locks is a write-transaction for which the WRITER lock cannot be obtained. (Closed-Leaf check-in: 49e4dc72 user: dan tags: setlk-deadlock-changes) | |
| 14:05 | Merge trunk changes into this branch. (check-in: ac4ee696 user: dan tags: setlk-deadlock-changes) | |
| 01:56 | Fix the handling of reserve-bytes so that the maximum value of 255 can be used. (check-in: 99749d4f user: drh tags: trunk) | |
|
2020-05-06
| ||
| 21:25 | Avoid leaking a file-handle in test file walsetlk.test. (check-in: 3cfc675e user: dan tags: setlk-deadlock-changes) | |
| 21:24 | Fix an assert() failure that could follow an IO error. (check-in: e89c8642 user: dan tags: setlk-deadlock-changes) | |
| 20:55 | Fix harmless compiler warnings. (check-in: 92dc5913 user: drh tags: setlk-deadlock-changes) | |
| 20:45 | Fix a problem preventing building without SQLITE_ENABLE_SETLK_TIMEOUT defined. (check-in: 98eb54c6 user: dan tags: setlk-deadlock-changes) | |
| 20:27 | Add error code SQLITE_BUSY_TIMEOUT, used internally by the OS layer to indicate that a call to xShmLock() has failed due to timeout of a blocking lock. (check-in: f3ef9c7c user: dan tags: setlk-deadlock-changes) | |
| 19:22 | Fix compiler warnings in non-SQLITE_ENABLE_SETLK_TIMEOUT builds. (check-in: 22de99ef user: dan tags: setlk-deadlock-changes) | |
| 19:14 | Block on the WRITER lock when attempting to run recovery. (check-in: 105d6c9b user: dan tags: setlk-deadlock-changes) | |
| 18:43 | Provide the SQLITE_DEFAULT_LEGACY_ALTER_TABLE compile-time option. (check-in: 63e659d9 user: drh tags: trunk) | |
| 17:18 | Add tests for running recovery when opening a write transaction or performing a checkpoint with blocking locks enabled. Fix some failing assert() statements. (check-in: d096ea3f user: dan tags: setlk-deadlock-changes) | |
| 15:07 | Merge latest trunk changes into this branch. (check-in: a3727dba user: dan tags: setlk-deadlock-changes) | |
|
2020-05-05
| ||
| 20:30 | Unless upgrading an existing read transaction, have ENABLE_SETLK_TIMEOUT builds attempt to use a blocking lock when opening a write transaction on a wal mode database. (check-in: d6f819a9 user: dan tags: setlk-deadlock-changes) | |
| 19:54 | The only known path to a corruption detection branch was cut off by the previous commit implementing earlier index corruption. So make the branch NEVER. Maybe a fuzzer will find a new path. (check-in: 9a84d8eb user: drh tags: trunk) | |
| 18:42 | Earlier detection of index corruption caused by missing index entries. (check-in: f339f31f user: drh tags: trunk) | |
| 13:41 | Fix a compiler warning in cksumvfs.c. (check-in: 68033bca user: drh tags: trunk) | |
|
2020-05-04
| ||
| 19:52 | Fix harmless compiler warnings. (check-in: 8eee591d user: drh tags: trunk) | |
| 19:42 | Changes to avoid deadlock in SQLITE_ENABLE_SETLK_TIMEOUT builds. (check-in: 553423c2 user: dan tags: setlk-deadlock-changes) | |
| 19:04 | Minor change to the sqlite_stmt virtual table, for test coverage. (check-in: 838987b2 user: drh tags: trunk) | |
| 17:15 | Simplify the initialization of built-in extensions. (check-in: 729f2397 user: drh tags: trunk) | |
| 11:47 | Ensure that the master-journal name is in a form suitable to be passed into sqlite3_uri_parameter(). (check-in: d1ba026d user: drh tags: trunk) | |
|
2020-05-02
| ||
| 04:08 | Add the SQLITE_FCNTL_CKPT_START file-control and use it to optimize the cksumvfs extension. (check-in: efdecb13 user: drh tags: trunk) | |
| 03:46 | Add support for PRAGMA analyze_limit and approximate analysis. (check-in: 81254752 user: drh tags: trunk) | |
| 03:29 | Add a missing VdbeCoverage() macro. (Closed-Leaf check-in: 77a55c39 user: drh tags: approximate-analyze) | |
| 00:31 | Merge the bytecode and tables_used table-valued functions. Requires -DSQLITE_ENABLE_BYTECODE_VTAB at compile-time. (check-in: d09bcce3 user: drh tags: trunk) | |
| 00:01 | Corner-case changes to the bytecode virtual table for testability and correctness. (Closed-Leaf check-in: baa720e4 user: drh tags: bytecode-function) | |
|
2020-05-01
| ||
| 18:58 | Merge recent enhancements from trunk. (check-in: 96dfc71e user: drh tags: bytecode-function) | |
| 18:43 | Fix problems with UPDATE...FROM statements that modify rowid or primary-key values. (check-in: 623ab585 user: dan tags: update-from) | |
| 18:37 | Add the SQLITE_FCNTL_CKPT_START file-control. Use it to optimize the cksumvfs extension. (Closed-Leaf check-in: b40f5aa3 user: drh tags: ckpt-start-fcntl) | |
| 15:04 | Merge recent trunk enhancements. (check-in: 2100b2c8 user: drh tags: approximate-analyze) | |
| 13:45 | Clarification to the sqlite3_uri() family of interfaces. Documentation enhancement only - no changes to code. (check-in: 853703cd user: drh tags: trunk) | |
| 13:32 | Update documentation for sqlite3_close_v2() for clarity. No functional changes. (check-in: 80498b69 user: drh tags: trunk) | |
| 11:31 | Add the new SQLITE_IOERR_DATA result code and use it in cksumvfs. Also enhance cksumvfs to emit an sqlite3_log() message whenever it finds an invalid checksum. (check-in: a094e8bf user: drh tags: trunk) | |
|
2020-04-30
| ||
| 18:28 | Add OOM tests for the new code on this branch. (check-in: e4a18601 user: dan tags: update-from) | |
| 15:49 | Report an error if an UPDATE...FROM statement has an ORDER BY but no LIMIT clause. Add tests for multi-column primary keys. (check-in: ffcdb668 user: dan tags: update-from) | |
|
2020-04-29
| ||
| 20:11 | Fix problems with using LIMIT and FROM clauses as part of single UPDATE statement. (check-in: b717dc3c user: dan tags: update-from) | |
| 17:41 | Fix various bugs in new feature on this branch. (check-in: 823ba94e user: dan tags: update-from) | |
| 01:09 | Do not allow page_size changes on an active cksumvfs database. (check-in: 2c17cdce user: drh tags: trunk) | |
|
2020-04-28
| ||
| 23:09 | Fix incorrect error message when something goes wrong with the sqlite3_dbpage() table-valued function in the .dbinfo command of the CLI. (check-in: 0dcf0024 user: drh tags: trunk) | |
| 20:47 | Add the cksumvfs extension. (check-in: 237c10f9 user: drh tags: trunk) | |
| 14:01 | Use AtomicStore() when setting the mem0.nearlyFull boolean to avoid harmless TSAN warnings and to forestall doubts about threadsafety. (check-in: ce980af6 user: drh tags: trunk) | |
| 11:45 | Use an AtomicLoad() macro in sqlite3HeapNearlyFull(). (check-in: 7556bc63 user: drh tags: trunk) | |
|
2020-04-27
| ||
| 20:55 | Allow a FROM clause in UPDATE statements. (check-in: f353a1a6 user: dan tags: update-from) | |
|
2020-04-26
| ||
| 22:04 | Yet another attempt to enhance sqlite3_load_extension() so that it works with Window-style pathnames using a backslash separator character. (check-in: b73d9a7d user: drh tags: trunk) | |
| 14:33 | Fix an issue with check-in [bc3bf7c6681a96bc] when compiling on Windows. (check-in: 57b16d8c user: drh tags: trunk) | |
|
2020-04-25
| ||
| 21:05 | Fix the sqlite3_load_extension() interface so that it tolerates backslashes in place of forward-slashes in pathnames on Windows. (check-in: bc3bf7c6 user: drh tags: trunk) | |
| 15:01 | Ensure affinity is not discarded from a view column if the view appears on the rhs of a LEFT JOIN. Fix for [45f4bf4e]. (check-in: ac31edd3 user: dan tags: trunk) | |
|
2020-04-24
| ||
| 18:20 | The new sqlite3_database_file_object() interface requires that the pager never invoke xOpen with SQLITE_OPEN_MAIN_JOURNAL unless it is using a pointer to the journal name found in the Pager structure itself. Make this the case when processing a master-journal. (check-in: b4987a5c user: drh tags: trunk) | |
| 17:55 | New test case for ticket [1dcb4d44964846ad]. (check-in: 9e9f1e96 user: drh tags: trunk) | |
|
2020-04-23
| ||
| 20:45 | Fix an uninitialized variable in the newly enhanced ".output" command of the CLI. See forum post 5978955ac1 (check-in: 65c6c26b user: drh tags: trunk) | |
|
2020-04-22
| ||
| 13:49 | Fix an off-by-one error in the "calculated" page count output from the sqlite3_analyzer utility for databases that are more than 1GB in size. (check-in: 8789368b user: drh tags: trunk) | |
| 11:11 | Fix an integer overflow in fts3 causing a usan error. (check-in: e256f852 user: dan tags: trunk) | |
| 00:50 | Clarify the comment on the sqlite3BtreeGetRequestedReserve() routine. No changes to code. (check-in: 52a6acca user: drh tags: trunk) | |
|
2020-04-21
| ||
| 20:19 | Add the sqlite3_database_file_object() interface. (check-in: f534ebea user: drh tags: trunk) | |
| 19:27 | Add the sqlite3_database_file_object() interface to sqlite3ext.h. (Closed-Leaf check-in: 3cabe06b user: drh tags: sqlite3_database_file_object) | |
| 01:06 | Experimental API: sqlite3_database_file_object(). (check-in: ae697b15 user: drh tags: sqlite3_database_file_object) | |
|
2020-04-20
| ||
| 17:35 | Do not use O_NOFOLLOW when opening a directory just to call fsync() on that directory. (check-in: 2fc80ef1 user: drh tags: trunk) | |
| 16:21 | Enhance the ".filectrl" command in the CLI to support the --schema option. (check-in: 698d40db user: drh tags: trunk) | |
| 15:18 | The SQLITE_TESTCTRL_RESERVE operator is removed. In its place is the more general SQLITE_FCNTL_RESERVE_BYTES which is an API and which can operator on more than just the main schema. (check-in: abc1aad7 user: drh tags: trunk) | |
| 14:05 | Remove an obsolete comment. No changes to code. (check-in: 4135cb02 user: drh tags: trunk) | |
|
2020-04-18
| ||
| 14:12 | Add the --bom option to the ".excel", ".once", and ".output" commands of the CLI. Also fix the "--all" option on ".help" so that it works with two dashes in addition to just one. (check-in: d5b0def9 user: drh tags: trunk) | |
|
2020-04-17
| ||
| 23:46 | Fix the ".excel" command and the ".open -x" and ".open -e" command so that they work better when running from an in-memory database and on Windows and when running from a script. (check-in: 07752164 user: drh tags: trunk) | |
|
2020-04-16
| ||
| 15:56 | Merge accidentally created fork. (check-in: cb772b7a user: dan tags: trunk) | |
| 11:35 | Improve corruption detection in fts3 shadow tables earlier in order to prevent an assert() from failing. (check-in: a9ec8c8f user: dan tags: trunk) | |
|
2020-04-15
| ||
| 17:39 | Clarification of the byte-order determination for UTF16 inputs to routines like sqlite3_bind_text16() and sqlite3_result_text16() and others that accept UTF16 input strings. (check-in: a42fdcf5 user: drh tags: trunk) | |
|
2020-04-14
| ||
| 15:53 | Build the UINT collating sequence extension into the CLI. (check-in: 2b8c6b03 user: drh tags: trunk) | |
| 15:48 | Add the UINT collating sequence extension. The implementation is copied out of the "natsort" branch. (check-in: 6f46c6e3 user: drh tags: trunk) | |
| 15:35 | Change the name from NATSORT to UINT. Provide an OMIT compile-time option. (Leaf check-in: cc56cbdb user: drh tags: natsort) | |
| 15:24 | Merge trunk enhancements. (check-in: f1c284dd user: drh tags: natsort) | |
|
2020-04-09
| ||
| 19:00 | Merge recent trunk changes into begin-concurrent-pnu-wal2. (check-in: 6c11b67b user: drh tags: begin-concurrent-pnu-wal2) | |
| 18:51 | Merge recent trunk changes into the apple-osx branch. (Leaf check-in: d6fda470 user: drh tags: apple-osx) | |
| 18:46 | Merge recent trunk enhancements into the wal2 branch. (check-in: 6fb87062 user: drh tags: wal2) | |
| 18:44 | Merge recent trunk enhancements into the begin-concurrent-pnu branch. (check-in: cedd138c user: drh tags: begin-concurrent-pnu) | |
| 18:29 | Merge recent trunk enhancements into the begin-concurrent branch. (check-in: 92f71a88 user: drh tags: begin-concurrent) | |
| 15:31 | When compiling the shell for WinRT, avoid using Win32 APIs that are unavailable. (check-in: 85d3dc8c user: mistachkin tags: trunk) | |
| 15:07 | Merge recent trunk enhancements into the bytecode-function branch. (check-in: 7e6576ec user: drh tags: bytecode-function) | |
| 15:01 | Merge trunk enhancements into the approximate-analyze branch. (check-in: 17901ea6 user: drh tags: approximate-analyze) | |
|
2020-04-07
| ||
| 15:07 | Limit LIKE/GLOB pattern length to 100 bytes (default is 50K) when running dbsql cases in the fuzzcheck utility. (check-in: 10306118 user: drh tags: trunk) | |
| 13:08 | Add the --spinner option to the fuzzcheck test program. (check-in: b1eae268 user: drh tags: trunk) | |
| 01:18 | The ALTER TABLE fix of check-in [7e5ad8e0ab7ee91a] is no longer needed due to the changes at check-in [4cf8721f5ceb1fda]. But, we keep the defense in place as an assert() for extra safety. (check-in: 230556e8 user: drh tags: trunk) | |
| 00:54 | Remove dead code that was added during initial development of RENAME COLUMN but never actually served a purpose. (check-in: c95c4cda user: drh tags: trunk) | |
|
2020-04-06
| ||
| 20:35 | Performance improvement in sqlite3ResolveExprNameList(). (check-in: 7e170e67 user: drh tags: trunk) | |
| 18:16 | Performance improvement for column name lookup. (check-in: 1e4b6a93 user: drh tags: trunk) | |
| 16:37 | When running ALTER TABLE, avoid adding some internally generated tokens to the token map to improve performance on schemas with nested views. (check-in: 4cf8721f user: dan tags: trunk) | |
|
2020-04-04
| ||
| 11:58 | Remove a NEVER() that could be true in sqlite3MatchEName(). (check-in: 921448f0 user: drh tags: trunk) | |
| 00:15 | In the push-down optimization, do not substitute columns that have previously been identified as being constant by the propagate-constants optimization. Fix for ticket [51166be0159fd2ce] (check-in: 70c44811 user: drh tags: trunk) | |
|
2020-04-03
| ||
| 19:37 | Avoid factoring out constant expressions on the LHS of an IN(...) operator, as the IN(...) operation may affect the affinity of these values. Fix for [fd1bda016d1]. (check-in: 98d56b4a user: dan tags: trunk) | |
| 16:11 | Add a test case to fuzzdata8.db for the recent Henry Liu bugs. (check-in: 42b02454 user: drh tags: trunk) | |
| 15:48 | Merge updates from trunk. (check-in: 348c4013 user: drh tags: bytecode-function) | |
| 13:19 | In the event of a semantic error in an aggregate query, early-out the resetAccumulator() function to prevent problems due to incomplete or incorrect initialization of the AggInfo object. Fix for ticket [af4556bb5c285c08]. (check-in: 4a302b42 user: drh tags: trunk) | |
| 11:52 | Do not suppress errors when resolving references in an ORDER BY clause belonging to a compound SELECT within a view or trigger within ALTER TABLE. Fix for ticket [a10a14e9b4ba2]. (check-in: 68429388 user: dan tags: trunk) | |
| 11:20 | Fix a case when a pointer might be used after being freed in the ALTER TABLE code. Fix for [4722bdab08cb1]. (check-in: d09f8c36 user: dan tags: trunk) | |
|
2020-04-02
| ||
| 19:58 | Fix a minor problem with EXPLAIN QUERY PLAN for triggers. (check-in: 6e11c03f user: drh tags: bytecode-function) | |
| 17:21 | Minor changes for better test coverage. (check-in: ae3ac297 user: drh tags: bytecode-function) | |
| 13:21 | Fix an obsolete comment in the parameter binding logic of the CLI. No changes to code. (check-in: c9c735e2 user: drh tags: trunk) | |
| 13:08 | Fix another harmless compiler warning. (check-in: 949eec25 user: drh tags: bytecode-function) | |
| 12:53 | Add a missing #ifdef to avoid a harmless compiler warning. (check-in: cc54de35 user: drh tags: bytecode-function) | |
| 12:24 | Merge enhancements from trunk. (check-in: d1731385 user: drh tags: bytecode-function) | |
|
2020-04-01
| ||
| 17:10 | Add support for the "ANALYZE WITH LIMIT=N" syntax. (Leaf check-in: 7e666b60 user: drh tags: analyze-with-limit) | |
| 01:15 | Simple fixes to PRAGMA analysis_limit. (check-in: c20d4fde user: drh tags: approximate-analyze) | |
|
2020-03-31
| ||
| 20:57 | Add "PRAGMA analysis_limit=N;" to limit the number of rows visited by ANALYZE when N is positive. Positive N also disables collecting stat4. (check-in: a279b151 user: drh tags: approximate-analyze) | |
| 18:41 | Merge recent enhancements from trunk. (check-in: c705ce26 user: drh tags: approximate-analyze) | |
|
2020-03-30
| ||
| 19:38 | Minor bug fix in NATSORT collating function. (check-in: a61be109 user: drh tags: natsort) | |
| 15:39 | Add the NATSORT collating sequence. No test cases yet. (check-in: 79fcaa8e user: drh tags: natsort) | |
| 13:35 | Use __atomic_load_n() and __atomic_store_n() for a few more things where they are available. (check-in: a49f8ec5 user: dan tags: trunk) | |
| 11:17 | Fix "GCC_VESRION" typo in wal.c. (check-in: fbd93787 user: dan tags: trunk) | |
|
2020-03-28
| ||
| 19:02 | Enhancements to the SQLITE_ENABLE_SETLK_TIMEOUT compile-time option to avoid rare deadlocks on recovery. (check-in: 06885e9a user: drh tags: trunk) | |
| 12:01 | MSVC does not allow constant expressions as initializers for constants with /fp:strict. (check-in: 076658e5 user: drh tags: trunk) | |
|
2020-03-27
| ||
| 17:23 | Modifications to the way blocking locks are used in SQLITE_ENABLE_SETLK_TIMEOUT builds so that multiple processes or threads may not deadlock when operating on a single database. (Closed-Leaf check-in: c516027d user: dan tags: setlk-deadlock-fix) | |
|
2020-03-26
| ||
| 16:48 | Add the tables_used() table-valued function as a variation on bytecode(). (check-in: 6283c677 user: drh tags: bytecode-function) | |
| 15:28 | Merge updates from trunk. (check-in: d7db0910 user: drh tags: bytecode-function) | |
| 00:29 | Reinstate the optimization that converts "x IN (y)" into "x==y". (check-in: 27936e68 user: drh tags: trunk) | |
|
2020-03-25
| ||
| 20:31 | For the LIKE pattern in the .dump command of the CLI, accept backslash as an escape character. (check-in: 029ceea6 user: drh tags: trunk) | |
| 12:50 | Enhance the ".dump" command in the CLI so that it accepts multiple LIKE pattern arguments and shows the union of all matching tables. (check-in: 45fba3d7 user: drh tags: trunk) | |
|
2020-03-24
| ||
| 18:41 | Optimize the "subprog IS NULL" constraint. (check-in: ca8c5f02 user: drh tags: bytecode-function) | |
| 17:52 | Fix a memory leak. (check-in: c9f3405e user: drh tags: bytecode-function) | |
| 13:27 | Provide content for the bytecode.subprog column. (check-in: df893364 user: drh tags: bytecode-function) | |
|
2020-03-23
| ||
| 23:17 | Fix the build so that it works even without SQLITE_ENABLE_EXPLAIN_COMMENTS. (check-in: 5896cbf4 user: drh tags: bytecode-function) | |
| 20:58 | The bytecode() function now runs and sometimes works, but it untested and there are known problems. (check-in: 6819b86e user: drh tags: bytecode-function) | |
| 19:14 | Further simplification and modularization of the EXPLAIN logic. (check-in: aee1c12f user: drh tags: bytecode-function) | |
| 17:24 | Begin breaking appear the sqlite3VdbeList() routine into subroutines that can be reused by the bytecode() table. (check-in: 2c4dd79f user: drh tags: bytecode-function) | |
| 15:49 | Infrastructure for the bytecode() table-valued function. The function itself is not yet implemented. (check-in: 2795f0d6 user: drh tags: bytecode-function) | |
|
2020-03-21
| ||
| 23:10 | Fix to the recomputation of the colUsed field added by check-in [a9bb71ba708ba722]. This fixes ticket [5829597ac43811e3]. (check-in: 5d14a1c4 user: drh tags: trunk) | |
| 22:03 | Enhance the treeview system to show the SrcList_item.colUsed field for FROM clause elements. (check-in: 8a5c539b user: drh tags: trunk) | |
| 20:58 | Simplify some of the code modified by the previous commit. (check-in: 04abadb5 user: dan tags: trunk) | |
| 15:41 | Ensure that "main" can always be used to refer to the main database, even if it has been renamed using SQLITE_DBCONFIG_MAINDBNAME. (check-in: 682b426f user: dan tags: trunk) | |
| 15:10 | Consolidate some code on this branch. (Closed-Leaf check-in: a85c63da user: dan tags: main-alias-fix) | |
| 15:07 | Change a bitfield in sqlite3_stmt into an unsigned character, for slightly smaller code and better performance. (check-in: 0d4d3c64 user: drh tags: trunk) | |
| 14:22 | Performance optimization in sqlite3VdbeMakeReady(). (check-in: aa92f9b9 user: drh tags: trunk) | |
| 14:05 | Merge updates from trunk. (Leaf check-in: 2383aa2c user: drh tags: explain-improvements) | |
| 03:40 | Back out the sqlite3_stmt_mode() and EXPLAIN TABLES enhancements, but keep the other miscellaneous improvements to EXPLAIN that were implemented while adding the above: Turn magic numbers into symbolic constants. Add the sqlite3MemPrint() interface accessible to the debugger. Improve the performance and reduce the code size. (check-in: 62aece66 user: drh tags: explain-improvements) | |
| 00:05 | Recompute the set of columns used for each table when the table is involved in query flattening. (check-in: a9bb71ba user: drh tags: trunk) | |
|
2020-03-20
| ||
| 20:54 | Allow "main" to be used to refer to the main database even after SQLITE_DBCONFIG_MAINDBNAME has been used to assign another alias. (check-in: 75c85ca3 user: dan tags: main-alias-fix) | |
| 20:18 | Avoid an undefined integer overflow in fts3 by detecting data structure corruption earlier. (check-in: 86e98ddc user: dan tags: trunk) | |
| 20:00 | Add the EXPLAIN TABLES syntax that uses SQLITE_STMTMODE_TABLELIST. Seems to work, but not well-tested. (Leaf check-in: e7343ce7 user: drh tags: sqlite3_stmt_mode) | |
| 17:49 | Further simplification of the EXPLAIN logic. Fix the test errors from the previous check-in. (check-in: 5eaba9af user: drh tags: sqlite3_stmt_mode) | |
| 16:13 | Revamp the EXPLAIN infrastructure to facilitate sqlite3_stmt_mode(). The currently code mostly works, but there are test failures. This is an incremental check-in. (check-in: e9e17e21 user: drh tags: sqlite3_stmt_mode) | |
|
2020-03-19
| ||
| 21:17 | Initial code for a proposed new sqlite3_stmt_mode() API. This is an incomplete snapshot of a work-in-progress. (check-in: 3cf7537b user: drh tags: sqlite3_stmt_mode) | |
| 18:13 | Change the ESCAPE clause on the LIKE operator to override wildcard characters, in order to match the behavior of PosgreSQL. (check-in: 11e0844f user: drh tags: trunk) | |
| 17:27 | Fix an integer overflow problem with the dbstat virtual table that comes up when trying to analyze a corrupt database. (check-in: 1d64f4a8 user: drh tags: trunk) | |
| 15:57 | Fix a typo in a comment. No changes to code. (check-in: 3a51919a user: drh tags: trunk) | |
|
2020-03-18
| ||
| 15:58 | Fix the build for when SQLITE_ENABLE_STAT4 is defined. (check-in: 8f0a8c2a user: drh tags: approximate-analyze) | |
| 14:43 | Add the SQLITE_ANALYZE_LIMIT compile-time option (expected to be temporary) that sets a threshold at which ANALYZE starts to use approximations during the analysis process. (check-in: a773fd46 user: drh tags: approximate-analyze) | |
|
2020-03-17
| ||
| 17:11 | Provide an estimated row count to stat_init() for STAT1 analysis. (check-in: 714419fe user: drh tags: approximate-analyze) | |
| 13:41 | Remove the SQLITE_OMIT_BTREECOUNT option. Btree count is required. (check-in: a9bfa47a user: drh tags: approximate-analyze) | |
| 13:07 | Improved bytecode comments for the ANALYZE command. (check-in: c38ea413 user: drh tags: approximate-analyze) | |
| 12:37 | Merge changes from trunk. (check-in: 93d71026 user: drh tags: approximate-analyze) | |
|
2020-03-16
| ||
| 18:52 | Fix handling of window functions in aggregate queries that have no GROUP BY clause. Also remove a faulty assert causing the error reported in [618156e3]. (check-in: 38e3dd38 user: dan tags: trunk) | |
| 03:07 | At the end of the right-hand table loop of a LEFT JOIN that uses an IN operator in the ON clause, put the OP_IfNoHope operator after the OP_IfNotOpen operator, not before, to avoid a (harmless) uninitialized register reference. Ticket [82b588d342d515d1] (check-in: 8b437b47 user: drh tags: trunk) | |
|
2020-03-13
| ||
| 07:28 | Merge SQLITE_NOOP_UPDATE fix into this branch. (check-in: e2cc655e user: dan tags: begin-concurrent-report) | |
| 07:23 | Fix a typo causing SQLITE_NOOP_UPDATE builds to fail. (check-in: 1e2109fd user: dan tags: begin-concurrent-pnu) | |
|
2020-03-12
| ||
| 19:37 | Add link from begin_concurrent_report.md back to branch timeline. (check-in: 61869f8b user: dan tags: begin-concurrent-report) | |
| 17:54 | Remove stray comment characters at the end of an #ifdef that were accidently left in the previous check-in. (check-in: ea914bec user: drh tags: trunk) | |
| 17:28 | Fix comments and strengthen assert() statements associated with the OPFLAG_SEEKEQ and BTREE_SEEK_EQ flags. (check-in: 23174921 user: drh tags: trunk) | |
|
2020-03-11
| ||
| 20:03 | Merge enhancements from trunk. (check-in: 4945a662 user: drh tags: approximate-analyze) | |
| 19:56 | Do not factor out constant functions into the initialization section of a prepared statement, because even though they are constant, they can still throw exceptions. Instead, put such functions in an OP_Once block. This fixes ticket [3c9eadd2a6ba0aa5] and causes COALESCE() and CASE...END to be short-circuit. (check-in: c5f96a08 user: drh tags: trunk) | |
| 19:41 | Rename sqlite3ExprCodeAtInit() to sqlite3ExprCodeRunJustOnce(). Other changes to make the new code cleaner. Test cases added. (Closed-Leaf check-in: d7f18489 user: drh tags: do-not-factor-functions) | |
| 19:30 | Add documentation notes and fix outstanding issues on this branch. (check-in: b288bbd1 user: dan tags: begin-concurrent-report) | |
| 17:58 | Do not factor out constant functions into the initialization section at the end of the prepared statement, be cause if they throw an exception, it will abort the statement even if the function is never called. Better to put constant functions in an OP_Once block. (check-in: 97a18a5c user: drh tags: do-not-factor-functions) | |
| 16:46 | Support reporting of blob fields. (check-in: 724a4a84 user: dan tags: begin-concurrent-report) | |
| 02:04 | This variant to the fix for ticket [e0c2ad1aa8a9c691] uses fewer CPU cycles. (check-in: fb5a8a9e user: drh tags: trunk) | |
|
2020-03-10
| ||
| 22:55 | Merge updates from trunk. (check-in: e05f743f user: drh tags: approximate-analyze) | |
| 21:14 | Fix test and other problems with reporting pages read and written. (check-in: 9ae970fd user: dan tags: begin-concurrent-report) | |
| 19:55 | Fix problem in test script concreport.test. (check-in: 32d1b721 user: dan tags: begin-concurrent-report) | |
| 19:24 | Enhanced detection logic for preventing the use of static schema expressions by code generating routines. (check-in: 5f60b527 user: drh tags: trunk) | |
| 18:55 | Further changes to ensure that expressions held in table and index definitions do not get passed down into code generator logic where they might be modified. (check-in: f45f5de0 user: drh tags: trunk) | |
| 13:35 | Make a copy of the expression that defines a value of a generated column before sending it to the code generator routines. (check-in: 03d201c0 user: drh tags: trunk) | |
| 11:50 | Apply the correct affinity transformations when pulling values off of the sorter index used for GROUP BY. Ticket [e0c2ad1aa8a9c691] (check-in: 101f7dea user: drh tags: trunk) | |
| 02:57 | The sqlite3ExprCodeFactorable() routine should make a copy of non-factorable expressions, as they might be coming from a DEFAULT or generated column in a table constraint. (check-in: a2d6f108 user: drh tags: trunk) | |
| 01:24 | Background work for experiments trying to enhance ANALYZE so that it runs off of samples of the entire index and does not need to read the entire index. (check-in: 29d1cc5c user: drh tags: approximate-analyze) | |
|
2020-03-09
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| 21:00 | Report on pages, as well as keys, read and written by BEGIN CONCURRENT transactions. (check-in: b661ccc8 user: dan tags: begin-concurrent-report) | |
| 18:26 | Cleaner separation of the STAT4-specific logic in the implementation of ANALYZE. (check-in: 3df07e5a user: drh tags: trunk) | |
| 15:39 | Enhancements to the ".import" command of the CLI. (check-in: cab1834c user: drh tags: trunk) | |
| 03:21 | Fix typos in RowSet. (check-in: 86465c08 user: pdr tags: trunk) | |
| 01:02 | Fix typos in the Lemon documentation. (check-in: 35f1f151 user: drh tags: trunk) | |
|
2020-03-08
| ||
| 13:33 | Avoid a redundant NULL check (check-in: 25dc53f6 user: pdr tags: trunk) | |
|
2020-03-07
| ||
| 16:51 | Fix reporting cases related to UPDATE. And of WITHOUT ROWID tables. (check-in: d28d1739 user: dan tags: begin-concurrent-report) | |
|
2020-03-06
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| 20:51 | Enhancement to log logical writes as well as reads. (check-in: 1c1f180e user: dan tags: begin-concurrent-report) | |
|
2020-03-05
| ||
| 20:59 | Fix reporting for indexed range scans that extend past the end of the data. (check-in: ab458a31 user: dan tags: begin-concurrent-report) | |
| 19:00 | Merge trunk change [895bd20b29] into this branch. (Actually check-in date was 2020-05-18) (check-in: 507f972e user: dan tags: reuse-schema) | |
| 18:04 | Report an error if the main, or any other, database encoding is modified by an external process (perhaps using the backup API) after the db has been opened. (check-in: 895bd20b user: dan tags: trunk) | |
| 16:30 | Merge trunk enhancements into the reuse-schema branch. (Actual check-in date is 2020-05-18) (check-in: 9d068e1e user: drh tags: reuse-schema) | |
| 16:13 | Change the sqlite3.pDfltColl (the default collating sequence for the database connection) so that it is the collating sequence appropriate for the database encoding, not the UTF8 collating sequence. This helps to ensure that the database encoding collation is always used, even for expressions that do not have an defined collating sequence. Ticket [1b8d7264567eb6fc]. (check-in: 4a585189 user: drh tags: trunk) | |
| 14:19 | When printing the OP_CollSeq opcode for EXPLAIN listings, include the text encoding with the name of the collating sequence. (check-in: eb5c1b77 user: drh tags: trunk) | |
|
2020-03-04
| ||
| 19:17 | Fix cases to do with index scans. (check-in: 6ec5a899 user: dan tags: begin-concurrent-report) | |
|
2020-03-03
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| 21:01 | Extend begin_concurrent_report() so that it reports on accesses to non-intkey tables as well. (check-in: 427e2c9d user: dan tags: begin-concurrent-report) | |
| 20:48 | Fix a false-positive in the debugging logic that attempts to detect the use of uninitialized registers inside triggers. Ticket [c4c56482ced89d90] (check-in: 0463576b user: drh tags: trunk) | |
| 20:04 | Remove an invalid assert() on the debugging logic that checks to ensure that register values are not used after they go stale. Ticket [d165ad781b39d574]. (check-in: bd94d7d0 user: drh tags: trunk) | |
| 01:16 | Improved detection of corruption in the interior nodes of a segment btree in FTS3/4. (check-in: cc99447a user: drh tags: trunk) | |
|
2020-03-02
| ||
| 21:00 | Fix reporting for some range scan cases. (check-in: ad961aee user: dan tags: begin-concurrent-report) | |
| 16:31 | Enhance the fuzzcheck test program so that it is able to simulate OOM errors in the same way that dbsqlfuzz does. (check-in: a65c8d4e user: drh tags: trunk) | |
| 15:05 | Merge latest begin-concurrent-pnu changes with this branch. (check-in: b1880b18 user: dan tags: begin-concurrent-report) | |
| 01:50 | Fix a faulty assert() statement in the stale-register detection logic. Ticket [da5a09be6dabbf42]. (check-in: 219c296c user: drh tags: trunk) | |
| 01:16 | Ensure that the NULL-scan pass counter is initialized when a ORDER BY NULLS LAST is used on the right table of a LEFT JOIN. Ticket [e12a0ae526bb51c7]. (check-in: 704bb9a3 user: drh tags: trunk) | |
|
2020-02-29
| ||
| 17:19 | Fix a problem with window functions occuring within sub-selects that are part of an OR term in a WHERE clause of the outer SELECT. (check-in: 1e174ed0 user: dan tags: trunk) | |
| 15:53 | In the CLI, add the ".oom" command for debugging builds. (check-in: 9c3136a7 user: drh tags: trunk) | |
|
2020-02-28
| ||
| 16:04 | The RTREE extension behaves as if data columns have type REAL, so we should actually declare them as REAL so that automatic indexes handle them correctly. Ticket [e63b4d1a65546532] (check-in: 85a9b6a9 user: drh tags: trunk) | |
|
2020-02-27
| ||
| 17:16 | In sqlite3changeset_apply(), ensure that DELETE and UPDATE changes are always executed on main database tables, not similarly named temp tables, as documented. INSERT statements are already being handled correctly. (check-in: f71a13d0 user: dan tags: trunk) | |
| 16:21 | Fix harmless compiler warnings from MSVC. (check-in: 951b39ca user: drh tags: trunk) | |
| 15:20 | Merge latest trunk changes into this branch. (check-in: 3f5650aa user: dan tags: reuse-schema) | |
| 15:07 | Optimization for "SELECT min(x) FROM tbl" where "x" is indexed and NOT NULL. This also allows similar queries on NOT NULL virtual table columns to be optimized. (check-in: 59726777 user: dan tags: trunk) | |
| 13:54 | Extra zero terminators on the end of the blank filename returned by sqlite3PagerFilename() for an in-memory database. This helps the result work better with sqlite3_filename_journal() and similar functions. (check-in: 63e533d2 user: drh tags: trunk) | |
| 11:32 | Ensure that the filename passed into the xFullPathname method of the VFS is acceptable as an argument to sqlite3_uri_parameter(). The interface spec does not guarantee this, but it has been so historically and some applications have come to depends on it. (check-in: bfb09371 user: drh tags: trunk) | |
|
2020-02-25
| ||
| 20:05 | Update the fuzzcheck test module so that it avoids inserting text values that contain embedded NULs in the XSQL table. Fix some legacy entries in the test/fuzzdata8.db that had embedded NULs. Add in new dbsqlfuzz cases that have accumulated over on the dbsqlfuzz project for a while. (check-in: 47d4240c user: drh tags: trunk) | |
|
2020-02-24
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| 17:05 | If STAT4 determines that a WHERE clause term that is not used by an index has very high probability of being true, then do not use that term to reduce the estimated output row count. (check-in: 40739c79 user: drh tags: trunk) | |
| 16:46 | Rework this changes so that instead of setting the WhereTerm.truthProb when a term is seen to be of low selectivity, it merely sets a new flag (the TERM_HIGHTRUTH flag) which causes whereLoopOutputAdjust() to ignore that term. (Closed-Leaf check-in: 4558163b user: drh tags: stat4-truthprob) | |
| 13:35 | Disable the new analyzeG.test module if not building with STAT4. (check-in: 4a9d3005 user: drh tags: stat4-truthprob) | |
| 13:26 | Merge bugfix from trunk. (check-in: b542dee9 user: drh tags: stat4-truthprob) | |
|
2020-02-23
| ||
| 17:34 | Fix a problem with ALTER TABLE for views that have a nested FROM clause. Ticket [f50af3e8a565776b]. (check-in: c431b3fd user: drh tags: trunk) | |
|
2020-02-22
| ||
| 18:27 | Do not activate the truthProb adjustment mechanism if the truth probability is less than the heuristic value, as there could be correlations unknown to stat4. Also add additional tracing output to make truthProb adjustments more visible. (check-in: c535fea1 user: drh tags: stat4-truthprob) | |
| 17:32 | Add new test file analyzeG.test, containing a test for the change on this branch. (check-in: 243ab185 user: dan tags: stat4-truthprob) | |
| 16:58 | When stat4 information is available, try to use it to improve the truth probability of WHERE clause terms that do not participate in the index. (check-in: 1babd6ec user: drh tags: stat4-truthprob) | |
| 13:01 | In the OP_Column opcode, if the cursor is marked NullRow (due to being the right table of a LEFT JOIN that does not match) and the cursor is the table cursor for an OR-optimization with a covering index, then do not substitute the covering index cursor, since the covering index cursor does not have the NullRow flag set. Ticket [aa4378693018aa99] (check-in: f02030b3 user: drh tags: trunk) | |
|
2020-02-20
| ||
| 14:11 | Add test case for previous commit. (check-in: 14d14eb5 user: dan tags: trunk) | |
| 14:08 | Early-out on the INTERSECT query processing following an out-of-memory error. This fixes a potential null pointer dereference found by sakura(@eternalsakura13) of Alpha Team, Qihoo 360. (check-in: a67cf5b7 user: drh tags: trunk) | |
|
2020-02-19
| ||
| 15:39 | Fix a potential NULL pointer dereference following OOM. Problem discovered by dbsqlfuzz. Test case in TH3. (check-in: 5aeb5a2d user: drh tags: trunk) | |
|
2020-02-18
| ||
| 23:58 | Remove a NEVER() macro and add a test case to cause its argument to be true. (check-in: ee034fe9 user: drh tags: trunk) | |
| 19:49 | Add the new sqlite3_create_filename() and sqlite3_free_filename() interfaces for use by Shims. Use these interfaces inside the multiplexor. (check-in: 9469f36a user: drh tags: trunk) | |
|
2020-02-17
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| 23:08 | Convert invalid surrogates to 0xfffd when translating UTF. (check-in: 7fab1393 user: drh tags: trunk) | |
| 19:25 | A better (smaller and faster) solution to ticket [4374860b29383380]. (check-in: abc473fb user: drh tags: trunk) | |
| 00:12 | Take care when checking the table of a TK_COLUMN expression node to see if the table is a virtual table to first ensure that the Expr.y.pTab pointer is not null due to generated column optimizations. Ticket [4374860b29383380]. (check-in: 9d0d4ab9 user: drh tags: trunk) | |
|
2020-02-16
| ||
| 17:40 | Avoid an infinite recursion on an illegal recursive definition of an fts5vocab table. (check-in: 109ee074 user: drh tags: trunk) | |
|
2020-02-13
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| 22:12 | Fix problems in the constant propagation optimization that were introduced by check-in [1c3e5c20a9e6f501]. Fix for ticket [1dcb4d44964846ad] (check-in: c9a8defc user: drh tags: trunk) | |
| 14:51 | Disallow the skip-scan optimization in the absence of sqlite_stat1 data. (check-in: e0c6b8bd user: drh tags: trunk) | |
| 13:45 | Omit O_NOFOLLOW from the open() call when opening /dev/null, since /dev/null is a symlink on Solaris, we are told. (check-in: 0c683c43 user: drh tags: trunk) | |
| 11:46 | Fix an incorrect assert() statement that was added yesterday. Tickets [41c1456a6e61c0e7] and [fb8c538a8f57ae2a]. (check-in: abfb043e user: drh tags: trunk) | |
|
2020-02-12
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| 20:50 | Increase the default upper bound on the number of parameters in a single SQL statement to 32766 (from 999). (check-in: 2def7569 user: drh tags: trunk) | |
| 11:57 | When determining whether an == or IS constraint in a WHERE clause makes an ORDER BY term redundant, consider the collation sequence used by the == or IS comparison, not the collation sequence of the comparison expression itself. Possible fix for [fb8c538a8f]. (check-in: 16aed5d0 user: dan tags: trunk) | |
|
2020-02-10
| ||
| 19:37 | Fix a typo in the in-tree begin-concurrent documentation (check-in: b13dae1c user: drh tags: begin-concurrent) | |
| 19:24 | Mark the sha1() extension function as SQLITE_DETERMINISTIC. (check-in: 7d8dcfb9 user: drh tags: trunk) | |
| 13:29 | Fix the build for when SQLITE_VDBE_COVERAGE is used. (check-in: 08438164 user: drh tags: trunk) | |
|
2020-02-07
| ||
| 19:44 | During byte-code generation, strive to avoid jumps that merely jump to the following instruction. (check-in: bcf876e6 user: drh tags: trunk) | |
| 01:12 | Simplify the code by removing the unsupported and undocumented SQLITE_HAS_CODEC compile-time option (check-in: 5a877221 user: drh tags: trunk) | |
|
2020-02-06
| ||
| 20:46 | There is no need to keep track of the number of changed rows or of the last-insert-rowid while running VACUUM. (check-in: a8a7c05b user: drh tags: trunk) | |
| 15:38 | Unroll the comparison loop inside keywordCode() for to avoid unnecessary comparisions and thus help that routine run faster. (check-in: cec5f920 user: drh tags: trunk) | |
| 13:57 | Separate OP_IdxInsert and OP_SorterInsert into completely separate opcodes, helping each one to run a little faster. (check-in: 447d71f0 user: drh tags: trunk) | |
| 13:09 | Remove dead code from the sqlite3_filename_database() function. (check-in: 1b618555 user: drh tags: trunk) | |
| 10:55 | Fix some fts3 problems found by usan. (check-in: fb7ccf61 user: dan tags: trunk) | |
|
2020-02-05
| ||
| 18:28 | Small size reduction and performance improvement in the sqlite3VdbeMemFromBtree() interface used to pull content out of the b-tree and into an sqlite3_value object. (check-in: ae6dd8d3 user: drh tags: trunk) | |
|
2020-02-04
| ||
| 20:22 | Merge latest trunk/wal2 changes, including the SQLITE_ENABLE_CORRUPT_PGNO patch, with this branch. (check-in: 76668b55 user: dan tags: begin-concurrent-pnu-wal2) | |
| 20:11 | Merge latest trunk changes into this branch. (check-in: 6ad4d6b7 user: dan tags: wal2) | |
| 20:09 | Merge latest trunk changes, including the SQLITE_ENABLE_CORRUPT_PGNO patch, into this branch. (check-in: 23bc80cc user: dan tags: begin-concurrent-pnu) | |
| 20:08 | Merge latest trunk changes, including the SQLITE_ENABLE_CORRUPT_PGNO patch, into this branch. (check-in: f253618a user: dan tags: begin-concurrent) | |
| 20:01 | Enable more detailed log messages in SQLITE_ENABLE_CORRUPT_PGNO builds if database corruption is encountered. (check-in: 57c36a29 user: dan tags: trunk) | |
| 01:41 | Extend the OP_Copy-coalesce optimization fix of check-in [b36126c1889e323c] so that it is also correctly disabled by the CASE operator. Ticket [9d3666754ac37d5a]. (check-in: 29a969d6 user: drh tags: trunk) | |
| 00:55 | Fix a problem with the byte-code decompiler that was inserted by the enhancements at [4248980a356f659b] (check-in: af63e95d user: drh tags: trunk) | |
|
2020-02-03
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| 19:56 | Cosmetic change to the xfer-optimization to put the OP_RowData opcode closer to the corresponding OP_Insert opcode. This makes it slightly easier to read and understand the code. (check-in: 0ea2dbfc user: drh tags: trunk) | |
| 12:25 | Increase the version number to 3.32.0. (check-in: 8130bbb4 user: drh tags: trunk) | |
|
2020-02-01
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| 21:03 | On an INSERT or UPDATE, perform affinity conversions on new data prior to running CHECK constraints. Ticket [86ba67afafded936]. (check-in: 1d4f8620 user: drh tags: trunk) | |
| 17:38 | Fix the comment display for the OP_Function opcode. And at the same time, improve the comment generating logic to make use of the newer sqlite3_str_appendf() interface. (check-in: 4248980a user: drh tags: trunk) | |
| 14:20 | Merge the sqlite3CodecQueryParameters() fix into trunk. (check-in: a812f533 user: drh tags: trunk) | |
|
2020-01-31
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| 14:52 | Fix a minor typo in a comment in the btreeinfo extension. (check-in: b5a66d10 user: drh tags: trunk) | |