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65 events for the month beginning 2019-03-01 by user dan
Following month ↑|
2019-03-30
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| 17:07 | Add an extra IO-error test to windowfault.test. (check-in: 5b8c44cd user: dan tags: trunk) | |
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2019-03-29
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| 13:17 | Fix a fairly obscure problem causing the planner to sometimes choose sub-optimal plans for a query with a single virtual table in the FROM clause, and at least one IN(...) constraint in the WHERE clause. (check-in: f5752517 user: dan tags: trunk) | |
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2019-03-28
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| 16:15 | Prevent aliases of window functions expressions from being used as arguments to aggregate or other window functions. (check-in: 1e16d3e8 user: dan tags: trunk) | |
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2019-03-26
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| 19:14 | Remove a "puts" statement accidentally left in a test script. (check-in: 9f591ac0 user: dan tags: reuse-schema) | |
| 18:40 | Add a few extra tests for SQLITE_STATUS_SCHEMA_USED with shared-schema databases. (check-in: e399fede user: dan tags: reuse-schema) | |
| 16:47 | Fix a problem with window frames that use "BETWEEN <start> AND 0 PRECEDING". (check-in: 7927b6b0 user: dan tags: trunk) | |
| 13:08 | Add support for new window functions related features - GROUPS frames, RANGE frames with logical start and end points, the EXCLUDE clause and window chaining. (check-in: c6da3911 user: dan tags: trunk) | |
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2019-03-22
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| 13:56 | Fix a problem with a window function in a correlated sub-query where at least one reference to the outer SELECT appears in a FROM clause sub-select. (Closed-Leaf check-in: 9aca86f9 user: dan tags: window-functions) | |
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2019-03-21
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| 21:18 | Add an extra test for database corruption to defragmentPage(). (check-in: 80e951fc user: dan tags: trunk) | |
| 17:22 | Merge latest trunk changes with this branch. (check-in: 3196f5f4 user: dan tags: reuse-schema) | |
| 17:13 | Disable the feature on this branch in non-SQLITE_ENABLE_SHARED_SCHEMA builds. (check-in: b8e53608 user: dan tags: reuse-schema) | |
| 13:51 | Remove assert() statements based on the counter-factual proposition that 0 is not a valid cursor number. (check-in: c7b33618 user: dan tags: window-functions) | |
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2019-03-20
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| 20:02 | Use the IsReuseSchema() macro more consistently. Also, rename it to IsSharedSchema(). (check-in: c1be211c user: dan tags: reuse-schema) | |
| 19:17 | Fix an error message. (check-in: a70fdaa3 user: dan tags: reuse-schema) | |
| 16:58 | Fix a potential dangling pointer deference in an ALTER TABLE run on a schema that contains constructs of the form "PRIMARY KEY(column COLLATE collation)". (check-in: b9e2393c user: dan tags: trunk) | |
| 16:03 | Merge latest trunk changes into this branch. (check-in: 4cd20ca6 user: dan tags: reuse-schema) | |
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2019-03-19
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| 19:39 | Add further tests to window8.test. (check-in: ec7e224f user: dan tags: window-functions) | |
| 19:19 | Fix a problem with EXCLUDE clauses on window frames with no ORDER BY. (check-in: e0255063 user: dan tags: window-functions) | |
| 17:45 | Add tests to ensure that the window functions implementation is not generating code for unnecessary sorts. (check-in: e195948a user: dan tags: window-functions) | |
| 16:49 | Add missing VdbeCoverage() macros to new code in window.c. (check-in: 4f9b93e6 user: dan tags: window-functions) | |
| 11:56 | Revert the OP_MustBeInt opcode implementation on this branch so that it again matches trunk. The extra functionality is no longer required. (check-in: c02f77b1 user: dan tags: window-functions) | |
| 11:35 | Tweak the tool/cg_anno.tcl script so that it can run on systems without /usr/bin/tclsh. (check-in: a026189a user: dan tags: trunk) | |
| 11:17 | Update this branch with latest trunk changes. (check-in: 98cc2659 user: dan tags: window-functions) | |
| 06:40 | Ensure that all the new window-function keywords can still be used as SQL identifiers. (check-in: a6d61dfd user: dan tags: window-functions) | |
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2019-03-18
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| 21:19 | Add further tests for new window function functionality. (check-in: 1fbddf01 user: dan tags: window-functions) | |
| 18:55 | Always evaluate window functions using the alternative path usually only used by EXCLUDE frames if the SQLITE_QueryFlattener test flag is set. (check-in: 2879a691 user: dan tags: window-functions) | |
| 16:51 | Fixes for RANGE windows and NULL values. (check-in: 723c84be user: dan tags: window-functions) | |
| 15:49 | Fix a buffer overread that could occur when running fts5 prefix queries inside a transaction. (check-in: b3fa58dd user: dan tags: trunk) | |
| 15:23 | Fix an fts5 problem with interleaving reads and writes in a single transaction. (check-in: 45c73deb user: dan tags: trunk) | |
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2019-03-16
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| 20:29 | Fix problems with RANGE windows and string, blob and NULL values. (check-in: cebe09e1 user: dan tags: window-functions) | |
| 10:15 | In order to identify the first row of each partition, check if the rowid in the ephemeral table is 1 instead of using a dedicated flag register. (check-in: f2d5f7a2 user: dan tags: window-functions) | |
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2019-03-15
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| 20:46 | Implement the EXCLUDE clause for window frames. (check-in: 9b43c3ee user: dan tags: window-functions) | |
| 18:57 | Remove a debugging printf() left in test/sessionfuzz.c. (check-in: 73c4abc9 user: dan tags: trunk) | |
| 16:28 | • Closed ticket [596d059a]: Committing a transaction with a failed ALTER TABLE may subtly corrupt schema plus 4 other changes (artifact: ffd8a4ff user: dan) ... 2 similar events omitted. | |
| 16:17 | Ensure that ALTER TABLE commands open statement transactions. Fix for [596d059a]. (check-in: 0f2129f5 user: dan tags: trunk) | |
| 15:43 | • New ticket [596d059a] Committing a transaction with a failed ALTER TABLE may subtly corrupt schema. (artifact: 0acc8b25 user: dan) | |
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2019-03-14
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| 20:53 | Parse EXCLUDE clauses in window frames. They do not yet work. (check-in: d03c7533 user: dan tags: window-functions) | |
| 16:36 | Add things to this branch that will be required to support the EXCLUDE clause. (check-in: 7d66cd20 user: dan tags: window-functions) | |
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2019-03-13
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| 17:31 | Merge latest trunk changes into this branch. (check-in: 0b904517 user: dan tags: window-functions) | |
| 17:20 | Avoid allocating excessive registers for the PARTITION BY expressions when processing window functions. (check-in: 180be266 user: dan tags: window-functions) | |
| 15:29 | Remove rows from the ephemeral table used by window functions once they are no longer required. (check-in: 6ad55319 user: dan tags: window-functions) | |
| 11:40 | When deserializing a database (sqlite3_deserialize()), do not attempt to parse the schema before the data is loaded. (check-in: 4e1b005e user: dan tags: trunk) | |
| 08:28 | Minor optimization in sqlite3WindowCodeStep(). (check-in: b1322ffb user: dan tags: window-functions) | |
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2019-03-12
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| 18:28 | Allow real values to be used in PRECEDING and FOLLOWING expressions for RANGE window frames. (check-in: 25ff7091 user: dan tags: window-functions) | |
| 15:21 | Expand on header comment for sqlite3WindowCodeStep(). Further simplify the implementation of the same. (check-in: 5129bcc9 user: dan tags: window-functions) | |
| 09:49 | Fix a crash that could occur if the RHS of an IN expression is a correlated sub-query that refers to the outer query from within a window frame definition only. (check-in: 0524aaaf user: dan tags: trunk) | |
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2019-03-11
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| 19:50 | Remove "cache mode" from the window frame code generator. Handle the same cases by editing the window frame specification itself. (check-in: 08126353 user: dan tags: window-functions) | |
| 18:17 | Simplify the windows frame code some. Add a comment explaining some of the VM code generated by sqlite3WindowCodeStep(). (check-in: 6bd1a079 user: dan tags: window-functions) | |
| 11:12 | Fix problems with "RANGE ... ORDER BY <expr> DESC" window frames. (check-in: e7bced73 user: dan tags: window-functions) | |
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2019-03-09
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| 20:49 | Add support for RANGE window frames. Some cases still do not work. (check-in: ffc32b24 user: dan tags: window-functions) | |
| 07:38 | Merge latest trunk changes into this branch. (check-in: 53ea550c user: dan tags: window-functions) | |
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2019-03-08
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| 20:57 | Add simple tests for GROUPS window frames. (check-in: 2872702d user: dan tags: window-functions) | |
| 20:02 | Finish consolidation of window frame code. Add untested support for GROUPS frames. (check-in: 954bf369 user: dan tags: window-functions) | |
| 13:27 | Fix another segfault in fts3 that could occur with corrupt records. (check-in: fcc24edd user: dan tags: trunk) | |
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2019-03-07
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| 20:47 | Fix other "ROWS BETWEEN" cases on this branch. (check-in: a5f68f66 user: dan tags: window-functions) | |
| 19:26 | Modify new window functions function so that cursors are stepped immediately after each operation, instead of immediately before. (check-in: 093d2b25 user: dan tags: window-functions) | |
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2019-03-06
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| 21:04 | Simplify the window function code generator some more. (check-in: 45cbd3b4 user: dan tags: window-functions) | |
| 17:12 | Improvements to the way built-in window functions are handled. (check-in: e8eee566 user: dan tags: window-functions) | |
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2019-03-05
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| 19:29 | Extend windowCodeStep() to handle any ROWS PRECEDING/FOLLOWING frame specification. (check-in: af0ea136 user: dan tags: window-functions) | |
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2019-03-04
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| 21:08 | Merge trunk changes into this branch. (check-in: 9b4d561f user: dan tags: window-functions) | |
| 21:07 | Support some "ROWS BETWEEN N PRECEDING AND M FOLLOWING" window functions without caching entire partitions. (check-in: e7a91f12 user: dan tags: window-functions) | |
| 07:25 | Merge latest trunk changes into this branch. (check-in: 97a9604d user: dan tags: reuse-schema) | |
| 07:15 | Fix a problem preventing compilation with SQLITE_OMIT_UTF16. (check-in: 906d1fd8 user: dan tags: trunk) | |