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28 check-ins using file src/select.c version 82aa95aa
2018-07-05
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20:33 | Update the recipe for resetting a database using SQLITE_DBCONFIG_RESET_DATABASE. (check-in: c43dd23f user: dan tags: trunk) | |
20:05 | Get the json_group_array() and json_group_object() SQL functions working as window functions. (check-in: 916cdc83 user: drh tags: trunk) | |
18:34 | Return an error if a "RANGE" window-frame uses "<expr> PRECEDING" or "<expr> FOLLOWING". (check-in: 786c87ba user: dan tags: trunk) | |
18:19 | Fix a problem in the xInverse method of window-function group_concat(1). (check-in: 73391283 user: dan tags: trunk) | |
17:35 | Fix the .dump command in the command-line shell so that it does not show extraneous SELECT statements when ".echo on" is enabled. (check-in: 11763cac user: drh tags: trunk) | |
17:16 | In wal mode, if a "BEGIN EXCLUSIVE" command (or any other command that upgrades from no transaction directly to a write transaction) hits an SQLITE_BUSY_SNAPSHOT error, change the error code to SQLITE_BUSY to indicate to the caller that the condition may be transient. (check-in: e6108047 user: dan tags: trunk) | |
17:03 | Fix a typo inside an assert() statement introduced by the previous commit. (Closed-Leaf check-in: e3357728 user: dan tags: exp-busy-snapshot-fix) | |
15:46 | In wal mode, if a "BEGIN EXCLUSIVE" command (or any other command that upgrades from no transaction directly to a write transaction) hits an SQLITE_BUSY_SNAPSHOT error, change the error code to SQLITE_BUSY to indicate to the caller that the condition may be transient. (check-in: 221ff63e user: dan tags: exp-busy-snapshot-fix) | |
2018-07-04
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14:28 | Experimental planner change to avoid a skip-scan if a regular index scan on the same index columns can be done instead. (Leaf check-in: 32924446 user: dan tags: exp-avoid-expensive-skipscan) | |
2018-07-03
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20:17 | Test that a race condition can cause a "BEGIN EXCLUSIVE" to return SQLITE_BUSY_SNAPSHOT in wal mode. (check-in: 5a12db75 user: dan tags: trunk) | |
2018-07-02
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17:45 | Fix a problem in the xInverse callback for the built-in sum() window function. (check-in: b6563647 user: dan tags: trunk) | |
17:14 | Fix a segfault caused by having identical window functions in the select-list and ORDER BY clause of a SELECT statement. (check-in: 693b4350 user: dan tags: trunk) | |
15:03 | Fix a crash caused by a LIKE pattern that consists of a single escape character. Problem found by OSSFuzz. (check-in: bb9bfc3a user: dan tags: trunk) | |
12:07 | Fix a segfault caused by invoking a regular aggregate as a window-function. And some problems with count(*) when used as a window-function. (check-in: 4f3c8a82 user: dan tags: trunk) | |
2018-07-01
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16:05 | Quick patch to the Lemon parser template to avoid an array overread reported by OSSFuzz. A proper fix involves enhancements to the table generators in Lemon to make the overread impossible. That fix will take longer to implement. The current check-in is a stop-gap. (check-in: 3f6730be user: drh tags: trunk) | |
2018-06-30
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20:26 | Avoid a warning in fts5.c due to not using generated routine sqlite3Fts5ParserFallback(). (check-in: 65ff5144 user: dan tags: trunk) | |
20:15 | Merge implementation of SQL window functions from the exp-window-functions into trunk. (check-in: 17198a12 user: dan tags: trunk) | |
20:00 | Fix a minor problem in the code for determining whether or not an SQL statement is SQLITE_TOOBIG. (Closed-Leaf check-in: 763e6c9e user: dan tags: exp-window-functions) | |
19:12 | Merge all changes from the weak-fallback branch except those related to the weak-fallback feature itself. (check-in: aad718fb user: dan tags: exp-window-functions) | |
18:54 | Have the tokenizer handle fallback for tokens "OVER" and "FILTER" in the same way as it does for "WINDOW". (Leaf check-in: 12d819e1 user: dan tags: weak-fallback) | |
2018-06-29
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20:43 | Further performance related tweaks for sqlite3RunParser(). (check-in: 5eb47765 user: dan tags: weak-fallback) | |
20:21 | Further tweaks to sqlite3RunParser(). (check-in: eef61ffa user: dan tags: weak-fallback) | |
19:54 | Improve on the previous checkin. Still a bit slow. (check-in: c1fb41aa user: dan tags: weak-fallback) | |
17:44 | Instead of using a lemon %fallback directive, have the tokenizer try to figure out whether an instance of "WINDOW" should be TK_WINDOW or TK_ID. (check-in: 022079cb user: dan tags: weak-fallback) | |
2018-06-28
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20:05 | Modifications to parse.y to better support backwards compatibility for the "window" keyword. (check-in: 7c4b879b user: dan tags: weak-fallback) | |
03:38 | Introduce the concept of "weak fallback" in the parser. A weak fallback only occurs if a syntax error would result otherwise. (check-in: c41d7079 user: drh tags: weak-fallback) | |
2018-06-27
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20:24 | Add missing VdbeCoverage() and VdbeCoverageNeverTaken() macros to window.c. (check-in: 4383cb68 user: dan tags: exp-window-functions) | |
19:48 | Avoid redundant ORDER BY operations when rewriting SELECT statements that contain window functions. (check-in: 336de43a user: dan tags: exp-window-functions) | |