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88 check-ins using file ext/misc/fileio.c version e7864c39
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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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| 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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| 11:16 | Enhance the rtreenode() function of rtree (used for testing) so that it uses the newer sqlite3_str object for better performance and improved error reporting. Test cases added to TH3. check-in: 90acdbfc user: drh tags: trunk | |
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2019-03-19
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| 20:48 | Merge recent enhancements from trunk. check-in: 000f4398 user: drh tags: apple-osx | |
| 20:42 | Enhance the VACUUM INTO command so that it works on read-only databases. check-in: 55be6d0a user: drh tags: trunk | |
| 20:13 | Fix a compiler warning in FTS5. check-in: d5acf3af user: drh tags: trunk | |
| 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 | |
| 15:36 | When computing the amount of scratch memory needed during a rebalance operation, assume the worst case for the number of cells per page, rather than relying on the BtPage.nCell value, which might be incorrect for a corrupt database. check-in: a420ebd0 user: drh tags: trunk | |
| 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 | |
| 09:57 | Add a LICENSE.md, containing the text of the blessing. check-in: cbb7e602 user: drh tags: trunk | |
| 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 | |
| 10:30 | Fix a typo in a comment. No changes to code. check-in: c2f50aa4 user: drh tags: trunk | |
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2019-03-17
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| 23:59 | New hyperlink on the README.md file. check-in: cc5ab967 user: drh tags: trunk | |
| 23:44 | Update the README.md file at the top level to talk about how to deal with version names and how to verify the code in Git mirrors. check-in: e8c87a0a user: drh 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 | |
| 19:08 | Back out the change to support Fuchsia, since it turns out fuchsia does not like dot-file locks. check-in: 1d801a3b user: drh tags: trunk | |
| 18:57 | Remove a debugging printf() left in test/sessionfuzz.c. check-in: 73c4abc9 user: dan tags: trunk | |
| 16:17 | Ensure that ALTER TABLE commands open statement transactions. Fix for [596d059a]. check-in: 0f2129f5 user: dan tags: trunk | |
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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 | |
| 00:01 | Technical improvements to the documentation for sqlite3_bind_blob() and sqlite3_bind_text(). No changes to code. check-in: fb60150a user: drh tags: trunk | |
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2019-03-13
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| 23:51 | Improvements to the sqlite3_db_filename() API documentation. No code changes. check-in: 711f5ec4 user: drh tags: trunk | |
| 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 | |
| 13:19 | New test cases added to test/fuzzdata8.db check-in: 049e9926 user: drh tags: trunk | |
| 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 | |
| 10:29 | Detect zero-length free slots on btree pages and report that as corruption. check-in: c4f0568f user: drh 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 | |
| 20:26 | Fix a harmless bug in the Makefile. check-in: 62ac9cb0 user: drh tags: trunk | |
| 20:02 | Finish consolidation of window frame code. Add untested support for GROUPS frames. check-in: 954bf369 user: dan tags: window-functions | |
| 16:06 | Merge the latest enhancements and fixes from trunk. check-in: 543ecb30 user: drh tags: begin-concurrent-pnu-wal2 | |
| 15:57 | Merge the latest enhancements and fixes from trunk. check-in: bf20d4ff user: drh tags: wal2 | |
| 15:30 | Merge all the latest enhancements from trunk. check-in: 667cce3d user: drh tags: begin-concurrent-pnu | |
| 14:07 | Add new test cases in test/fuzzdata8.db check-in: 97bdc090 user: drh tags: trunk | |
| 14:02 | Patch makes balance_nonroot() slightly smaller and faster and more robust against corrupt databases. check-in: 174da3c3 user: drh tags: trunk | |
| 13:27 | Fix another segfault in fts3 that could occur with corrupt records. check-in: fcc24edd user: dan tags: trunk | |
| 01:52 | Detect an attempt to drop a btree that is not within the bounds of the database file and abort early with an SQLITE_CORRUPT error, to avoid problems later on in the process. check-in: 235a9698 user: drh 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 | |
| 14:53 | Add the sqlite3_stmt_isexplain() interface. check-in: ee642d3e user: drh tags: trunk | |
| 14:08 | Add an "|| CORRUPT_DB" term to an assert() that might be false if the database is corrupt. Also add a branch to have sqlite3PagerMovepage() return SQLITE_CORRUPT in that case. check-in: b0d5cf40 user: drh tags: trunk | |
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2019-03-05
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| 23:49 | Fix a potential 32-bit integer overflow in the "showdb" utility program when it is trying to interpret a corrupt database file. check-in: 3803e750 user: drh tags: trunk | |
| 19:29 | Extend windowCodeStep() to handle any ROWS PRECEDING/FOLLOWING frame specification. check-in: af0ea136 user: dan tags: window-functions | |
| 16:53 | Add a script to tool/ that will extract the sqlite3.h header file from an sqlite3.c amalgamation. check-in: 38d2e510 user: drh tags: trunk | |
| 14:47 | New dbfuzz2 test cases added to test/fuzzdata7.db check-in: 25975e1f user: drh tags: trunk | |
| 14:39 | If the initial byte of a record is a large value, then always used the generalized record comparison routine sqlite3VdbeRecordCompare() rather than one of the specialized versions that are optimized for shorter records. check-in: c1ac0070 user: drh tags: trunk | |
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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 | |
| 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 | |
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2019-03-02
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| 20:09 | Improved comments on the fossildelta.c extension. check-in: d7d23f04 user: drh tags: trunk | |
| 15:25 | Fix the SQLITE_DIRECT_OVERFLOW_READ compile-time option so that it works with SQLITE_HAS_CODEC. check-in: fd085e92 user: drh tags: trunk | |
| 12:17 | Remove a redundant parameter extraction call from the percentile.c extension. check-in: d49c32e6 user: drh tags: trunk | |
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2019-03-01
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| 21:37 | Merge recent changes from trunk. check-in: f270245a user: drh tags: apple-osx | |
| 21:33 | The fts3_tokenizer() function returns NULL if the SQLITE_DBCONFIG_ENABLE_FTS_TOKENIZER setting is disabled, which is is by default. check-in: f5732f4c user: drh tags: trunk | |
| 21:12 | Fix a minor comment typo. No code changes. check-in: 9a0a93c8 user: drh tags: trunk | |
| 18:27 | Merge the latest enhancements from trunk. check-in: e64ded7b user: drh tags: apple-osx | |
| 18:07 | In a query that uses a partial index, the expression that is the WHERE clause of the partial index must always be true. Use this fact to avoid evaluating identical terms in the WHERE clause of the query. check-in: 9b287962 user: drh tags: trunk | |
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2019-02-28
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| 20:10 | Add the ".parameter" command to the CLI. check-in: 1f9fa585 user: drh tags: trunk | |
| 17:29 | Add the new "bind_fallback" method to the "sqlite3" object in the TCL interface. check-in: c7f70b6d user: drh tags: trunk | |
| 14:09 | New test case loaded into test/fuzzdata8.db. check-in: 00ae0c6c user: drh tags: trunk | |
| 13:41 | Avoid an assert() failure and an undefined left-shift operation in the fts3 snippet() function that could occur if the database was corrupt. check-in: d5250db6 user: dan tags: trunk | |
| 13:21 | Add an "|| CORRUPT_DB" term to an assert() statement in the btree defragmenter. check-in: 6bfd8655 user: drh tags: trunk | |
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2019-02-27
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| 23:05 | Enable the LIKE optimization when the ESCAPE keyword is present and the PRAGMA case_sensitive_like pragma is ON. check-in: 6ae4b8c5 user: drh tags: trunk | |
| 19:59 | Fix the readfile() UDF so that it returns an empty BLOB, not an OOM error, when reading an empty file. check-in: 0edad533 user: drh tags: trunk | |