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50 check-ins occurring around 3a477fd0c944440b.

2019-06-12
22:46
Adjust requirements marks and add new requirements tests. check-in: ebb81dad1f user: drh tags: trunk
20:51
As a special case, casting '-0.0' into numeric should yield 0. Fix for ticket [674385aeba91c774]. check-in: 491f0f9bbd user: drh tags: trunk
20:11
Enhancements to the printf() logic in order to render a negative zero with a minus sign. Leaf check-in: 6ba4be66be user: drh tags: negative-zero
13:49
Handle expressions like "expr IS TRUE COLLATE xyz" in the same way as "expr IS TRUE". Fix for [4d01eda8115b10d1]. check-in: 5c6146b56a user: dan tags: trunk
2019-06-11
21:02
The affinity of the unlikely() function and its cousins should be "none". Ticket [0c620df60bffd9ef] check-in: 614ecb0af4 user: drh tags: trunk
18:07
Make sure the affinity of the RHS of an IN operator does not affect the outcome even if the RHS expression contains a COLLATE clause. Ticket [57353f8243c637c0] check-in: 0f748fe58b user: drh tags: trunk
16:43
Mark an unreachable branch with an ALWAYS macro. check-in: d4755aca4b user: drh tags: trunk
16:07
New test case in fuzzdata8.db. check-in: e96641f0be user: drh tags: trunk
16:06
Off-by-one error in the CAST to NUMERIC logic. check-in: 25b8963020 user: drh tags: trunk
12:03
Have the ALTER TABLE code handle the case where an entire expression that includes a sub-select is excluded from a view, trigger or index. check-in: f2c8179f3c user: dan tags: trunk
10:43
Add the new sqlite3ExprUnmapAndDelete() function and use it in place of separate calls to sqlite3RenameExprUnmap() and sqlite3ExprDelete(). check-in: 36ea13e0a8 user: drh tags: trunk
02:43
The ALTER TABLE command should not attempt to rename objects that are contained within an expression tree that has been optimized out because it is the other branch of an "AND false" expression. Ticket [533010b8cacebe82] check-in: 04bd5cb732 user: drh tags: trunk
01:56
Fix repeated test numbers in the altertab2.test file. check-in: e82f235e72 user: drh tags: trunk
01:30
Remove a comment made obsolete by check-in [71643deb6bbad4b4]. No changes to code. check-in: 211c8002d5 user: drh tags: trunk
2019-06-10
23:45
A string consisting of a single '.' is not a floating point literal with extra text at the end. Fix for ticket [412bba9b22c677da] check-in: 5705016229 user: drh tags: trunk
19:17
Have ALTER TABLE commands ignore the lhs of "expr IN ()" and "expr NOT IN ()" expressions, just as other queries do. Fix for [533010b8ca]. check-in: 71643deb6b user: dan tags: trunk
19:07
Improvements to the documentation for the xAccess method of the VFS. Ticket [5e0423b058fa5adf] check-in: 7078d77eff user: drh tags: trunk
18:33
Make sure a CAST to "NUMERIC" results in an integer if the value can be losslessly expressed as an integer, as the documentation requires. Ticket [dd6bffbfb6e61db9]. check-in: c0c90961b4 user: drh tags: trunk
15:34
Handle renaming a column or table when the schema contains a (meaningless) index on the constant expression ('text' IN ()) or ('text' NOT IN()). Fix for [fd76310a]. check-in: 567b130939 user: dan tags: trunk
13:46
Do not attempt the LIKE optimization on a column with numeric affinity if the rhs of the operator begins with whitespace. Fix for ticket [fd76310a5e]. check-in: 94b58ab059 user: dan tags: trunk
2019-06-07
22:51
Remove code in the round() SQL function that became unreachable due to the optimization of check-in [e95138f5f4febde5] check-in: b141bae3f6 user: drh tags: trunk
22:26
When casting string values into numeric and the string has a prefix that looks like a number but total string is not a well-formed number, then take extra care that the result is either integer or real depending on what the prefix looks like. Fix for tickets [e8bedb2a184001] and [4c2d7639f076aa]. check-in: 67a68af557 user: drh tags: trunk
18:56
Also upgrade script config.sub to the latest version. This should have been part of the previous commit. check-in: efbf31b82e user: dan tags: trunk
18:53
Upgrade the config.guess script to the latest version. check-in: be8438133f user: dan tags: trunk
2019-06-05
14:29
CLI enhancements: Add the ".filectrl" command. Make the ".testctrl" command visible to ".help". check-in: 7b3a99fce8 user: drh tags: trunk
13:14
Add a test case for the unix SQLITE_FCNTL_CHUNK_SIZE file-control. check-in: 3a477fd0c9 user: dan tags: trunk
2019-06-04
18:21
In the CLI, add a small delay (0.1 seconds) after launching the output command for ".once" before deleting the temporary file. check-in: 4979f138e8 user: drh tags: trunk
15:47
New dbsqlfuzz test cases add to test/fuzzdata8.db. check-in: 873aa46da3 user: drh tags: trunk
13:11
Fix a segfault in fts3 that could occur when processing corrupt fts records. check-in: dff24c6c7a user: dan tags: trunk
2019-06-03
15:10
Fix harmless compiler warning in lemon. check-in: 3a05242953 user: mistachkin tags: branch-3.28
15:09
Fix harmless compiler warning in lemon. check-in: 2da0eea02d user: mistachkin tags: trunk
14:02
Updates to the shared_schema.md notes document. check-in: 51af2ade8e user: drh tags: reuse-schema
13:53
Fix the count-of-view optimization so that it is (correctly) disabled for a query that includes a WHERE clause or a GROUP BY clause. Cherrypick of [05897ca48a40c6771]. check-in: 583e5a0ab6 user: mistachkin tags: branch-3.28
13:46
In the CLI, add ".help" text for the .shared-schema command. check-in: 3ba6f790e0 user: drh tags: reuse-schema
2019-05-30
13:47
Optimization to the round() SQL function for large input values without a fractional part. check-in: e95138f5f4 user: drh tags: trunk
00:46
Smaller and faster sqlite3IsNaN() implementation makes deserialization of floating point values much faster. check-in: ea748edecb user: drh tags: trunk
2019-05-29
21:18
Much faster implementation of applyNumericAffinity() by avoiding some unnecessary calls to sqlite3Atoi64(). check-in: c1d8a3f654 user: drh tags: trunk
18:33
Add an assert() as an additional test for fix in check-in [523b42371122d9e1b3]. check-in: f9e85e6c79 user: drh tags: trunk
17:22
Fix the query flattener optimization so that it preserve the "SF_Compound" bit when flattening a compound subquery into a non-compound outer query. Failure to preserve that bit could allow subsequent flattenings which are not valid. Fix for ticket [c41afac34f15781fe09cd]. check-in: 523b423711 user: drh tags: trunk
2019-05-28
14:42
Fix an assert() in fts3 that could fail when processing corrupt records. Also some minor sanitizer warnings. check-in: c736c40aab user: dan tags: trunk
2019-05-27
11:21
Fix an error message on the blobread() extension function so that it says "read" instead of "write". check-in: 7cbb9a5fe8 user: drh tags: trunk
11:09
Fix a memory leak in the delta_parse() table-valued function of the fossildelta.c extension. check-in: c86ca3f022 user: drh tags: trunk
00:29
Improved rounding even on systems with an 8-byte "long double" type. check-in: 15202aee15 user: drh tags: trunk
2019-05-25
18:17
Performance enhancement in sqlite3AtoF(). About 8% faster. check-in: 81721aa545 user: drh tags: trunk
17:41
Use "long double" literals to initialize an array of "long double" objects. check-in: 2e2ebad3ab user: drh tags: trunk
13:14
Add new cases to speedtest1 for measuring performance of binary to/from decimal conversions of floating point values. check-in: b84e7057c0 user: drh tags: trunk
00:17
Disable the new rounding tests on systems without long double support. check-in: ed250b4e18 user: drh tags: trunk
2019-05-24
22:58
Improvements to rounding behavior in the round() and printf() functions. check-in: 641b2d2105 user: drh tags: trunk
13:15
The ".shared-schema" command in the CLI requires the sqlite_dbpage table, so disable it if the build does not include that extension. check-in: 0913ff4dc3 user: drh tags: reuse-schema
13:04
Merge recent enhancements from trunk. check-in: ff9f3e0951 user: drh tags: reuse-schema