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50 check-ins occurring around 491f0f9bbddb6302.

2019-07-04
16:06
Have wapptest.tcl run at least one threadtest with an SQLITE_ENABLE_MEMORY_MANAGEMENT build. (check-in: d6131caf64 user: dan tags: trunk)
16:05
Fix a race condition that could occur in SQLITE_ENABLE_MEMORY_MANAGEMENT builds when two threads simultaneously open the first two database connections in the process. (check-in: 5ea3f6fc88 user: dan tags: trunk)
2019-07-03
18:31
Add tests for the FILTER clause. And a bugfix. (check-in: 28aa1702f7 user: dan tags: filter-clause)
2019-07-02
20:10
Have ALTER TABLE detect and error out for the case where renaming a column changes a the interpretation of a double-quoted identifier in the database schema from an SQL literal to a column reference. (check-in: 5dbb0734af user: dan tags: tkt9b78184b-alt)
12:23
Restore the legacy behavior of enabling double-quoted string literals in all contexts. But also provide a new compile-time option (SQLITE_DQS) to change the default to something more restrictive. (check-in: 97a94446f3 user: drh tags: trunk)
11:56
Experimental implementation of FILTER clause for aggregate functions. (check-in: 1f1ae2d6ac user: dan tags: filter-clause)
2019-06-28
07:08
Use the OP_Sequence opcode for generating unique rowid values for an autoindex on a co-routine implementation of a subquery. (check-in: eab4297577 user: drh tags: trunk)
2019-06-26
21:04
Ensure that when an ephemeral cursor is reopened with a second invocation of to OP_OpenEphemeral, the sequence counter is reset and the cache marked as stale. Fix for [9cdc5c46]. (check-in: 5fd20e09a5 user: dan tags: trunk)
2019-06-21
14:05
Fix a typo in an option name for the .dbconfig command in shell.c.in: s/wriable_schema/writable_schema/ (check-in: 1c58522e49 user: dan tags: trunk)
2019-06-17
14:50
Fix a problem with handling with handling quoted path elements in extension functions json_set() and json_insert() reported on the mailing list. (check-in: 45bfcb88e7 user: dan tags: trunk)
14:13
New sqlite3_db_config() options: SQLITE_DBCONFIG_LEGACY_ALTER_TABLE, SQLITE_DBCONFIG_DQS_DML, and SQLITE_DBCONFIG_DQS_DDL. (check-in: a61db8ff67 user: drh tags: trunk)
13:56
Improved interface to double-quoted string literal enabling/disabling. (Closed-Leaf check-in: 923cfd53fc user: drh tags: new-dbconfig-options)
2019-06-16
14:56
Avoid transforming TK_COLLATE or TK_UNLIKELY Expr nodes to TK_REFERENCE. Instead, transform the uppermost Expr node in the expression tree that is not of this type. Fix for [e1e07ef2]. (check-in: 5411087048 user: drh tags: trunk)
08:58
Avoid transforming TK_COLLATE or TK_UNLIKELY Expr nodes to TK_REFERENCE. Instead, transform the uppermost Expr node in the expression tree that is not of this type. Fix for [e1e07ef2]. (Closed-Leaf check-in: ba7870e292 user: dan tags: tkt-e1e07ef2)
2019-06-15
15:32
Fix minor problems in the test code in test_demovfs.c. (check-in: ca4ddfefc1 user: dan tags: trunk)
15:27
Add extra test case for one of the problems fixed by the previous commit. (check-in: 0bbceebb12 user: dan tags: trunk)
15:21
Ensure that sqlite3RenameExprUnmap() does an unmap of the result set alias names in subqueries when ALTER TABLE fails because of a syntax error in a trigger. (check-in: d3b6f1665f user: drh tags: trunk)
2019-06-14
21:25
Add SQLITE_DBCONFIG options LEGACY_ALTER_TABLE, NO_DQS_SCHEMA, and NO_DQS. (check-in: 1fad20925e user: drh tags: new-dbconfig-options)
17:37
Deprecate the SQLITE_ALLOW_COVERING_INDEX_SCAN compile-time option when it is turned off. This probably will impact no-one. If it does, they will get an error message instructing them to contact developers, so that we can get feedback that somebody is actually using this feature. Start-time disabling of covering index scan is not affected. (check-in: 23e49f9984 user: drh tags: trunk)
13:24
Fix the implementation of the built-in RTRIM collating sequence so that it works for control characters at the end of the string. Ticket [f1580ba1b574e9e9] (check-in: 86fa0087cd user: drh tags: trunk)
12:28
Refactor the LIKE optimization decision logic so that it uses sqlite3AtoF() on both boundary keys to determine if the optimization can be used when the LHS is something that might not have TEXT affinity. Ticket [ce8717f0885af975]. See also [c94369cae9b561b1], [b043a54c3de54b28], [fd76310a5e843e07], and [158290c0abafde67]. (check-in: b4a9e09e60 user: drh tags: trunk)
2019-06-13
16:14
Add a new requirement mark on the ctime.c code. (check-in: c4b405687b user: drh tags: trunk)
14:07
Do not use the %lld printf conversion in the platform printf() as some legacy platforms do not support it. (check-in: f8696b60ee user: drh tags: trunk)
13:52
Fix a minor error in a test script, and harmless compiler warnings in the CLI code. (check-in: eaa34626e4 user: drh tags: trunk)
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)