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100 check-ins occurring around a1cf44763277b6c7.

2017-04-13
13:01
Only use the skip-ahead-distinct optimization if the index has been analyzed and we know that a skip-head is likely to skip over at least 11 rows. The magic number 11 was determined by experimentation. (check-in: 0cf16dec user: drh tags: skip-ahead-distinct)
09:45
Allow a user column name to be used on the LHS of a MATCH operator in FTS5. (check-in: 6f54ffd1 user: dan tags: trunk)
01:19
Forward port the skip-ahead-distinct branch which was abandoned for some reason that I do not recall. This port should have been achived by a merge of trunk into the previous head of skip-ahead-distinct, but that did not work. So I had to manually "rebase" the changes. (check-in: 132339a1 user: drh tags: skip-ahead-distinct)
00:12
Fix a regression caused by the fix for ticket [6c9b5514077fed34551f98e64c09a1] - control characters allowed in JSON. (check-in: 8e7b6118 user: drh tags: trunk)
2017-04-12
17:50
Update fts5 to support "<colset> : ( <expr> )" for column filtering, as well as "<colset> : NEAR(...)" and "<colset> : <phrase>". (check-in: c847543f user: dan tags: trunk)
17:38
Improved \n and \r escapes in the ext/misc/dbdump.c utility function. The implementation of dbdump.c now matches the implementation in the CLI. (check-in: f2643315 user: drh tags: trunk)
2017-04-11
20:48
Avoid updating unaffected indexes on a table as part of an UPDATE that requires foreign key processing in some cases. (check-in: 7aae5c0f user: dan tags: trunk)
19:58
Avoid updating unaffected indexes on a table as part of an UPDATE that requires foreign key processing in some cases. (Closed-Leaf check-in: 477bea9e user: dan tags: fkey-optimization)
19:00
Update this branch with latest trunk changes. (check-in: 0f66a093 user: dan tags: schemalint)
18:55
Limit the depth of recursion for valid JSON in the JSON1 extension in order to avoid using excess stack space in the recursive descent parser. Fix for ticket [981329adeef51011052667a9]. (check-in: 1f68c184 user: drh tags: trunk)
18:29
Fix a formatting issue in the output of the sqlite3_expert program. (check-in: cc8c3581 user: dan tags: schemalint)
18:06
Smaller and faster implementation of exprMightBeIndexed(). (check-in: 76cd611d user: drh tags: trunk)
17:43
Add header comments to the API functions in sqlite3expert.h. Include a list of all candidate indexes in the report output by the sqlite3_expert program. (check-in: 0c45c5eb user: dan tags: schemalint)
16:44
Very slight smaller and faster sqlite3SelectNew() (check-in: 4143650c user: drh tags: trunk)
12:20
Add an ALWAYS() around an unreachable condition in sqlite3VdbeMemGrow(). (check-in: 0f3eb61f user: drh tags: trunk)
11:52
Fix a segfault that could occur if an indexed expression was used in a comparison operation within the result-set of a SELECT statement. (check-in: d6bb7c42 user: dan tags: trunk)
01:30
When evaluating a query that uses an index on an expression, try to use the expression values read directly from the index rather than reevaluating the expression. (check-in: a47efb7c user: drh tags: trunk)
01:01
Improved comments. Fix a problem when an indexed expression is used in an ORDER BY clause. (Closed-Leaf check-in: c59eaf2b user: drh tags: covering-index-on-expr)
2017-04-10
23:42
Merge changes from trunk. (check-in: 8978465f user: drh tags: covering-index-on-expr)
20:51
Smaller and faster vdbeFreeOpArray() (check-in: e052436d user: drh tags: trunk)
20:27
Slightly smaller and faster sqlite3VdbeMemGrow(). (check-in: efd1702a user: drh tags: trunk)
20:00
Add ext/expert/README.md. (check-in: 9318f1b9 user: dan tags: schemalint)
16:13
Changes to allow the code in sqlite3expert.c to be tested directly (via the API in sqlite3expert.h) instead of by invoking the sqlite3_expert application. Fix memory leaks and other problems. (check-in: 5dd98317 user: dan tags: schemalint)
12:31
Add a new JSON test case to verify that all control characters are escaped in the json_quote() function. (check-in: 6ee12221 user: drh tags: trunk)
12:25
Change the JSON extension so that it disallows control characters inside of strings. Fix for ticket [6c9b5514077fed34551f98e64c09a10dc2fc8e16]. (check-in: 475d8f82 user: drh tags: trunk)
2017-04-09
19:23
Do not expose the name of the internal Mem object in the public interface defined by sqlite3.h. (check-in: 19dd753f user: drh tags: trunk)
08:38
Fix the -file option on the sqlite3_expert program. (check-in: 0857c48e user: dan tags: schemalint)
2017-04-08
19:00
Merge latest trunk with this branch. (check-in: e051e8f2 user: dan tags: schemalint)
18:56
Rename shell6.test to expert1.test. Have it invoke the sqlite3_expert binary if it is present. (check-in: be0deff9 user: dan tags: schemalint)
18:24
Merge all recent changes from trunk. (check-in: c23ef5e2 user: drh tags: apple-osx)
18:18
Disallow leading zeros on numeric constants in JSON. Fix for ticket [b93be8729a895a528e2] (check-in: 204e72f0 user: drh tags: trunk)
17:41
Use hash tables instead of in-memory database tables for a few purposes in sqlite3expert.c. (check-in: bf10e68d user: dan tags: schemalint)
14:11
Expand on the comment above OP_Destroy to explain why it throws an error if there are any active reader VMs. (check-in: b9a8c2b9 user: dan tags: trunk)
13:52
Have the rtree module close any open blob-handle within the xSavepoint method. This prevents such an open blob handle from interfering with DROP TABLE operations. (check-in: fa4416ad user: dan tags: trunk)
13:42
Fix the quoting mechanism for ".dump" so that it is not applied for the ".mode quote" output. (check-in: 78c1e903 user: drh tags: trunk)
09:12
Have fts5 close any open blob-handle when a new savepoint is opened. This ensures that fts5 does not prevent DROP TABLE statements (which always open a savepoint) from succeeding. (check-in: a921ada8 user: dan tags: trunk)
01:09
Make sure the RTree sqlite3_blob handle is reset prior to renaming the table. (check-in: 1cdae2db user: drh tags: trunk)
00:55
Fix the ".dump" command so that it works with ".headers on". Also fix the display of ".mode insert" with ".headers on". (check-in: a6ce57ee user: drh tags: trunk)
00:25
Merge the latest trunk changes. (check-in: dd16439e user: drh tags: apple-osx)
2017-04-07
20:20
Use replace() instead of char() to quote newline and return characters in strings in the output of .dump, to avoid excess expression complexity. (check-in: 73073529 user: drh tags: trunk)
20:14
Refactor code to suggest indexes from the shell tool into an extension in ext/expert. Unfinished. (check-in: 305e19f9 user: dan tags: schemalint)
19:52
Remove an unused token type. (check-in: 13a42223 user: drh tags: covering-index-on-expr)
19:41
Proof of concept for the ability to use the expression columns in an index on expressions in place of equivalent expressions in the result set or in the WHERE clause. This check-in compiles but is mostly untested. (check-in: a52ef2ad user: drh tags: covering-index-on-expr)
11:45
Use replace() instead of char() to quote newline and return characters in strings in the output of .dump, to avoid excess expression complexity. (Closed-Leaf check-in: 4c2b5729 user: drh tags: shell-fix)
2017-04-06
18:44
Changes to allow indexes to be recommended for queries on SQL views. (check-in: 0884ff1d user: dan tags: schemalint)
14:56
Fix the ".lint fkey" shell command for cases where the child key is also an INTEGER PRIMARY KEY. (check-in: 48826b22 user: dan tags: trunk)
12:06
Fix the ".lint fkey" shell tool command so that it works for foreign keys that refer implicitly to primary key columns with non-BINARY default collation sequences. (check-in: 327eff25 user: dan tags: trunk)
2017-04-05
13:44
Remove a confusing and pointless sentence from the documentation for the sqlite3_interrupt() interface. (check-in: c5f1a2b6 user: drh tags: trunk)
12:39
Split off sqlite3DbFreeNN() from sqlite3DbFree() and use it in cases where we know that the argument to be freed is never NULL. (check-in: ad90e8bb user: drh tags: trunk)
11:57
Save a few bytes and a few CPU cycles in sqlite3ExprListDelete() routine. (check-in: 9e6c9391 user: drh tags: trunk)
11:49
Remove a conditional made unreachable by the previous ExprList enhancement. (check-in: a1cf4476 user: drh tags: trunk)
11:32
Combine the ExprList_item objects and the ExprList wrapper into a single memory allocation, for improved performance and reduced footprint. (check-in: 2b6560ad user: drh tags: trunk)
10:54
Attempt to remove bash-isms from configure.ac. Use -O0 with --enable-debug. (check-in: 71ed35cc user: drh tags: trunk)
2017-04-04
19:58
Fix a problem causing "PRAGMA integrity_check" to disable the xfer optimization for subsequent VACUUM operations on tables with one or more CHECK constraints. This could result in VACUUM producing slightly larger database files. (check-in: e5bb7db5 user: dan tags: trunk)
17:50
Add some support for OR terms to sqlite3_whereinfo_hook(). (check-in: 5cd07000 user: dan tags: schemalint)
04:23
Add the sqlite3_whereinfo_hook() API - an experimental API replacing the DBCONFIG_WHEREINFO hack on this branch. (check-in: a54aef35 user: dan tags: schemalint)
2017-04-03
14:07
Avoid an unnecessary call to sqlite3WhereGetMask() inside of whereShortCut(). (check-in: 5c11f430 user: drh tags: trunk)
13:59
Do not attempt to run sync2.test with SQLITE_DISABLE_DIRSYNC builds. (check-in: 658f08ce user: dan tags: trunk)
13:33
Force a schema load prior to "PRAGMA optimize". (check-in: 86897c24 user: drh tags: trunk)
13:17
Fix typos in the documentation for OP_Column. (check-in: 777b43e6 user: drh tags: trunk)
12:04
Slightly smaller and faster implementation for vdbeSorterCompareInt(). (check-in: 84fa069c user: drh tags: trunk)
2017-04-01
20:44
Remove an unnecessary setting of the Mem.enc field for the output of the OP_Record opcode, for a performance improvement and size reduction. (check-in: e6e36b28 user: drh tags: trunk)
20:14
Minor performance enhancements to the OP_Affinity opcode. (check-in: c45cd3b9 user: drh tags: trunk)
19:45
Remove an unnecessary clearing of the Vdbe.iCurrentTime value. (check-in: fcd2acdd user: drh tags: trunk)
11:59
Faster implementation for sqlite3VdbeIntValue() and sqlite3VdbeRealValue(). (check-in: 8698df60 user: drh tags: trunk)
11:40
Remove unused fields from the BtCursor object. (check-in: 1c0d82e0 user: drh tags: trunk)
00:20
Save a 78 bytes of code space and a million CPU cycles in speedtest1 by storing the cell index for the leaf page in the BtCursor object in its own field (BtCursor.ix), rather than as an entry in the BtCursor.aiIdx array. (check-in: 2452f061 user: drh tags: trunk)
2017-03-31
11:20
Merge latest trunk into this branch. (check-in: cb721d0b user: dan tags: schemalint)
08:00
Update shell6.test to account for the fact that tests are now run in a separate directory. (check-in: 1e3622de user: dan tags: schemalint)
2017-03-30
20:35
Merge changes from the 3.18.0 release. (check-in: 785c37d9 user: drh tags: begin-concurrent)
20:26
Merge all changes from the 3.18.0 release. (check-in: ed28f15e user: drh tags: apple-osx)
17:13
Declare the Lemon-generated parser object as itself. (Duh) (check-in: c8000e94 user: drh tags: trunk)
16:51
Increase the version number for the next development cycle. (check-in: 9e550ccc user: drh tags: trunk)
16:37
Ensure that the stack space used to hold the Lemon-generated parser object is always 8-byte aligned. (check-in: 1279de0b user: drh tags: trunk)
2017-03-29
23:22
When compiling with MSVC, disable extra SELECT/WHERE tracing for dynamically built shells. (check-in: a6891942 user: mistachkin tags: trunk)
18:03
Avoid unnecessary blob handle invalidation when changes are made to an unrelated table. (check-in: 4a01880b user: drh tags: trunk)
17:06
Slightly smaller and faster implementation of pcache1InitBulk(). (check-in: 06c2b685 user: drh tags: trunk)
16:55
Fix some tests in malloc5.test to account for the sqlite3_release_memory() change in the previous commit. (check-in: d336858d user: dan tags: trunk)
15:18
Fix the sqlite3_release_memory() interface so that it works even if SQLITE_DEFAULT_PCACHE_INITSZ is non-zero. (check-in: 5d902b7f user: drh tags: trunk)
2017-03-28
18:48
Version 3.18.0 (check-in: 424a0d38 user: drh tags: release, branch-3.18, version-3.18.0)
2017-03-25
19:16
Add the new sqlite3_set_last_insert_rowid() interface to the extension loader thunk. (check-in: 8469fc0d user: drh tags: trunk)
18:31
Do not run tests for ".dump --preserve-rowids" when testing SQLITE_OMIT_VIRTUALTABLE builds. (check-in: 55df410b user: dan tags: trunk)
18:15
Disable the new --preserve-rowids option on the CLI ".dump" command if compiled with SQLITE_OMIT_VIRTUALTABLE. (check-in: bd5bbe4e user: drh tags: trunk)
18:03
Make the default value for SQLITE_DEFAULT_SYNCHRONOUS a simple integer literal, so that it does not show up goofy in the output of "PRAGMA compile_options;". (check-in: 833ab321 user: drh tags: trunk)
12:08
Fix two harmless compiler warnings. (check-in: 32be9c3f user: drh tags: trunk)
2017-03-24
19:45
Fix a harmless compiler warning in the JSON1 extension. (check-in: c2c3dd84 user: drh tags: trunk)
18:38
Previous check-in was not correct. This is a better fix for the OP_Once problem of ticket [06796225f59c057cd120f1]. (check-in: 8194dd28 user: drh tags: trunk)
17:59
Fix the OP_Once opcode so that it works correctly for recursive triggers. Ticket [06796225f59c057cd120f1]. (check-in: 25560145 user: drh tags: trunk)
15:09
Merge all recent enhancements from trunk. (check-in: fd5676fe user: drh tags: begin-concurrent)
13:31
Add the RFC-7396 Appendix A test cases for json_patch(). (check-in: c5441d2d user: drh tags: trunk)
12:35
Fix an error in the new json_patch() routine discovered by Ralf Junker. (check-in: 9d535041 user: drh tags: trunk)
2017-03-23
23:44
Add the json_patch() SQL function to the JSON1 extension. (check-in: 47608848 user: drh tags: trunk)
20:33
Change the name of the json_merge_patch() function to just json_patch(). (Closed-Leaf check-in: 04d41004 user: drh tags: json_mergepatch)
19:51
Improvement to the amalgamation configure.ac file contributed by Bob Friesenhahn. (check-in: bf28a55d user: drh tags: trunk)
17:22
Do not run test file autoanalyze1.test if OMIT_VIRTUALTABLE is defined. (check-in: e1d06a57 user: dan tags: trunk)
17:03
Remove an invalid assert() statement failing when VACUUMing a database that contains an index on a column explicitly declared "COLLATE BINARY". (check-in: 9f2e04d3 user: dan tags: trunk)
12:56
Avoid redundant edits in the json_merge_patch() function. (check-in: 4a8e6437 user: drh tags: json_mergepatch)
00:46
Fix harmless compiler warnings in the new json_merge_patch() logic. (check-in: 5d2cf5a2 user: drh tags: json_mergepatch)
00:13
Various fixes to the json_merge_patch() function. (check-in: f49fd255 user: drh tags: json_mergepatch)
2017-03-22
21:45
Change the name of the new function to "json_merge_patch()". (check-in: 53bf70f3 user: drh tags: json_mergepatch)