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100 check-ins occurring around 767c1727fe.

2015-10-29
14:29
The optimization on this branch is logically incorrect. It changes the return value of "SELECT 0 OR 'xyzzy'" FROM 0 to 'xyzzy'. Closed-Leaf check-in: a0c08d26 user: drh tags: simplify-or-clause
13:48
Fix uses of ctype functions (ex: isspace()) on signed characters in test programs and in some obscure extensions. No changes to the core. check-in: 34eb6911 user: drh tags: trunk
12:27
Apply optimizations to simplify OR clauses that contain constant terms. check-in: d533e23f user: drh tags: simplify-or-clause
01:11
Enhance comments in the MSVC batch build tool. check-in: 2964ce25 user: mistachkin tags: trunk
2015-10-28
20:01
Make the internal sqlite3PExpr() interface responsive to the TKFLG_DONTFOLD flag on the operator parameter. check-in: b10ab59f user: drh tags: trunk
19:46
Add experimental API sqlite3_db_cacheflush(). check-in: 65b86dc1 user: dan tags: cacheflush
16:05
Factor out adding NOT expression nodes in the parser into a subroutine. check-in: 00185418 user: drh tags: trunk
2015-10-27
20:04
Have contentless and external content fts5 tables ignore "OR REPLACE" conflict handling. check-in: a85c2a47 user: dan tags: trunk
17:48
Fix problems with prefix queries in fts5. check-in: 3b5758c6 user: dan tags: trunk
13:35
Provide hints to the storage engine using the sqlite3BtreeCursorHint() interface when compiling with SQLITE_ENABLE_CURSOR_HINTS. check-in: 45d3539e user: drh tags: trunk
13:24
Split out sqlite3BtreeCursorHintFlags() from sqlite3BtreeCursorHint() the interface for improved performance. Closed-Leaf check-in: b3ec9a0d user: drh tags: cursor-hints
2015-10-26
20:50
Merge latest trunk changes, including the SQLITE_IOERR_AUTH error code, with this branch. check-in: bc195e1c user: dan tags: apple-osx
20:39
Add new extended error code SQLITE_IOERR_AUTH. check-in: b4e70dd0 user: dan tags: trunk
20:11
Merge the BTREE_FORDELETE enhancement with this branch. check-in: 20da0849 user: dan tags: cursor-hints
18:51
Merge in all trunk changes prior to the BTREE_FORDELETE enhancement. check-in: 53d5a4ad user: drh tags: cursor-hints
18:01
Capture BTREE_FORDELETE test cases that were mistakenly omitted from the previous merge. check-in: de697251 user: drh tags: trunk
17:50
Provide the BTREE_FORDELETE flag to sqlite3BtreeCursor() if the cursor will be used only for deletions and seeking. check-in: 871b1c78 user: drh tags: trunk
16:34
Fix an uninitialized variable problem in the test code added by the previous commit. Closed-Leaf check-in: 7849662e user: dan tags: btree-fordelete-flag
16:31
Test that the binary record "0x01 0x00" is interpreted by OP_Column as a vector of NULL (or default) values. check-in: 5bdc3c82 user: dan tags: btree-fordelete-flag
14:54
Fix a C99-ism and a harmless compiler warning. check-in: 138783b5 user: drh tags: trunk
14:41
When compiling with SQLITE_HAS_CODEC, honor the hexkey= query parameter on URI pathnames in sqlite3_open_v2(). check-in: e0ce3fc0 user: drh tags: trunk
12:55
Remove an unreachable branch in malloc.c. check-in: a36b7fe9 user: drh tags: trunk
2015-10-24
20:31
When creating an automatic-index on a sub-query, add a unique integer to the end of each index key to ensure the entire key is unique. Fix for [8a2adec1]. check-in: bfea226d user: dan tags: trunk
2015-10-23
11:50
Remove an unused #define from whereInt.h. Add comments describing the new sqlite3BtreeCursor() flags. check-in: 4c0ba8be user: dan tags: btree-fordelete-flag
2015-10-22
20:54
Modifications to pass a flag to internal routine sqlite3BtreeCursor() when a cursor that is used solely for deleting b-tree entries, or for obtaining the components of keys to delete from other b-trees, is opened. check-in: cdc92919 user: dan tags: btree-fordelete-flag
18:06
Alternate compiler warning fix for sqlite3StatusHighwater. check-in: 4315d202 user: mistachkin tags: trunk
2015-10-21
22:08
Fix harmless compiler warnings in FTS5. check-in: aa4e01ea user: mistachkin tags: trunk
22:07
Fix compilation of 'testfixture' with MSVC when the FTS5 and JSON1 extensions are enabled. check-in: e31aa97a user: mistachkin tags: trunk
20:56
Remove some branches made unreachable by recent changes from fts5. check-in: ae350bfb user: dan tags: trunk
20:07
Minor optimization for fts5 queries. check-in: 363b36d5 user: dan tags: trunk
08:26
Add extra debugging function to test_rbu.c. Enhance the documentation for sqlite3rbu_db() to define the validity of the returned database handles. check-in: b9c4aa52 user: dan tags: trunk
2015-10-20
23:40
Fix compiler warnings. Closed-Leaf check-in: 12e869bb user: mistachkin tags: noWarn
23:27
Fix harmless compiler warnings in FTS5. check-in: 0a903ec2 user: mistachkin tags: trunk
21:05
More optimizations for fts5 prefix queries. check-in: b8fb263e user: dan tags: trunk
19:55
Fix #line directives added to generated file fts5.c. check-in: 1f5f5804 user: dan tags: trunk
15:49
Initialize variables in the fts5 integrity-check code to avoid compiler warnings. check-in: e979e2cc user: dan tags: trunk
2015-10-19
20:49
Another optimization for fts5 prefix (and other) queries. check-in: 60a8bde0 user: dan tags: trunk
17:43
Another tweak to improve performance of fts5 prefix queries. check-in: 69be427c user: dan tags: trunk
15:59
Fix a problem in the fts5txt2db.tcl script causing it to fail when creating tables with more than 8 columns. check-in: 68ee426a user: dan tags: trunk
2015-10-17
20:34
Add tests to cover new branches added to the fts5 code by the previous commit. check-in: cf618334 user: dan tags: trunk
19:49
Handle equality and range constraints on the "term" column of fts5vocab tables. Also have the same module report columns using names instead of indexes. check-in: 6020d96a user: dan tags: trunk
01:00
Change the code generator for UPDATE to generate code in an order that might run more efficiently in many cases. Leaf check-in: c6239bf9 user: drh tags: improved-update
2015-10-16
23:55
Fix a comment in expr.c and add a CORRUPT_DB to an assert() in btree.c. check-in: 0df371d1 user: drh tags: trunk
20:55
Merge the 3.9.1 updates from trunk. check-in: bf866e6c user: drh tags: begin-concurrent
20:53
Merge recent enhancements from trunk. Version now 3.9.1. check-in: 26fa091d user: drh tags: cursor-hints
20:52
Merge the 3.9.1 changes. check-in: dd07688d user: drh tags: apple-osx
20:20
Merge the version 3.9.1 updates. check-in: 2bbb9595 user: drh tags: sessions
20:13
Enhancements to the MSVC makefile. check-in: 39e8a5d9 user: mistachkin tags: trunk
20:12
Merge the 3.9.1 changes into trunk. (This only updates the version number and configure script since all the other changes in 3.9.1 were cherrypicked from trunk.) check-in: eb231742 user: drh tags: trunk
17:31
Version 3.9.1 check-in: 767c1727 user: drh tags: release, branch-3.9, version-3.9.1
15:56
Cherrypick the json form-feed fix, and other #ifdef and build script changes to address minor issues that came to light after the 3.9.0 release. Update the version number to 3.9.1. No logic changes except for the form-feed bug-fix in json1 (ticket [57eec374ae1d0a1d4a]). check-in: 746fcd2f user: drh tags: branch-3.9
15:42
Fix the fuzzershell utility program so that it compiles with the amalgamation that includes JSON1 support. check-in: d6fc616e user: drh tags: trunk
15:35
Fix the JSON1 extension so that it does not depend on isdigit() and strtod() from the standard library when compiled into SQLite as part of the amalgamation. check-in: bc9a9a60 user: drh tags: trunk
15:16
Form-feed is not valid whitespace for json. Fix for ticket [57eec374ae1d0a1d] check-in: 28957d63 user: drh tags: trunk
14:54
Have the sqlite3VdbeSerialType() function go ahead and compute the serial length as well, since it is always needed. This avoids unnecessary calls to sqlite3VdbeSerialTypeLen(). check-in: 2ad72be1 user: drh tags: trunk
14:23
Use a lookup table to compute the content length for serial types less than 128, for a 1.2% performance improvement. check-in: 33957248 user: drh tags: trunk
13:50
Simplify the OP_Column logic slightly. One very small performance improvement added. check-in: 0114b45d user: drh tags: trunk
12:53
OP_Column optimization: Do not check for an oversize row header unless the row header size is larger than the content available on the local page. check-in: 8125b74c user: drh tags: trunk
12:39
Improved header comment on the tool/vdbe_profile.tcl script. No changes to code. check-in: b17ad8fc user: drh tags: trunk
03:34
Whenever two or more OP_Column opcodes on the same cursor occur in succession, try to reordering them so that the one that extracts the right-most column is first, so that it will warm up the row cache for all those that follow. This gives a small performance boost. Leaf check-in: 08e8f04d user: drh tags: reorder-column-opcodes
2015-10-15
21:30
Performance optimization for the OP_Column opcode. check-in: 076be547 user: drh tags: trunk
21:13
Merge updates from trunk. Leaf check-in: 40493680 user: mistachkin tags: mutexInitIsInitReCheck
21:12
Merge updates from trunk. Leaf check-in: a447cf90 user: mistachkin tags: mutexInitSimpleCmpSwap
20:17
Experiments with an OP_Unpack opcode that extracts multiple columns from a record without caching. Leaf check-in: 39ae92f5 user: drh tags: unpack-opcode
19:21
Enhance the use of the column cache for UPDATE statements, making them more efficient for the case where a column is modified to be an expression of other unmodified columns. check-in: 871e091d user: drh tags: trunk
18:04
Add the OP_IntCopy opcode - an optimized version of OP_SCopy that only works for integer values. check-in: 3a2f73a4 user: drh tags: trunk
17:31
Optimization to the out2Prerelease() helper routine in the VDBE engine. check-in: 79298fe8 user: drh tags: trunk
17:21
Remove a superfluous conditional from the memory allocation initialization. check-in: 9ccf8f8d user: drh tags: trunk
16:20
Performance optimizations to the sqlite3MallocSize() by requiring the argument to always be non-NULL. check-in: cb65989b user: drh tags: trunk
15:28
Change sqlite3StatusSet() into sqlite3StatusHighwater() so that only the highwater mark is recorded. This gives a small size reduction and performance improvement. check-in: 6422d223 user: drh tags: trunk
12:06
Make sure sqlite.h is not #included by itself. check-in: a61880c2 user: drh tags: trunk
07:44
Merge in the 3.9.0 changes from trunk. check-in: 5c3a2a6e user: drh tags: begin-concurrent
2015-10-14
23:04
In the MSVC makefile, add LIBTCLPATH variable to make it easier to run tests when the Tcl library is not already present in the PATH. check-in: 54127602 user: mistachkin tags: trunk
22:46
In the MSVC makefile, make sure LDFLAGS is used for the tool executables as well. check-in: 0a17ee49 user: mistachkin tags: trunk
21:08
Tests and minor fixes to improve coverage of FTS5 code. check-in: f4de6d45 user: dan tags: trunk
20:34
Fix harmless compiler warnings. check-in: 1c46c194 user: mistachkin tags: trunk
20:09
Merge in all the 3.9.0 updates from trunk. check-in: 29444149 user: drh tags: cursor-hints
20:03
Update makefiles to remove all uses of "awk" - to make building SQLite easier on Windows systems. The only requirements now are tclsh, a C compiler, and common file utilities. check-in: 4bd0d43d user: drh tags: trunk
20:01
Enable cross-compiling the various tool EXEs with MSVC. check-in: 7d772333 user: mistachkin tags: trunk
19:52
Fixes to the JSON1 extension and its use by fuzzcheck to avoid problems when building DLLs. check-in: 01d3ee7b user: drh tags: trunk
19:44
Fix fuzzcheck.c so that it assumes that JSON1 is already compiled in and does not need to be initialized further. Closed-Leaf check-in: ec003958 user: drh tags: dll-build-fix
18:45
Avoid exporting sqlite3_json_init() from amalgamation builds. check-in: 8463f7e7 user: dan tags: dll-build-fix
12:29
Version 3.9.0 check-in: a721fc0d user: drh tags: trunk, release, version-3.9.0
10:56
Add the missing 'extern "C" {...}' blocks to fts5.h and sqlite3rbu.h. check-in: 47a2ce97 user: dan tags: trunk
2015-10-13
20:42
Merge in the final few changes before the 3.9.0 release. check-in: e1afdbb5 user: drh tags: sessions
17:49
Merge 3.9.0 prerelease changes into the apple-osx branch. check-in: 1900ce01 user: drh tags: apple-osx
2015-10-12
22:31
Remove the unused fts5ExprColsetTest() routine. check-in: 9ecafc0c user: drh tags: trunk
22:20
Fix a couple harmless compiler warnings. check-in: 7f896a97 user: mistachkin tags: trunk
19:12
Further tweaks to improve fts5 prefix query performance. check-in: 1c20c1c2 user: dan tags: trunk
04:56
Change all references to 3.8.12 into 3.9.0. Comment changes only - no changes to code. check-in: 6f2858f6 user: drh tags: trunk
03:56
Remove AWK requirement from the MSVC batch build tool. Closed-Leaf check-in: 6d9cdb93 user: mistachkin tags: omit-awk
03:44
The TclKit batch tool should not download the TclKit SDK when the TCLKIT_NOSDK environment variable is set. check-in: 7c5d583b user: mistachkin tags: omit-awk
2015-10-11
20:39
Detect and report circularly defined views even if the views have the columns defined in the CREATE VIEW statement. check-in: 9ab9c8c6 user: drh tags: trunk
20:08
Remove an unreachable branch in the query flattener substitution logic. check-in: 46ee3453 user: drh tags: trunk
19:46
Improved substitution logic in the query flattener. Saves code space, and (more importantly) works correctly with table-valued functions. check-in: 3d0bd95e user: drh tags: trunk
2015-10-10
23:39
Enhance TclKit batch tool (and MSVC makefile) to support targets that require the Tcl stub library. check-in: bc6223b1 user: mistachkin tags: omit-awk
20:35
Pull in the latest 3.9.0 tweaks from trunk. check-in: ed174ccf user: drh tags: sessions
16:41
Work around a "security feature" bug in memcpy() on OpenBSD. check-in: fab6f090 user: drh tags: trunk
15:57
Remove another instance of strcpy() from FTS5, to mollify OpenBSD. check-in: 35e6248a user: drh tags: trunk
15:11
Omit the use of strcpy() in FTS5 since OpenBSD hates strcpy(). check-in: bc24a5bb user: drh tags: trunk