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Author SHA1 Message Date
drh
e8e4af7697 Consolidate more of the DISTINCT processing logic into a single spot in the 
code.  Reduce the number of OP_Column operations needed to perform a
WHERE_DISTINCT_ORDERED.

FossilOrigin-Name: 79e922f7ae29bbe06d639d648fbd72523cf9a28e
 2012-09-21 00:04:28 +00:00
drh
634d81dee0 Continuing incremental enhancements of SELECT code generation: 
Remove the Select.affinity field.  Use SelectDest.affSdst instead.

FossilOrigin-Name: cf40b7b5ebdacc3215d769aadacce8c9e7e9dfbb
 2012-09-20 15:41:31 +00:00
drh
2c79733f3c Refactoring of DISTINCT code. Change the name of the local variable 
"distinct" to "distinctTab".  Generate cleaner code w/o unnecessary P4
and P5 values on the OP_Null for WHERE_DISTINCT_ORDERED.

FossilOrigin-Name: 0cda241a2bcb3c6f2ae6c48f522780bc4eddfc02
 2012-09-20 14:26:22 +00:00
drh
053a128f55 Tighter VDBE code for the WHERE_DISTINCT_ORDERED case of DISTINCT keyword 
handling.

FossilOrigin-Name: 94b48064db3cbb43e911fdf7183218b08146ec10
 2012-09-19 21:15:46 +00:00
drh
ae651d614e Add comments to the WHERE_DISTINCT_* macros. No changes to code. 
FossilOrigin-Name: 82320501904f65030622a67836ba30f412169056
 2012-09-19 17:31:15 +00:00
drh
c35dfbb677 Merge the covering-index-scan optimization into trunk. 
FossilOrigin-Name: ddd5d789e7ae4a66cd7b7fa79e48d2777f95350b
 2012-09-19 00:35:31 +00:00
mistachkin
ba2bba3c32 Silence harmless compiler warning seen with SQLITE_OMIT_DEPRECATED. 
FossilOrigin-Name: c5cee969322d14114e4136510c3891a2e743520d
 2012-09-18 23:21:32 +00:00
drh
dbaee5e342 Enhance IN processing to allow efficient use of indices with numeric affinities. 
Add test cases for IN processing that would have spotted the error in the
[2be661a48023f4] check-in.

FossilOrigin-Name: 5ded9b68388f4024425c11f09b03529ac89454ce
 2012-09-18 19:29:06 +00:00
drh
d4305ca61c Enhancements to the comments on sqlite3FindInIndex(). No code changes. 
FossilOrigin-Name: b1a4c394995eb90b3fb43ab204704bda03799303
 2012-09-18 17:08:33 +00:00
drh
c65714ddf0 Add the stack_usage.tcl script for analyzing the output of objdump on the 
amalgamation and estimating the sizes of stack frames on each function.

FossilOrigin-Name: 030013ff0c7af5f146a64f9ede31297ff003e0c4
 2012-09-18 14:00:54 +00:00
drh
3a94987819 Update the vdbe-compress.tcl script so that it accepts variable declarations 
inside of #ifdef...#endif.
This enhancement is needed due to the change of check-in [39866c0ede5d6ef4].

FossilOrigin-Name: e7db056a0d76b2411cadbae077890df189e49414
 2012-09-18 13:20:13 +00:00
drh
d2e2bf9ff7 Make sure the WHERE_IDX_ONLY flag is not set on query plans that will not 
be using an index.

FossilOrigin-Name: 698b2a28004a9a2f0eabaadf36d833da4400b2bf
 2012-09-17 21:24:01 +00:00
drh
de9a7b8a94 Add the ability to disable the covering-index-scan optimization at compile-time, 
start-time, or at run-time.  Add test cases to check this configurability.

FossilOrigin-Name: ccb8ecc30c8e6c7760131250297c2e452bbac43b
 2012-09-17 20:44:46 +00:00
drh
ee4b21e9f3 Merge recent trunk changes into the fullscan-covering-index branch. 
FossilOrigin-Name: 1c0bf0305ce9528a0d07c86a390c5872e16bdb57
 2012-09-17 19:26:02 +00:00
drh
f4af1089ab Remove obsolete bits from the bitvector that defines disabled optimizations 
in the SQLITE_TESTCTRL_OPTIMIZATIONS verb of sqlite3_test_control().

FossilOrigin-Name: 4c21ee2d26466f83dec525153e2b1506bd956701
 2012-09-17 19:12:39 +00:00
drh
4261096124 Remove an unnecessary parameter from sqlite3Utf8Read() resulting in a slight 
performance increase.

FossilOrigin-Name: 8b962c94a2f829f71efdd0ca770469b02feea3e1
 2012-09-17 18:56:32 +00:00
drh
e1a022e48b Make sure the KeyInfo.aSortOrder array is always allocated so that we never 
have to test for KeyInfo.aSortOrder==0 in performance-critical loops.

FossilOrigin-Name: 45793f0b844fee7445bc9269b403f89a58f77150
 2012-09-17 17:16:53 +00:00
drh
56690b3d49 Performance enhancement in the sqlite3VdbeSerialType() routine. 
FossilOrigin-Name: ad298f52efd0ff123a1a4d6a0fa16fbd4c6b6dad
 2012-09-17 15:36:31 +00:00
drh
3f4d1d1b02 Attempt to use a covering index even on a full table scan, under the theory 
that the index will be smaller and require less disk I/O and thus be faster.

FossilOrigin-Name: cfaa7bc12847a7006ccc93815f2395ad5259744a
 2012-09-15 18:45:54 +00:00
drh
55b4c226d1 Make sure the name of rollback journal files are double-zero terminated 
when they are passed into the VFS.

FossilOrigin-Name: 8711a8447d28275602287faf533de3d6e50d535d
 2012-09-15 13:39:24 +00:00
drh
5f08526937 Factor out the code that generates a co-routine for evaluating the SELECT 
on the RHS of an INSERT statement so that the same code can potentially
be reused in other places.

FossilOrigin-Name: a93ee09cdc15987848bf9023e69892ce9a5f989e
 2012-09-15 13:29:23 +00:00
drh
6ec6549158 Improved alignment of fields in the Expr object gives an 8-byte size 
reduction on 64-bit machines.

FossilOrigin-Name: 6b252a0d1a78db7bf2d650bafc214ea4064eef9e
 2012-09-13 19:59:09 +00:00
mistachkin
66498ae871 Fix WAL capability checking in one of the test files. 
FossilOrigin-Name: 0ebe7cc57408d6d85910cc976fb8af4436d6e594
 2012-09-13 16:12:20 +00:00
mistachkin
59ee77c7d1 Fix an unused variable warning with SQLITE_OMIT_WAL. 
FossilOrigin-Name: 39866c0ede5d6ef4dd4fd57c797f0e86a2d0dc5d
 2012-09-13 15:26:44 +00:00
mistachkin
7ea11af2d6 Improved reporting of filename translation errors in the Windows VFS. 
FossilOrigin-Name: eb0f1c292e6fb00c4d9dbb2317fdc4717c5be96b
 2012-09-13 15:24:29 +00:00
drh
d815f17dab Reduce the size of the Table object by 16 bytes on 64-bit machines, mostly 
by avoiding intermixing pointer fields with integer fields.

FossilOrigin-Name: 1cb9aedfcf81f0086fa741cb29a062ee87724a5e
 2012-09-13 14:42:43 +00:00
drh
a371ace426 Change boolean fields in the Column object from unsigned characters into 
bits in a single bit mask variable.

FossilOrigin-Name: 4163f5f194741bc2bdf141973912661c6aac70f1
 2012-09-13 14:22:47 +00:00
drh
df32414d99 Add the RTREE_INT_ONLY configuration parameter to the compile-time options 
logic.

FossilOrigin-Name: 98b971fb24e0ee5f881b13401c7af51fc6effd0e
 2012-09-13 12:10:55 +00:00
mistachkin
c60941f814 Allow SQLite to work on Win32 with SQLITE_OS_WINNT=0 as long as WAL is disabled. 
FossilOrigin-Name: c1a8557008e56aa9bcb4565e4178fc57295c563d
 2012-09-13 01:51:02 +00:00
drh
8cca95d7aa Update version number to 3.7.15. Delete some obsolete build scripts. 
FossilOrigin-Name: 9402f81fade5fcae0a3a6efdc7a5cdf71fc2e79f
 2012-09-12 00:11:20 +00:00
mistachkin
5dac843233 Added sqlite3_errstr API to translate a result code to the corresponding error message. 
FossilOrigin-Name: bf8a9ca5b58404112a8af666f5840b462b7bbfe1
 2012-09-11 02:00:25 +00:00
mistachkin
1c9ee26837 Correct two duplicated test names. 
FossilOrigin-Name: ced49974a969f11e5ebe2280bd7eec20b059e501
 2012-09-10 23:44:12 +00:00
drh
0fdbdbea03 Remove the stale implementation of the ifnull and coalesce functions - code 
that has been commented out for ages.  No functional changes.

FossilOrigin-Name: c2ad691174b8af2e8b158d8840cfc93f75d7db71
 2012-09-10 15:02:32 +00:00
mistachkin
9dc2a73662 Avoid using the sqlite3ErrStr function in the Tcl package if USE_SYSTEM_SQLITE is defined. 
FossilOrigin-Name: a716b9a3091072774d067c0a1258b0f4c39a4180
 2012-09-10 09:33:09 +00:00
mistachkin
8765b4660e Make header comments for some Tcl test commands more consistent. No changes to code. 
FossilOrigin-Name: af870ca9827d2079a35dbb545660f670c7ca9512
 2012-09-10 08:48:05 +00:00
mistachkin
540ebf8271 Refine error messages in the sqlite3 Tcl command when a NULL database connection is returned from sqlite3_open_v2. 
FossilOrigin-Name: f260d7d567a1239c483c437d0b18a95bd0c96724
 2012-09-10 07:29:29 +00:00
mistachkin
60a7523bd3 Fix typo in documentation for sqlite3_open_v2. No changes to code. 
FossilOrigin-Name: b532120a4a567a3fa54b87dd8ab94cc2c0347c7c
 2012-09-10 06:02:57 +00:00
drh
37f58e9902 Avoid repeating calls to the sqlite3_trace() callback when the same statement 
is evaluted multiple times by sqlite3_step() due to an SQLITE_SCHEMA
reprepare.

FossilOrigin-Name: 39f763bfc04174ee0fe2cdf6a92b7c12f726bd1b
 2012-09-04 21:34:26 +00:00
drh
8a7c142887 Version 3.7.14 
FossilOrigin-Name: c0d89d4a9752922f9e367362366efde4f1b06f2a
 2012-09-03 15:42:36 +00:00
drh
9265d0bdc2 Fix compiler warnings in test_spellfix1.c 
FossilOrigin-Name: ebb08d0b4d1ed674e4a23c3754206ca2df9063ff
 2012-09-03 12:40:32 +00:00
drh
2a78169563 Add resources describing the version number and other information to EXEs 
and DLLs generated using MSVC.

FossilOrigin-Name: a15a70840e1af55ffe4035f53e894a2d582d8f74
 2012-09-03 11:39:59 +00:00
mistachkin
597a8c5f32 Insert additional tab character. 
FossilOrigin-Name: 3af7c1a6afacea7b5e47bebce2541aa340c6e946
 2012-09-03 11:14:53 +00:00
mistachkin
0f104d5700 Linking and cleaning fixes for the tclsqlite3.exe target in the MSVC makefile. 
FossilOrigin-Name: 96d43c7a35684cd8ca6ac0d8325193e69f102fb8
 2012-09-03 11:01:21 +00:00
mistachkin
4d9d1f4722 Add Win32 version resources to the applicable binaries built by the MSVC makefile. 
FossilOrigin-Name: e2f27d28b590164bc6b0d856e79c9345e2188d03
 2012-09-03 10:32:32 +00:00
drh
e0d058c6d8 In the spellfix phonehash() function, add letter W into the same character 
class as V.

FossilOrigin-Name: 7536101317c00fbb5bf555120feb55b9bc40e8ba
 2012-08-31 14:55:05 +00:00
drh
19038f1b79 Changes for ERROR_PATH_NOT_FOUND in addition to ERROR_FILE_NOT_FOUND in 
winAccess().

FossilOrigin-Name: 527340abff18aedbcb0f82ac1296a9f548e24ac4
 2012-08-31 12:31:18 +00:00
drh
373cfbc760 Exclude the atof1.test test script from the valgrind permutations test since 
valgrind sets up the floating point hardware in an unusual way that makes
atof1 fail.

FossilOrigin-Name: d3cf6832a59fe4c5723761abb4c89614406b03db
 2012-08-30 20:24:39 +00:00
dan
9454876ddc Fix an out-of-bounds read in the demonstration code in test_spellfix.c. 
FossilOrigin-Name: 59194311543b95c2aeebe2aba83da3c29b7c6460
 2012-08-30 11:22:16 +00:00
drh
b5b407e5ab Fix a typo in a comment in vdbe.c. No changes to code. 
FossilOrigin-Name: 9fbe858b625a346690d5cefca3a6fa2a557bea11
 2012-08-29 10:28:43 +00:00
dan
67c70142d9 Fix a case where SQLite was failing to detect a syntax error in queries like "SELECT ... FROM (<select-1> UNION ALL <select-2>)" when <select-1> and <select-2> return different numbers of result columns. 
FossilOrigin-Name: 200a81358c3117401d2258dd06bb8d2ea4f0ef51
 2012-08-28 14:45:50 +00:00