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22427 Commits

Author SHA1 Message Date
dan
de9ed6293d Allow sub-queries that use UNION ALL to be flattened, even if the parent query is a join. Still some problems on this branch. 
FossilOrigin-Name: 00e4bf74d3dfb87666a2266905f7d1a2afc6eb088d22cfd4f38f048733d6b936
 2020-12-16 20:00:46 +00:00
drh
e5baf5c283 Remove an unnecessary and incorrect #ifdef. Fix harmless compiler warnings. 
FossilOrigin-Name: 31cd1bbfa5b06723288d99d1cb423f88353bdef770b82e9103f71a796d66f660
 2020-12-16 14:20:45 +00:00
drh
9463d79353 Fix a typo in the sqlite3_free_filename() documentation. 
FossilOrigin-Name: 48301edc90fe5811df0394b106edce7726d0ea86ac562c9f4db511b812a76433
 2020-12-16 13:17:32 +00:00
dan
7f60706691 Fix another integer overflow triggered by a corrupt database in recently modified vacuum code. 
FossilOrigin-Name: 4e2dd2a53364f1fed48b995fd5d2642472585f6da5e4735e9da193ba7ff45514
 2020-12-15 19:27:20 +00:00
dan
0bf333467c When the -statstep option is passed to the "rbu" executable, print out memory stats right before exiting, as well as every -statstep steps. 
FossilOrigin-Name: 94f81b51176566409b7d16b30d861f48ad15bb43a145df6e02e0880f7c348109
 2020-12-15 16:28:07 +00:00
dan
84b168ffa7 Change an fts5 assert() that can be triggered by a corrupt database to an if() condition. 
FossilOrigin-Name: ea0a7f103a6f6a9e57d7377140ff9f372bf2b156f86f148291fb05a7030f2b36
 2020-12-15 13:55:38 +00:00
drh
9f023ce539 Enhance UPSERT so that it allows multiple ON CONFLICT clauses and does 
not require a conflict target for DO UPDATE.

FossilOrigin-Name: 6b01a24daab1e5bcb0768ebf994368d941b1dfc217bf6b661211d900331e68cf
 2020-12-14 15:39:12 +00:00
dan
59964b4010 Fix an integer overflow problem in new VACUUM code. 
FossilOrigin-Name: 59b4367fd852ba1bfefdff99a27b11657495a3f114ed6f85fdcf6c532f4a19fa
 2020-12-14 15:25:14 +00:00
drh
1c19848386 Minor changes for test coverage. 
FossilOrigin-Name: e5a8fa50f4e5e5c24664452eda4af80904f75e5123b8f84353347dbd505d416d
 2020-12-14 13:52:03 +00:00
drh
250af6e0fb More test cases. No new problems discovered. 
FossilOrigin-Name: f34dd67e2d0dfc9e3b5d49148fb0162853119c097cbc3fe961878875ba98d8e3
 2020-12-12 00:43:52 +00:00
drh
255c1c159b New test cases with corresponding bug fixes. 
FossilOrigin-Name: f22c21a94ca4cad0217f91c1a5a275bc348cb6ba0f3a54c927533bc8d8c96a90
 2020-12-12 00:28:15 +00:00
drh
58b18a47df Begin adding test cases. Fix one bug found so far. More are pending. 
FossilOrigin-Name: aadd67ddf2a191629b5356395f75e4556aac904a6e2f6b83742fa4f26e4253a4
 2020-12-11 19:36:19 +00:00
dan
855aed19e2 Fix an assert() broken by recent changes to vacuum. 
FossilOrigin-Name: dd058da85ca54ae70e26cb0bdc75ff42998d4a8b29a5e2dcac44ee0e45776a85
 2020-12-11 19:01:24 +00:00
drh
d3e21a1098 Small performance tweaks. 
FossilOrigin-Name: 5321d60c575ef8f888d1b315df02cf9ed96a3ffc61babbc1429aa73b2a61a190
 2020-12-11 17:11:56 +00:00
drh
ed4c54699d Bug fixes so that legacy tests pass. New tests for new functionality have 
not yet been added.

FossilOrigin-Name: aa76790e58cea9a2b707f5912fd66c76545e7417442553fc13c87f773a2fe1dd
 2020-12-11 16:49:51 +00:00
dan
7710878333 Add an "#ifndef SQLITE_AMALGAMATION" block around the typedef for u64 in shathree.c. 
FossilOrigin-Name: b411f29e1a6415f4a241777c45591b8389e746cd8b40d9b225e073bcb0a3bdbf
 2020-12-11 16:03:19 +00:00
drh
d0a0538229 Fix the configure script on the autoconf distribution so that the 
--disable-threadsafe option works.  See
[https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=244459|FreeBSD bug 244459].

FossilOrigin-Name: e64ff2cce3c03ba27c3bf410948ece1424113e727870015eb3806b75d0d21f94
 2020-12-11 14:34:58 +00:00
dan
69871baa15 Fix the expert extension so that it handles generated columns correctly. 
FossilOrigin-Name: c2ae7ba6f8f4b10bd734051a0cfa8ed9675bd58c82ede4e9eadfd7cbcc03b82d
 2020-12-11 14:22:44 +00:00
drh
61e280ad8a Logic is in place to handle multiple ON CONFLICT clauses, but it does not work. 
Any use of ON CONFLICT will likely lead to memory faults.  This is an
incremental check-in to save my place.

FossilOrigin-Name: 155142314feb007d526f8f67723636fd50dc52d1cd4d3a67dd93b105c9d5c2be
 2020-12-11 01:17:06 +00:00
drh
daf2761c62 Use an iterator for the index loop in sqlite3GenerateConstraintChecks(). 
The idea is that this iterator can be enhanced to traverse the indexes in
any order, as required by multi-index UPSERT.

FossilOrigin-Name: 64a4a91ecc5dcde3fa07d3cf038c74b9ede63d36628ecfb35203a9dfbbfe113c
 2020-12-10 20:31:25 +00:00
dan
9257ddbf87 Remove a redundant branch added by [56a54258560]. 
FossilOrigin-Name: b4d6f6d728738710249ad74236c31a1872fdff7dadabd4c4a67d05826eb5df9e
 2020-12-10 19:54:13 +00:00
dan
a64804b5e1 Changes to avoid loading large records into memory within VACUUM. 
FossilOrigin-Name: 56a54258560fab715b83967634b2bd4c04be43cded112b46e85da9f99ee02f7c
 2020-12-10 19:51:39 +00:00
dan
d2ffc9721e Fix minor issues with new code on this branch. 
FossilOrigin-Name: f7fa76d0963e7b34026dc20c920bfbf7961033fe2b99503f6857157595f86823
 2020-12-10 19:20:15 +00:00
dan
46a6b1a1be Merge trunk changes into this branch. 
FossilOrigin-Name: 7337eed629b4537b8fc2dc87c3c71d0a664128a91fd00f3c5f18843505beee90
 2020-12-10 18:07:01 +00:00
dan
7aae73588a Better integrate the changes on this branch with OP_Insert and OP_IdxInsert. 
FossilOrigin-Name: 101cef14910d6e865a94bc870aed599321b893188062a9a61d70a9434992cf23
 2020-12-10 18:06:24 +00:00
drh
70f3eda5be Add an optional function to the chsumvfs extension. When activated by 
the SQLITE_CKSUMVFS_INIT_FUNCNAME macro, this function will invoke the
file-control that sets the number of reserved bytes to 8.  This can be
used to initialize a cksumvfs database file by programming languages
that do not have access to the sqlite3_file_control() interface.

FossilOrigin-Name: 01841fb4bf3d6c5fd5bcbc7d1338998c50f69f84ca475fba7cf764d636714678
 2020-12-10 13:49:00 +00:00
drh
91f2717f22 The DO UPDATE code generator searches for the correct ON CONFLICT clause to 
use.

FossilOrigin-Name: a47e35ee2d901baaa37e7229d190f934e1b0bd3510147cd4a2a49c4a1411416a
 2020-12-10 12:49:26 +00:00
mistachkin
d97a4c008d Fix compilation issues with MSVC related to C99. 
FossilOrigin-Name: c0de6c1fb2c486be1da01e5e4ca8c5634ba37822e418d57f272e018c3e3fc0a2
 2020-12-09 23:35:51 +00:00
dan
cd1b2d0b54 Transfer large index or WITHOUT ROWID records between b-trees when vacuuming without loading them into memory. 
FossilOrigin-Name: dfd4ca6891a893d0e9551689954d3e79114d5565f8a5264f96ad1d64fe1d6280
 2020-12-09 20:33:51 +00:00
drh
e84ad92f17 For upsert, the constraint check code generator uses a copy of the index list 
for the target table, which can potentially be reordered.

FossilOrigin-Name: 3194c00c2c6a32bdfd5acc9fda5b38ae131d20cd3b7aea8512a41b2e76808f6a
 2020-12-09 20:30:47 +00:00
dan
1418b9daf6 Add tests for a 'delete' command on a contentless table where values that weren't actually inserted are NULL. 
FossilOrigin-Name: 818c647cec7063b33b6c5de3e23599a1d61439fa6e9bf6c974b2522a5a9e1b44
 2020-12-09 16:49:28 +00:00
dan
ebbf36878c Avoid loading large intkey rows when VACUUMing, even if the page-size is changing. 
FossilOrigin-Name: 0d2c3776065dc94119899ae4164995193b82fca7ac31868f3141b729d0b65ab9
 2020-12-09 16:32:11 +00:00
drh
5602777e8f Improved comments in sqliteInt.h. No changes to code. 
FossilOrigin-Name: 8ccb8d1d55fa5aaf625c30f0e7c10aa403d79b5574dbdfa3fd0271a4e546f7e3
 2020-12-09 13:11:02 +00:00
drh
20b86324a1 Initialize all terms in the ON CONFLICT clause stack. 
FossilOrigin-Name: 5e683fd1cbde53f37cf8a2b1e981191e2b29e3376db554691767f33c37c7547e
 2020-12-09 01:34:48 +00:00
dan
036e0675e6 Experimental changes to vacuum to avoid loading large records entirely into memory. Currently only works in limited cases only - for rowid tables when the page-size does not change. 
FossilOrigin-Name: c90e063ca9ddcdd1e9f1a2e25a3f7d6e7ee798373ad8acf65b90536b0a124c0d
 2020-12-08 20:19:07 +00:00
drh
2549e4cc2f Enhance UPSERT parsing to allow multiple ON CONFLICT clauses. Only the 
very last clause may omit the conflict target, but the conflict target may
now be omitted for the DO UPDATE resolution.

FossilOrigin-Name: 2ca62f4c71df6544cb8039bdc80e3701d09697c38800534371f6d44532fcffae
 2020-12-08 14:29:03 +00:00
drh
0dffe465f7 Fix a bad assert() in math1Func(). 
FossilOrigin-Name: 4b286129138d44e6f8e9b3450289941e01d20fdfb9d0b5d846031425e8ca6b49
 2020-12-07 23:14:25 +00:00
drh
e2ce8c446f Fix to the --disable-math option to ./configure. 
FossilOrigin-Name: 99ff6418492adcbaf2be728737735afa1c2997de5868395e69c53d08fc14491f
 2020-12-07 21:19:17 +00:00
drh
63f8f98a63 Many more math functions. Semantics follows PG wherever possible. 
FossilOrigin-Name: 6b93627b5d9819abf179a3e4a82e7afe17cbcafdabbd5f058de9ed114c9d477f
 2020-12-07 21:13:06 +00:00
drh
f6e904bd92 Begin adding new SQL functions that depend on -lm: ceil(), ceiling(), 
floor(), ln(), log(), and log10() so far.  More to follow.

FossilOrigin-Name: 4db5f2f7875f6df78630a7816fc018141a6eee2e295b44fc7627eb66d07881ea
 2020-12-07 17:15:32 +00:00
drh
aeb6bc5628 Fix harmless compiler warnings associated with the recent FTS5 enhancements. 
FossilOrigin-Name: 1db7c751912beb57a697ac8e85b9c29e30da7b6c89207e9828bf08e56c58242f
 2020-12-04 17:05:16 +00:00
drh
0a2fb7960c Fix a bug in the ".eqp" command of the shell that was introduced by the 
recent sqlite3SelectTrace/SQLITE_TESTCTRL_TRACEFLAGS changes.

FossilOrigin-Name: fd02dffceb0e21cd85c99d5481ab8567110d01c30ea701178547f32299944302
 2020-12-04 16:58:20 +00:00
dan
b9ceb833f7 Ensure that fts5 function matchinfo() is registered before running tests that use it in fts5corrupt3.test. 
FossilOrigin-Name: 932e05e093192991589e70c2cbcc8a57fb3dcc6df1c2673962bfd06ba5cfdd97
 2020-12-04 16:49:25 +00:00
dan
ee8221859b Fix a test script problem in walvfs.test. 
FossilOrigin-Name: 4c5076fbe42cc6447c47bfc202501f945f78bd716cbe8e33599c67b7d0956611
 2020-12-04 16:26:25 +00:00
drh
7b0ab21016 Fix an incorrect datatype no the sqlite3WhereTrace variable in test1.c. 
FossilOrigin-Name: 4e6dab30f6d6795ecec9d8c4489fa4d210a3002715ad89812d65a1a846c164b9
 2020-12-04 16:25:59 +00:00
drh
0a3e80b051 Eliminate the sqlite3_unsupported_selecttrace global variable by creating 
a new test-control to control SELECT tracing.  Note that SELECT tracing is
only available on debug builds.

FossilOrigin-Name: fb07c4e3c7ad3493c274cbfcf0dffdedcca18c0d90de04459134511d4e2a5277
 2020-12-04 16:09:27 +00:00
drh
fda8e49207 Further changes to the trace variables to try to eliminate (harmless) compiler 
warnings in all configurations.

FossilOrigin-Name: 3a4c98b989964e3e366fe9519e9b5ed935e893d5b69d92bc0388a14c7e7938e6
 2020-12-04 16:04:45 +00:00
drh
c0622a4d03 Alternative implementation of ".selecttrace" and ".wheretrace" that uses 
a test-control rather than global variables.

FossilOrigin-Name: d36d6f2923a2393c751c0ac7634433453be20df7567fd914e57cbb1ae15f68b2
 2020-12-04 01:17:57 +00:00
dan
3190b88e75 When merging prefix lists in fts5, use 16-way merges instead of 2-way merges. This faster. 
FossilOrigin-Name: 026a93508ec392ca5cd2578ae9eab64974f58beccda088e10d4cc951f237632f
 2020-12-03 21:22:37 +00:00
drh
1de03abb03 Do not simulate OOM faults on the SQLITE_FCNTL_CKPT_START and 
SQLITE_FCNTL_CKPT_DONE file-controls, as those are write-only and
the return value is always ignored.

FossilOrigin-Name: 62a2d394835276fabc0f1df2302605a700b2244775bf2e35e86529df8e40a0da
 2020-12-03 19:25:06 +00:00
drh
0b1e70c4ce Enhance the generate_series() table-valued function to support negative 
step values.

FossilOrigin-Name: 9b60fc48706bb77b2d4fe27a7b5834a6dc229b4051a9285032da578e4f2849e6
 2020-12-03 14:21:26 +00:00
mistachkin
4338000d47 Prevent potential segfault in the sqlite-expert idxPopulateStat1 context cleanup code. 
FossilOrigin-Name: c24f13448b5a55f45b4d4786a878fa73fe3395b5724f3bc2eea22e5e2b074353
 2020-12-02 20:07:49 +00:00
dan
64f1ef6abd Allow a search for an N character prefix in fts5 to use a prefix index of size N+1, if no prefix index of size N exists. 
FossilOrigin-Name: 78a7801d8fc9e58a62e5168e35b52b7440340549123fc6a537e2abd571f6fe7b
 2020-12-02 19:08:15 +00:00
drh
f30bbcec90 Fix the ".open" command in the CLI so that it accepts command-line options 
both before and after the filename.

FossilOrigin-Name: d330bf0c02e67f70f49496e4b1e484bb4e876622becc6a062b2aefbd585d0117
 2020-12-02 18:27:48 +00:00
dan
0fa433b40c Improve performance for fts5 column filters that filter for more than one column. e.g. "{col1 col2 col3}:phrase". 
FossilOrigin-Name: d8de2f236d43a88fac7550a0451951dd5a945eb304e32f82e662479cea7c2684
 2020-12-02 16:23:05 +00:00
drh
bb497fe36d Parameterize the hash function in mkkeywordhash.c. This was an attempt to 
find a better hash function, which turned out to not be successful.

FossilOrigin-Name: 2195d731f51a18f917c4299d8f4c7ee7c139c2527f62869d6da171a6d1d89ea6
 2020-12-02 02:58:05 +00:00
drh
636f505864 Increase the version number to 3.35.0 to begin the next development cycle. 
FossilOrigin-Name: edbabaa30823db7c7d169cb93722b5f74bc711359984fb7e139ca9d10fe7dae4
 2020-12-02 00:22:09 +00:00
drh
c52a1e9f35 Slightly faster tokenization of non-keyword identifiers. 
FossilOrigin-Name: 55fa22bd403cc8f0973efea898a7cfa3a32b57c7e2a7a4c30c3f2c72d5396f07
 2020-12-02 00:20:00 +00:00
drh
f461bab265 Add the --lookaside SIZE COUNT command-line option to the dbfuzz2 testing tool. 
FossilOrigin-Name: 2466960c0ba02ef9c325e9a5f8603db518e7529547f614c225fef430421e1643
 2020-12-01 23:18:13 +00:00
drh
384f5c26f4 Version 3.34.0 
FossilOrigin-Name: a26b6597e3ae272231b96f9982c3bcc17ddec2f2b6eb4df06a224b91089fed5b
 2020-12-01 16:14:00 +00:00
dan
9f4fb42730 Update the tea/win/makefile.vc file that ships as part of the autoconf package to use "sqlite3" instead of "tclsqlite3" for the installed dll filename. 
FossilOrigin-Name: 23212b1a054f05773a9f69f9802035eea6a9d759a2a09e22f46d1046c058b417
 2020-11-30 18:52:08 +00:00
dan
aeb4e6eebd Update the tea/win/makefile.vc file that ships as part of the autoconf package to use "sqlite3" instead of "tclsqlite3" for the installed dll filename. 
FossilOrigin-Name: 93d4d9dc05bb86c08a12d56b3ce68ec39b69e57951a936fb3b326812c051c3b4
 2020-11-30 18:43:40 +00:00
drh
56a5747e63 Do not reuse the obsolete SQLITE_TESTCTRL_PRNG_RESET value for 
SQLITE_TESTCTRL_SEEK_COUNT.  Give SEEK_COUNT its own unique value.
This avoids incompatibility with legacy test code.

FossilOrigin-Name: fdba0b129091d607dc0c1aa52f8631a208dbff22476a298bd5428e672593ed18
 2020-11-30 14:20:17 +00:00
drh
d1032f952c Improve the speed of the tokenizer by recognizing that tokens starting 
with letters "_", "Y", or "Z" can never be SQL keywords and must be ordinary
identifiers.

FossilOrigin-Name: 16e281ed6219cc229dec7e3f1b40da2304dc270a74fd6ef78d04a088e30e7026
 2020-11-27 20:56:16 +00:00
dan
cad760d16e Fix a compiler warning in fts5_aux.c. 
FossilOrigin-Name: 8edb983bc87898eff2cd2e7e672a32a47c71b2be9d818513d339e95560d45b2b
 2020-11-27 19:40:13 +00:00
dan
6d19bf9460 Add missing cast to fts5 bm25() code. 
FossilOrigin-Name: 6ff9673847c0b4174d9435e93d19af0ee7406b1a12edeb6edec98697e1646824
 2020-11-27 16:15:55 +00:00
dan
3181706895 Remove a redundant "if( rc==SQLITE_OK )" from the fts5 bm25() code. 
FossilOrigin-Name: d85f4f27f58adcc75fc7d59e63af95b2a338052d8748a11f22ec1e48d1aff4cc
 2020-11-27 16:08:15 +00:00
dan
66efc393c5 Move an "if( rc==SQLITE_OK )" to outside a loop body in the fts5 bm25() code. 
FossilOrigin-Name: 14a4dcf3474566d072007a37d214c892397c21dd3b7f8b55ad0e5edfb7130dd6
 2020-11-27 16:05:31 +00:00
dan
1c5b23f170 Fix a case in the FTS5 integrity check where a corrupt database could cause a buffer overread. 
FossilOrigin-Name: a32b4f650d2d543bd2773cbc8655c1679a20b35ac9ec4d08c7754ddf6d972acb
 2020-11-27 15:28:26 +00:00
dan
ec8962869a Update mkunicode.tcl to match the change erroneously made to machine generated file fts5_unicode2.c in [b7b7bde9]. 
FossilOrigin-Name: 326d579d777fdede6bc64f9525248767f4730de4e50260b0387e614a9d006416
 2020-11-26 20:13:54 +00:00
drh
68b4034450 Update a requirement mark in the e_expr.test script. 
FossilOrigin-Name: bb174a074b5833181900d396edda955254ea1768750a0ab3b6d714530b1fe13f
 2020-11-25 18:44:20 +00:00
drh
d36f588f31 Fix harmless compiler warnings about unused function parameters. 
FossilOrigin-Name: 25d067c270966d9506db8bedf280883e32b69050b14bdbbeda4bb2d9a362619c
 2020-11-25 16:28:04 +00:00
drh
3ef2cb5991 Fix a potential NULL pointer dereference in the geopoly_overlap() routine 
of the GeoPoly extension.

FossilOrigin-Name: b5665712e667a20d42a2e892d9d540f4273609eabd56f8178e1d5664280821f3
 2020-11-25 15:29:08 +00:00
drh
f82d78e9c2 Fix the shell1.test test script so that it works on windows. 
FossilOrigin-Name: 9bd15b07e58b1811c2a368ec76059ac683a2c35b163ef4bba01ccb8b7ca7288d
 2020-11-25 14:50:42 +00:00
drh
b7c46aa8c9 Change the -init option to the command-line shell to honor the -bail option. 
Also change it to report an error if the filename mentioned cannot be
opened.

FossilOrigin-Name: a29f54bd2c032374d7235bb1f9d4c04c094611bbc7d274b7b92722b5b802050c
 2020-11-25 13:59:47 +00:00
drh
f862b55a56 Fix a typo in the sqlite3_txn_state() documentation. 
FossilOrigin-Name: 5b4325295b2f17b7a4eaa2d3a30d06a24801992b3aa17c7d57e015f9f395fb95
 2020-11-24 23:40:48 +00:00
drh
4989a530a1 Add the new sqlite3_txn_state() interface to the set of routines accessible 
by run-time loadables extensions.

FossilOrigin-Name: db25f1dc8eb8b8bd45912e9b457d4cc32687bc4f709ce1878e9b4ccedbb18af9
 2020-11-24 21:19:23 +00:00
drh
a7fc1686e4 Fix a harmless typo in a comment. 
FossilOrigin-Name: b2a201f1b5dc2fc94b360df4807c108fac47db2399edd8763efbdd66b71ffe5f
 2020-11-24 19:55:49 +00:00
dan
f5c3a75b63 Fix a bug in OOM handling code introduced by [6a28713d]. 
FossilOrigin-Name: 8a786ce99491401dd7660e54f1a1ba3b2300cecbe180b1a31e549ff5f5b77bdc
 2020-11-24 17:55:34 +00:00
dan
2e3cb1382f Ensure that super-journal and other journal filenames passed by SQLite to an sqlite3_vfs.xOpen() implementation may be safely passed to sqlite3_uri_parameter() and similar functions. 
FossilOrigin-Name: 6a28713d59cde0882c3508160347c2ea18c7c4e9bfd1b053103af2d5e12a144c
 2020-11-24 16:44:09 +00:00
drh
ef5b2d27b7 Remove the VERSION_NUMBER macro from configure.ac as it has been unused 
since 2009 check-in [7f4810747b086498].  See also
[forum:/forumpost/bb2c634fcd|forum post bb2c634fcd].

FossilOrigin-Name: 5466dd55d4aa15fd96f00b6e205dfb868879357a476df7ffd29b97bb570629a5
 2020-11-24 13:14:15 +00:00
drh
de9873bb0a Syntactic changes to work around a bug in gcov 9.3.0. No changes to the 
generated code for release builds.

FossilOrigin-Name: 4f1573b146193e5d552981a9d1d11e50da4da4a843f790e4af1cf0cc19a0b020
 2020-11-23 21:05:29 +00:00
drh
d46beb06aa In os_unix.c, put ALWAYS() on unreachable branches associated with pathname 
normalization.

FossilOrigin-Name: b45a08e3c7edfa76b699d3e29f28daa5bd08039668ec57121e4e85edf36150f1
 2020-11-23 17:36:06 +00:00
dan
39acaec16c Fix a test script problem causing crash8.test to fail when run with leak-sanitizer. 
FossilOrigin-Name: 2c437f7a2c87129d00c71fa569315b68e0ba9514041d93503350c9ae9f080f17
 2020-11-23 15:30:16 +00:00
drh
1335ec7df7 Allow "substring()" as an alias for "substr()" for compatibility with other 
SQL engines.

FossilOrigin-Name: aa2ee5754c9f8378c4d490ca756a6415042904477727f0d86e9c0190b5e8b275
 2020-11-23 14:50:43 +00:00
dan
6a5e21149b Add file doc/vdbesort-memory.md, containing notes on the way vdbesort.c uses heap memory. 
FossilOrigin-Name: 07f53899a929cce93f17c0332819610c9517c7e54e00092af20efd746cf84438
 2020-11-20 14:16:41 +00:00
drh
6fc74a4454 The xFullPathname method of the unix VFS now normalizes the filenames by 
omitting surplus "/", "/./" and "/../" strings.

FossilOrigin-Name: c38dec6f52c01614c1bee8356daf0fcd9f708d029116e9bff51e06719a730dde
 2020-11-19 21:12:08 +00:00
drh
e5dc4a2097 More test case changes so that shared-cache mode tests all work 
with normalized database names.

FossilOrigin-Name: 6f0d5f0949130a4688319adf05d37c5ccd683ca9ad2dacb7ce433a5fe18ac3c3
 2020-11-19 21:01:11 +00:00
drh
f4097026ef Fix the tkt3793 test case so that work even when filenames are normalized. 
FossilOrigin-Name: e85d32ac6c82d39f5dc9b28f881d5d72f5e5a7e16df12c19315bfa8edea1b0b4
 2020-11-19 20:07:24 +00:00
drh
5dc18e33ae Use an ephemeral table rather than a RowSet to remember rowids in the 
two-pass UPDATE algorithm, as this uses much less memory for large UPDATEs.

FossilOrigin-Name: 842c432772e6cd8464cdb7bfdb38789adeea9aa9e0486d4034cc9841f085f517
 2020-11-19 19:43:46 +00:00
drh
02e4b7d7df If a read() or pread() indicates that the database file is unreadable due to 
filesystem damage, then it returns SQLITE_IOERR_CORRUPTFS which is then
converted into SQLITE_CORRUPT before being returned to the application.

FossilOrigin-Name: 849e4e14fd06eda512381f5f8aa65f75ad0a955e835da7c63526a53cf5e8f4dc
 2020-11-18 23:44:41 +00:00
drh
f56a4bfcd1 Improvements to the mechanism that attempts to report SQLITE_CORRUPT if 
pread() says that the underlying filesystem is corrupt.

FossilOrigin-Name: b887c7504e7edeba758f3c1203c6cc56eef499fe05e7e6c6d82939bf7d78c57f
 2020-11-18 21:50:05 +00:00
dan
8ea11095c9 Update cksumvfs.c so that if SQLITE_AMALGAMATION is defined, SQLITE_CKSUMVFS_STATIC is implied. 
FossilOrigin-Name: 184e9d782dfbad8011b5b0043b3fd8e5a369ed7076e37e14b301483ce5ffe5db
 2020-11-18 20:55:01 +00:00
dan
c30b78f6f3 Add test infrastructure for cksumvfs. And update cksumvfs so that it works in concert with version 2 VFSs. No changes to core SQLite. 
FossilOrigin-Name: 43d4801df5dc4625f6829ed8246758493842b2416ba609ee0423ef63155cece2
 2020-11-18 18:36:43 +00:00
dan
8bb3961d40 Fix a problem causing sqlite3_carray_bind() to return an undefined value. 
FossilOrigin-Name: 083203a549d3cf26991d8626b308ff1e9e44be6abb72ab3d38e5fd53c99aed7f
 2020-11-18 14:30:53 +00:00
dan
5011bb8dd2 Update test code to fix a problem with SQLITE_OMIT_VIRTUAL_TABLE builds. 
FossilOrigin-Name: 29c779a07bf6ede1ec2cdb4695d801a5c113ab4b12d6cd22bcee8d2adb06891e
 2020-11-18 14:12:20 +00:00
drh
5a07d10fd1 On unix, for certain error codes of read()/pread() return 
SQLITE_IOERR_CORRUPTFS instead of SQLITE_IOERR_READ.  And then convert this
error into SQLITE_CORRUPT prior to returning back to the application.

FossilOrigin-Name: 9538ea8447e7b07c05197d6ff2208d3e97b45798736c85b63e8f0c7a3a98c1f3
 2020-11-18 12:48:48 +00:00
drh
32881bebbe Claw back most of the performance lost in the previous commit. 
FossilOrigin-Name: df8ce2675b070fcdc338918e7652a26ffc90439fe399ceac206fadf8a93a681f
 2020-11-17 21:26:13 +00:00
dan
aff1a57f4d Fix trivial memory leaks in the shell and sqldiff programs. 
FossilOrigin-Name: 272793e5edc47e431be77d589718a001f2696869e3e15f1371a1890645a995a7
 2020-11-17 21:09:56 +00:00
dan
12c9994659 Fix test file busy2.test so that it works with the "inmemory_journal" permutation. 
FossilOrigin-Name: b192fdddb63ac56fd6725032af110a069baac52347c0012c130bf34f3cbe69e4
 2020-11-17 18:25:48 +00:00
drh
ea847f1b94 Add a single-argument form to the CARRAY table-valued function, with 
content bound using the sqlite3_carray_bind() interface that is included
with the extension.

FossilOrigin-Name: 7b229cb1202be203a87b8f47d284313f357deb1e6dfeb94bba7b46744c33512e
 2020-11-17 14:41:37 +00:00
drh
7f42dcd901 Enhance the unix VFS so that it removes extra "/", "/./" and "/../" from 
the database filename.

FossilOrigin-Name: 7ba89d3e5c68d970ed26c2ec6e6e34bae535c2cc0b22a022d20ac9ff4527b8ab
 2020-11-16 18:45:21 +00:00
drh
ea2487200f Modify UPDATE so that two-pass updates on a rowid table use an ephemeral 
table to store rowids rather than a RowSet.  This uses less memory, though
it is slower.

FossilOrigin-Name: 4673096dd8c5ed7aed098ff518a6d01d35c40fad991b89fddd91c19a727a4308
 2020-11-14 20:03:34 +00:00
drh
b035b87ef8 Improved diagnostics output with ".wheretrace 0x800". No changes to 
non-debug builds.

FossilOrigin-Name: 772ae83c61c87a9004a614d8ec120ba843286bff1edbd20b987fd592ced84d79
 2020-11-12 18:16:01 +00:00
drh
75e6bbbeca Fix a typo in a comment. No changes to code. 
FossilOrigin-Name: 572f1ed59d29e74f810c74ef9e72ebc94c2d3e04befc03a1f88034f04a9c60a8
 2020-11-11 19:11:44 +00:00
drh
235667a858 Use NEVER and ALWAYS macros to confirm that the return value from 
sqlite3ExprSkipCollateAndLikely() is never NULL in some of its use cases.

FossilOrigin-Name: 76d2eb86e109fc3cbdba2e8175c22ed7660b59bb9315f6c55c565587f33ad43b
 2020-11-08 20:44:30 +00:00
drh
78043e891a Add ALWAYS() to conditionals associated with SHM locking that are always true. 
FossilOrigin-Name: b599e89076d60afede7d2b3503b9338ca863d0c2d25799afe4080a6186386ea9
 2020-11-06 16:48:55 +00:00
drh
4e451aad54 Suppress errors associated with TEMP triggers that reference objects in 
non-TEMP databases.  This is a continuation of the fix for ticket #3810
shown in check-in [ba1afc040171810d]
from [/timeline?c=trunk:200908061743|2009-08-06], based on a bug report in
[forum:/forumpost/157dc791df|forum post 157dc791df]

FossilOrigin-Name: 991ca9b26bacd8f6b64498057fe28f2068466a220f372fd365b6685f583f0e92
 2020-11-05 19:13:44 +00:00
drh
114cb01796 Remove unused variable from speedtest1.c 
FossilOrigin-Name: c0a18565e614021b74646de7efd11d3d46894ef9132fb26787ab0269dc6a647c
 2020-11-05 14:50:21 +00:00
drh
6d5ab2a1d6 Fix an another OSS-Fuzz discovered assertion fault due to ALTER TABLE and 
strange triggers.

FossilOrigin-Name: 6646d7898ca1d2f71ec906d9613fbfc5c59c6cf05f053529e6e32ab826d1cb78
 2020-11-02 00:40:05 +00:00
drh
2fa7818571 Add the -tabs command-line option to the CLI. 
FossilOrigin-Name: 7d01e84dc49074e6364267eea9fd20d46a457d2498121a0f218fbf482692392d
 2020-10-31 18:58:37 +00:00
dan
7a39faecc2 Update the ALTER TABLE command to correctly handle UPDATE ... FROM statements within trigger programs. 
FossilOrigin-Name: 3e6af890406b58da1c4aebec4d483be7ab0fdb589ef7a4c4e987d6bde18d6b97
 2020-10-31 16:33:01 +00:00
drh
ed7974dee5 Always create a statement journal when using the OP_ParseSchema opcode, 
as you never know when it might fail.  See the discussion on
[forum:/forumpost/daa2c728cc|forum post daa2c728cc].

FossilOrigin-Name: aa512f72cf5adfece6299db17bd122aeff0cdee2a25f83f60e2ebb05e99c9591
 2020-10-26 18:14:12 +00:00
dan
19f7bd3b07 Ensure that the table argument passed to Tcl_GetIndexFromObjStruct() in the sessions module test code is declared "static". 
FossilOrigin-Name: 80eba105d6d1b49ba8ca2ad4e14ddec2de0bdc2f6686c2f8a1c1d24fc1fe846f
 2020-10-26 16:22:31 +00:00
dan
d1d43efa4f Prevent fts5 tokenizer unicode61 from considering '\0' to be a token characters, even if other characters of class "Cc" are. 
FossilOrigin-Name: b7b7bde9b7a03665e3691c6d51118965f216d2dfb1617f138b9f9e60e418ed2f
 2020-10-26 13:24:36 +00:00
drh
beb22d086b Minor tweaks to query planning weights so that when STAT4 is enabled 
and functioning, a full table scan is more likely to be selected if
that seems like the fastest solution.  Only do this when STAT4 info
is available because an error has a large potential downside.

FossilOrigin-Name: 0e7e113d9f2c929c1f8a85e2cfad8e2e60f0e8770212b5e5320fb2a2c42911f8
 2020-10-22 18:50:30 +00:00
drh
461ff3594b Test case updates. 
FossilOrigin-Name: 27c681c9c6672ad7098d8ff2c41e76d3e9e55866b6327ed85e73f63bd623ceed
 2020-10-22 18:16:17 +00:00
drh
403869680b Sometimes it makes sense to do a full table scan rather than try to use 
an index when most of the rows will be selected.  This branch is trying to
tune the query planner to make that happen more often.

FossilOrigin-Name: 0f42099ad65855c94af8472f3a6fddac7fc2a82e8fdfcc06a298eb6683a28688
 2020-10-22 15:47:48 +00:00
drh
672f07c642 Fix the sqlite3_hard_heap_limit() so that it works with sqlite3_realloc64() 
in addition to sqlite3_malloc64().  Improvements to OOM processing and
debugging aids in the fuzzcheck utility.

FossilOrigin-Name: 602d7369166d406a26834aa47d71d565a17d377d32e41f308821a50b41f91896
 2020-10-20 14:40:53 +00:00
drh
1a56fce614 Fix an assert() inside of debug-only code that can fail following an OOM. 
FossilOrigin-Name: 79da254f41a0d7d5fdc57f0cc40b3560bfcf7f79eed24a9fada1b6b4ca3adb5a
 2020-10-20 12:37:51 +00:00
drh
94d6f3f836 Fix an incorrect table ref-count in the new recursive CTE logic that might 
result in a reference to freed memory following a syntax error.

FossilOrigin-Name: 75a0288871ccb2a69a636cbb328fe19045a0d0ef96a193ecd118b9a196784d2d
 2020-10-19 20:49:54 +00:00
drh
787f6d418d Enhance recursive common table expressions to support two or more 
recursive terms.

FossilOrigin-Name: 77e64647ec429c6e0d884abbd00dabebe738f89544a4984d6fd7a702b928ccfd
 2020-10-19 12:35:08 +00:00
drh
07d7a8dca9 New test cases for recursive CTEs with multiple recursive terms. 
FossilOrigin-Name: cd5182bd6f5969ba0812275f471224908296960358013327cebbe0c52b820f04
 2020-10-19 01:44:43 +00:00
drh
340558540e Allow multiple recursive terms in the compound SELECT of a recursive CTE. 
This facilitates writing a query to find find the connected components of
an undirected graph.

FossilOrigin-Name: 5481fa8c79c34f434e99ab633ff3d0942a309a74fb0cf38e3d3617b51d5d21dd
 2020-10-19 01:23:48 +00:00
mistachkin
a00a016740 Fix harmless compiler warnings. 
FossilOrigin-Name: 7f8802bb7be61fdf7c7a591945d533d848bc46d2989f7739dd9ad89e1b6a9c65
 2020-10-18 18:35:34 +00:00
drh
ff01ee34c9 Fix the SQLITE_DESERIALIZE_FREEONCLOSE flag so that it works as it is 
documented to work.
See [forum:/forumpost/ba1dff667a|forum post ba1dff667a]

FossilOrigin-Name: d6fac8a1d3efeb2c4f03dae437b5b314765c93770a70603803a8039291dbcabb
 2020-10-17 22:13:16 +00:00
drh
e93986a93b Fix an incorrect printf() in debugging logic in where.c. 
Problem reported [forum:/info/80a9c47769772207|by forum post 80a9c47769772207].

FossilOrigin-Name: 883da4dadc88809192e4ed2f753f8883471fb43aa330bc58b017c66e1acedc6c
 2020-10-17 19:09:04 +00:00
drh
71cb422055 Minor fixes to the cksumvfs documentation in the header comment of the source 
file.  Enhance speedtest1.c so that it can more easily do performance
comparisons of cksumvfs.

FossilOrigin-Name: ed3bb818f58b75c087f2875331ec944397b6c61a5b14d8af4b9ec6f376bd1872
 2020-10-15 17:59:38 +00:00
drh
f8c4c3a09f The windows VFS accepts query parameter "exclusive=true" to cause it to 
take a mandatory file lock, preventing other applications from even
reading the file.

FossilOrigin-Name: 05b573fdb27abec7d75aa1375325d45043cfd674f5b346fb341f001d7e04d160
 2020-10-15 14:37:27 +00:00
mistachkin
d5157e01b8 Enhancements to TclKit batch tool for MSVC. 
FossilOrigin-Name: 2a8a4552112be6e39e3475e9a8579582b5157086d3efd37971463c0e3958068d
 2020-10-14 21:31:20 +00:00
mistachkin
05881886a6 Fix typo in a documentation comment. 
FossilOrigin-Name: 462adc7d6b14de3862c2a3e57dba7efaf2ba9c104e1c127a5801a7b892059872
 2020-10-14 21:30:56 +00:00
drh
7207be402d Enhanced documentation for sqlite3_vtab_nochange() to make it clear that 
it is an optimization and that virtual table implementations should be
prepared for it to always return false.

FossilOrigin-Name: 3e2643619d122616663688533977d6c60d45a269b4e2bdc330fd3ee5d39f2e03
 2020-10-14 15:46:29 +00:00
dan
f6b0464e36 Fix some fts5 problems with signed integer overflow causing segfaults in -ftrapv builds. 
FossilOrigin-Name: 7e17c2f4b7dc9b563d0b4da949bb134dc7c4fc9c86ce03891432a884ca6409d5
 2020-10-12 18:09:16 +00:00
drh
c6712647c6 Improved quoting of the table name argument for the ".import" command 
of the CLI.  See [forum:34591fefbe|forum post 34591fefbe].

FossilOrigin-Name: ce97b56d63d6e03b909e049a0a62251d98c7bf643448193a28b42a5871899387
 2020-10-12 17:57:29 +00:00
drh
c196219dd4 Add options --data-only and --nosys to the ".dump" command in the CLI. 
FossilOrigin-Name: 57123b14a71027c21cb5eee089fcbc9330d07bf9091b01aecc4f9e3b9e4f7b09
 2020-10-12 16:54:28 +00:00
dan
936a30598e Fix ALTER TABLE so that it can run even if the schema contains unknown collation sequences. 
FossilOrigin-Name: bc4bb9433fed519386511796cce475d74100b8ed707cdbffd8cbdf683b0faf35
 2020-10-12 15:27:50 +00:00
drh
bbb29ecfb4 Add the --nosys option to the .schema command in the CLI. 
FossilOrigin-Name: b72ee694532c0c5d2285dd580154546eb592fd6892cad9ad7a49e98737adb974
 2020-10-12 14:56:47 +00:00
dan
4d906f1b5a Fix UPDATE FROM statements on virtual tables that are declared WITHOUT ROWID. 
FossilOrigin-Name: bcb0bc6a7b7006f07adb7266b1fecca39bf85a0adea6d78a341623a3546f2c2a
 2020-10-12 14:29:11 +00:00
drh
1ca037f41e Fix BEGIN IMMEDIATE and BEGIN EXCLUSIVE so that they work even if one or 
more of the database files in the connection are read-only.  Test cases
for this are in TH3.

FossilOrigin-Name: 2fa08c3963f008d4723c3f4f4496abcb6d4b575c85ba4a911a6aed5730b5948b
 2020-10-12 13:24:00 +00:00
drh
0897c3c056 In the CSV extension, use SQLITE_TRANSIENT rather than SQLITE_STATIC on 
return values that can in fact change.

FossilOrigin-Name: 54b54f02c66c5aeaa3504c52a04614e2fb4d7260da8367840d5ea5a71cdc2fda
 2020-10-07 11:24:45 +00:00
dan
f46be6a1b9 Allow fts5 trigram tables created with detail=column or detail=none to optimize LIKE and GLOB queries. Allow case-insensitive tables to optimize GLOB as well as LIKE. 
FossilOrigin-Name: 64782463be62b72b5cd0bfaa7c9b69aa487d807c5fe0e65a272080b7739fd21b
 2020-10-05 16:41:56 +00:00
dan
a344ad47f3 Do not apply affinities when creating entries for automatic indexes on views. Fix for [95302bdb]. 
FossilOrigin-Name: df12f097224ebc9473d9e2a8933bd7efed6490d09af2c012c9b59a7892369b7f
 2020-10-03 19:16:36 +00:00
dan
12a6a1eaf9 Fix a segfault caused by running "column LIKE NULL" against an fts5 table using the trigram tokenizer. Fix for [e33ee62575fc22]. 
FossilOrigin-Name: 6e72a08de764077f2bba6f7e3b99ea29001941671a971f2ccf7ceeb9c682fb1a
 2020-10-03 17:06:02 +00:00
dan
95dca8d0cf FTS5 does not handle tokens that contain embedded nul characters. Prevent the trigram tokenizer from returning such tokens. Fix for [2ba5930b2]. 
FossilOrigin-Name: b1d048748c054575425a4bebf0c5d09962f9329d5ce6a978cf54e508b238584c
 2020-10-03 14:36:06 +00:00
dan
7093a3be03 Fix some test code so that testfixture can build with SQLITE_OMIT_WAL defined. 
FossilOrigin-Name: dd009cd7aec3598e930806907601f4f0f9b0021ea99fa6c5e29e88f1246066ed
 2020-10-02 15:15:18 +00:00
drh
7d14ffe4e1 Additional corner-case fixes for the in-scan-vs-index or OP_SeekScan 
optimization.

FossilOrigin-Name: ad5ab24ebd557e7af1d92ab3fbcb3747c04da5ad4ed779fb6391dc94042687dd
 2020-10-02 13:48:57 +00:00
drh
64208b50ce Remove an incorrect assert() from the OP_SeekScan opcode. 
FossilOrigin-Name: c0400f8c0bcb85ba39004feff753eae2f8e82065539e52b5788febd7644c417b
 2020-10-02 12:49:06 +00:00
drh
9bb612f2c8 Fix a faulty assert() statement. Add new test cases. 
FossilOrigin-Name: 80ecdb3da4558bb08ee3ec6edbde906ad5b3b8182e672b5ba0d5dfa8041cee0a
 2020-10-02 12:42:51 +00:00
drh
04e70ce07d For the OP_SeekScan optimization, the OP_IdxGT does not necessarily come 
right after the OP_SeekGE.   So use the P2 operand of OP_SeekScan to point
to the first instruction after OP_IdxGT.  Problem found by dbsqlfuzz.

FossilOrigin-Name: 091d71939411bf2079098f09ddc0525f11f380119fd27114e2b3eec9a8ac0db4
 2020-10-02 11:55:07 +00:00
drh
4ad1a1c74c Disable the OP_SeekScan opcode of the in-scan-vs-index optimization when 
in PRAGMA reverse_unordered_selects mode, as the OP_SeekScan only works
with forwards scans.  Thanks to OSSFuzz for pointing out the problem to
us.

FossilOrigin-Name: c75c3a3b756635bfdab44e4b56a337e4a88af3a8803cd3e9a67abf3d0d3450dc
 2020-10-02 02:02:18 +00:00