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Author SHA1 Message Date
dan
6cbc5074e8 Avoid creating a master journal if all or all but one of the databases in the 
transaction is a temp file.

FossilOrigin-Name: 355d1232fd7314723afaa8d6b8b73506b09cbba1113a88b10204ba89be993508
 2017-11-17 08:20:10 +00:00
dan
cda185d3a2 Ensure that empty space on pages is zeroed before they are written to disk. 
This helps with compressed databases, and stops valgrind complaining about
uninitialized bytes and write().

FossilOrigin-Name: 5ffec5db33137251090d45e2ca7e3e7823e3215ae89822d905923424ceba2ac2
 2017-11-16 20:48:47 +00:00
drh
3dbb4acf07 Add a missing "finish_test" to the end of the stmtvtab1.test script. 
FossilOrigin-Name: e0b5c0585e8530bd516b340093a46d8e358a731facb78da22d3208633c852804
 2017-11-16 19:04:33 +00:00
drh
ef302e8a67 Futher improvements to the .testctrl interface in the shell. 
FossilOrigin-Name: 1ca3b8cce93e83fabe35c22cb726b8ce0883e0448afa3301ad0b53073055fa8d
 2017-11-15 19:14:08 +00:00
drh
35f51a4460 UI improvements on the .testctrl dot-command in the shell. 
FossilOrigin-Name: 5d66219c4706e11a9c2a1290224e7c17b19f74657e8239accfb4c6f6be6af9b5
 2017-11-15 17:07:22 +00:00
drh
8c0833fb21 In the parse tree, combine LIMIT and OFFSET into a single expression rooted 
on a TK_LIMIT node, for a small code size reduction and performance increase,
and a reduction in code complexity.

FossilOrigin-Name: 3925facd942c9df663f9b29b1e6f94f6be14af8c2b99eb691bfc836b4c220826
 2017-11-14 23:48:23 +00:00
drh
65efeaca83 Add the ability to read from read-only WAL-mode database files as long as 
the -wal and -shm files are present on disk.

FossilOrigin-Name: 00ec95fcd02bb415dabd7f25fee24856d45d6916c18b2728e97e9bb9b8322ba3
 2017-11-14 19:34:22 +00:00
dan
219a3e0b32 Fix the SQLITE_ENABLE_UPDATE_DELETE_LIMIT functionality so that it works with views and WITHOUT ROWID tables. 
FossilOrigin-Name: dae4a97a483bee1e6ac0271ddd28a0dffcebf7522edaf12eb5e0eba5fc62516a
 2017-11-14 17:06:37 +00:00
drh
8b17ac1919 Improvement to a comment. No changes to code. 
FossilOrigin-Name: 486949fc03706e0056439b52ce60931ea4ce0a65e391da7f6287fe13862de251
 2017-11-14 03:42:52 +00:00
drh
2e9b0923ac Remove some branches in walTryBeginRead() that were 
added by check-in [ce5d13c2de] but became unreachable with the addition
of logic in check-in [18b26843] that enabled read-only clients to parse
the WAL file into a heap-memory WAL-index, thus guaranteeing that the 
WAL-index header is always available.

FossilOrigin-Name: 9c6b38b9a96c11bdf9db4ea025720a4f49dcb723fa2e2776edc8453bce85c7e3
 2017-11-13 05:51:37 +00:00
drh
c05a063c68 In wal.c: improved comments, new assert() and testcase() macros, and 
replace some magic numbers with appropriate symbolic constants.

FossilOrigin-Name: 13ec8a77a47aa471af587459f4094da0d06674c5960f0d34777bcb3d38bc413b
 2017-11-11 20:11:01 +00:00
drh
870655bb9e Further comment improvements in wal.c. No code changes. 
FossilOrigin-Name: 346388007de585083dc67ad865b91db7c7d7b78c10a06f8bb7c48767c326c47e
 2017-11-11 13:30:44 +00:00
dan
3b61ebb8de Omit some extra code from non-SQLITE_ENABLE_UPDATE_DELETE_LIMIT builds. 
FossilOrigin-Name: 72be33f9c84de3ec4afc40549482417456ca82c1d16b473dc034b144055271e5
 2017-11-10 20:13:14 +00:00
drh
85bc6df2f1 Improved comments and variable names in the read-only WAL logic. 
FossilOrigin-Name: d3c25740eec9a2a41c29e6e488fcf6587c1fb821147a442c29439b25a92154a5
 2017-11-10 20:00:50 +00:00
dan
dc32b448d3 Add further tests for the code on this branch. 
FossilOrigin-Name: f8c4e33f4813e0c909064406b5cc17e2d465d8a48a50ede1d356b39479d3d669
 2017-11-10 17:47:54 +00:00
dan
ca3e3c3f1a Fix a problem involving "DELETE/UPDATE...LIMIT" statements that use an INDEXED 
BY clause.

FossilOrigin-Name: 09f94c2c8199b0d23a45cc062ca9561f9e5ddfcba117100e41889ce199d21bdb
 2017-11-10 16:14:26 +00:00
dan
26caf5bef1 Fix a problem with (DELETE...LIMIT) statements against WITHOUT ROWID tables 
with a single column PK.

FossilOrigin-Name: 35477a3dcceadf5dade8e036d5a2ce91b9ca83c4b85d309db233bdbcf538b1cc
 2017-11-10 15:42:21 +00:00
mistachkin
aca84e6a8b Fix harmless compiler warning seen with MSVC. 
FossilOrigin-Name: 3711ef2366af8fefccaaa0a6ee520ce6bc9c74a4fe0666f0a85ef96be46e02d3
 2017-11-10 12:41:21 +00:00
mistachkin
0e026f403b Avoid superfluous SHM unlock call in the Win32 VFS. 
FossilOrigin-Name: 5a384be6979b783d1f3af2ac6307e7e731c415d052f9405f04c0216f59414633
 2017-11-09 23:24:29 +00:00
mistachkin
10813713ba Cleanup superfluous whitespace changes. 
FossilOrigin-Name: a2908e2c88f7a30638a7e791fc7ad0325b663097c12cecd1f4726b0d60a9a3ed
 2017-11-09 22:25:58 +00:00
mistachkin
7b7f224c62 Revise and vastly simplify the Win32 SHM file locking semantics, allowing all new tests to pass. 
FossilOrigin-Name: d0997b0f5bc9a9869684e39a17a01c430d6383c8b31d6c00ea17a5eac15bc6f0
 2017-11-09 22:23:50 +00:00
mistachkin
95a05aae67 Add an assert() in the Win32 VFS. 
FossilOrigin-Name: 22e58330461736ca22d6f4d7eab897a3597de2e7434a6f4a474f0f0d7f964281
 2017-11-09 20:37:37 +00:00
dan
e941877806 Enhance walro2.test to better ensure that readonly_shm clients are not using 
invalid *-shm files.

FossilOrigin-Name: ff630b66714b20c09888ead0a45f344d63e0d9a5208867d6266e74f79187076c
 2017-11-09 20:34:35 +00:00
mistachkin
bcb416a9ff Get read-only SHM file tests passing on Win32. 
FossilOrigin-Name: abef05353554e72f4d08aff562b87ff8530e8537a79e58d831205ea8c46eed07
 2017-11-09 20:02:44 +00:00
dan
b3c16b899b Add SQLITE_ENABLE_UPDATE_DELETE_LIMIT for views and WITHOUT ROWID tables. 
FossilOrigin-Name: 584b88aaf89ab30cb51185396b7b50c6ecba286add023a26ab41d865b9c605ce
 2017-11-09 19:53:06 +00:00
mistachkin
9f4aad446b Further corrections to read-only SHM file handling on Win32. 
FossilOrigin-Name: 43c311701bdf1202918cd46fa6133a11458e0ef8ddb09e46290a231083f395ce
 2017-11-09 18:53:51 +00:00
mistachkin
a515065649 Corrections to Win32 lock detection for SHM files. 
FossilOrigin-Name: 3a91be975daee65c3e1199855613066015d5df8ad44ababdef31d1c698b5e746
 2017-11-09 18:21:51 +00:00
mistachkin
8a6fa5d41c Corrections to the Win32 porting changes on this branch. 
FossilOrigin-Name: 0b26a5a26d700e20eea5ebbd620af0af6f2d61c652cfca5b8563267588cb2be6
 2017-11-09 17:29:18 +00:00
mistachkin
4a9ff91852 Make it possible to use OSTRACE for multi-process testing. 
FossilOrigin-Name: 0a7d416c4c43632725dc89cda8667cd9726b5152ee4692e4d0c9e2031e60cfb4
 2017-11-09 17:29:04 +00:00
mistachkin
4ff8431fd1 Initial work on porting the changes on this branch to Win32. 
FossilOrigin-Name: 3738bfd0c0eadb10eea58954af5052cb6ce164059f3aacfe65d7da6a400c63c7
 2017-11-09 16:30:55 +00:00
drh
2fba394c97 Disallow ORDER BY and LIMIT on UPDATE and DELETE of views and WITHOUT ROWID 
tables.  This is a temporary fix for ticket [d4beea1633f1b88f] until a better
solution can be found.

FossilOrigin-Name: 62fe56b59270d9d7372b1bb8a53788a40d20d0f111fe38c61dd6269848592c70
 2017-11-09 03:55:09 +00:00
drh
9214c1efe8 Extra comments on the sqlite3OsShmMap() call in walBeginUnlocked(). No 
changes to code.

FossilOrigin-Name: 033ee92bf4d5dc57f5cb8fd02d1154ae06f2d3261d214e7191a82c70c8ffebf7
 2017-11-08 19:26:27 +00:00
drh
7316960cec Turns out that SQLITE_READONLY_CANTLOCK is an historical name that must 
be preserved.  So make a new SQLITE_READLOCK_CANTINIT name instead.

FossilOrigin-Name: 04974a8b5c0e6748216226006ca9125529c8bb2a7a9df4641217eb1413426a14
 2017-11-08 17:51:10 +00:00
drh
7e45e3a5d7 Change the name of SQLITE_READONLY_CANTLOCK to SQLITE_READONLY_CANTINIT. 
FossilOrigin-Name: 6d7f94faa7e6de62f82bc6cac019508a9c1ffd6fa1d14f52fa93e9c06afdd32f
 2017-11-08 17:32:12 +00:00
dan
3e846cb81f Fix a problem causing LSM to add unnecessary padding to empty segments in 
compressed databases.

FossilOrigin-Name: 1bc2d04645c5239ba9a30a13f6fb3c8cc46461c864e7927012bc0ad305eb705e
 2017-11-08 11:14:53 +00:00
drh
592eca1fda Improved comments used for documentation of sqlite3_vfs. No changes 
to code.

FossilOrigin-Name: db8f22d069b1725f16b208c96c0c47b6ab0e30236feeac43cca4217ef80316b8
 2017-11-08 02:50:09 +00:00
dan
6c9d8f640b Update an assert in wal.c. 
FossilOrigin-Name: 94527b897bac66d100ca92161f18b6f0e0768dd77ebcb06e3fb106f0e0e380ee
 2017-11-07 21:25:15 +00:00
dan
08ecefc5b1 Handle the race condition that may occur if another process connects and then 
checkpoints and truncates the wal file while a readonly-shm client is building
its heap-memory wal-index.

FossilOrigin-Name: 5a6703fc3f2174b3e9a624c7272ae013b73c42d6c97ffa62b58553efdb54e3bc
 2017-11-07 21:15:07 +00:00
dan
0e90ad6a37 Fix handling of partial indexes in checkindex.c (sqlite3_checker). 
FossilOrigin-Name: 31932a9eb8dbb33d5535715ae8bbfdc55ce66b1a1a0abd57cefe720eeb31e231
 2017-11-07 19:02:00 +00:00
dan
85e1f46eb9 Fix a problem causing an INDEXED BY specifying an unusable partial index to be 
mishandled.

FossilOrigin-Name: 292a04086a902634fc514b379a2b245eb2681c1b84d9bb950b6ecb9aab28b468
 2017-11-07 18:20:15 +00:00
drh
0714a0dee1 Add the --trace option to the sqlite3_checker utility program. 
FossilOrigin-Name: dc217b7cfe680044d8742e317701abd0269162da8f5cb097361ae7f47fd9ba2d
 2017-11-07 16:54:20 +00:00
drh
7031b12c57 Enhance the checkindex.c virtual table so that it will output the 
index_name and after_key parameters.  Also add a new diagnostic output
column named scanner_sql which shows the SQL statement used to implement
the current index scan.

FossilOrigin-Name: 32e2520ce91351acceda845d81c9567f7a634257dc2b5b90fe6fb6583d8c0f87
 2017-11-07 16:23:24 +00:00
dan
f12ba66cf8 On unix, if the *-shm file cannot be opened for read/write access, open it 
read-only and proceed as if the readonly_shm=1 URI option were specified.

FossilOrigin-Name: ba718754fa5ab8596cb84b751051de98afa2706fe6c5df39ad6d925d790719ee
 2017-11-07 15:43:52 +00:00
dan
d24c5b1c98 Add fault-injection tests for the code on this branch. 
FossilOrigin-Name: a7d949fb735f60c19e7257a1a7a12568a9c15be9cd980c018f3a0d6bf112c339
 2017-11-07 09:08:43 +00:00
dan
ab54838452 Add further test cases for the new code on this branch. And a couple of fixes. 
FossilOrigin-Name: 71af9acb227a91d9ad8798c9d0b12d6967e863d050f5cb1fddb45f25ee1f47db
 2017-11-06 19:49:34 +00:00
drh
12f84e5ee5 Fix a harmless compiler warning from Xcode 9.1. 
FossilOrigin-Name: 66d98310b91c69fd01c6a9a958ef1eabda14ec6cd0e4b6612f877f2dfe486c54
 2017-11-06 09:34:45 +00:00
dan
cbd3321978 Add further tests for the code added on this branch. 
FossilOrigin-Name: a6716fcde38b28b8a03b40f9d16f78a57ec20f60cf391ff553692641cb7f0d3f
 2017-11-04 21:06:35 +00:00
dan
11caf4f4b7 In cases where a readonly_shm client cannot take the DMS lock on the *-shm 
file, have it parse the wal file and create a wal-index to access it in heap
memory.

FossilOrigin-Name: 18b268433d739486eac1b04947bd418655e4bc56e8dc63ffa558aa4552a32e30
 2017-11-04 18:10:03 +00:00
dan
a3bc84255a Fix an LSM problem with read-only connections and compression (not 
compression-factory) callbacks.

FossilOrigin-Name: 51ee5188b03c4b9508e94afaee4bf1f224aef28875efabda8ce09a5ab641d99e
 2017-11-04 08:53:37 +00:00
drh
537e70289f The extensions functions in spellfix are all deterministic. 
FossilOrigin-Name: 29ec855e13e0dcd675dcf12948b42f9e669d0a31c5d9efb95857888aba0beeee
 2017-11-03 08:46:48 +00:00