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21,092 Commits 1,607 Branches 185 Tags
d901b168b58bb82192bcfc5dcb3b7ae316af1497
Commit Graph

14444 Commits

Author SHA1 Message Date
drh
ea5c040f87 Simplification to the logic underlying PRAGMA case_sensitive_like. 
FossilOrigin-Name: ef0015fde4c87e992ffd3d7dea8586951bdd65ff98d30d436b126b85b1cc9c74
 2019-05-08 19:32:33 +00:00
drh
9e9374b2e2 Avoid an excess register allocation in UPDATE, when possible. This improves 
speed (slightly) and reduces the code footprint.

FossilOrigin-Name: 8658574e3f435f03a87c04f398bd05078ebc53ecb4a477d3b24902d701d935c4
 2019-05-08 19:06:59 +00:00
drh
08652b5ea0 Provide the SQLITE_OMIT_CASE_SENSITIVE_LIKE_PRAGMA compile-time option to 
omit the case_sensitive_like pragma.  This change, in combination with
documentation changes, is the current solution to ticket
[a340eef47b0cad5].

FossilOrigin-Name: eabe7f2d4ff0e0dd868dcab7ec1d4a9168a25f80d3a52f0eeea2f90bd33782f2
 2019-05-08 17:27:18 +00:00
dan
9edd8c11ab Fix VDBE opcodes OP_SeekLT and OP_SeekLE so that they work on intkey tables with non-numeric text values. 
FossilOrigin-Name: a870c196d78d8b72c7353fa0015e96b2abd4be154541d76328e3a4f9e5da5d04
 2019-05-08 11:42:49 +00:00
drh
291508f62b Remove an ALWAYS() that was previously added by check-in [a0819086] but 
which turns out can sometimes be false.

FossilOrigin-Name: ad8fc5d8b440c49df95328df0408be699dde5a1dbd195b3f1f32e5f765578032
 2019-05-08 04:33:17 +00:00
drh
d2cfbea2a4 Remove a NEVER() that was added in the previous check-in because it is in fact 
reachable.

FossilOrigin-Name: 74eba2558a81f9e790d95a12a0c5379d4f80b43c8698ef9d6a31ff8d160a53d8
 2019-05-08 03:34:53 +00:00
drh
dfcecdfea8 Earlier detections of errors in the byte-offset-to-cell-content integer at 
offset 5 in the header of a btree page.

FossilOrigin-Name: a0819086a521fb0ca4ffd12f959b168a89ea2e30a2844bbbd39831b2b9ecf29b
 2019-05-08 00:17:45 +00:00
drh
2c45b67711 Generate all records for INSERT or UPDATE prior to running foreign key 
constraint checks, since the FK checks might modify the datatype of registers
used to generate the records.  Fix for ticket [e63cbcfd3378afe6980d6].

FossilOrigin-Name: 3c75605b4652ae88659465d832953ac9d467369f9cb417f73b3d8599ec60b18b
 2019-05-07 20:06:41 +00:00
dan
f116ad8527 Do not commit an "OR FAIL" statement that causes foriegn key constraint violations. 
FossilOrigin-Name: 659c551dcc374a0d349ba9419f692e3363839e11d791a17cc35fa1854a674a51
 2019-05-07 19:44:11 +00:00
drh
a7c3b93fa6 On an INSERT or UPDATE, generate the new table record prior to running 
foreign key checks, in case the foreign key checks changes datatypes on
the registers holding column values.  Proposed fix for ticket
[e63cbcfd3378afe6980d626].

FossilOrigin-Name: 3f1c8051648a341db4dffad66d3b1f9980d8a2b314cb0ce879cb2a10d1779b84
 2019-05-07 19:13:42 +00:00
drh
dd2d9a3d5a Strive to prevent harmless compiler warnings in GCC 4.8.5. 
FossilOrigin-Name: 8b6691f619ed9a56f6aecbd878ebb447c40984f8767508b248494fd9ec68fbaa
 2019-05-07 17:47:43 +00:00
dan
f9b0c45161 Fix a problem with renaming an INTEGER PRIMARY KEY column of a WITHOUT ROWID table using ALTER TABLE. 
FossilOrigin-Name: 91f701d39852ef1ddb29d1527d1520867c5efea110333315c55d8b08084384e7
 2019-05-06 16:15:28 +00:00
drh
664d6d139e Fix the NOT NULL logic in the theorem prover that determines when a partial 
index can be used.  Ticket [5c6955204c392ae763a95].

FossilOrigin-Name: c2e439bccc40825e211bfa9a88e6a251ff066ca7453d4e7cb5eab56ce7332635
 2019-05-04 17:32:07 +00:00
mistachkin
bc8b231098 Fix harmless compiler warning seen with MSVC. 
FossilOrigin-Name: 5862b83eb36b93016d37e5b86ebb183d891bb553901facab1e5d83e114a38ec3
 2019-05-04 03:56:47 +00:00
drh
b1d93be142 In the sqlite3_value or Mem object, make the MEM_IntReal type completely 
independent from MEM_Int and MEM_Real. This helps avoid problems when
inserting non-float values into a "REAL" column.

FossilOrigin-Name: 5a8a23ee5f60a31dbd167a0966d1ab3d0f1c07df2251906cb73f23d1f5466b46
 2019-05-04 01:41:18 +00:00
drh
3242c69c91 New testcase macros to ensure that MEM_IntReal is fully tested. 
FossilOrigin-Name: 8b8ef445ccccc148af2cda5975986af0d134352fe16283f65d0f8a91c9ffa932
 2019-05-04 01:29:13 +00:00
drh
0c8f40389e Add the SQLITE_TESTCTRL_RESULT_INTREAL test-control and use it to create 
the intreal() SQL function in testfixture.  Write a few simple tests to
prove this all works.  TH3 will hold most of the INTREAL tests, probably.

FossilOrigin-Name: c9838731325e0ca73bd8784c10c74ae043fed7861e6de269fd90e29fa4a19955
 2019-05-03 21:17:28 +00:00
drh
30d3b0ceb5 Ensure that UTF16 strings are properly zero-terminated before returning them 
in an sqlite3_value_text16() request, even if the string is invalid UTF16
because it was formed from an arbitrary and/or odd-length BLOB.

FossilOrigin-Name: 3a16ddf91f0c9c516a7fc2a9d4a4f69a8326f9b8ea66421e9ef1a2d663687b70
 2019-05-03 19:34:41 +00:00
dan
a51297200f Fix a memory-leak/segfault caused by using OP_OpenDup and OP_OpenEphemeral on the same VM cursor. 
FossilOrigin-Name: a9b90aa12eecdd9f2a8b2d23da8b7cac43d8b1789f5cefa3f4e939d9f2b59269
 2019-05-03 18:50:24 +00:00
dan
ac4085bc2c Fix a problem where self-joins on views that are aggregate queries may return the wrong result. 
FossilOrigin-Name: 74ef97bf51dd531a277cf22fa4d42043d93799d5a5bd550812648834460fe0b7
 2019-05-03 17:19:10 +00:00
drh
f2566c4132 Improved comments on the elements of the array constant used to implement 
the sqlite3_value_type() interface.

FossilOrigin-Name: f73a7de7a53f6aa6517221550a9c9882893206edfd7433e80e5fc0f441db9fc4
 2019-05-03 17:08:16 +00:00
drh
5bf4644f41 Fix the ".open --hexdb" command in the CLI so that it works even with 
terminal input.

FossilOrigin-Name: 9b5d943426c9273162ecb4c561eb3b25e843318dd438239c882c9db50f788454
 2019-05-03 02:41:36 +00:00
drh
169f077e07 Make MEM_IntReal a completely independent type, meaning a floating point 
value stored as an integer.  This fixes a problem with arithmetic within
arguments to string functions on indexes of expressions.  But it is a big
change and needs lots of new testcase() macros for MC/DC and so it is
initially put on this branch.

FossilOrigin-Name: dba836e31cb29d339b4520acb06188a892a52e45c50aba9742966b01108e251a
 2019-05-02 21:36:26 +00:00
drh
de7109e61b Ensure that the typeof() function always returns SQLITE_FLOAT for floating 
point values even when the value is stored as an integer to save space.

FossilOrigin-Name: 48889530a9de22fee536edfd1627be62396ed18d842d5fd6d91e010b4337be95
 2019-05-02 17:45:52 +00:00
drh
e12ca5abf6 Earlier detection of a database corruption case in balance_nonroot(), to 
prevent a possible use of an uninitialized variable.

FossilOrigin-Name: c509d8a8aebe0da4847e95cf737c21313a665de9a540da2db57b8ed22f98a402
 2019-05-02 15:56:39 +00:00
drh
cf1747b782 The collating sequence of the column must be TEXT if the LIKE or GLOB pattern 
starts with a "+" sign.  This is another case of ticket
[c94369cae9b561b1f996d005] that was discovered by Manuel Rigger.

FossilOrigin-Name: b043a54c3de54b286c4eae564eab6b99118a410d99bdb63480faba3123d2ca11
 2019-05-02 01:41:53 +00:00
drh
01325a3f75 Fix an issue (discovered by OSSFuzz) in the enhanced OP_Concat operator 
from check-in [713caa382cf7dd] earlier today.

FossilOrigin-Name: 3e897702f8f789fe5119b9042fb93eca3fbfcc44564fbfa66c65628725b1157d
 2019-05-02 00:52:50 +00:00
drh
83a1dafb03 When values have real affinity and are converted into strings for CHECK 
constraints or index expressions, do the conversions into a real-number format
even if the values are stored as integers for efficiency.
This appears to fix ticket [ae0f637bddc5290b446].

FossilOrigin-Name: 5997d075665faca6b70fa647e877ebc84c473b32887b96235865d59ce80247f8
 2019-05-01 18:59:33 +00:00
drh
8a7e11fb78 Avoid unwelcomed side effects on the input operands in the OP_Concat 
operator.  Fix for ticket [3be1295b264be2fac49b681]

FossilOrigin-Name: 713caa382cf7ddef872e510a76a5fca40be1a8d8876ce2f91b632bb0810a6630
 2019-05-01 15:32:40 +00:00
drh
6fcc1ecc99 In "PRAGMA vdbe_trace" output, show the results of OP_Affinity opcodes. 
FossilOrigin-Name: 56604bb60a8ebac8d2854628d1b052d594d7effe14be8333977995dc07b65114
 2019-05-01 14:41:47 +00:00
dan
c589acbc50 Fix a problem allowing a Table object to be deleted from within a call to the xDestroy method of the associated virtual table, causing a use-after-free error. 
FossilOrigin-Name: 1dbbb0101e8213b92b9a4c78c0fd2f9d0240a8ea3b40dff1033d1b8d71fb04ef
 2019-04-30 15:36:32 +00:00
drh
cf83323936 Small performance increase and size reduction in the implementation of the 
LIKE and GLOB operators.

FossilOrigin-Name: f97626f921dafe596b615a168ef31987f4a1c0b52956443e1a5c1148b49cab74
 2019-04-30 11:54:36 +00:00
drh
b70b0df8eb Slightly smaller and faster implementation of the OP_MakeRecord opcode. 
FossilOrigin-Name: 3bdce7ef1a6bb03affe978243fec603d5a55c071aa6d87c469a3c199d23f3b5e
 2019-04-30 01:08:42 +00:00
drh
4baa75b32f Do not de-duplicate columns index columns associated with a WITHOUT ROWID table 
if the columns have different collating sequences.  This is the fix for
ticket [3182d3879020ef3b2].  There is one test case added, but most of the
tests are done in TH3.

FossilOrigin-Name: 1b1dd4d48cd79a585e1fa7ee79128e9f2a9ee9846339dc56bbd67b75112dcad5
 2019-04-29 13:48:45 +00:00
drh
c19b63c9a3 Improved header comment and precondition checking for the new isDupColumn() 
function.

FossilOrigin-Name: 740d5ff6cc9bf7b151dfb8b27409e5923cfb2789b5398fe13d89563aff8ffc07
 2019-04-29 13:30:16 +00:00
dan
51f5ffa1a4 Fix a buffer overwrite in shell.c.in (part of the new .recover code). 
FossilOrigin-Name: 92facbc73a940d2844ac88fafd2d2dadb10886fb0b7c53e23f346d18fa6d6327
 2019-04-29 11:41:46 +00:00
dan
490e6f2506 Fix a stack overflow that could occur when renaming a table that has a trigger containing a window function invocation that itself contains a specific syntax error. 
FossilOrigin-Name: c621fc668c6538f9f5bdac204f012c64998679a61aa8e224d212503820224c09
 2019-04-29 11:27:58 +00:00
drh
f78d0f426c Take collating sequence into account when removing redundant columns from 
indexes on WITHOUT ROWID tables.  This is the first proof-of-concept fix
for ticket [3182d3879020ef3]. More testing needed.

FossilOrigin-Name: b34fa5bff40d3d364bd8c80e7de55c606ef3caac47b14b5265ebcb38857eb85e
 2019-04-28 19:27:02 +00:00
dan
73c0d272a9 Add the ".recover" command to the shell tool. For recovering as much data as possible from corrupt databases. 
FossilOrigin-Name: 50fe48458942fa7a6bcc76316c6321f95b23dc34f2f8e0a483826483b2fb16f6
 2019-04-27 20:30:19 +00:00
drh
6c59136498 Fix a minor typo in a comment. No changes to code. 
FossilOrigin-Name: 95209072176ff21a91e96d5bd014b35ef100da2b0b93958baf6df4294a8daa85
 2019-04-27 20:16:42 +00:00
dan
1b16216f9e Fix building the shell with SQLITE_OMIT_VIRTUAL_TABLE. And without SQLITE_ENABLE_DBPAGE_VTAB. 
FossilOrigin-Name: 425d708c3908fe74f69b62e6dd1722a0018088977e12f14b312dad1df0fbb804
 2019-04-27 20:15:15 +00:00
dan
0aa01ee42c Add comments and fix formatting issues in new code in shell.c.in. 
FossilOrigin-Name: b91d819bd16de43fc99e379da0ba9c915b0c5afc68e804a50c3c1662c1f9a740
 2019-04-27 19:36:49 +00:00
dan
42ebb01e9f Add the "--lost-and-found" option to the ".recover" command. For setting the name of the orphaned rows table. 
FossilOrigin-Name: 67bb88e24c74d02ae0c4ac6ff2f873f6b0035ccefe5cccfc71c5686cbc76b4c3
 2019-04-27 18:47:03 +00:00
dan
f57bea31ba Fix a problem in the .recover command with recovering WITHOUT ROWID tables where the PK columns are not the leftmost in the CREATE TABLE statement. 
FossilOrigin-Name: 91df4b8e0386105d01614921e8410994b621404a3d46ec4af8687b8743c52d52
 2019-04-27 15:35:45 +00:00
dan
98c5ad309f Have .recover store all orphaned rows in a single table, with extra columns to indicate the orphaned page and sub-tree they were discovered within. 
FossilOrigin-Name: 7221f6e33ed6a5a96ec61e25f2a1f70b84aae66e503d897eb7b7ff1aec42355d
 2019-04-26 21:11:37 +00:00
dan
ca42438261 Fix another problem with database freelist handling in the ".recover" command. 
FossilOrigin-Name: bee2652ac26370e612a8c81dd7554befc2d523442a2fbbc77dc73479e6a0d7fd
 2019-04-26 15:40:27 +00:00
dan
c0b42437ab Fix a locking-page related problem with the ".recover" command. 
FossilOrigin-Name: afdae10424f0f3d0f10a4b73e9732aa55c5ee664814d8ca0edd372cfb17c2445
 2019-04-26 15:14:53 +00:00
dan
6aa001527c Merge latest trunk changes into this branch. 
FossilOrigin-Name: 1da302d85d7ad4ba54f877117a45d667439fd2ef31dc70ea1d54dc1fba196e68
 2019-04-25 20:06:34 +00:00
dan
9c014f8b0c Unless the "--freelist-corrupt" option is specified, do not have the .recover command attempt to recover data from pages that are on the database free-list. 
FossilOrigin-Name: 8d2f52bb640d6d0f84b18d746043e56f45a73ace93239be1d036701f7f4018fd
 2019-04-25 19:23:15 +00:00
dan
b9b71dbfd4 Fix a bug preventing .recover from working on databases where the final page of the db is corrupt. 
FossilOrigin-Name: 959bbd11e92cc789973daf20dfcb8a6d8dc724dd603b286cbdd59e5d1fdb2909
 2019-04-25 16:20:40 +00:00