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23,340 Commits 1,611 Branches 185 Tags
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Commit Graph

16048 Commits

Author SHA1 Message Date
drh
0184a256e3 Convert invalid surrogates to 0xfffd when translating UTF. 
FossilOrigin-Name: 7fab1393c2b22b1f3b159b631e06e7e0d3900850ee249c38e4d3cdd0aacf637e
 2020-02-17 23:08:16 +00:00
drh
78d1d225d8 A better (smaller and faster) solution to ticket [4374860b29383380]. 
FossilOrigin-Name: abc473fb8fb999005dc79a360e34f97b3b25429decf1820dd2afa5c19577753d
 2020-02-17 19:25:07 +00:00
drh
bf48ce49f7 Take care when checking the table of a TK_COLUMN expression node to see if the 
table is a virtual table to first ensure that the Expr.y.pTab pointer is not
null due to generated column optimizations.  Ticket [4374860b29383380].

FossilOrigin-Name: 9d0d4ab95dc0c56e053c2924ed322a9ea7b25439e6f74599f706905a1994e454
 2020-02-17 00:12:04 +00:00
drh
fdfd45aef3 Fix problems in the constant propagation optimization that were introduced 
by check-in [1c3e5c20a9e6f501].  Fix for ticket [1dcb4d44964846ad]

FossilOrigin-Name: c9a8defcef35a1fee6bcbb88252a2d0076dabe8381b0128b2257b5b5cc494e0f
 2020-02-13 22:12:35 +00:00
drh
ab7fdca2ee Disallow the skip-scan optimization in the absence of sqlite_stat1 data. 
FossilOrigin-Name: e0c6b8bdb76fcd4f08c89ff20dce6a33ef3c11752e1e919fec5c4e7d423c4b93
 2020-02-13 14:51:54 +00:00
drh
0ba3621592 Omit O_NOFOLLOW from the open() call when opening /dev/null, since /dev/null 
is a symlink on Solaris, we are told.

FossilOrigin-Name: 0c683c43a62fe25c6cb765e4a31556ec91a7c21af79349b3d7eeb13f73dd1cdc
 2020-02-13 13:45:04 +00:00
drh
77c9b3ccb3 Fix an incorrect assert() statement that was added yesterday. 
Tickets [41c1456a6e61c0e7] and [fb8c538a8f57ae2a].

FossilOrigin-Name: abfb043ebb0c55fdc2be58255bc852b13865d81fa4c2e0dbe8c375810557aafe
 2020-02-13 11:46:47 +00:00
drh
efdba1a8b3 Increase the default upper bound on the number of parameters in a single 
SQL statement to 32766 (from 999).

FossilOrigin-Name: 2def75693a8ae002375aff80db0e6c970c75f75e8b6ba64f2c518712badb0ae8
 2020-02-12 20:50:20 +00:00
dan
41aa442cf4 When determining whether an == or IS constraint in a WHERE clause makes an ORDER BY term redundant, consider the collation sequence used by the == or IS comparison, not the collation sequence of the comparison expression itself. Possible fix for [fb8c538a8f]. 
FossilOrigin-Name: 16aed5d0c63dcdc2054dbb8a4b6b992476640433bf81e19301e6db5a3fc82633
 2020-02-12 11:57:35 +00:00
drh
b6664744c0 Fix the build for when SQLITE_VDBE_COVERAGE is used. 
FossilOrigin-Name: 084381649edf374ccc5664f136055109a31d4c3a19c4ae2ee5275f630507a2a3
 2020-02-10 13:29:10 +00:00
drh
dc4f6fc099 During byte-code generation, strive to avoid jumps that merely jump to the 
following instruction.

FossilOrigin-Name: bcf876e67e75f6709f2b25683a3952bbbb87c672bb9d7af456feebc0ab9f6c31
 2020-02-07 19:44:13 +00:00
drh
b48c0d59fa Simplify the code by removing the unsupported and undocumented 
SQLITE_HAS_CODEC compile-time option

FossilOrigin-Name: 5a877221ce90e7523059353a68650c5fdd28ed032807afc2f10afbfbf864bdfe
 2020-02-07 01:12:53 +00:00
drh
c84ad31851 There is no need to keep track of the number of changed rows or of the 
last-insert-rowid while running VACUUM.

FossilOrigin-Name: a8a7c05b16f6c73ac55c359fbf62cae4a76eb0d105a3c53e9f47cede9fd85916
 2020-02-06 20:46:08 +00:00
drh
c879c4eac0 Separate OP_IdxInsert and OP_SorterInsert into completely separate opcodes, 
helping each one to run a little faster.

FossilOrigin-Name: 447d71f0867a11f789eba164ea77470b3ae4953927556304b0861cf690250776
 2020-02-06 13:57:08 +00:00
drh
5bdad79f01 Remove dead code from the sqlite3_filename_database() function. 
FossilOrigin-Name: 1b6185550f2bcfa11513898984f1fc2029e0356e9acdc786c5c4a8006b1da2ba
 2020-02-06 13:09:56 +00:00
drh
2a74006087 Small size reduction and performance improvement in the 
sqlite3VdbeMemFromBtree() interface used to pull content out of the b-tree
and into an sqlite3_value object.

FossilOrigin-Name: ae6dd8d3e921670ee6450453b54245dd71bcfff3fd1bc7fdb7cf4cf9585c3375
 2020-02-05 18:28:17 +00:00
dan
3cdc820544 Enable more detailed log messages in SQLITE_ENABLE_CORRUPT_PGNO builds if database corruption is encountered. 
FossilOrigin-Name: 57c36a293e16bb4d9652874124ee1447bef278e08664bc8dd0070a0ee2ef1173
 2020-02-04 20:01:44 +00:00
drh
92a27f7bf2 Extend the OP_Copy-coalesce optimization fix of check-in [b36126c1889e323c] 
so that it is also correctly disabled by the CASE operator.
Ticket [9d3666754ac37d5a].

FossilOrigin-Name: 29a969d6b1709b80d9cb88b60971e4eb021f7f5f8ee9a619be74b833a78a35ef
 2020-02-04 01:41:44 +00:00
drh
40d1db8d20 Fix a problem with the byte-code decompiler that was inserted by the 
enhancements at [4248980a356f659b]

FossilOrigin-Name: af63e95dcdd6e9741cdddc3698e857e3b8be40048d3036f939f3583e517c4eff
 2020-02-04 00:55:27 +00:00
drh
51f37b2bb8 Cosmetic change to the xfer-optimization to put the OP_RowData opcode closer 
to the corresponding OP_Insert opcode.  This makes it slightly easier to read
and understand the code.

FossilOrigin-Name: 0ea2dbfc9088561d62c3456803cb08d357e4e60f1d21f6ed37315564be4957d3
 2020-02-03 19:56:51 +00:00
drh
9dce0ef4ca On an INSERT or UPDATE, perform affinity conversions on new data prior to 
running CHECK constraints.  Ticket [86ba67afafded936].

FossilOrigin-Name: 1d4f86201dab9a22df9ef8175a7ebf3640e97cdb23a06fb454b4c69bfda3a9af
 2020-02-01 21:03:27 +00:00
drh
d7b10d74e1 Fix the comment display for the OP_Function opcode. And at the same time, 
improve the comment generating logic to make use of the newer
sqlite3_str_appendf() interface.

FossilOrigin-Name: 4248980a356f659b10b12c778592996d53c91fae4ea50c8566678da176bdd152
 2020-02-01 17:38:24 +00:00
drh
745befd13f Merge the sqlite3CodecQueryParameters() fix into trunk. 
FossilOrigin-Name: a812f533693a3605f297199ae0320d663e872208675e86860c5c1803943943aa
 2020-02-01 14:20:35 +00:00
drh
1eac966076 Fix a problem in sqlite3CodecQueryParameters() that was introduced by the 
query parameter encoding changes for the 3.31.1 release.

FossilOrigin-Name: cc65ca541265bd7061ed8f5ec9a54f3c384c41019c5ea1c68dcaabeff3495839
 2020-02-01 13:30:39 +00:00
dan
d03f77ae46 Fix a problem with the processing of IN(...) constraints handled by virtual table implementations that do not set the "omit" flag when the virtual table column contains at least one NULL value. 
FossilOrigin-Name: dcb4838757ca49cf149a6e883b3eb0ac8a075147387a078280dfabe39b1a3e8d
 2020-01-29 15:03:01 +00:00
drh
48118e4060 Remove a NEVER() that is in fact reachable. Test cases in dbsqlfuzz and TH3. 
FossilOrigin-Name: ffd8bb9351fbd8c1285491d4e10734f6816689de6042d640c178a5ecda75a5ef
 2020-01-29 13:50:11 +00:00
drh
ffd3fd0c30 Add new memory barriers during initialization. 
FossilOrigin-Name: a9b2adc5d61790abd86839d12e7ecb98a85d7e4cde5f94558530e32449d9e483
 2020-01-29 13:10:50 +00:00
drh
02a95eb9bb Faster decoding of 32-bit variable-length integers in cases were we do not 
need to know the number of bytes in the encoding.

FossilOrigin-Name: 59a31b16b54a0068c81ee65bc2fa905c2c826e98da3a7ffd8c3ea860a2827b4a
 2020-01-28 20:27:42 +00:00
drh
925ab5c17e Small performance improvement to the key-comparision routine for strings. 
FossilOrigin-Name: 41454499a2b63c5fe6fae2d2085773a5f7d869250dcbe669929d20c961211f70
 2020-01-28 20:09:39 +00:00
drh
fbfd113365 Reinstate the optimization of converting "a IN (C)" into "a=C" but only 
if C is a constant.  If the RHS is a table column, the complications of
managing affinity and collations become too involved to mess with.

FossilOrigin-Name: 8ac26a23d7f0ef29c5eb007c7467181f8b96102c8600ea8a5b15cc7584af27bd
 2020-01-28 18:09:53 +00:00
dan
4b2f45be34 Fix a 4 byte OOB read in test_multiplex.c. 
FossilOrigin-Name: 912148913c11d98e48119a2c1fa7a0e52f318af36e7e2491d968ffde286c949f
 2020-01-28 16:55:32 +00:00
drh
b9f2e5f777 Minor change for compatibility with the s390 architecture. 
FossilOrigin-Name: 04885763c4cd00cbca26d048f2b19316bfc93e8edebeceaa171ebfc6c563d53e
 2020-01-28 15:02:23 +00:00
drh
532b0d23fd Revise the layout of filenames in the Pager object so that it is unchanged 
from prior versions.  It turns out that some important 3rd-party software
does questionable pointer manipulations on those filenames that depend on
that legacy layout.  Technical this is a misuse of SQLite by the 3rd-party
software, but we want to avoid unnecessary breakage.

FossilOrigin-Name: 34ab760689fd493eda482e856047708d74e769a01cc90b69da456d79ffe39aea
 2020-01-27 14:40:44 +00:00
drh
9a3bdeba3e Fix typos in the sqlite3ext.h header file that prevent some newer APIs from 
being accessed from loadable extensions.

FossilOrigin-Name: 14331989fcaf6591336290ed1548e9c90f0f153e27f456f4c30c966f9c23aa6e
 2020-01-23 15:00:18 +00:00
drh
78b5220328 Fix a NEVER() macro that can be true if compiled with 
SQLITE_ENABLE_UNKNOWN_SQL_FUNCTION.
Ticket [b985f0bd1636d9bc]

FossilOrigin-Name: 9f0f5d593a383ec2bebb6513ad566813f5b3dc6f052c61bcd76e8ac557bbb062
 2020-01-22 23:08:19 +00:00
dan
8c812f98a3 Fix a problem with using views in SQLITE_OMIT_VIRTUAL_TABLE builds. Also some test case fixes required for the same builds. 
FossilOrigin-Name: 934ee8bdb481a5cbd3d9c5f53028073129d3bca4fee14fe4a49bbf9c0c9d74f7
 2020-01-21 16:23:17 +00:00
dan
70a32703ac Fix an assert() that could fail in SQLITE_MUTATION_TEST builds following an error in a query that uses CTEs. 
FossilOrigin-Name: c7e29458a73bbe73a1429477d0c01d5a7b870ab75d3cb08a703be21714e439b7
 2020-01-21 14:42:48 +00:00
drh
988af251d8 Fix the series.c and spellfix.c extensions to use SQLITE_VTAB_INNOCUOUS 
correctly.  Fix the documentation on sqlite3_vtab_config() to take into
account SQLITE_VTAB_INNOCUOUS and SQLITE_VTAB_DIRECTONLY.

FossilOrigin-Name: 9265cb7f026c0e959bd034d4cd94fe597744e0dd455d0a20736ee5f5bee880c8
 2020-01-21 12:29:02 +00:00
drh
4b86e20485 Enhancement to the CLI to allow the ".parameter init" command to work 
even if defensive mode is turned on.

FossilOrigin-Name: 4d46255096671ae7be33081e81bb25561304e069f459ffa7587f1f19381a1851
 2020-01-19 20:37:26 +00:00
drh
38e14fbd5f Documentation improvements. 
FossilOrigin-Name: 535afe150939d06342fbbed4ca1b6a1472fde51ac9edd4b4b583b87d90f509c2
 2020-01-18 23:52:45 +00:00
drh
76a1fce53b In the TCL interface, add the ability to change the 
SQLITE_DBCONFIG_TRUSTED_SCHEMA setting using the "db config" method.

FossilOrigin-Name: 1accfa8cf05856b03cecab7a2cd0c0337842a0003cfbec207b6f0acdd93e8f15
 2020-01-18 22:20:14 +00:00
drh
fe7046044c Allow non-deterministic function in CHECK constraints. It turns out that 
PostgreSQL, MySQL, and SQLServer all allow this.  We should be the the
exception.  Ticket [830277d9db6c3ba1]

FossilOrigin-Name: 8c8ce526adb60b8061e55151599ca8b11f1ec2e968d3bacc73a2a249e9e95ee1
 2020-01-18 21:34:31 +00:00
drh
f71eb2091f Do not use memcpy() of zero bytes when initializing a pager. This avoids 
a warning.

FossilOrigin-Name: cca437788e092b21ed1784dd94d4b1c7204ff1717538d276a10880d1345904bd
 2020-01-18 19:46:42 +00:00
mistachkin
591711751e Fix harmless compiler warning seen with MSVC. 
FossilOrigin-Name: cd0437ba5b13593ebe4ec30d6236623183f8cfa30ca8a0612662eccb282a863e
 2020-01-18 19:02:20 +00:00
drh
cea7b5d57e Add extra front margin to the fake empty filename returned by 
sqlite3PagerFilename() for an in-memory or TEMP database.

FossilOrigin-Name: fee945671a19a93287f9bfadc346f9821fb1311c7fc75b95a6a48d1419c840e7
 2020-01-18 14:50:06 +00:00
drh
1ee02a1ce5 Fix the VDBE so that it correctly handles the sequence of operations 
OP_OpenEphemeral, OP_OpenDup, OP_OpenEphemeral, and OP_OpenDup in that
order on the same cursor.

FossilOrigin-Name: a1be6ee0188911448c064e2c25fb0ca1daad50f3d50fb49a34430bd09736b4a9
 2020-01-18 13:53:46 +00:00
drh
2d58b7f40f Fix a typo in a comment. No code changes. 
FossilOrigin-Name: 4363f69c3ad5a9859471547cab713f1acabd5fce13872cc1ddaa972d6c1dfb35
 2020-01-17 23:27:41 +00:00
drh
ef9f719d0b Fix #ifdefs so it compiles cleanly with all SQLITE_OMIT compile-time options. 
Update compile-time option testing.

FossilOrigin-Name: 7584e4b649d57767aac3906da6b06549d5b772aaa69f469c623ae5da834d54d5
 2020-01-17 19:14:08 +00:00
drh
915530dcc8 Improved rounding in the 'unixepoch' feature of the date and time functions. 
FossilOrigin-Name: c9abf1bd2d2496ced9ef4619cd997933cd58452e6ab527ba70746c9975104b6a
 2020-01-17 16:47:07 +00:00
drh
be0330e853 New testcase() macros in select.c, for coverage of the change from two 
check-ins ago.

FossilOrigin-Name: 52206488f315803df73f964774270ef4783923407a2567936f56b0a1a88b4400
 2020-01-16 17:53:24 +00:00