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22,477 Commits 1,607 Branches 185 Tags
c54246ffdf51ae0af4d9e39c653571e6e6586cc6
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2292 Commits

Author SHA1 Message Date
dan
243210b79b Fix a problem in SQLITE_ENABLE_HIDDEN_COLUMN builds occuring when an UPDATE...FROM fired an INSTEAD OF trigger. 
FossilOrigin-Name: 5176cb7a6a4e8cfa1973aaae46fcd7d39baedb70ae20bfacc82d62ca39fb0aa3
 2020-07-15 15:32:59 +00:00
dan
e7877b2d6b Support UPDATE...FROM statements in trigger programs. 
FossilOrigin-Name: 4f6d8d0ebf40029218a1d3b05ea657c0c5953b01c6f0b6a628465aa44c67e7f3
 2020-07-14 19:51:01 +00:00
dan
a7f82d9f47 Merge latest trunk changes with this branch. 
FossilOrigin-Name: 5ee3c27e20d12a126fb773b428bb864102b949a5b26a8d5c523753dcedf4be10
 2020-07-13 18:04:27 +00:00
drh
6af305de1e Remove unnecessary code from the window functions implementation. 
FossilOrigin-Name: 1e87da9c93309d1d69b1e0ab65c615b9ff9c1c6813ad0c7b90d2495be4ba0adc
 2020-07-10 21:43:53 +00:00
drh
d1d89140c0 Increase the resolution of the vdbe opcode counters to 64 bits, as 
apparently some users run single prepared statements that go for
longer than 4 billion instructions.  See forum post 
"[https://sqlite.org/forum/forumpost/d07949dc94|Possible freeze in the progress loop]"

FossilOrigin-Name: 612eb590ea44fd402e630f2d62558beb7ce57d7d0ba113c8b72ea60a895c5a43
 2020-07-06 12:13:05 +00:00
drh
ccb2113a62 Refactoring various names. No changes in the resulting machine code. 
FossilOrigin-Name: 7bb08b1bfcf184e4b59c8c9028926a0052612ff6a6731914ccdb8dee07ea4a98
 2020-06-19 11:34:57 +00:00
drh
346a70ca1e Provide "sqlite_schema" as an alternative name to the table that holds the 
database schema.

FossilOrigin-Name: 61782a7ae3c25cf59d7a676cb295eb024d17c46e532ae78c6fe871a91d712fa9
 2020-06-15 20:27:35 +00:00
drh
b7cbf5c1b2 Fix a defect in the query-flattener optimization identified by 
ticket [8f157e8010b22af0].

FossilOrigin-Name: 10fa79d00f8091e5748c245f4cae5b5f499a5f8db20da741c130e05a21ede443
 2020-06-15 13:51:34 +00:00
drh
9216de8a23 Provide the ability to use the SELECTTRACE() debugging macro outside of the 
select.c source file.  Use this to add a new SELECTTRACE() entry in
window.c for improved tracing of window-function parse-tree rewriting.

FossilOrigin-Name: 30c6d895b573d5f2a53487b3b7a0d20be7e382c7a0bc87336bd43fbd2fa89bf4
 2020-06-11 00:57:09 +00:00
drh
81185a5138 Give the expression pointer fields of AggInfo distinctive names in order to 
simplify tracking of all their uses.

FossilOrigin-Name: a53bdd311c4154fd5e1131efbb9665362f79db5a35ce9f7b1547f74b8ee2d8ba
 2020-06-09 13:38:12 +00:00
drh
e26d428a59 Improved tree-view debugging output for aggregate functions. 
FossilOrigin-Name: b5711b4eead10ef4b0b61f2e2c54768d215a4105f6d47d2ea78991b6e53a6831
 2020-06-09 11:59:15 +00:00
drh
bf7909734a AggInfo objects might be referenced even after the sqlite3Select() function 
that created them has exited.  So AggInfo cannot be a stack variable.  And it
must not be freed until the Parse object is destroyed.

FossilOrigin-Name: 3c840b4df306e2db1da08673e9ede973b4cb6d2b3f9eeeab5835e39452ee3056
 2020-06-07 20:18:07 +00:00
drh
896366282d Alternative fix to ticket [c8d3b9f0a750a529]: Prior to deleting or modifying 
an Expr not that is referenced by an AggInfo, modify the AggInfo to get its
own copy of the original Expr.

FossilOrigin-Name: 7682d8a768fbccfe0cc956e9f6481637146e1ab9763b248ff11052761ce32e32
 2020-06-07 17:33:18 +00:00
dan
b55389412f Use __has_extension(c_atomic) instead of __has_feature(c_atomic) to detect support for atomic load and store operations with clang. 
FossilOrigin-Name: 362255791f8801e0d9869e36239b8b2cb29c38bf0b86894bd2d159ce46d8447e
 2020-06-04 16:34:49 +00:00
drh
e40cc16b47 Move some utility Walker callbacks into the walker.c source file, as they 
seem to belong there better.

FossilOrigin-Name: dac438236f7c5419d4e7e094e8b3f19f83cd3b1a18bc8acb14aee90d4514fa3c
 2020-05-24 03:01:36 +00:00
drh
16dc07f756 Minor fix to a comment. No code changes. 
FossilOrigin-Name: efdbb2b499bda8ffcfe54f5d6ece08a2c58fe7a490d9550785d806bd404abb8c
 2020-05-24 00:30:38 +00:00
drh
3d863b5e4e Do not allow a virtual table to be renamed into the name of one of its 
shadows.

FossilOrigin-Name: eca0ba2cf4c0fdf757bae19c6397a48245adb99e8017ddc28f01804072a30b2c
 2020-05-14 21:16:52 +00:00
drh
3c0e606bba Implement the IIF(x,y,z) SQL function that is short-hand for 
"CASE WHEN x THEN y ELSE z END".  For compatibility with SQL Server.

FossilOrigin-Name: fce173cd211b15867369b6a54fad48168352fc83981a722ce98e57299b88608a
 2020-05-13 18:03:34 +00:00
drh
ffe421c76a Remove unused constant SQLITE_FUNC_COALESCE. 
FossilOrigin-Name: a116b20f863e9732cd08fbfbb1aa48204a17d611c9c1edde85dcf59310bde782
 2020-05-13 17:26:38 +00:00
drh
783e159e48 Fix harmless compiler warnings. 
FossilOrigin-Name: 92dc59132f8547635d73c61c21ea29b380c401ddc84a6d01412808e00386b9e8
 2020-05-06 20:55:38 +00:00
dan
8714de97c0 Changes to avoid deadlock in SQLITE_ENABLE_SETLK_TIMEOUT builds. 
FossilOrigin-Name: 553423c23142cf0ec219192315d57ce8a0e10c3d8678d28bc110a1a9a7c17cee
 2020-05-04 19:42:35 +00:00
dan
f2972b6083 Fix problems with using LIMIT and FROM clauses as part of single UPDATE statement. 
FossilOrigin-Name: b717dc3c5fafb9b86a141e7ecffc030fd9b36aa57a0b3e5200d64ad23a0aa13d
 2020-04-29 20:11:01 +00:00
dan
9ed322d6c3 Fix various bugs in new feature on this branch. 
FossilOrigin-Name: 823ba94e29dece1687e28711e503a1f56d392c306b0cbc0a20548180834530d1
 2020-04-29 17:41:29 +00:00
dan
69887c99d4 Allow a FROM clause in UPDATE statements. 
FossilOrigin-Name: f353a1a613bb7ad8cedcda377a7fe6fd05ee03b1f50665b00b84a868a71c5bec
 2020-04-27 20:55:33 +00:00
drh
ad996da0f6 Merge trunk enhancements into the approximate-analyze branch. 
FossilOrigin-Name: 17901ea6a1951b8c55671408841901c6660e3f8099378204f080b171a684d718
 2020-04-09 15:01:09 +00:00
drh
d44390c8c5 Performance improvement for column name lookup. 
FossilOrigin-Name: 1e4b6a93987cdfbf829e2ff35ef417c290625f2894ad11949e301af518f1fb44
 2020-04-06 18:16:31 +00:00
drh
49a76a8fe5 Add "PRAGMA analysis_limit=N;" to limit the number of rows visited by 
ANALYZE when N is positive.  Positive N also disables collecting stat4.

FossilOrigin-Name: a279b151c1623807774daf4975175c62ea252eefb71f9820ced6773769b392c5
 2020-03-31 20:57:06 +00:00
dan
892edb69c4 Use __atomic_load_n() and __atomic_store_n() for a few more things where they are available. 
FossilOrigin-Name: a49f8ec552bede7da731e0571ccf49de1a30e7be3a5673150436c8b411ba6ffc
 2020-03-30 13:35:05 +00:00
drh
74a07986ce Fix to the recomputation of the colUsed field added by check-in 
[a9bb71ba708ba722].  This fixes ticket [5829597ac43811e3].

FossilOrigin-Name: 5d14a1c4f2fc17de98ad685ad1422cdfda89dfccb00afcaf32ee416b6f84f525
 2020-03-21 23:10:38 +00:00
dan
31f170f396 Ensure that "main" can always be used to refer to the main database, even if it has been renamed using SQLITE_DBCONFIG_MAINDBNAME. 
FossilOrigin-Name: 682b426f5658254e63dff02c960b557fb33cb3e944fdd14faa0aa9988af7269a
 2020-03-21 15:41:55 +00:00
dan
465c2b8964 Consolidate some code on this branch. 
FossilOrigin-Name: a85c63daa640e02fdfd891a05a1a09e848c9621a5dd6e112338451008623ecbb
 2020-03-21 15:10:40 +00:00
drh
2aee514b4c Recompute the set of columns used for each table when the table is 
involved in query flattening.

FossilOrigin-Name: a9bb71ba708ba72255ba8d18c9856e38ddf53eae2d61c8435149354fb2b2459e
 2020-03-21 00:05:53 +00:00
drh
9b258c54e4 Rename sqlite3ExprCodeAtInit() to sqlite3ExprCodeRunJustOnce(). 
Other changes to make the new code cleaner.  Test cases added.

FossilOrigin-Name: d7f18489978fdbbe3ab317485518cac91a75416ccef55898301afdd76d3b415b
 2020-03-11 19:41:49 +00:00
drh
e7375bfa72 Enhanced detection logic for preventing the use of static schema expressions 
by code generating routines.

FossilOrigin-Name: 5f60b527b938c0778e8f725c635ce0dc5ed7a4e01fd6252aa2cdb64da2f625bc
 2020-03-10 19:24:38 +00:00
dan
0ea2d42ac3 Report an error if the main, or any other, database encoding is modified by an external process (perhaps using the backup API) after the db has been opened. 
FossilOrigin-Name: 895bd20b29e223496e1585483c6ce3335ae9050f2e5de4d6b69d0e40df396862
 2020-03-05 18:04:09 +00:00
drh
42a630b1da Change the sqlite3.pDfltColl (the default collating sequence for the 
database connection) so that it is the collating sequence appropriate for
the database encoding, not the UTF8 collating sequence.  This helps to
ensure that the database encoding collation is always used, even for
expressions that do not have an defined collating sequence.
Ticket [1b8d7264567eb6fc].

FossilOrigin-Name: 4a5851893c3d71cc823b6ab5df5e58a852cd322fff26290f1ea05b63d67f564a
 2020-03-05 16:13:24 +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
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
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
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
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
8875b9e7b5 Rearchitect the way in which filenames are stored in the Pager object so that 
the sqlite3_uri_parameter() interface will work from journal and WAL filenames
too.  This check-in implements the central idea, and compile and runs somewhat,
but crashes on an extended test.

FossilOrigin-Name: 2ae77bd2335708343bce4541b4d2cf16edfe3fd5bc2dfb93757238c926aa960b
 2020-01-10 18:05:55 +00:00
drh
05b32ee3c0 Fix a problem that restricted edgy functions in TEMP tables. 
New test cases added.

FossilOrigin-Name: 8878c40753566a8c4ccd1d413019cabde7569b947f730527d13bfc3db384e97d
 2020-01-09 01:20:03 +00:00
drh
0dfa5255bc Check for whether or not it is safe to use non-innocuous functions as the 
function is being coded, not when its name is resolved.

FossilOrigin-Name: 1da802d54b689a462e1fe899c6ffa08ef14d34f36728b14b055b5a76b1edc274
 2020-01-08 17:28:19 +00:00
drh
b77da374ab Invert the UNTRUSTED_SCHEMA setting to be TRUSTED_SCHEMA. 
FossilOrigin-Name: f5fcf1fbc6473f8e91315b14d67745f2748010641b7463d1f4ca51e6fdf97462
 2020-01-07 16:09:11 +00:00
drh
2928a15b3c Refactor names of flags for improved legibility. 
FossilOrigin-Name: 411e8ec2219bb4181aaf2209fb1e7baf5e8df8b8c8adb82a69b48cf7e8e7e7d4
 2020-01-06 15:25:41 +00:00
drh
67c826536f Refactor the names of the new controls for restricting what actions the schema 
can take behind the application's back.

FossilOrigin-Name: 65d7d39a858c51ffd781f5a6335e029895e597aeb1e1ccdadea8ce79c8ad412f
 2020-01-04 20:58:41 +00:00
drh
79d5bc80c7 Enhance PRAGMA function_list so that it shows all instances of each FuncDef, 
the number of arguments, the encoding, the type, and the flags.  Use this
capability to locate and fix incorrect function flags in the standard build.

FossilOrigin-Name: 9ca906d24a2e88eddb2fd067783512b66cfc49dce1596d816a1c38a09d128218
 2020-01-04 01:43:02 +00:00
drh
4be621e1ba Invert the SQLITE_FUNC_SAFE bit to be SQLITE_FUNC_UNSAFE. The external 
bit is still SQLITE_INNOCUOUS.  It gets inverted as the appdef function
is registered.

FossilOrigin-Name: 1c266cb3be46d26e640752a99979acb1a1809361ba70ca3fca981c42383c360e
 2020-01-03 21:57:53 +00:00