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23,340 Commits 1,611 Branches 185 Tags
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16048 Commits

Author SHA1 Message Date
drh
2829df082c Remove an unused variable. 
FossilOrigin-Name: a19884455b9bafcdc769362d61cfd02df1b5643263e004cb533698bbcfca752b
 2019-09-25 17:47:41 +00:00
dan
e7579a53fb Further simplifications to window-function code. 
FossilOrigin-Name: 5fe15c1d8383989257e11d1806e6b035acacd1b504ae385ba58d20db10f26eee
 2019-09-25 16:41:44 +00:00
drh
edf8a7bf57 In the previous check-in, the variable should be openMode, not openFlags. 
FossilOrigin-Name: 77b0db22d6c7a031f332bfcf1c8fcd94e464de9f2396f0327ee761a30ebc8b60
 2019-09-25 11:49:36 +00:00
drh
1116b1785c In the unix VFS layer, do not attempt to chown() the journal to be the same 
as the database if running in 8+3 filename mode.  Also, update the comments
on the chown() attempt to be more precise.

FossilOrigin-Name: ab853724a7e01ca32167d294c3c80d6632e805bdf39b6d56db82226a00ad72dc
 2019-09-25 10:36:31 +00:00
drh
c5b35ae567 Simplifications to the window-function code. 
FossilOrigin-Name: 489a1eb3aa2f1225b97b50a5f8688cf1a4ab0371973da1badc29616d70386c03
 2019-09-25 02:07:50 +00:00
dan
37d296a717 Bug fixes for window frames of the form (... RANGE BETWEEN b PRECEDING AND a PRECEDING) or (... RANGE a FOLLOWING AND b FOLLOWING) where (a > b). 
FossilOrigin-Name: 040e196a8be3ca41b9365310ab88c2a3cc84b918a6511c77a6d95d4b4e0da3ed
 2019-09-24 20:20:05 +00:00
drh
5776ee5cf5 Omit the sqlite3IntTokens array constant for a code simplification. 
FossilOrigin-Name: f907395ef5a2dc1d084b6a286af00de4c742cf12d4f347c21e1b757786508f57
 2019-09-23 12:38:10 +00:00
drh
7ca1347f59 When a scalar subquery has a pre-existing "LIMIT X" then change it to 
"LIMIT X<>0" rather than just "LIMIT 1" so that if X is 0 the limit
will still be zero.  Ticket [99cd4807dc03f178]

FossilOrigin-Name: 82e5dcf5c1d500ed82f398b38fdae0f30033804e897fbab3c10f1e15e2abedef
 2019-09-23 11:55:22 +00:00
drh
b7fc7c8556 Fix a harmless unused variable warning in the test logic. 
FossilOrigin-Name: d7673a445f4cde8f71153ce81efdc34fbed8b8625714d54afae1a83d548671ff
 2019-09-21 18:49:12 +00:00
drh
e39f388eb1 Fix harmless compiler warnings. 
FossilOrigin-Name: 8ea1dc727d391b15d0c4fa858ff68d5b8a63dde46408f24027dac8d28f044cbd
 2019-09-21 17:31:03 +00:00
dan
8c9bcb2328 Allow SQLite to omit redundant ORDER BY sorts in the case where a SELECT statement has GROUP BY and ORDER BY clauses that use the same expressions, even when the ORDER BY expressions are marked "DESC". 
FossilOrigin-Name: 20f7951bb238ddc0b8932a55145df426b6fdf7b8631e069345902c853c90f191
 2019-09-21 15:44:12 +00:00
dan
af9b58b335 Simplify the fix in the previous commit. 
FossilOrigin-Name: 5ef64b0f55d952c7b0016055eaf6bbc1b5b7afc09a62ee8e5e694ffa9863ac7c
 2019-09-20 21:12:40 +00:00
dan
ed09dddece Fix a problem with queries containing a min() or max() function for which the FILTER clause excludes all rows. 
FossilOrigin-Name: b1d7e104e034655fe41bc55c562d91e8074a2973d538b8b29301458db45afc57
 2019-09-20 20:52:16 +00:00
drh
6d2566dfc2 Always clear the temporary register cache after coding a subroutine. 
FossilOrigin-Name: b6f2a7f9cdb547c925f08306df82519e41a7a0dd2cabd9861a48917bb6eef845
 2019-09-18 20:34:54 +00:00
dan
572b0dddee Add extra tests for the handling of corrupt records in fts3. 
FossilOrigin-Name: 40e29a47d1266c16a4992e43579a51addcc632503099c4cd128f77dd4e67da3c
 2019-09-18 17:22:00 +00:00
drh
aa16c603ab Fix another potential "jump depends on uninitialized value" warning. 
FossilOrigin-Name: 633b214e9b9d99788ed72ab4823a69a43c7c40ed07fb76c7d56c50453c0e58ab
 2019-09-18 12:49:34 +00:00
drh
9d70284022 Fix an OOB read in the INSTR() function introduced yesterday by check-in 
[3fb40f518086c1e8] and detected by OSSFuzz.  The test case is in TH3.

FossilOrigin-Name: d49047c1b59bbfd05204af9973cdb0fab51b4d2661b550aec10d917fff94dc9b
 2019-09-18 11:16:46 +00:00
drh
ec722c1088 Do not change the OP_String8 opcode into OP_String until *after* any necessary 
encoding conversions are accomplished.  Otherwise, a rerun of the prepared
statement after an OOM can result in errors.  Test case in TH3.

FossilOrigin-Name: 8efd62594eae725decb719aa7777c020f982b7cdc2c92bab3b91bf349a5bc298
 2019-09-17 21:28:54 +00:00
drh
97b0250599 Fix the instr() SQL function so that it makes a copy of its argument 
before changing the datatype, since the datatype affects processing.
Also fix the sqlite3_value_text() routine so that it always works even
for values obtained form sqlite3_value_dup().  Ticket [587791f92620090e]

FossilOrigin-Name: 3fb40f518086c1e8d11eb1f4134e965450dbedfa4277bce39ef1e969fc747d38
 2019-09-17 03:16:29 +00:00
drh
70738712de Improved type information display when tracing VDBE execution. 
FossilOrigin-Name: ee83d8e30d6f9ca8f1cce653ee094ff151f633f4b6a21dd814ab07e8cfb901eb
 2019-09-16 20:16:17 +00:00
drh
91f473b5cc Do not attempt the LIKE optimization for non-text columns and a pattern 
prefix of "-".  Ticket [0f0428096f17252a]

FossilOrigin-Name: 6fe0367f9a337b7c62886b7771f3ce0642faa13f4e4f3d9a0c848abbab514cd0
 2019-09-16 18:19:41 +00:00
drh
2ad35d980b Documentation updates for the SQLITE_DIRECTONLY flag. 
FossilOrigin-Name: 5beb6dc9bc2d3d0003e33488df9c01aaf28c41c30fd9ca35543cbe3ec5a8d9ce
 2019-09-16 14:42:07 +00:00
dan
b42eb3571c Fix a problem with processing CTEs that use a WINDOW clause. 
FossilOrigin-Name: ca564d4b5b19fe56842a04f31bb61352e6ae9d72a7e7634eb27ebcf5f670545a
 2019-09-16 05:34:08 +00:00
dan
8cce6b8310 Add the --no-rowids option to the ".recover" command. 
FossilOrigin-Name: 01d71b947a7422081d5c7d6ac2c91b9c936dc41926ab58c92f4a088a64e8c051
 2019-09-14 16:44:51 +00:00
drh
d44c617ad4 Extra comments on fields of the Window object. 
FossilOrigin-Name: 3dbed162518a73213bbfb137c763064518fdc2daeae3952cfab39ce0e6813d3f
 2019-09-14 16:21:02 +00:00
dan
51a75aaa76 Fix a problem with using json1 window functions with an EXCLUDE clause. 
FossilOrigin-Name: 4a1978814da41608a16f6953bd575c97d587a34bd80b7ac0e619d62bfdc903d2
 2019-09-13 20:42:46 +00:00
dan
01a3b6b1b2 Change the meaning of the SQLITE_SUBTYPE flag so that it indicates that the user-defined function cares about the subtypes of its arguments. 
FossilOrigin-Name: af1bc20f502816db460d2b2d353f715da5cf660e59095de5214c829c1cb20981
 2019-09-13 17:05:48 +00:00
dan
945a3527d5 Merge latest trunk changes with this branch. 
FossilOrigin-Name: 14ef7543465dd14d8fa141fcceb1950b5c2d265a3e862323969d747b39c0cd8c
 2019-09-13 16:19:53 +00:00
drh
c204d81a6c Enhance treeview to show SOFT-COLLATE for TK_COLLATE operators that omit 
the EP_Collate flag.

FossilOrigin-Name: a97804620a27acc30bebd2aaa04e38f2f36de48b0931038ca8bdc9cb0c36b8f4
 2019-09-10 17:51:27 +00:00
dan
fa50834914 Ensure the columns of views and sub-queries maintain their implicit collation sequences when the "push-down" optimization is applied. Fix for [18458b1a]. 
FossilOrigin-Name: 36997c4ade2ef3a274cd1ac52b44118fb3a05325adb650b7b338ecb43d060575
 2019-09-10 15:33:52 +00:00
dan
e08663946e Ensure the columns of views and sub-selects in the FROM clause of a select are always assigned implicit collation sequences, just as table columns are. Possible fix for [a7debbe0]. 
FossilOrigin-Name: 1863b7bf12521bdd2b51c5b8d3a4634bff3e15d3713e0b5343952df7da02f794
 2019-09-09 19:49:42 +00:00
dan
e2ba6df9f0 Add the SQLITE_SUBTYPE flag, which can be passed to sqlite3_create_function() and similar to indicate to the core that a user function is likely to use sqlite3_result_subtype(). 
FossilOrigin-Name: 6aa438ce41d460a6782ae63503128b9140c28ff59c2b2eed48b004acf83e0560
 2019-09-07 18:20:43 +00:00
dan
1a97c413f8 Fix handling of NULL, text and blob values in window queries that use "RANGE BETWEEN A FOLLOWING AND B FOLLOWING", or "B PRECEDING AND A PRECEDING", where A>B. 
FossilOrigin-Name: cb3e2be674316e1d39968eb6567f1fe1b72f9d89af49640a9e83f944979c4cf0
 2019-09-04 06:56:43 +00:00
drh
c7d12f4ad4 When we play games with COLLATE in order to commute an operator in the 
WHERE clause processing, be sure not to use the commuted operator to qualify
a partial index, as insufficient COLLATE information is preserved to verify
that the expression will correctly qualify the index.
Ticket [767a8cbc6d20bd68]

FossilOrigin-Name: 5351e920f489562f959ab8a376ff720f845ea165e0cdc7c3a271aac53c2aa64a
 2019-09-03 14:27:25 +00:00
drh
4fc836546e Fix a bug introduced earlier today by check-in [88833a9c2849c959]. 
Ticket [29f635e0af71234b]

FossilOrigin-Name: 6e7b4527d32cc1be0294614b9d7363d4b59cf654a954b86515b3f6888975ce73
 2019-09-02 22:13:06 +00:00
drh
dd668c26b5 When applying the IN_INDEX_NOOP optimization and the LHS has REAL affinity, 
also apply REAL affinity to each element of the RHS.
Ticket [2841e99d104c6436].

FossilOrigin-Name: 88833a9c2849c959a37a80e0e4d2b211ce3c83a48319724c89b172b060c876b4
 2019-09-02 02:21:58 +00:00
drh
0167ef202b Fix an obsolete comment that defines the meaning of one of the parameters 
to the sqlite3FindInIndex() subroutine.  No changes to code.

FossilOrigin-Name: 0c946f0846b2835f8facca806a4d4ecc2b2e97343de245a0d91716d998b2a829
 2019-09-02 01:25:07 +00:00
drh
bffdd63633 When computing an expression value for an index-on-expression or a CHECK 
constraint and the expressions uses a REAL table column, but the value of
that column is an integer (in other words, when it is using the 
store-real-as-integer optimization) be sure to promote the value to real
before evaluating the expression.  Ticket [57af00b6642ecd68].

FossilOrigin-Name: 0658c16e311393c8a347b1bd41fa5dbfd2e184aa75d84c011aa8dbac79b632e9
 2019-09-02 00:58:44 +00:00
drh
cc80db69e9 Remove an obsolete paragraph from the OP_Column documentation. No code 
changes.

FossilOrigin-Name: f6d8956cf8b5993a4332b9330e89d5c3d5f8872ea5a2ce3d2e91127406cc1839
 2019-09-01 23:36:33 +00:00
drh
35a38e0836 Fix a harmless compiler warning. 
FossilOrigin-Name: 63c67a54b4d3e501f3059dcdfc6bb50c6b8dad63a34eb773e4408d9e4e780d7a
 2019-08-31 20:29:28 +00:00
drh
81d25cf53d Mark new VDBE branches never taken. 
FossilOrigin-Name: 83c2adffbfb6dcdddb38ad9f888647b0e39fa24dc0bff344238e1f75a6c7d2ed
 2019-08-31 20:26:06 +00:00
drh
80f6bfc064 Improvements to the algorithm that determines which SELECT in a sequence 
of nested SELECT statements that an aggregate function belongs to.  This
resolves an issue identified by dbsqlfuzz.

FossilOrigin-Name: d768007473f4ed40abbdf2c7e501b580b1cc37c1620c7cb90af1f208a8c35145
 2019-08-31 20:13:30 +00:00
dan
f66bfcb740 If a DELETE trigger fired by an UPDATE OR REPLACE statement deletes the row being updated, do not attempt to proceed with the original UPDATE operation. Fix for [d6a0fbc1]. 
FossilOrigin-Name: 4145b3e05051ba6729105157a876793ad14a05d895fc10fe704f437eab16ea93
 2019-08-31 17:14:35 +00:00
drh
6a19865ff2 Remove some affinity tests that became unreachable due to the prior change. 
FossilOrigin-Name: e2db1123faac26c0e0b6a1ebef1685ea7633bfcafd1ff743ba5380700f7745af
 2019-08-31 01:33:19 +00:00
drh
7314495ff8 When the affinity of a table column is INT or REAL, make the affinity of 
corresponding index columns NUMERIC.  This increases the precision of
index lookups for large numbers so that it matches the precision of
ordinary comparison operators.  Ticket [40812aea1fde9594]

FossilOrigin-Name: e0d909c740b774d8a46731696e33342be83206cc4a95d07f42fdb3d8cc2d7a8e
 2019-08-30 23:56:34 +00:00
drh
a7ce167e5b Make sure OP_RealAffinity has been applied to all columns of type REAL 
in the excluded.* pseudo-table of an UPSERT.
Ticket [5a3dba8104421320]

FossilOrigin-Name: 67381dadede98a55d8d9e085d021e6fa6473071978967b6302e03b28cf2245e1
 2019-08-30 23:15:00 +00:00
drh
efb5f9a173 Improvements to VDBE tracing. No changes to code in normal deliverables. 
FossilOrigin-Name: 54553bf16fabd72d1967acef317beb518e086707ccd45890b7c7256b8da08b75
 2019-08-30 21:52:13 +00:00
dan
9889ede28d Add test case to window8.test. Also fix an error in a comment in window.c. 
FossilOrigin-Name: 2925bfa5971c8557ecaa6ac18df0825ebbbd1622017509e83451d90640146fa8
 2019-08-30 19:45:03 +00:00
drh
db3a32ed1c Back out the change at [47cd634c98b502d4] which was incorrect. Add a test 
case so that we don't accidently back out that change again.

FossilOrigin-Name: 596ac2a4eab28b74f4050fb4eb71883f2a1421fdbccf302413e4653391bb52c9
 2019-08-30 18:02:49 +00:00
dan
1cac1766df Add further comments to window.c. 
FossilOrigin-Name: 900464567b2a5ce0c278a3297e4be1968f609258608aa0fbe2fc67709aa22a4b
 2019-08-30 17:28:55 +00:00