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Commit Graph

199 Commits

Author SHA1 Message Date
drh
ba01634cd3 Ensure that the same subquery does not go through the window-function rewrite 
more than once, even when that subquery is part of a virtual table constraint
that lacks the omit flag.

FossilOrigin-Name: d0bc7db6b0a53edc04815622c46250d26f526f56e59f14875f4e18c75b49000d
 2019-11-14 13:24:04 +00:00
drh
b19131a8c6 Add a missing VdbeCoverage() macro. 
FossilOrigin-Name: 36d35dbd5a80dc4a149ed7409cc4b43712622fc4c6a8915b4fbb62fd1d6b7763
 2019-09-25 18:44:49 +00:00
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
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
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
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
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
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
dan
8b47f52082 Fix a bug in RANGE window functions that use "ORDER BY <expr> DESC NULLS FIRST" as the window-frame ORDER BY clause. 
FossilOrigin-Name: 39b4cad4a51bb5116d62ffb16ac36d96a9280321b049eb2d008605392f52a459
 2019-08-30 16:14:58 +00:00
drh
f76ccb7d54 Remove an unreachable branch in the NULLS LAST logic of RANGE window 
functions.

FossilOrigin-Name: 47cd634c98b502d40a493455ba6d73cbd0dae74944f9cf06fcbcd025f4b49d6e
 2019-08-29 16:17:59 +00:00
dan
f236b21f4b Add missing VdbeCoverage() macros to new code. 
FossilOrigin-Name: b1cbcdc6eb42cca0c42a05e0d6ba4c6c7f09adff0c59ecfc5b434a94dec07a41
 2019-08-21 19:58:11 +00:00
dan
ae8e45cb0c Fix problems with window frames that use ORDER BY ... NULLS LAST etc. 
FossilOrigin-Name: 75d665a494dd7d6e77d5a80af386ee5accc0a53416d5493424dc0fef6c7b01a0
 2019-08-19 19:59:50 +00:00
dan
5b32bdff80 Merge trunk changes into this branch. 
FossilOrigin-Name: db1e60800bc260cdcd604739daaba72c6b486158123fc62a3898aca4ead33cd3
 2019-08-17 15:47:32 +00:00
dan
a3fcc000cb Ensure that SQLite does not attempt to process incompatible window functions in a single scan. Fix for [256741a1]. 
FossilOrigin-Name: 4f5b2d938194fab7627486e2ced633def2c90d9d3328e3700612feb9dbfa3d9a
 2019-08-15 13:53:22 +00:00
dan
6e11892db8 Experimental implementation of NULLS FIRST/LAST. This branch still has problems - the most significant of which is that ORDER BY clauses with a non-default NULLS FIRST/LAST qualifier can never use an index. 
FossilOrigin-Name: 07babb0f897fc8c9cb5b30481899c32fdd743f3f3ca508d8d957826252107dd5
 2019-08-12 16:36:38 +00:00
dan
0e3c50c5dc Eliminate some more cases of redundant sorting in window-function queries. 
FossilOrigin-Name: 8158d2aca68c5a253054376fdf1b8eaab2db874f4b93524742be7340e9c50dd5
 2019-08-07 17:45:37 +00:00
drh
96fb16eecd Use 0x40 (ASCII '@') instead of 0x00 to mean "no affinity" so that columns 
with no affinity can appear in a zero-terminated string.  Use the new
SQLITE_AFF_NONE macro for this new magic number.

FossilOrigin-Name: e8234f6939ccff4c10f741cf66d1c537cfebcbd0d1d79a618a64c755a7f087b5
 2019-08-06 14:37:24 +00:00
dan
2046a77365 Fix the patch on this branch so that it works with sub-queries, as well as views. 
FossilOrigin-Name: 7480db307c39b86bce269583e5917f5e1a3990500552fd98400ef3e7088c0b2a
 2019-08-05 19:44:47 +00:00
drh
81506b88b8 One of two options on how to address ticket [61c853857f40da49]. In this 
mode, we back out the documentation change of
[https://www.sqlite.org/docsrc/info/07b7749da88d54e5|&#91;07b7749da88d54e5&#93;]
and change the core to work as it has been documented to work since 2017,
rather than how it has actually worked since 2009.

FossilOrigin-Name: 09cd0c0c6e6c963e0039a733876e5149adb3cd10e9b92699fa1dcb0633e997a4
 2019-08-05 19:32:06 +00:00
drh
e209457295 Consolidate the removal of Window objects from the Select.pWin list into 
a single subroutine.

FossilOrigin-Name: e46b2afc99329c43de08d4a2e6ade4d2239d7409c5d5626bf272a3e0dd24d1b4
 2019-07-22 19:01:38 +00:00
dan
75b0821e99 Remove Window objects from the corresponding Select.pWin list when they are deleted. 
FossilOrigin-Name: d23f33168222dfa40a67dc7de58057418151989e81429e4af47617e86db04667
 2019-07-22 16:20:03 +00:00
drh
b555b0806e Fix a new problem in the BETWEEN operator when applied to a window function. 
The problem was introduced yesterday by check-in [7ef7b23cbb1b9ace].

FossilOrigin-Name: 47e23064ba0205148f89e12803a62d5a4d6d2054f593f60c031e815112170b9b
 2019-07-19 01:11:27 +00:00
drh
55f66b341a Add new assert() statements in an attempt to help static analyzers avoid 
false-positives.

FossilOrigin-Name: 9e66458592d40fbd96ea5f21339573110ca1cfe328238a020c9420a87d35dd72
 2019-07-16 19:44:32 +00:00
dan
4f9adee289 Rework the FILTER clause implementation to share more code with window functions. 
FossilOrigin-Name: 5dac8c38dfc3f41c5c8fb49ca35de7fd1b21f269d72e8ba6ba59ed0a4030a54d
 2019-07-13 16:22:50 +00:00
dan
648d629953 Merge latest trunk changes into this branch. 
FossilOrigin-Name: 86ab963cc5743867e0535b78a5776e18c13835aa44bf2009f77642df8407cb3f
 2019-07-13 09:56:56 +00:00
dan
62742fd264 Ensure collation sequences and affinities work in window function queries. Fix for [9ece23d2]. 
FossilOrigin-Name: 28196d894ac9fad9d8f877c7bf17ec9d299d12acdcc942f9ea0783777b14fdc5
 2019-07-08 12:01:39 +00:00
dan
6ba7ab0d25 Experimental implementation of FILTER clause for aggregate functions. 
FossilOrigin-Name: 1f1ae2d6ac8dcbb62e5aa3dc17bc67d559cb565fc0d0a8c00a596075d35f8130
 2019-07-02 11:56:47 +00:00
dan
08f6de7f31 Treat integer values in window definition ORDER BY clauses as constants, not as references to another expression. 
FossilOrigin-Name: 7e4809eadfe99ebfd797a7c63501421021a720bbeed9fba81bebf630c58bb791
 2019-05-10 14:26:32 +00:00
dan
3f49c321e8 Fix a couple of problems with "RANGE BETWEEN <expr> PRECEDING AND <expr> PRECEDING" frames. 
FossilOrigin-Name: 39225cc77579896214dceb93b7f224b4b3bc95b3505a2e19b41b0b18b184fbc4
 2019-04-03 16:27:44 +00:00
drh
94809086e5 Use a separate bit on db->dbOptFlags to disable the xInverse optimization on 
window functions, rather than reusing the query-flattener disable bit.

FossilOrigin-Name: bc0fb1c324be2fd668bc4398c7d364b7e3c5a98537fe5fb58a125b66f3e6d041
 2019-04-02 17:45:56 +00:00
drh
495ed62e85 Frame range comparisons can never be NULL because the values will have 
been checked for NULL prior to the test.

FossilOrigin-Name: fa37cf9a6aa3e4325674cb6af68f617d25e349c3f694d0117a19a36fc42daf15
 2019-04-01 16:23:21 +00:00
drh
83c5bb997a Mark rowid-comparison opcodes as never-null for VDBE coverage tracking 
purposes.

FossilOrigin-Name: a69bb4f257500e40ef4056d5628ef25266def5bcef07eebdb471a79fffe80237
 2019-04-01 15:55:38 +00:00
drh
21826f44bf Improved VDBE branch coverage in the run-time frame-spec error detection 
logic of window functions.

FossilOrigin-Name: f56d305a7bad6608d51d8c8cef417ddb66cff50f0a75d28554ea669e47f3d90d
 2019-04-01 14:30:30 +00:00
drh
ce5752cd1f Add some missing VdbeCoverage() macros. 
FossilOrigin-Name: d03b611302f68483770d49b113b4ed685ba03526d2007647c306f8ec7ae697d2
 2019-03-31 18:17:00 +00:00
drh
6f88359df6 Fix issues with the previous check-in and add more VDBE branch coverage 
testing macros.

FossilOrigin-Name: b5f72f10f2dfdbee9fe98c63ffb933e841203790746a920b99df14ca5c14127c
 2019-03-30 20:37:04 +00:00
drh
bf00f6d7ec Enhanced VdbeCoverage() macros in the new windows function code. 
FossilOrigin-Name: f24066f8dd847dfb656f26c4a8142e7fb6a412ffe325aea6254cb122cfbb3e1c
 2019-03-30 20:10:11 +00:00
drh
fc15f4c528 Improved TreeView display of Window objects. 
Change the Window.eType field to Window.eFrmType to avoid confusion with
other "eType" values.

FossilOrigin-Name: ec2f207dedb223077bbd3e4584499250eb12219712c917e930acccfa2c46e23b
 2019-03-28 13:03:41 +00:00
mistachkin
ba9ee09598 Fix harmless compiler warnings seen with MSVC. 
FossilOrigin-Name: 5be64ea8e33f632f9c337feac9b0663d8e6e59fc9a71e5d832d9fd905c06458e
 2019-03-27 14:58:18 +00:00
dan
725b1cfc53 Fix a problem with window frames that use "BETWEEN <start> AND 0 PRECEDING". 
FossilOrigin-Name: 7927b6b023502e990d23f30251b5b0918b547726b863bfb6747dcd7f1f71d19a
 2019-03-26 16:47:17 +00:00
drh
d4a591dd6b Fix harmless compiler warnings. 
FossilOrigin-Name: a063f7c426d1ac066bf05cc03288f49b1c92e06a8cb2bc271cce9bd3022a74ea
 2019-03-26 16:21:11 +00:00
dan
c7694a6d1d Remove assert() statements based on the counter-factual proposition that 0 is not a valid cursor number. 
FossilOrigin-Name: c7b336181aac6785a515f275c0f50ad4bf2dee20abde959b56d968a7fdce3e5b
 2019-03-21 13:51:09 +00:00
dan
6603342f12 Fix a problem with EXCLUDE clauses on window frames with no ORDER BY. 
FossilOrigin-Name: e0255063799a2a8531f0eaa8790334509591a5ababc5b915035b46d2faa80363
 2019-03-19 19:19:53 +00:00
dan
1d4b25fa50 Add missing VdbeCoverage() macros to new code in window.c. 
FossilOrigin-Name: 4f9b93e6cfa0b3b6ab8a126299c2b2a242f840453dc450e84d3df87576cf6cf8
 2019-03-19 16:49:15 +00:00