mirrors/sqlite
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
28,644 Commits 1,487 Branches 166 Tags 416 MiB
6ba175f0c8
Commit Graph

25 Commits

Author SHA1 Message Date
dan
553948e514 Fix handling of window functions in aggregate queries that have no GROUP BY clause. Also remove a faulty assert causing the error reported in [618156e3]. 
FossilOrigin-Name: 38e3dd389d142e520c71139ec84aa3c7722992af28a5f93a7f16e0ea176b74bb
 2020-03-16 18:52:53 +00:00
dan
b6299681c6 Add extra test cases related to the previous commit. 
FossilOrigin-Name: 3c690b2b05b7338f3325c50a0750c6023e1173afa4388e836ecb2cc49f19a0ac
 2019-08-10 14:35:06 +00:00
dan
108e6b2c87 Always evaluate window functions using the alternative path usually only used by EXCLUDE frames if the SQLITE_QueryFlattener test flag is set. 
FossilOrigin-Name: 2879a691aca9304aea5acb46bab8e82bb2e08eb54201f3679d60bfc0e8383845
 2019-03-18 18:55:35 +00:00
dan
6c75b39614 Finish consolidation of window frame code. Add untested support for GROUPS frames. 
FossilOrigin-Name: 954bf369935083c188c3b14e77ed89fc5ec4323cc5b0c67e4a2e48fcc278df45
 2019-03-08 20:02:52 +00:00
dan
2fae150402 Fix a problem with views that use window functions as part of complex expressions. 
FossilOrigin-Name: 507d892c3a40a0bacbd47ed3c4fe2d8925a82716ae08da8401750a42782ba454
 2018-09-24 14:51:59 +00:00
dan
a1a7e112fe Throw an error if the second argument passed to nth_value() is not a positive 
integer.

FossilOrigin-Name: 1a06e57a0b4279fa580c7ff4f152645f005794aaf86eeabf694637b7da11f763
 2018-07-09 13:31:18 +00:00
dan
d4fc49f735 Fix a problem with the handling of NULL values in the min() window function. 
FossilOrigin-Name: b76f35b09235d44dc3d176377bbb9c18b7cdc9392800103ff53c54730a427a5c
 2018-07-07 17:30:44 +00:00
dan
cf0343b699 Remove some bad assert() statements from the implementations of window 
functions percent_rank() and cume_dist().

FossilOrigin-Name: 443f0c286f1659937fd61b4ef2de17d0d015369e5ff5249a9e0c3d0ee4925158
 2018-07-06 13:25:02 +00:00
dan
867be212bc Fix another problem that could cause a crash when a window function was used 
in a view.

FossilOrigin-Name: e954145a3addf60247954b9161473cd02ae2400f469840523093e25e23fbc54d
 2018-06-25 11:42:08 +00:00
dan
67a9b8eded Omit all window-function related code when building with SQLITE_OMIT_WINDOWFUNC. 
FossilOrigin-Name: 5f04b016467342b5a796bf702ed25b621eb86f2961c1e703d276c93f2cb6aa89
 2018-06-22 20:51:35 +00:00
dan
b7306f6f6e Fix a problem with handling single row partitions in the percent_rank() window 
function.

FossilOrigin-Name: b84fbf16eac718c151731e2b2dcc73f2f2a144e3670f8566a30793f1e4e6a3ec
 2018-06-21 19:20:39 +00:00
dan
6fde1799f8 Fix another problem in lead()/lag(). And some errors that could occur 
following OOM faults.

FossilOrigin-Name: fadd4dc119d8df0d871f4d839b7a11070e2ffb8927e84b3e7a94f34196db3de3
 2018-06-15 19:01:35 +00:00
dan
e0a5e20fa8 Fix a bug in the lead() and lag() window functions causing them to fail when 
used in queries featuring multiple window functions.

FossilOrigin-Name: 3839fb18f917e4f705821198d624b19d84eb07f1ee29ad23314ab7cec6bf6a2b
 2018-06-15 16:10:44 +00:00
dan
303451a8f7 Fix a problem with handling of statements containing two or more different 
windows.

FossilOrigin-Name: 567e09ef2a8cd84a2481117e52595bed0f3b588745a9e441aae0f87680f3a2e8
 2018-06-14 20:52:08 +00:00
dan
9a94722d48 Fix problem with window functions min() and max() when used with a PARTITION 
clause and a frame starting point other than "UNBOUNDED PRECEDING".

FossilOrigin-Name: 43eb1e75a4d7ac0973ed8589bbaf379c24cdc8eacc4e613610d2d4c24d385dc1
 2018-06-14 19:06:36 +00:00
dan
13078caac4 Fix problems with "RANGE BETWEEN CURRENT ROW AND UNBOUNDED FOLLOWING" window 
frames.

FossilOrigin-Name: c34f31dbd79891249ee9485e91f6ea558ee1db62e04fb0fff2c051612b8fa5e7
 2018-06-13 20:29:38 +00:00
dan
c0bb4459d3 Fix another issue to do with window-functions in aggregate queries. 
FossilOrigin-Name: 6413e38a174044c28fa9b8b937e6c972d144547a246e6f2882e782538300d042
 2018-06-12 20:53:38 +00:00
dan
7392569f5e Fix some problems with using window-functions in aggregate queries. 
FossilOrigin-Name: fe7081e0952950f577234fcbb58f3c1efa4579267654fd2f713dc4804e470e7e
 2018-06-12 18:40:17 +00:00
dan
26522d1c45 Fix handling of window frames containing negative number of rows. e.g. "ROWS x 
PRECEDING AND y PRECEDING" where (x<y).

FossilOrigin-Name: b6d9c7eda853420ae46a05bd432711e8bf9ebaa448c7d90ccfc0bcc338a87706
 2018-06-11 18:16:51 +00:00
dan
8b98560d6e Add support for FILTER clause on aggregate window functions. 
FossilOrigin-Name: ceaf798ea09184bc0e7d3dcf3ad4d909d2e4e7018754a8417a813f33010140a7
 2018-06-09 17:43:45 +00:00
dan
e3bf632cc2 Add support for the WINDOW clause. 
FossilOrigin-Name: 19c983b511f1c823fdfb051713681b4c779f02fa83b41189afca0a9b8b72048d
 2018-06-08 20:58:27 +00:00
dan
03854d2ecc Fixes to allow group_concat() to be used as a window function. 
FossilOrigin-Name: 89bbc9ba8f66853a7530453f146c9df1baacd8558468016cefa7602911f7578a
 2018-06-08 11:45:28 +00:00
dan
fe4e25a0f6 Add window functions lag() and lead(). 
FossilOrigin-Name: ef34207073c21ce8618486777671ae78d23f290acd6d3c37e91a49b69cb506ac
 2018-06-07 20:08:59 +00:00
dan
ec891fd40c Add implementation of nth_value() window function. 
FossilOrigin-Name: eb1fb420ac70857e7ca4cbad78be15a27bee8f915ba2da080c7efa1879c06c31
 2018-06-06 20:51:02 +00:00
dan
6bc5c9e788 Add implementation of window function ntile(). 
FossilOrigin-Name: 3f093f608c6cc193aac77e7eafa8006c27a7776682d9d7b6e743710dff41ae42
 2018-06-04 18:55:11 +00:00