dan
ce1037352d
Fix a problem with using a window-function SELECT as a FROM clause sub-query
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in some circumstances.
FossilOrigin-Name: 11d733396f75ef1f206cd6f35630ff176484279861772918b9ea69412c13c62d
2018-06-23 07:59:39 +00:00
dan
67a9b8eded
Omit all window-function related code when building with SQLITE_OMIT_WINDOWFUNC.
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FossilOrigin-Name: 5f04b016467342b5a796bf702ed25b621eb86f2961c1e703d276c93f2cb6aa89
2018-06-22 20:51:35 +00:00
dan
cc4644183b
Fix a problem caused by a sub-query containing a window function in the FROM
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clause of a query that itself uses a window function.
FossilOrigin-Name: f4b1b6f85b53d72e735a1382f7c3de75af405a7878dd8cdcb10394e859ea3d69
2018-06-19 18:11:05 +00:00
dan
6fb2b54ceb
Fix a problem with using min() or max() as a window function.
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FossilOrigin-Name: 801074ce63d3f4825cc9fa508c42629a9f74e7f9e35c5f238343bb1cff4fbae1
2018-06-19 17:13:11 +00:00
dan
c95f38d456
Fix problems with using window functions in CREATE VIEW statements.
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FossilOrigin-Name: 943bccd2a6bd4cf3e0534c1fa46885bfa2ba7b780ddcdff9f1ea4cbb3f04e786
2018-06-18 20:34:43 +00:00
dan
660af939b0
Add new API function sqlite3_create_window_function(), for creating new
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aggregate window functions.
FossilOrigin-Name: da03fb4318fd2613ec5c5b109a3974ac1120c19ed16bed4ca85bbdc4b35c998c
2018-06-18 16:55:22 +00:00
dan
13b08bb6ff
Add extra OOM test.
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FossilOrigin-Name: ac251f72608c27c1512a0b3457524f5378a0b13d93d829cf0ed8bc178bc54a73
2018-06-15 20:46:12 +00:00
dan
e0a5e20fa8
Fix a bug in the lead() and lag() window functions causing them to fail when
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used in queries featuring multiple window functions.
FossilOrigin-Name: 3839fb18f917e4f705821198d624b19d84eb07f1ee29ad23314ab7cec6bf6a2b
2018-06-15 16:10:44 +00:00
dan
9a94722d48
Fix problem with window functions min() and max() when used with a PARTITION
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clause and a frame starting point other than "UNBOUNDED PRECEDING".
FossilOrigin-Name: 43eb1e75a4d7ac0973ed8589bbaf379c24cdc8eacc4e613610d2d4c24d385dc1
2018-06-14 19:06:36 +00:00
dan
26522d1c45
Fix handling of window frames containing negative number of rows. e.g. "ROWS x
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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.
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FossilOrigin-Name: ceaf798ea09184bc0e7d3dcf3ad4d909d2e4e7018754a8417a813f33010140a7
2018-06-09 17:43:45 +00:00
dan
dacf1de95c
Do not flatten sub-queries that contain window functions.
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FossilOrigin-Name: 236cb75bd1f0d5eb86aa5f52d8d548e7263c34633833dcea9dfc934f142113b8
2018-06-08 16:11:55 +00:00
dan
6bc5c9e788
Add implementation of window function ntile().
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FossilOrigin-Name: 3f093f608c6cc193aac77e7eafa8006c27a7776682d9d7b6e743710dff41ae42
2018-06-04 18:55:11 +00:00
dan
b6e9f7a4d1
Fix minor problems on this branch.
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FossilOrigin-Name: 19c2e4b2f164521eab84cb0a0e12984be9431eaedd001dd3671e9ea1a6212353
2018-05-19 14:15:29 +00:00
dan
e2f781b9d1
Evaluate multiple window functions in a single pass if they use the same
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window definition. Add xValue callbacks for other built-in aggregate
functions.
FossilOrigin-Name: c9f0f140941660ff368e5bb5752d54feb1964b7a9eac986d4bfb8f24a1c20d86
2018-05-17 19:24:08 +00:00
dan
2e362f9775
Handle multiple window-functions in a single query.
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FossilOrigin-Name: 35af0b750e70dcf0f343b115f4bbd0860a7e8064be204d4dfba1a43c22ff07b1
2018-05-17 14:26:27 +00:00
dan
86fb6e1738
Start of experimental implementation of SQL window functions. Does not yet
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work.
FossilOrigin-Name: 3781e520854808fe02ad3fe77dd11fc917448c58ff1fd79123289dd91937decd
2018-05-16 20:58:07 +00:00
