drh
b9a6e42a55
Improved documentation of recent enhancements to the percentile extension.
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2024-09-01 23:47:20 +00:00
drh
ca447020ae
Implement percentile_cont() and percentile_disc().
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FossilOrigin-Name: b1a93f67d6b21df6fe3247c9333fead61dd425574f66ea3eb06b80c2b06f616a
2024-09-01 20:24:24 +00:00
drh
5d5d6194c9
Merge fixes from trunk into the ordere-set-agg branch.
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2024-09-01 18:57:52 +00:00
drh
c97ad9b4e1
Improved sort function in the percentile extension.
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FossilOrigin-Name: 9f84e8d59bcda642e732565e840f6a880a01b2fc65af2651248f6a8a6e1cb65a
2024-09-01 18:54:31 +00:00
drh
41155d8885
Fix to the quicksort algorithm in the percentile extension.
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FossilOrigin-Name: 54313f74b24c46f1afa1ff082ef569fa46938527095be358015e7047e17702ac
2024-09-01 10:52:20 +00:00
drh
df2d14b86e
Add error checking: Do not allow functions other than those in the
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percentile extension to use the ordered-set aggregate notation.
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2024-08-31 22:22:24 +00:00
drh
c1042cd133
Include percentile() and merge() in the fuzzcheck test utility.
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FossilOrigin-Name: d1d0942a947803d45a1fd9068f3518cf412178b6b9bafcb82db44c52d5820c11
2024-08-31 19:24:17 +00:00
drh
65b1244781
Omit the percentile_cont() function added by [095c22e62248f8ef] (and not yet
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released) since its usage conflicts with the PG percentile_cont() function.
FossilOrigin-Name: 3fe0a852978f3f1218e37a58f0d3b54016d4116a3301aa32efa7c4c12c767755
2024-08-31 18:35:10 +00:00
drh
ad8ec9db63
Avoid unnecessary sort operations when running one of the percentile
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aggregates as a window function.
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2024-08-31 16:55:14 +00:00
drh
90fa4c7b2c
Enhance the percentile() and median() extension functions so that they can be
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window functions.
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2024-08-31 14:31:17 +00:00
drh
b18d851119
Add the percentile_cont(Y,P) variant of percentile() to the percentile
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extension.
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2024-07-24 13:41:09 +00:00
drh
171c944345
Enhance the percentile() extension function to include the median()
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variant. Update the implementation to implement its own sorting
algorithm, so that the extension no longer depends on qsort().
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2024-07-23 16:23:46 +00:00
drh
2b1c2aad9f
Create the "trusted_schema" pragma. Add sqlite3_vtab_config() calls to set
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the risk rank for many virtual tables.
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2020-01-07 19:45:40 +00:00
drh
8f46f34e2d
Remove a redundant parameter extraction call from the percentile.c extension.
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FossilOrigin-Name: d49c32e6e7cc341b5961d2c7b7c68d1649c6542eeec201660e3f82a55aea9e3b
2019-03-02 12:17:35 +00:00
drh
2d77d80a65
Use 64-bit math to compute the sizes of memory allocations in extensions.
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FossilOrigin-Name: ca67f2ec0e294384c397db438605df1b47aae5f348a8de94f97286997625d169
2019-01-08 20:02:48 +00:00
mistachkin
69def7ff2f
Work in progress on setting a calling convention for all callback functions.
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FossilOrigin-Name: 02b8040e1add02734d2dbc6c59737ab74ff8fb18
2016-07-28 04:14:37 +00:00
dan
ed20073b8d
Make a couple of implicit casts explicit to fix compiler warnings.
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2013-07-05 10:46:08 +00:00
drh
def3367e50
Add the percentile() SQL function as a loadable
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extension in the ext/misc directory.
FossilOrigin-Name: a64d760d9290b1be78cdda7ae66d4f02c3b3fa53
2013-05-28 20:25:54 +00:00
