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Including the phrase EXCLUDE NO OTHERS in the frame-spec of a window function

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(which is the default setting for EXCLUDE) silently disables the xInverse
optimization.  This is a feature, but we will keep it undocumented for now
in case we later decide it is a bad idea.

FossilOrigin-Name: 10aedce3dd2c0c9f0ee9e0aefd0b4d2c2eb17c4ca72003c4db9768ea5cdafcf4
This commit is contained in:
drh 2019-04-02 17:45:01 +00:00
parent 3fda0aaf00
commit 3de52e8fa0
3 changed files with 8 additions and 8 deletions
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12
manifest
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@ -1,5 +1,5 @@
C Put\sthe\slist\sof\skeywords\sin\smkkeywordhash.c\sinto\salphabetical\sorder.
D 2019-04-02T13:10:50.080
C Including\sthe\sphrase\sEXCLUDE\sNO\sOTHERS\sin\sthe\sframe-spec\sof\sa\swindow\sfunction\n(which\sis\sthe\sdefault\ssetting\sfor\sEXCLUDE)\ssilently\sdisables\sthe\sxInverse\noptimization.\s\sThis\sis\sa\sfeature,\sbut\swe\swill\skeep\sit\sundocumented\sfor\snow\nin\scase\swe\slater\sdecide\sit\sis\sa\sbad\sidea.
D 2019-04-02T17:45:01.994
F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@ -506,7 +506,7 @@ F src/os_win.c 85d9e532d0444ab6c16d7431490c2e279e282aa0917b0e988996b1ae0de5c5a0
F src/os_win.h 7b073010f1451abe501be30d12f6bc599824944a
F src/pager.c 422fd8cfa59fb9173eff36a95878904a0eeb0dcc62ba49350acc8b1e51c4dc7b
F src/pager.h 217921e81eb5fe455caa5cda96061959706bcdd29ddb57166198645ef7822ac3
F src/parse.y a020386af1739371b2eafba077497aacf2a840d1a178508dc6f8c19448e42054
F src/parse.y db16b24caee36f68746fd4748cab3c53238a8a4a78587659733e41c84d7be36d
F src/pcache.c 696a01f1a6370c1b50a09c15972bc3bee3333f8fcd1f2da8e9a76b1b062c59ee
F src/pcache.h 4f87acd914cef5016fae3030343540d75f5b85a1877eed1a2a19b9f284248586
F src/pcache1.c a72804486dfa8e4b6bc30d666c97ecf1155f91a4351fc6e48ea4097e4eb304fb
@ -1815,7 +1815,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
P f7ba2daf91c96ba16958188d6084a0ff129310d348932de493d326f1d24679cd
R fb5baea31c37dc7a14f14dc93cb58885
P ac98b23b34632fbc654a34a8b3d842ce65603e4c04d89c589b46f4d48a61152d
R ccc26cc09417891dfc0ff61e732d7e8b
U drh
Z 5e2fb03c081becc1703e189975bd7451
Z a38f1dddda472c0bcfd7c92782bb8c85

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@ -1 +1 @@
ac98b23b34632fbc654a34a8b3d842ce65603e4c04d89c589b46f4d48a61152d
10aedce3dd2c0c9f0ee9e0aefd0b4d2c2eb17c4ca72003c4db9768ea5cdafcf4

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src/parse.y
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@ -1717,7 +1717,7 @@ frame_exclude_opt(A) ::= . { A = 0; }
frame_exclude_opt(A) ::= EXCLUDE frame_exclude(X). { A = X; }
%type frame_exclude {u8}
frame_exclude(A) ::= NO OTHERS. { A = 0; }
frame_exclude(A) ::= NO OTHERS. { A = TK_NO; }
frame_exclude(A) ::= CURRENT ROW. { A = TK_CURRENT; }
frame_exclude(A) ::= GROUP. { A = TK_GROUP; }
frame_exclude(A) ::= TIES. { A = TK_TIES; }