Thank you for checking the issue. It seems I use an outdated version 3.11.0:
$ uname -a Linux chrx 4.8.17-galliumos #1 SMP PREEMPT galliumos4 Thu Feb 23 02:27:28 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux $ sqlite3 --version 3.11.0 2016-02-15 17:29:24 3d862f207e3adc00f78066799ac5a8c282430a5f Regards, Egor. On Wed, Nov 1, 2017 at 11:30 AM, Egor Shalashnikov <egor.shalashnikov...@gmail.com> wrote: > Yes, absolutely correct > > On Nov 1, 2017 10:55 AM, "Clemens Ladisch" <clem...@ladisch.de> wrote: >> >> Egor Shalashnikov wrote: >> > create table t(n number, v varchar2(10)); >> > insert into t values (1, 'one') >> > explain select * from t where 0 < n; >> >> If you omit the EXPLAIN, is the code executed correctly? >> >> > addr opcode p1 p2 p3 p4 p5 comment >> > ---- ------------- ---- ---- ---- ------------- -- ------------- >> > 13 Integer 0 2 0 00 r[2]=0 >> > ... >> > 2 Rewind 0 9 0 00 >> > 3 Column 0 0 1 00 r[1]=t.n >> > 4 Le 2 8 1 (BINARY) 53 if >> > r[2]<=r[1] goto 8 >> > 5 Copy 1 3 0 00 r[3]=r[1] >> > 6 Column 0 1 4 00 r[4]=t.v >> > 7 ResultRow 3 2 0 00 >> > output=r[3..4] >> > 8 Next 0 3 0 01 >> > ... >> > The line 4 seems wrong for me, because t.n(r[1]) should be <= than >> > 0(r[2]) to be ignored (goto 8). >> >> The synopsis of OP_Le would be "if r[P3]<=r[P1] goto P2". >> >> There is indeed something wrong in your EXPLAIN output. But my 3.21.0 >> correctly shows "r[1]<=r[2]". >> >> >> Regards, >> Clemens >> _______________________________________________ >> sqlite-users mailing list >> sqlite-users@mailinglists.sqlite.org >> http://mailinglists.sqlite.org/cgi-bin/mailman/listinfo/sqlite-users _______________________________________________ sqlite-users mailing list sqlite-users@mailinglists.sqlite.org http://mailinglists.sqlite.org/cgi-bin/mailman/listinfo/sqlite-users
