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Fixes to the logic that decides if the ORDER BY can be ignored due to the

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use of an index.  Tests updated. (CVS 796)

FossilOrigin-Name: bfb9a2aa939ecffc5dc2c7c23bddd57d357bdf13
This commit is contained in:
drh
2002-12-04 21:50:16 +00:00
parent c045ec51be
commit dd4852c3d1
5 changed files with 158 additions and 20 deletions
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7
test/format3.test
View File

@ -12,7 +12,7 @@
# focus of this file is testing the the library is able to correctly
# handle file-format 3 (version 2.6.x) databases.
#
# $Id: format3.test,v 1.1 2002/08/31 16:52:45 drh Exp $
# $Id: format3.test,v 1.2 2002/12/04 21:50:16 drh Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
@ -638,6 +638,11 @@ do_test format3-10.13 {
cksort {
SELECT * FROM t3 WHERE a>0 ORDER BY a DESC LIMIT 3
}
} {100 1 10201 99 2 10000 98 3 9801 nosort}
do_test format3-10.13.1 {
cksort {
SELECT * FROM t3 WHERE a>0 ORDER BY a+1 DESC LIMIT 3
}
} {100 1 10201 99 2 10000 98 3 9801 sort}
do_test format3-10.14 {
cksort {

122
test/where.test
View File

@ -11,7 +11,7 @@
# This file implements regression tests for SQLite library. The
# focus of this file is testing the use of indices in WHERE clases.
#
# $Id: where.test,v 1.11 2002/10/22 23:38:04 drh Exp $
# $Id: where.test,v 1.12 2002/12/04 21:50:16 drh Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
@ -415,11 +415,51 @@ do_test where-6.8 {
SELECT * FROM t3 WHERE a IN (3,5,7,1,9,4,2) ORDER BY a LIMIT 3
}
} {1 100 4 2 99 9 3 98 16 sort}
do_test where-6.9 {
do_test where-6.9.1 {
cksort {
SELECT * FROM t3 WHERE a=1 AND c>0 ORDER BY a LIMIT 3
}
} {1 100 4 nosort}
do_test where-6.9.2 {
cksort {
SELECT * FROM t3 WHERE a=1 AND c>0 ORDER BY a,c LIMIT 3
}
} {1 100 4 nosort}
do_test where-6.9.3 {
cksort {
SELECT * FROM t3 WHERE a=1 AND c>0 ORDER BY c LIMIT 3
}
} {1 100 4 nosort}
do_test where-6.9.4 {
cksort {
SELECT * FROM t3 WHERE a=1 AND c>0 ORDER BY a DESC LIMIT 3
}
} {1 100 4 nosort}
do_test where-6.9.5 {
cksort {
SELECT * FROM t3 WHERE a=1 AND c>0 ORDER BY a DESC, c DESC LIMIT 3
}
} {1 100 4 nosort}
do_test where-6.9.6 {
cksort {
SELECT * FROM t3 WHERE a=1 AND c>0 ORDER BY c DESC LIMIT 3
}
} {1 100 4 nosort}
do_test where-6.9.7 {
cksort {
SELECT * FROM t3 WHERE a=1 AND c>0 ORDER BY c,a LIMIT 3
}
} {1 100 4 sort}
do_test where-6.9.8 {
cksort {
SELECT * FROM t3 WHERE a=1 AND c>0 ORDER BY a DESC, c ASC LIMIT 3
}
} {1 100 4 sort}
do_test where-6.9.9 {
cksort {
SELECT * FROM t3 WHERE a=1 AND c>0 ORDER BY a ASC, c DESC LIMIT 3
}
} {1 100 4 sort}
do_test where-6.10 {
cksort {
SELECT * FROM t3 WHERE a=1 AND c>0 ORDER BY a LIMIT 3
@ -439,6 +479,11 @@ do_test where-6.13 {
cksort {
SELECT * FROM t3 WHERE a>0 ORDER BY a DESC LIMIT 3
}
} {100 1 10201 99 2 10000 98 3 9801 nosort}
do_test where-6.13.1 {
cksort {
SELECT * FROM t3 WHERE a>0 ORDER BY -a LIMIT 3
}
} {100 1 10201 99 2 10000 98 3 9801 sort}
do_test where-6.14 {
cksort {
@ -471,6 +516,77 @@ do_test where-6.19 {
}
} {4 9 16 nosort}
# Tests for reverse-order sorting.
#
do_test where-7.1 {
cksort {
SELECT w FROM t1 WHERE x=3 ORDER BY y;
}
} {8 9 10 11 12 13 14 15 nosort}
do_test where-7.2 {
cksort {
SELECT w FROM t1 WHERE x=3 ORDER BY y DESC;
}
} {15 14 13 12 11 10 9 8 nosort}
do_test where-7.3 {
cksort {
SELECT w FROM t1 WHERE x=3 AND y>100 ORDER BY y LIMIT 3;
}
} {10 11 12 nosort}
do_test where-7.4 {
cksort {
SELECT w FROM t1 WHERE x=3 AND y>100 ORDER BY y DESC LIMIT 3;
}
} {15 14 13 nosort}
do_test where-7.5 {
cksort {
SELECT w FROM t1 WHERE x=3 AND y>121 ORDER BY y DESC;
}
} {15 14 13 12 11 nosort}
do_test where-7.6 {
cksort {
SELECT w FROM t1 WHERE x=3 AND y>=121 ORDER BY y DESC;
}
} {15 14 13 12 11 10 nosort}
do_test where-7.7 {
cksort {
SELECT w FROM t1 WHERE x=3 AND y>=121 AND y<196 ORDER BY y DESC;
}
} {12 11 10 nosort}
do_test where-7.8 {
cksort {
SELECT w FROM t1 WHERE x=3 AND y>=121 AND y<=196 ORDER BY y DESC;
}
} {13 12 11 10 nosort}
do_test where-7.9 {
cksort {
SELECT w FROM t1 WHERE x=3 AND y>121 AND y<=196 ORDER BY y DESC;
}
} {13 12 11 nosort}
do_test where-7.10 {
cksort {
SELECT w FROM t1 WHERE x=3 AND y>100 AND y<196 ORDER BY y DESC;
}
} {12 11 10 nosort}
do_test where-7.11 {
cksort {
SELECT w FROM t1 WHERE x=3 AND y>=121 AND y<196 ORDER BY y;
}
} {10 11 12 nosort}
do_test where-7.12 {
cksort {
SELECT w FROM t1 WHERE x=3 AND y>=121 AND y<=196 ORDER BY y;
}
} {10 11 12 13 nosort}
do_test where-7.13 {
cksort {
SELECT w FROM t1 WHERE x=3 AND y>121 AND y<=196 ORDER BY y;
}
} {11 12 13 nosort}
do_test where-7.14 {
cksort {
SELECT w FROM t1 WHERE x=3 AND y>100 AND y<196 ORDER BY y;
}
} {10 11 12 nosort}
finish_test