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Improved testing of the min/max optimization. (CVS 5373)

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FossilOrigin-Name: fa07c360b708324c47c8e9931f1e2b1b24e4faf8
This commit is contained in:
drh
2008-07-08 18:05:26 +00:00
parent 49fc1f60b0
commit 0880a74633
5 changed files with 176 additions and 16 deletions
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160
test/minmax.test
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@ -13,7 +13,7 @@
# aggregate min() and max() functions and which are handled as
# as a special case.
#
# $Id: minmax.test,v 1.20 2008/01/05 17:39:30 danielk1977 Exp $
# $Id: minmax.test,v 1.21 2008/07/08 18:05:26 drh Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
@ -84,6 +84,19 @@ do_test minmax-1.10 {
set sqlite_search_count
} {19}
do_test minmax-1.21 {
execsql {SELECT min(x) FROM t1 WHERE x=5}
} {5}
do_test minmax-1.22 {
execsql {SELECT min(x) FROM t1 WHERE x>=5}
} {5}
do_test minmax-1.23 {
execsql {SELECT min(x) FROM t1 WHERE x>=4.5}
} {5}
do_test minmax-1.24 {
execsql {SELECT min(x) FROM t1 WHERE x<4.5}
} {1}
do_test minmax-2.0 {
execsql {
CREATE TABLE t2(a INTEGER PRIMARY KEY, b);
@ -381,4 +394,149 @@ do_test minmax-10.12 {
} {{} {}}
do_test minmax-11.1 {
execsql {
CREATE INDEX t1i2 ON t1(y,x);
SELECT min(x) FROM t1 WHERE y=5;
}
} {16}
do_test minmax-11.2 {
execsql {
SELECT max(x) FROM t1 WHERE y=5;
}
} {20}
do_test minmax-11.3 {
execsql {
SELECT min(x) FROM t1 WHERE y=6;
}
} {{}}
do_test minmax-11.4 {
execsql {
SELECT max(x) FROM t1 WHERE y=6;
}
} {{}}
do_test minmax-11.5 {
execsql {
SELECT min(x) FROM t1 WHERE y=1;
}
} {1}
do_test minmax-11.6 {
execsql {
SELECT max(x) FROM t1 WHERE y=1;
}
} {1}
do_test minmax-11.7 {
execsql {
SELECT min(x) FROM t1 WHERE y=0;
}
} {{}}
do_test minmax-11.8 {
execsql {
SELECT max(x) FROM t1 WHERE y=0;
}
} {{}}
do_test minmax-11.9 {
execsql {
SELECT min(x) FROM t1 WHERE y=5 AND x>=17.5;
}
} {18}
do_test minmax-11.10 {
execsql {
SELECT max(x) FROM t1 WHERE y=5 AND x>=17.5;
}
} {20}
do_test minmax-12.1 {
execsql {
CREATE TABLE t7(a,b,c);
INSERT INTO t7 SELECT y, x, x*y FROM t1;
INSERT INTO t7 SELECT y, x, x*y+1000 FROM t1;
CREATE INDEX t7i1 ON t7(a,b,c);
SELECT min(a) FROM t7;
}
} {1}
do_test minmax-12.2 {
execsql {
SELECT max(a) FROM t7;
}
} {5}
do_test minmax-12.3 {
execsql {
SELECT max(a) FROM t7 WHERE a=5;
}
} {5}
do_test minmax-12.4 {
execsql {
SELECT min(b) FROM t7 WHERE a=5;
}
} {16}
do_test minmax-12.5 {
execsql {
SELECT max(b) FROM t7 WHERE a=5;
}
} {20}
do_test minmax-12.6 {
execsql {
SELECT min(b) FROM t7 WHERE a=4;
}
} {8}
do_test minmax-12.7 {
execsql {
SELECT max(b) FROM t7 WHERE a=4;
}
} {15}
do_test minmax-12.8 {
execsql {
SELECT min(c) FROM t7 WHERE a=4 AND b=10;
}
} {40}
do_test minmax-12.9 {
execsql {
SELECT max(c) FROM t7 WHERE a=4 AND b=10;
}
} {1040}
do_test minmax-12.10 {
execsql {
SELECT min(rowid) FROM t7;
}
} {1}
do_test minmax-12.11 {
execsql {
SELECT max(rowid) FROM t7;
}
} {40}
do_test minmax-12.12 {
execsql {
SELECT min(rowid) FROM t7 WHERE a=3;
}
} {4}
do_test minmax-12.13 {
execsql {
SELECT max(rowid) FROM t7 WHERE a=3;
}
} {27}
do_test minmax-12.14 {
execsql {
SELECT min(rowid) FROM t7 WHERE a=3 AND b=5;
}
} {5}
do_test minmax-12.15 {
execsql {
SELECT max(rowid) FROM t7 WHERE a=3 AND b=5;
}
} {25}
do_test minmax-12.16 {
execsql {
SELECT min(rowid) FROM t7 WHERE a=3 AND b=5 AND c=1015;
}
} {25}
do_test minmax-12.17 {
execsql {
SELECT max(rowid) FROM t7 WHERE a=3 AND b=5 AND c=15;
}
} {5}
finish_test