mirror of
https://github.com/tursodatabase/libsql.git
synced 2024-12-15 06:19:42 +00:00
289 lines
7.5 KiB
Plaintext
289 lines
7.5 KiB
Plaintext
# 2008 January 5
|
|
#
|
|
# The author disclaims copyright to this source code. In place of
|
|
# a legal notice, here is a blessing:
|
|
#
|
|
# May you do good and not evil.
|
|
# May you find forgiveness for yourself and forgive others.
|
|
# May you share freely, never taking more than you give.
|
|
#
|
|
#***********************************************************************
|
|
# $Id: minmax3.test,v 1.5 2008/07/12 14:52:20 drh Exp $
|
|
|
|
set testdir [file dirname $argv0]
|
|
source $testdir/tester.tcl
|
|
|
|
# Do not use a codec for tests in this file, as the database file is
|
|
# manipulated directly using tcl scripts (using the [hexio_write] command).
|
|
#
|
|
do_not_use_codec
|
|
|
|
# Do an SQL statement. Append the search count to the end of the result.
|
|
#
|
|
proc count sql {
|
|
set ::sqlite_search_count 0
|
|
return [concat [execsql $sql] $::sqlite_search_count]
|
|
}
|
|
|
|
# This procedure sets the value of the file-format in file 'test.db'
|
|
# to $newval. Also, the schema cookie is incremented.
|
|
#
|
|
proc set_file_format {newval} {
|
|
hexio_write test.db 44 [hexio_render_int32 $newval]
|
|
set schemacookie [hexio_get_int [hexio_read test.db 40 4]]
|
|
incr schemacookie
|
|
hexio_write test.db 40 [hexio_render_int32 $schemacookie]
|
|
return {}
|
|
}
|
|
|
|
do_test minmax3-1.0 {
|
|
execsql {
|
|
CREATE TABLE t1(x, y, z);
|
|
}
|
|
db close
|
|
set_file_format 4
|
|
sqlite3 db test.db
|
|
execsql {
|
|
BEGIN;
|
|
INSERT INTO t1 VALUES('1', 'I', 'one');
|
|
INSERT INTO t1 VALUES('2', 'IV', 'four');
|
|
INSERT INTO t1 VALUES('2', NULL, 'three');
|
|
INSERT INTO t1 VALUES('2', 'II', 'two');
|
|
INSERT INTO t1 VALUES('2', 'V', 'five');
|
|
INSERT INTO t1 VALUES('3', 'VI', 'six');
|
|
COMMIT;
|
|
PRAGMA automatic_index=OFF;
|
|
}
|
|
} {}
|
|
do_test minmax3-1.1.1 {
|
|
# Linear scan.
|
|
count { SELECT max(y) FROM t1 WHERE x = '2'; }
|
|
} {V 5}
|
|
do_test minmax3-1.1.2 {
|
|
# Index optimizes the WHERE x='2' constraint.
|
|
execsql { CREATE INDEX i1 ON t1(x) }
|
|
count { SELECT max(y) FROM t1 WHERE x = '2'; }
|
|
} {V 9}
|
|
do_test minmax3-1.1.3 {
|
|
# Index optimizes the WHERE x='2' constraint and the MAX(y).
|
|
execsql { CREATE INDEX i2 ON t1(x,y) }
|
|
count { SELECT max(y) FROM t1 WHERE x = '2'; }
|
|
} {V 1}
|
|
do_test minmax3-1.1.4 {
|
|
# Index optimizes the WHERE x='2' constraint and the MAX(y).
|
|
execsql { DROP INDEX i2 ; CREATE INDEX i2 ON t1(x, y DESC) }
|
|
count { SELECT max(y) FROM t1 WHERE x = '2'; }
|
|
} {V 1}
|
|
do_test minmax3-1.1.5 {
|
|
count { SELECT max(y) FROM t1 WHERE x = '2' AND y != 'V'; }
|
|
} {IV 2}
|
|
do_test minmax3-1.1.6 {
|
|
count { SELECT max(y) FROM t1 WHERE x = '2' AND y < 'V'; }
|
|
} {IV 1}
|
|
do_test minmax3-1.1.6 {
|
|
count { SELECT max(y) FROM t1 WHERE x = '2' AND z != 'five'; }
|
|
} {IV 4}
|
|
|
|
do_test minmax3-1.2.1 {
|
|
# Linear scan of t1.
|
|
execsql { DROP INDEX i1 ; DROP INDEX i2 }
|
|
count { SELECT min(y) FROM t1 WHERE x = '2'; }
|
|
} {II 5}
|
|
do_test minmax3-1.2.2 {
|
|
# Index i1 optimizes the WHERE x='2' constraint.
|
|
execsql { CREATE INDEX i1 ON t1(x) }
|
|
count { SELECT min(y) FROM t1 WHERE x = '2'; }
|
|
} {II 9}
|
|
do_test minmax3-1.2.3 {
|
|
# Index i2 optimizes the WHERE x='2' constraint and the min(y).
|
|
execsql { CREATE INDEX i2 ON t1(x,y) }
|
|
count { SELECT min(y) FROM t1 WHERE x = '2'; }
|
|
} {II 1}
|
|
do_test minmax3-1.2.4 {
|
|
# Index optimizes the WHERE x='2' constraint and the MAX(y).
|
|
execsql { DROP INDEX i2 ; CREATE INDEX i2 ON t1(x, y DESC) }
|
|
count { SELECT min(y) FROM t1 WHERE x = '2'; }
|
|
} {II 1}
|
|
|
|
do_test minmax3-1.3.1 {
|
|
# Linear scan
|
|
execsql { DROP INDEX i1 ; DROP INDEX i2 }
|
|
count { SELECT min(y) FROM t1; }
|
|
} {I 5}
|
|
do_test minmax3-1.3.2 {
|
|
# Index i1 optimizes the min(y)
|
|
execsql { CREATE INDEX i1 ON t1(y) }
|
|
count { SELECT min(y) FROM t1; }
|
|
} {I 1}
|
|
do_test minmax3-1.3.3 {
|
|
# Index i1 optimizes the min(y)
|
|
execsql { DROP INDEX i1 ; CREATE INDEX i1 ON t1(y DESC) }
|
|
count { SELECT min(y) FROM t1; }
|
|
} {I 1}
|
|
|
|
do_test minmax3-1.4.1 {
|
|
# Linear scan
|
|
execsql { DROP INDEX i1 }
|
|
count { SELECT max(y) FROM t1; }
|
|
} {VI 5}
|
|
do_test minmax3-1.4.2 {
|
|
# Index i1 optimizes the max(y)
|
|
execsql { CREATE INDEX i1 ON t1(y) }
|
|
count { SELECT max(y) FROM t1; }
|
|
} {VI 0}
|
|
do_test minmax3-1.4.3 {
|
|
# Index i1 optimizes the max(y)
|
|
execsql { DROP INDEX i1 ; CREATE INDEX i1 ON t1(y DESC) }
|
|
execsql { SELECT y from t1}
|
|
count { SELECT max(y) FROM t1; }
|
|
} {VI 0}
|
|
do_test minmax3-1.4.4 {
|
|
execsql { DROP INDEX i1 }
|
|
} {}
|
|
|
|
do_test minmax3-2.1 {
|
|
execsql {
|
|
CREATE TABLE t2(a, b);
|
|
CREATE INDEX i3 ON t2(a, b);
|
|
INSERT INTO t2 VALUES(1, NULL);
|
|
INSERT INTO t2 VALUES(1, 1);
|
|
INSERT INTO t2 VALUES(1, 2);
|
|
INSERT INTO t2 VALUES(1, 3);
|
|
INSERT INTO t2 VALUES(2, NULL);
|
|
INSERT INTO t2 VALUES(2, 1);
|
|
INSERT INTO t2 VALUES(2, 2);
|
|
INSERT INTO t2 VALUES(2, 3);
|
|
INSERT INTO t2 VALUES(3, 1);
|
|
INSERT INTO t2 VALUES(3, 2);
|
|
INSERT INTO t2 VALUES(3, 3);
|
|
}
|
|
} {}
|
|
do_test minmax3-2.2 {
|
|
execsql { SELECT min(b) FROM t2 WHERE a = 1; }
|
|
} {1}
|
|
do_test minmax3-2.3 {
|
|
execsql { SELECT min(b) FROM t2 WHERE a = 1 AND b>1; }
|
|
} {2}
|
|
do_test minmax3-2.4 {
|
|
execsql { SELECT min(b) FROM t2 WHERE a = 1 AND b>-1; }
|
|
} {1}
|
|
do_test minmax3-2.5 {
|
|
execsql { SELECT min(b) FROM t2 WHERE a = 1; }
|
|
} {1}
|
|
do_test minmax3-2.6 {
|
|
execsql { SELECT min(b) FROM t2 WHERE a = 1 AND b<2; }
|
|
} {1}
|
|
do_test minmax3-2.7 {
|
|
execsql { SELECT min(b) FROM t2 WHERE a = 1 AND b<1; }
|
|
} {{}}
|
|
do_test minmax3-2.8 {
|
|
execsql { SELECT min(b) FROM t2 WHERE a = 3 AND b<1; }
|
|
} {{}}
|
|
|
|
do_test minmax3-3.1 {
|
|
execsql {
|
|
DROP TABLE t2;
|
|
CREATE TABLE t2(a, b);
|
|
CREATE INDEX i3 ON t2(a, b DESC);
|
|
INSERT INTO t2 VALUES(1, NULL);
|
|
INSERT INTO t2 VALUES(1, 1);
|
|
INSERT INTO t2 VALUES(1, 2);
|
|
INSERT INTO t2 VALUES(1, 3);
|
|
INSERT INTO t2 VALUES(2, NULL);
|
|
INSERT INTO t2 VALUES(2, 1);
|
|
INSERT INTO t2 VALUES(2, 2);
|
|
INSERT INTO t2 VALUES(2, 3);
|
|
INSERT INTO t2 VALUES(3, 1);
|
|
INSERT INTO t2 VALUES(3, 2);
|
|
INSERT INTO t2 VALUES(3, 3);
|
|
}
|
|
} {}
|
|
do_test minmax3-3.2 {
|
|
execsql { SELECT min(b) FROM t2 WHERE a = 1; }
|
|
} {1}
|
|
do_test minmax3-3.3 {
|
|
execsql { SELECT min(b) FROM t2 WHERE a = 1 AND b>1; }
|
|
} {2}
|
|
do_test minmax3-3.4 {
|
|
execsql { SELECT min(b) FROM t2 WHERE a = 1 AND b>-1; }
|
|
} {1}
|
|
do_test minmax3-3.5 {
|
|
execsql { SELECT min(b) FROM t2 WHERE a = 1; }
|
|
} {1}
|
|
do_test minmax3-3.6 {
|
|
execsql { SELECT min(b) FROM t2 WHERE a = 1 AND b<2; }
|
|
} {1}
|
|
do_test minmax3-3.7 {
|
|
execsql { SELECT min(b) FROM t2 WHERE a = 1 AND b<1; }
|
|
} {{}}
|
|
do_test minmax3-3.8 {
|
|
execsql { SELECT min(b) FROM t2 WHERE a = 3 AND b<1; }
|
|
} {{}}
|
|
|
|
do_test minmax3-4.1 {
|
|
execsql {
|
|
CREATE TABLE t4(x);
|
|
INSERT INTO t4 VALUES('abc');
|
|
INSERT INTO t4 VALUES('BCD');
|
|
SELECT max(x) FROM t4;
|
|
}
|
|
} {abc}
|
|
do_test minmax3-4.2 {
|
|
execsql {
|
|
SELECT max(x COLLATE nocase) FROM t4;
|
|
}
|
|
} {BCD}
|
|
do_test minmax3-4.3 {
|
|
execsql {
|
|
SELECT max(x), max(x COLLATE nocase) FROM t4;
|
|
}
|
|
} {abc BCD}
|
|
do_test minmax3-4.4 {
|
|
execsql {
|
|
SELECT max(x COLLATE binary), max(x COLLATE nocase) FROM t4;
|
|
}
|
|
} {abc BCD}
|
|
do_test minmax3-4.5 {
|
|
execsql {
|
|
SELECT max(x COLLATE nocase), max(x COLLATE rtrim) FROM t4;
|
|
}
|
|
} {BCD abc}
|
|
do_test minmax3-4.6 {
|
|
execsql {
|
|
SELECT max(x COLLATE nocase), max(x) FROM t4;
|
|
}
|
|
} {BCD abc}
|
|
do_test minmax3-4.10 {
|
|
execsql {
|
|
SELECT min(x) FROM t4;
|
|
}
|
|
} {BCD}
|
|
do_test minmax3-4.11 {
|
|
execsql {
|
|
SELECT min(x COLLATE nocase) FROM t4;
|
|
}
|
|
} {abc}
|
|
do_test minmax3-4.12 {
|
|
execsql {
|
|
SELECT min(x), min(x COLLATE nocase) FROM t4;
|
|
}
|
|
} {BCD abc}
|
|
do_test minmax3-4.13 {
|
|
execsql {
|
|
SELECT min(x COLLATE binary), min(x COLLATE nocase) FROM t4;
|
|
}
|
|
} {BCD abc}
|
|
do_test minmax3-4.14 {
|
|
execsql {
|
|
SELECT min(x COLLATE nocase), min(x COLLATE rtrim) FROM t4;
|
|
}
|
|
} {abc BCD}
|
|
do_test minmax3-4.15 {
|
|
execsql {
|
|
SELECT min(x COLLATE nocase), min(x) FROM t4;
|
|
}
|
|
} {abc BCD}
|
|
|
|
|
|
finish_test
|