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# 2010 December 6
#
# 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.
#
#***********************************************************************
# This file implements regression tests for SQLite library. Specifically,
# it tests that ticket [80ba201079ea608071d22a57856b940ea3ac53ce] is
# resolved. That ticket is about an incorrect result that appears when
# an index is added. The root cause is that a constant is being used
# without initialization when the OR optimization applies in the WHERE clause.
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
set ::testprefix tkt-80ba201079
do_test tkt-80ba2-100 {
db eval {
CREATE TABLE t1(a);
INSERT INTO t1 VALUES('A');
CREATE TABLE t2(b);
INSERT INTO t2 VALUES('B');
CREATE TABLE t3(c);
INSERT INTO t3 VALUES('C');
SELECT * FROM t1, t2
WHERE (a='A' AND b='X')
OR (a='A' AND EXISTS (SELECT * FROM t3 WHERE c='C'));
}
} {A B}
do_test tkt-80ba2-101 {
db eval {
CREATE INDEX i1 ON t1(a);
SELECT * FROM t1, t2
WHERE (a='A' AND b='X')
OR (a='A' AND EXISTS (SELECT * FROM t3 WHERE c='C'));
}
} {A B}
do_test tkt-80ba2-102 {
optimization_control db factor-constants 0
db cache flush
db eval {
SELECT * FROM t1, t2
WHERE (a='A' AND b='X')
OR (a='A' AND EXISTS (SELECT * FROM t3 WHERE c='C'));
}
} {A B}
optimization_control db all 1
# Verify that the optimization_control command is actually working
#
do_test tkt-80ba2-150 {
optimization_control db factor-constants 1
db cache flush
set x1 [db eval {EXPLAIN
SELECT * FROM t1, t2
WHERE (a='A' AND b='X')
OR (a='A' AND EXISTS (SELECT * FROM t3 WHERE c='C'));}]
optimization_control db factor-constants 0
db cache flush
set x2 [db eval {EXPLAIN
SELECT * FROM t1, t2
WHERE (a='A' AND b='X')
OR (a='A' AND EXISTS (SELECT * FROM t3 WHERE c='C'));}]
expr {$x1==$x2}
} {0}
do_test tkt-80ba2-200 {
db eval {
CREATE TABLE entry_types (
id integer primary key,
name text
);
INSERT INTO "entry_types" VALUES(100,'cli_command');
INSERT INTO "entry_types" VALUES(300,'object_change');
CREATE TABLE object_changes (
change_id integer primary key,
system_id int,
obj_id int,
obj_context text,
change_type int,
command_id int
);
INSERT INTO "object_changes" VALUES(1551,1,114608,'exported_pools',1,2114);
INSERT INTO "object_changes" VALUES(2048,1,114608,'exported_pools',2,2319);
CREATE TABLE timeline (
rowid integer primary key,
timestamp text,
system_id int,
entry_type int,
entry_id int
);
INSERT INTO "timeline" VALUES(6735,'2010-11-21 17:08:27.000',1,300,2048);
INSERT INTO "timeline" VALUES(6825,'2010-11-21 17:09:21.000',1,300,2114);
SELECT entry_type,
entry_types.name,
entry_id
FROM timeline JOIN entry_types ON entry_type = entry_types.id
WHERE (entry_types.name = 'cli_command' AND entry_id=2114)
OR (entry_types.name = 'object_change'
AND entry_id IN (SELECT change_id
FROM object_changes
WHERE obj_context = 'exported_pools'));
}
} {300 object_change 2048}
do_test tkt-80ba2-201 {
db eval {
CREATE INDEX timeline_entry_id_idx on timeline(entry_id);
SELECT entry_type,
entry_types.name,
entry_id
FROM timeline JOIN entry_types ON entry_type = entry_types.id
WHERE (entry_types.name = 'cli_command' AND entry_id=2114)
OR (entry_types.name = 'object_change'
AND entry_id IN (SELECT change_id
FROM object_changes
WHERE obj_context = 'exported_pools'));
}
} {300 object_change 2048}
do_test tkt-80ba2-202 {
optimization_control db factor-constants 0
db cache flush
db eval {
SELECT entry_type,
entry_types.name,
entry_id
FROM timeline JOIN entry_types ON entry_type = entry_types.id
WHERE (entry_types.name = 'cli_command' AND entry_id=2114)
OR (entry_types.name = 'object_change'
AND entry_id IN (SELECT change_id
FROM object_changes
WHERE obj_context = 'exported_pools'));
}
} {300 object_change 2048}
#-------------------------------------------------------------------------
#
drop_all_tables
do_execsql_test 301 {
CREATE TABLE t1(a, b, c);
CREATE INDEX i1 ON t1(a);
CREATE INDEX i2 ON t1(b);
CREATE TABLE t2(d, e);
INSERT INTO t1 VALUES('A', 'B', 'C');
INSERT INTO t2 VALUES('D', 'E');
}
do_execsql_test 302 {
SELECT * FROM t1, t2 WHERE
(a='A' AND d='E') OR
(b='B' AND c IN ('C', 'D', 'E'))
} {A B C D E}
do_execsql_test 303 {
SELECT * FROM t1, t2 WHERE
(a='A' AND d='E') OR
(b='B' AND c IN (SELECT c FROM t1))
} {A B C D E}
ifcapable compound {
do_execsql_test 304 {
SELECT * FROM t1, t2 WHERE
(a='A' AND d='E') OR
(b='B' AND c IN (SELECT 'B' UNION SELECT 'C' UNION SELECT 'D'))
} {A B C D E}
}
do_execsql_test 305 {
SELECT * FROM t1, t2 WHERE
(b='B' AND c IN ('C', 'D', 'E')) OR
(a='A' AND d='E')
} {A B C D E}
do_execsql_test 306 {
SELECT * FROM t1, t2 WHERE
(b='B' AND c IN (SELECT c FROM t1)) OR
(a='A' AND d='E')
} {A B C D E}
ifcapable compound {
do_execsql_test 307 {
SELECT * FROM t1, t2 WHERE
(b='B' AND c IN (SELECT 'B' UNION SELECT 'C' UNION SELECT 'D')) OR
(a='A' AND d='E')
} {A B C D E}
}
finish_test
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