490 lines
15 KiB
Plaintext
490 lines
15 KiB
Plaintext
# 2006 January 31
|
|
#
|
|
# 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. The
|
|
# focus of this file is testing the join reordering optimization
|
|
# in cases that include a LEFT JOIN.
|
|
#
|
|
# $Id: where3.test,v 1.4 2008/04/17 19:14:02 drh Exp $
|
|
|
|
set testdir [file dirname $argv0]
|
|
source $testdir/tester.tcl
|
|
|
|
# The following is from ticket #1652.
|
|
#
|
|
# A comma join then a left outer join: A,B left join C.
|
|
# Arrange indices so that the B table is chosen to go first.
|
|
# Also put an index on C, but make sure that A is chosen before C.
|
|
#
|
|
do_test where3-1.1 {
|
|
execsql {
|
|
CREATE TABLE t1(a, b);
|
|
CREATE TABLE t2(p, q);
|
|
CREATE TABLE t3(x, y);
|
|
|
|
INSERT INTO t1 VALUES(111,'one');
|
|
INSERT INTO t1 VALUES(222,'two');
|
|
INSERT INTO t1 VALUES(333,'three');
|
|
|
|
INSERT INTO t2 VALUES(1,111);
|
|
INSERT INTO t2 VALUES(2,222);
|
|
INSERT INTO t2 VALUES(4,444);
|
|
CREATE INDEX t2i1 ON t2(p);
|
|
|
|
INSERT INTO t3 VALUES(999,'nine');
|
|
CREATE INDEX t3i1 ON t3(x);
|
|
|
|
SELECT * FROM t1, t2 LEFT JOIN t3 ON q=x WHERE p=2 AND a=q;
|
|
}
|
|
} {222 two 2 222 {} {}}
|
|
|
|
ifcapable explain {
|
|
do_test where3-1.1.1 {
|
|
explain_no_trace {SELECT * FROM t1, t2 LEFT JOIN t3 ON q=x
|
|
WHERE p=2 AND a=q}
|
|
} [explain_no_trace {SELECT * FROM t1, t2 LEFT JOIN t3 ON x=q
|
|
WHERE p=2 AND a=q}]
|
|
}
|
|
|
|
# Ticket #1830
|
|
#
|
|
# This is similar to the above but with the LEFT JOIN on the
|
|
# other side.
|
|
#
|
|
do_test where3-1.2 {
|
|
execsql {
|
|
CREATE TABLE parent1(parent1key, child1key, Child2key, child3key);
|
|
CREATE TABLE child1 ( child1key NVARCHAR, value NVARCHAR );
|
|
CREATE UNIQUE INDEX PKIDXChild1 ON child1 ( child1key );
|
|
CREATE TABLE child2 ( child2key NVARCHAR, value NVARCHAR );
|
|
|
|
INSERT INTO parent1(parent1key,child1key,child2key)
|
|
VALUES ( 1, 'C1.1', 'C2.1' );
|
|
INSERT INTO child1 ( child1key, value ) VALUES ( 'C1.1', 'Value for C1.1' );
|
|
INSERT INTO child2 ( child2key, value ) VALUES ( 'C2.1', 'Value for C2.1' );
|
|
|
|
INSERT INTO parent1 ( parent1key, child1key, child2key )
|
|
VALUES ( 2, 'C1.2', 'C2.2' );
|
|
INSERT INTO child2 ( child2key, value ) VALUES ( 'C2.2', 'Value for C2.2' );
|
|
|
|
INSERT INTO parent1 ( parent1key, child1key, child2key )
|
|
VALUES ( 3, 'C1.3', 'C2.3' );
|
|
INSERT INTO child1 ( child1key, value ) VALUES ( 'C1.3', 'Value for C1.3' );
|
|
INSERT INTO child2 ( child2key, value ) VALUES ( 'C2.3', 'Value for C2.3' );
|
|
|
|
SELECT parent1.parent1key, child1.value, child2.value
|
|
FROM parent1
|
|
LEFT OUTER JOIN child1 ON child1.child1key = parent1.child1key
|
|
INNER JOIN child2 ON child2.child2key = parent1.child2key;
|
|
}
|
|
} {1 {Value for C1.1} {Value for C2.1} 2 {} {Value for C2.2} 3 {Value for C1.3} {Value for C2.3}}
|
|
|
|
ifcapable explain {
|
|
do_test where3-1.2.1 {
|
|
explain_no_trace {
|
|
SELECT parent1.parent1key, child1.value, child2.value
|
|
FROM parent1
|
|
LEFT OUTER JOIN child1 ON child1.child1key = parent1.child1key
|
|
INNER JOIN child2 ON child2.child2key = parent1.child2key;
|
|
}
|
|
} [explain_no_trace {
|
|
SELECT parent1.parent1key, child1.value, child2.value
|
|
FROM parent1
|
|
LEFT OUTER JOIN child1 ON parent1.child1key = child1.child1key
|
|
INNER JOIN child2 ON child2.child2key = parent1.child2key;
|
|
}]
|
|
}
|
|
|
|
# This procedure executes the SQL. Then it appends
|
|
# the names of the table and index used
|
|
#
|
|
proc queryplan {sql} {
|
|
set ::sqlite_sort_count 0
|
|
set data [execsql $sql]
|
|
set eqp [execsql "EXPLAIN QUERY PLAN $sql"]
|
|
# puts eqp=$eqp
|
|
foreach {a b c x} $eqp {
|
|
if {[regexp { TABLE (\w+ AS )?(\w+) USING.* INDEX (\w+)\y} \
|
|
$x all as tab idx]} {
|
|
lappend data $tab $idx
|
|
} elseif {[regexp { TABLE (\w+ AS )?(\w+)\y} $x all as tab]} {
|
|
lappend data $tab *
|
|
}
|
|
}
|
|
return $data
|
|
}
|
|
|
|
|
|
# If you have a from clause of the form: A B C left join D
|
|
# then make sure the query optimizer is able to reorder the
|
|
# A B C part anyway it wants.
|
|
#
|
|
# Following the fix to ticket #1652, there was a time when
|
|
# the C table would not reorder. So the following reorderings
|
|
# were possible:
|
|
#
|
|
# A B C left join D
|
|
# B A C left join D
|
|
#
|
|
# But these reorders were not allowed
|
|
#
|
|
# C A B left join D
|
|
# A C B left join D
|
|
# C B A left join D
|
|
# B C A left join D
|
|
#
|
|
# The following tests are here to verify that the latter four
|
|
# reorderings are allowed again.
|
|
#
|
|
do_test where3-2.1 {
|
|
execsql {
|
|
CREATE TABLE tA(apk integer primary key, ax);
|
|
CREATE TABLE tB(bpk integer primary key, bx);
|
|
CREATE TABLE tC(cpk integer primary key, cx);
|
|
CREATE TABLE tD(dpk integer primary key, dx);
|
|
}
|
|
queryplan {
|
|
SELECT * FROM tA, tB, tC LEFT JOIN tD ON dpk=cx
|
|
WHERE cpk=bx AND bpk=ax
|
|
}
|
|
} {tA * tB * tC * tD *}
|
|
do_test where3-2.1.1 {
|
|
queryplan {
|
|
SELECT * FROM tA, tB, tC LEFT JOIN tD ON cx=dpk
|
|
WHERE cpk=bx AND bpk=ax
|
|
}
|
|
} {tA * tB * tC * tD *}
|
|
do_test where3-2.1.2 {
|
|
queryplan {
|
|
SELECT * FROM tA, tB, tC LEFT JOIN tD ON cx=dpk
|
|
WHERE bx=cpk AND bpk=ax
|
|
}
|
|
} {tA * tB * tC * tD *}
|
|
do_test where3-2.1.3 {
|
|
queryplan {
|
|
SELECT * FROM tA, tB, tC LEFT JOIN tD ON cx=dpk
|
|
WHERE bx=cpk AND ax=bpk
|
|
}
|
|
} {tA * tB * tC * tD *}
|
|
do_test where3-2.1.4 {
|
|
queryplan {
|
|
SELECT * FROM tA, tB, tC LEFT JOIN tD ON dpk=cx
|
|
WHERE bx=cpk AND ax=bpk
|
|
}
|
|
} {tA * tB * tC * tD *}
|
|
do_test where3-2.1.5 {
|
|
queryplan {
|
|
SELECT * FROM tA, tB, tC LEFT JOIN tD ON dpk=cx
|
|
WHERE cpk=bx AND ax=bpk
|
|
}
|
|
} {tA * tB * tC * tD *}
|
|
do_test where3-2.2 {
|
|
queryplan {
|
|
SELECT * FROM tA, tB, tC LEFT JOIN tD ON dpk=cx
|
|
WHERE cpk=bx AND apk=bx
|
|
}
|
|
} {tB * tA * tC * tD *}
|
|
do_test where3-2.3 {
|
|
queryplan {
|
|
SELECT * FROM tA, tB, tC LEFT JOIN tD ON dpk=cx
|
|
WHERE cpk=bx AND apk=bx
|
|
}
|
|
} {tB * tA * tC * tD *}
|
|
do_test where3-2.4 {
|
|
queryplan {
|
|
SELECT * FROM tA, tB, tC LEFT JOIN tD ON dpk=cx
|
|
WHERE apk=cx AND bpk=ax
|
|
}
|
|
} {tC * tA * tB * tD *}
|
|
do_test where3-2.5 {
|
|
queryplan {
|
|
SELECT * FROM tA, tB, tC LEFT JOIN tD ON dpk=cx
|
|
WHERE cpk=ax AND bpk=cx
|
|
}
|
|
} {tA * tC * tB * tD *}
|
|
do_test where3-2.6 {
|
|
queryplan {
|
|
SELECT * FROM tA, tB, tC LEFT JOIN tD ON dpk=cx
|
|
WHERE bpk=cx AND apk=bx
|
|
}
|
|
} {tC * tB * tA * tD *}
|
|
do_test where3-2.7 {
|
|
queryplan {
|
|
SELECT * FROM tA, tB, tC LEFT JOIN tD ON dpk=cx
|
|
WHERE cpk=bx AND apk=cx
|
|
}
|
|
} {tB * tC * tA * tD *}
|
|
|
|
# Ticket [13f033c865f878953]
|
|
# If the outer loop must be a full table scan, do not let ANALYZE trick
|
|
# the planner into use a table for the outer loop that might be indexable
|
|
# if held until an inner loop.
|
|
#
|
|
do_execsql_test where3-3.0 {
|
|
CREATE TABLE t301(a INTEGER PRIMARY KEY,b,c);
|
|
CREATE INDEX t301c ON t301(c);
|
|
INSERT INTO t301 VALUES(1,2,3);
|
|
CREATE TABLE t302(x, y);
|
|
INSERT INTO t302 VALUES(4,5);
|
|
ANALYZE;
|
|
explain query plan SELECT * FROM t302, t301 WHERE t302.x=5 AND t301.a=t302.y;
|
|
} {
|
|
0 0 0 {SCAN TABLE t302}
|
|
0 1 1 {SEARCH TABLE t301 USING INTEGER PRIMARY KEY (rowid=?)}
|
|
}
|
|
do_execsql_test where3-3.1 {
|
|
explain query plan
|
|
SELECT * FROM t301, t302 WHERE t302.x=5 AND t301.a=t302.y;
|
|
} {
|
|
0 0 1 {SCAN TABLE t302}
|
|
0 1 0 {SEARCH TABLE t301 USING INTEGER PRIMARY KEY (rowid=?)}
|
|
}
|
|
do_execsql_test where3-3.2 {
|
|
SELECT * FROM t301 WHERE c=3 AND a IS NULL;
|
|
} {}
|
|
do_execsql_test where3-3.3 {
|
|
SELECT * FROM t301 WHERE c=3 AND a IS NOT NULL;
|
|
} {1 2 3}
|
|
|
|
if 0 { # Query planner no longer does this
|
|
# Verify that when there are multiple tables in a join which must be
|
|
# full table scans that the query planner attempts put the table with
|
|
# the fewest number of output rows as the outer loop.
|
|
#
|
|
do_execsql_test where3-4.0 {
|
|
CREATE TABLE t400(a INTEGER PRIMARY KEY, b, c);
|
|
CREATE TABLE t401(p INTEGER PRIMARY KEY, q, r);
|
|
CREATE TABLE t402(x INTEGER PRIMARY KEY, y, z);
|
|
EXPLAIN QUERY PLAN
|
|
SELECT * FROM t400, t401, t402 WHERE t402.z GLOB 'abc*';
|
|
} {
|
|
0 0 2 {SCAN TABLE t402}
|
|
0 1 0 {SCAN TABLE t400}
|
|
0 2 1 {SCAN TABLE t401}
|
|
}
|
|
do_execsql_test where3-4.1 {
|
|
EXPLAIN QUERY PLAN
|
|
SELECT * FROM t400, t401, t402 WHERE t401.r GLOB 'abc*';
|
|
} {
|
|
0 0 1 {SCAN TABLE t401}
|
|
0 1 0 {SCAN TABLE t400}
|
|
0 2 2 {SCAN TABLE t402}
|
|
}
|
|
do_execsql_test where3-4.2 {
|
|
EXPLAIN QUERY PLAN
|
|
SELECT * FROM t400, t401, t402 WHERE t400.c GLOB 'abc*';
|
|
} {
|
|
0 0 0 {SCAN TABLE t400}
|
|
0 1 1 {SCAN TABLE t401}
|
|
0 2 2 {SCAN TABLE t402}
|
|
}
|
|
} ;# endif
|
|
|
|
# Verify that a performance regression encountered by firefox
|
|
# has been fixed.
|
|
#
|
|
do_execsql_test where3-5.0 {
|
|
CREATE TABLE aaa (id INTEGER PRIMARY KEY, type INTEGER,
|
|
fk INTEGER DEFAULT NULL, parent INTEGER,
|
|
position INTEGER, title LONGVARCHAR,
|
|
keyword_id INTEGER, folder_type TEXT,
|
|
dateAdded INTEGER, lastModified INTEGER);
|
|
CREATE INDEX aaa_111 ON aaa (fk, type);
|
|
CREATE INDEX aaa_222 ON aaa (parent, position);
|
|
CREATE INDEX aaa_333 ON aaa (fk, lastModified);
|
|
CREATE TABLE bbb (id INTEGER PRIMARY KEY, type INTEGER,
|
|
fk INTEGER DEFAULT NULL, parent INTEGER,
|
|
position INTEGER, title LONGVARCHAR,
|
|
keyword_id INTEGER, folder_type TEXT,
|
|
dateAdded INTEGER, lastModified INTEGER);
|
|
CREATE INDEX bbb_111 ON bbb (fk, type);
|
|
CREATE INDEX bbb_222 ON bbb (parent, position);
|
|
CREATE INDEX bbb_333 ON bbb (fk, lastModified);
|
|
|
|
EXPLAIN QUERY PLAN
|
|
SELECT bbb.title AS tag_title
|
|
FROM aaa JOIN bbb ON bbb.id = aaa.parent
|
|
WHERE aaa.fk = 'constant'
|
|
AND LENGTH(bbb.title) > 0
|
|
AND bbb.parent = 4
|
|
ORDER BY bbb.title COLLATE NOCASE ASC;
|
|
} {
|
|
0 0 0 {SEARCH TABLE aaa USING INDEX aaa_333 (fk=?)}
|
|
0 1 1 {SEARCH TABLE bbb USING INTEGER PRIMARY KEY (rowid=?)}
|
|
0 0 0 {USE TEMP B-TREE FOR ORDER BY}
|
|
}
|
|
do_execsql_test where3-5.1 {
|
|
EXPLAIN QUERY PLAN
|
|
SELECT bbb.title AS tag_title
|
|
FROM aaa JOIN aaa AS bbb ON bbb.id = aaa.parent
|
|
WHERE aaa.fk = 'constant'
|
|
AND LENGTH(bbb.title) > 0
|
|
AND bbb.parent = 4
|
|
ORDER BY bbb.title COLLATE NOCASE ASC;
|
|
} {
|
|
0 0 0 {SEARCH TABLE aaa USING INDEX aaa_333 (fk=?)}
|
|
0 1 1 {SEARCH TABLE aaa AS bbb USING INTEGER PRIMARY KEY (rowid=?)}
|
|
0 0 0 {USE TEMP B-TREE FOR ORDER BY}
|
|
}
|
|
do_execsql_test where3-5.2 {
|
|
EXPLAIN QUERY PLAN
|
|
SELECT bbb.title AS tag_title
|
|
FROM bbb JOIN aaa ON bbb.id = aaa.parent
|
|
WHERE aaa.fk = 'constant'
|
|
AND LENGTH(bbb.title) > 0
|
|
AND bbb.parent = 4
|
|
ORDER BY bbb.title COLLATE NOCASE ASC;
|
|
} {
|
|
0 0 1 {SEARCH TABLE aaa USING INDEX aaa_333 (fk=?)}
|
|
0 1 0 {SEARCH TABLE bbb USING INTEGER PRIMARY KEY (rowid=?)}
|
|
0 0 0 {USE TEMP B-TREE FOR ORDER BY}
|
|
}
|
|
do_execsql_test where3-5.3 {
|
|
EXPLAIN QUERY PLAN
|
|
SELECT bbb.title AS tag_title
|
|
FROM aaa AS bbb JOIN aaa ON bbb.id = aaa.parent
|
|
WHERE aaa.fk = 'constant'
|
|
AND LENGTH(bbb.title) > 0
|
|
AND bbb.parent = 4
|
|
ORDER BY bbb.title COLLATE NOCASE ASC;
|
|
} {
|
|
0 0 1 {SEARCH TABLE aaa USING INDEX aaa_333 (fk=?)}
|
|
0 1 0 {SEARCH TABLE aaa AS bbb USING INTEGER PRIMARY KEY (rowid=?)}
|
|
0 0 0 {USE TEMP B-TREE FOR ORDER BY}
|
|
}
|
|
|
|
# Name resolution with NATURAL JOIN and USING
|
|
#
|
|
do_test where3-6.setup {
|
|
db eval {
|
|
CREATE TABLE t6w(a, w);
|
|
INSERT INTO t6w VALUES(1, 'w-one');
|
|
INSERT INTO t6w VALUES(2, 'w-two');
|
|
INSERT INTO t6w VALUES(9, 'w-nine');
|
|
CREATE TABLE t6x(a, x);
|
|
INSERT INTO t6x VALUES(1, 'x-one');
|
|
INSERT INTO t6x VALUES(3, 'x-three');
|
|
INSERT INTO t6x VALUES(9, 'x-nine');
|
|
CREATE TABLE t6y(a, y);
|
|
INSERT INTO t6y VALUES(1, 'y-one');
|
|
INSERT INTO t6y VALUES(4, 'y-four');
|
|
INSERT INTO t6y VALUES(9, 'y-nine');
|
|
CREATE TABLE t6z(a, z);
|
|
INSERT INTO t6z VALUES(1, 'z-one');
|
|
INSERT INTO t6z VALUES(5, 'z-five');
|
|
INSERT INTO t6z VALUES(9, 'z-nine');
|
|
}
|
|
} {}
|
|
set cnt 0
|
|
foreach predicate {
|
|
{}
|
|
{ORDER BY a}
|
|
{ORDER BY t6w.a}
|
|
{WHERE a>0}
|
|
{WHERE t6y.a>0}
|
|
{WHERE a>0 ORDER BY a}
|
|
} {
|
|
incr cnt
|
|
do_test where3-6.$cnt.1 {
|
|
set sql "SELECT * FROM t6w NATURAL JOIN t6x NATURAL JOIN t6y"
|
|
append sql " NATURAL JOIN t6z "
|
|
append sql $::predicate
|
|
db eval $sql
|
|
} {1 w-one x-one y-one z-one 9 w-nine x-nine y-nine z-nine}
|
|
do_test where3-6.$cnt.2 {
|
|
set sql "SELECT * FROM t6w JOIN t6x USING(a) JOIN t6y USING(a)"
|
|
append sql " JOIN t6z USING(a) "
|
|
append sql $::predicate
|
|
db eval $sql
|
|
} {1 w-one x-one y-one z-one 9 w-nine x-nine y-nine z-nine}
|
|
do_test where3-6.$cnt.3 {
|
|
set sql "SELECT * FROM t6w NATURAL JOIN t6x JOIN t6y USING(a)"
|
|
append sql " JOIN t6z USING(a) "
|
|
append sql $::predicate
|
|
db eval $sql
|
|
} {1 w-one x-one y-one z-one 9 w-nine x-nine y-nine z-nine}
|
|
do_test where3-6.$cnt.4 {
|
|
set sql "SELECT * FROM t6w JOIN t6x USING(a) NATURAL JOIN t6y"
|
|
append sql " JOIN t6z USING(a) "
|
|
append sql $::predicate
|
|
db eval $sql
|
|
} {1 w-one x-one y-one z-one 9 w-nine x-nine y-nine z-nine}
|
|
do_test where3-6.$cnt.5 {
|
|
set sql "SELECT * FROM t6w JOIN t6x USING(a) JOIN t6y USING(a)"
|
|
append sql " NATURAL JOIN t6z "
|
|
append sql $::predicate
|
|
db eval $sql
|
|
} {1 w-one x-one y-one z-one 9 w-nine x-nine y-nine z-nine}
|
|
do_test where3-6.$cnt.6 {
|
|
set sql "SELECT * FROM t6w JOIN t6x USING(a) NATURAL JOIN t6y"
|
|
append sql " NATURAL JOIN t6z "
|
|
append sql $::predicate
|
|
db eval $sql
|
|
} {1 w-one x-one y-one z-one 9 w-nine x-nine y-nine z-nine}
|
|
do_test where3-6.$cnt.7 {
|
|
set sql "SELECT * FROM t6w NATURAL JOIN t6x JOIN t6y USING(a)"
|
|
append sql " NATURAL JOIN t6z "
|
|
append sql $::predicate
|
|
db eval $sql
|
|
} {1 w-one x-one y-one z-one 9 w-nine x-nine y-nine z-nine}
|
|
do_test where3-6.$cnt.8 {
|
|
set sql "SELECT * FROM t6w NATURAL JOIN t6x NATURAL JOIN t6y"
|
|
append sql " JOIN t6z USING(a) "
|
|
append sql $::predicate
|
|
db eval $sql
|
|
} {1 w-one x-one y-one z-one 9 w-nine x-nine y-nine z-nine}
|
|
}
|
|
|
|
do_execsql_test where3-7-setup {
|
|
CREATE TABLE t71(x1 INTEGER PRIMARY KEY, y1);
|
|
CREATE TABLE t72(x2 INTEGER PRIMARY KEY, y2);
|
|
CREATE TABLE t73(x3, y3);
|
|
CREATE TABLE t74(x4, y4);
|
|
INSERT INTO t71 VALUES(123,234);
|
|
INSERT INTO t72 VALUES(234,345);
|
|
INSERT INTO t73 VALUES(123,234);
|
|
INSERT INTO t74 VALUES(234,345);
|
|
INSERT INTO t74 VALUES(234,678);
|
|
} {}
|
|
foreach disabled_opt {none omit-noop-join all} {
|
|
optimization_control db all 1
|
|
optimization_control db $disabled_opt 0
|
|
do_execsql_test where3-7.$disabled_opt.1 {
|
|
SELECT x1 FROM t71 LEFT JOIN t72 ON x2=y1;
|
|
} {123}
|
|
do_execsql_test where3-7.$disabled_opt.2 {
|
|
SELECT x1 FROM t71 LEFT JOIN t72 ON x2=y1 WHERE y2 IS NULL;
|
|
} {}
|
|
do_execsql_test where3-7.$disabled_opt.3 {
|
|
SELECT x1 FROM t71 LEFT JOIN t72 ON x2=y1 WHERE y2 IS NOT NULL;
|
|
} {123}
|
|
do_execsql_test where3-7.$disabled_opt.4 {
|
|
SELECT x1 FROM t71 LEFT JOIN t72 ON x2=y1 AND y2 IS NULL;
|
|
} {123}
|
|
do_execsql_test where3-7.$disabled_opt.5 {
|
|
SELECT x1 FROM t71 LEFT JOIN t72 ON x2=y1 AND y2 IS NOT NULL;
|
|
} {123}
|
|
do_execsql_test where3-7.$disabled_opt.6 {
|
|
SELECT x3 FROM t73 LEFT JOIN t72 ON x2=y3;
|
|
} {123}
|
|
do_execsql_test where3-7.$disabled_opt.7 {
|
|
SELECT DISTINCT x3 FROM t73 LEFT JOIN t72 ON x2=y3;
|
|
} {123}
|
|
do_execsql_test where3-7.$disabled_opt.8 {
|
|
SELECT x3 FROM t73 LEFT JOIN t74 ON x4=y3;
|
|
} {123 123}
|
|
do_execsql_test where3-7.$disabled_opt.9 {
|
|
SELECT DISTINCT x3 FROM t73 LEFT JOIN t74 ON x4=y3;
|
|
} {123}
|
|
}
|
|
|
|
|
|
finish_test
|