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# 2001 September 15
#
# 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 UNION, INTERSECT and EXCEPT operators
# in SELECT statements.
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
# Most tests in this file depend on compound-select. But there are a couple
# right at the end that test DISTINCT, so we cannot omit the entire file.
#
ifcapable compound {
# Build some test data
#
execsql {
CREATE TABLE t1(n int, log int);
BEGIN;
}
for {set i 1} {$i<32} {incr i} {
for {set j 0} {(1<<$j)<$i} {incr j} {}
execsql "INSERT INTO t1 VALUES($i,$j)"
}
execsql {
COMMIT;
}
do_test select4-1.0 {
execsql {SELECT DISTINCT log FROM t1 ORDER BY log}
} {0 1 2 3 4 5}
# Union All operator
#
do_test select4-1.1a {
lsort [execsql {SELECT DISTINCT log FROM t1}]
} {0 1 2 3 4 5}
do_test select4-1.1b {
lsort [execsql {SELECT n FROM t1 WHERE log=3}]
} {5 6 7 8}
do_test select4-1.1c {
execsql {
SELECT DISTINCT log FROM t1
UNION ALL
SELECT n FROM t1 WHERE log=3
ORDER BY log;
}
} {0 1 2 3 4 5 5 6 7 8}
do_test select4-1.1d {
execsql {
CREATE TABLE t2 AS
SELECT DISTINCT log FROM t1
UNION ALL
SELECT n FROM t1 WHERE log=3
ORDER BY log;
SELECT * FROM t2;
}
} {0 1 2 3 4 5 5 6 7 8}
execsql {DROP TABLE t2}
do_test select4-1.1e {
execsql {
CREATE TABLE t2 AS
SELECT DISTINCT log FROM t1
UNION ALL
SELECT n FROM t1 WHERE log=3
ORDER BY log DESC;
SELECT * FROM t2;
}
} {8 7 6 5 5 4 3 2 1 0}
execsql {DROP TABLE t2}
do_test select4-1.1f {
execsql {
SELECT DISTINCT log FROM t1
UNION ALL
SELECT n FROM t1 WHERE log=2
}
} {0 1 2 3 4 5 3 4}
do_test select4-1.1g {
execsql {
CREATE TABLE t2 AS
SELECT DISTINCT log FROM t1
UNION ALL
SELECT n FROM t1 WHERE log=2;
SELECT * FROM t2;
}
} {0 1 2 3 4 5 3 4}
execsql {DROP TABLE t2}
ifcapable subquery {
do_test select4-1.2 {
execsql {
SELECT log FROM t1 WHERE n IN
(SELECT DISTINCT log FROM t1 UNION ALL
SELECT n FROM t1 WHERE log=3)
ORDER BY log;
}
} {0 1 2 2 3 3 3 3}
}
# EVIDENCE-OF: R-02644-22131 In a compound SELECT statement, only the
# last or right-most simple SELECT may have an ORDER BY clause.
#
do_test select4-1.3 {
set v [catch {execsql {
SELECT DISTINCT log FROM t1 ORDER BY log
UNION ALL
SELECT n FROM t1 WHERE log=3
ORDER BY log;
}} msg]
lappend v $msg
} {1 {ORDER BY clause should come after UNION ALL not before}}
do_catchsql_test select4-1.4 {
SELECT (VALUES(0) INTERSECT SELECT(0) UNION SELECT(0) ORDER BY 1 UNION
SELECT 0 UNION SELECT 0 ORDER BY 1);
} {1 {ORDER BY clause should come after UNION not before}}
# Union operator
#
do_test select4-2.1 {
execsql {
SELECT DISTINCT log FROM t1
UNION
SELECT n FROM t1 WHERE log=3
ORDER BY log;
}
} {0 1 2 3 4 5 6 7 8}
ifcapable subquery {
do_test select4-2.2 {
execsql {
SELECT log FROM t1 WHERE n IN
(SELECT DISTINCT log FROM t1 UNION
SELECT n FROM t1 WHERE log=3)
ORDER BY log;
}
} {0 1 2 2 3 3 3 3}
}
do_test select4-2.3 {
set v [catch {execsql {
SELECT DISTINCT log FROM t1 ORDER BY log
UNION
SELECT n FROM t1 WHERE log=3
ORDER BY log;
}} msg]
lappend v $msg
} {1 {ORDER BY clause should come after UNION not before}}
do_test select4-2.4 {
set v [catch {execsql {
SELECT 0 ORDER BY (SELECT 0) UNION SELECT 0;
}} msg]
lappend v $msg
} {1 {ORDER BY clause should come after UNION not before}}
do_execsql_test select4-2.5 {
SELECT 123 AS x ORDER BY (SELECT x ORDER BY 1);
} {123}
# Except operator
#
do_test select4-3.1.1 {
execsql {
SELECT DISTINCT log FROM t1
EXCEPT
SELECT n FROM t1 WHERE log=3
ORDER BY log;
}
} {0 1 2 3 4}
do_test select4-3.1.2 {
execsql {
CREATE TABLE t2 AS
SELECT DISTINCT log FROM t1
EXCEPT
SELECT n FROM t1 WHERE log=3
ORDER BY log;
SELECT * FROM t2;
}
} {0 1 2 3 4}
execsql {DROP TABLE t2}
do_test select4-3.1.3 {
execsql {
CREATE TABLE t2 AS
SELECT DISTINCT log FROM t1
EXCEPT
SELECT n FROM t1 WHERE log=3
ORDER BY log DESC;
SELECT * FROM t2;
}
} {4 3 2 1 0}
execsql {DROP TABLE t2}
ifcapable subquery {
do_test select4-3.2 {
execsql {
SELECT log FROM t1 WHERE n IN
(SELECT DISTINCT log FROM t1 EXCEPT
SELECT n FROM t1 WHERE log=3)
ORDER BY log;
}
} {0 1 2 2}
}
do_test select4-3.3 {
set v [catch {execsql {
SELECT DISTINCT log FROM t1 ORDER BY log
EXCEPT
SELECT n FROM t1 WHERE log=3
ORDER BY log;
}} msg]
lappend v $msg
} {1 {ORDER BY clause should come after EXCEPT not before}}
# Intersect operator
#
do_test select4-4.1.1 {
execsql {
SELECT DISTINCT log FROM t1
INTERSECT
SELECT n FROM t1 WHERE log=3
ORDER BY log;
}
} {5}
do_test select4-4.1.2 {
execsql {
SELECT DISTINCT log FROM t1
UNION ALL
SELECT 6
INTERSECT
SELECT n FROM t1 WHERE log=3
ORDER BY t1.log;
}
} {5 6}
do_test select4-4.1.3 {
execsql {
CREATE TABLE t2 AS
SELECT DISTINCT log FROM t1 UNION ALL SELECT 6
INTERSECT
SELECT n FROM t1 WHERE log=3
ORDER BY log;
SELECT * FROM t2;
}
} {5 6}
execsql {DROP TABLE t2}
do_test select4-4.1.4 {
execsql {
CREATE TABLE t2 AS
SELECT DISTINCT log FROM t1 UNION ALL SELECT 6
INTERSECT
SELECT n FROM t1 WHERE log=3
ORDER BY log DESC;
SELECT * FROM t2;
}
} {6 5}
execsql {DROP TABLE t2}
ifcapable subquery {
do_test select4-4.2 {
execsql {
SELECT log FROM t1 WHERE n IN
(SELECT DISTINCT log FROM t1 INTERSECT
SELECT n FROM t1 WHERE log=3)
ORDER BY log;
}
} {3}
}
do_test select4-4.3 {
set v [catch {execsql {
SELECT DISTINCT log FROM t1 ORDER BY log
INTERSECT
SELECT n FROM t1 WHERE log=3
ORDER BY log;
}} msg]
lappend v $msg
} {1 {ORDER BY clause should come after INTERSECT not before}}
do_catchsql_test select4-4.4 {
SELECT 3 IN (
SELECT 0 ORDER BY 1
INTERSECT
SELECT 1
INTERSECT
SELECT 2
ORDER BY 1
);
} {1 {ORDER BY clause should come after INTERSECT not before}}
# Various error messages while processing UNION or INTERSECT
#
do_test select4-5.1 {
set v [catch {execsql {
SELECT DISTINCT log FROM t2
UNION ALL
SELECT n FROM t1 WHERE log=3
ORDER BY log;
}} msg]
lappend v $msg
} {1 {no such table: t2}}
do_test select4-5.2 {
set v [catch {execsql {
SELECT DISTINCT log AS "xyzzy" FROM t1
UNION ALL
SELECT n FROM t1 WHERE log=3
ORDER BY xyzzy;
}} msg]
lappend v $msg
} {0 {0 1 2 3 4 5 5 6 7 8}}
do_test select4-5.2b {
set v [catch {execsql {
SELECT DISTINCT log AS xyzzy FROM t1
UNION ALL
SELECT n FROM t1 WHERE log=3
ORDER BY "xyzzy";
}} msg]
lappend v $msg
} {0 {0 1 2 3 4 5 5 6 7 8}}
do_test select4-5.2c {
set v [catch {execsql {
SELECT DISTINCT log FROM t1
UNION ALL
SELECT n FROM t1 WHERE log=3
ORDER BY "xyzzy";
}} msg]
lappend v $msg
} {1 {1st ORDER BY term does not match any column in the result set}}
do_test select4-5.2d {
set v [catch {execsql {
SELECT DISTINCT log FROM t1
INTERSECT
SELECT n FROM t1 WHERE log=3
ORDER BY "xyzzy";
}} msg]
lappend v $msg
} {1 {1st ORDER BY term does not match any column in the result set}}
do_test select4-5.2e {
set v [catch {execsql {
SELECT DISTINCT log FROM t1
UNION ALL
SELECT n FROM t1 WHERE log=3
ORDER BY n;
}} msg]
lappend v $msg
} {0 {0 1 2 3 4 5 5 6 7 8}}
do_test select4-5.2f {
catchsql {
SELECT DISTINCT log FROM t1
UNION ALL
SELECT n FROM t1 WHERE log=3
ORDER BY log;
}
} {0 {0 1 2 3 4 5 5 6 7 8}}
do_test select4-5.2g {
catchsql {
SELECT DISTINCT log FROM t1
UNION ALL
SELECT n FROM t1 WHERE log=3
ORDER BY 1;
}
} {0 {0 1 2 3 4 5 5 6 7 8}}
do_test select4-5.2h {
catchsql {
SELECT DISTINCT log FROM t1
UNION ALL
SELECT n FROM t1 WHERE log=3
ORDER BY 2;
}
} {1 {1st ORDER BY term out of range - should be between 1 and 1}}
do_test select4-5.2i {
catchsql {
SELECT DISTINCT 1, log FROM t1
UNION ALL
SELECT 2, n FROM t1 WHERE log=3
ORDER BY 2, 1;
}
} {0 {1 0 1 1 1 2 1 3 1 4 1 5 2 5 2 6 2 7 2 8}}
do_test select4-5.2j {
catchsql {
SELECT DISTINCT 1, log FROM t1
UNION ALL
SELECT 2, n FROM t1 WHERE log=3
ORDER BY 1, 2 DESC;
}
} {0 {1 5 1 4 1 3 1 2 1 1 1 0 2 8 2 7 2 6 2 5}}
do_test select4-5.2k {
catchsql {
SELECT DISTINCT 1, log FROM t1
UNION ALL
SELECT 2, n FROM t1 WHERE log=3
ORDER BY n, 1;
}
} {0 {1 0 1 1 1 2 1 3 1 4 1 5 2 5 2 6 2 7 2 8}}
do_test select4-5.3 {
set v [catch {execsql {
SELECT DISTINCT log, n FROM t1
UNION ALL
SELECT n FROM t1 WHERE log=3
ORDER BY log;
}} msg]
lappend v $msg
} {1 {SELECTs to the left and right of UNION ALL do not have the same number of result columns}}
do_test select4-5.3-3807-1 {
catchsql {
SELECT 1 UNION SELECT 2, 3 UNION SELECT 4, 5 ORDER BY 1;
}
} {1 {SELECTs to the left and right of UNION do not have the same number of result columns}}
do_test select4-5.4 {
set v [catch {execsql {
SELECT log FROM t1 WHERE n=2
UNION ALL
SELECT log FROM t1 WHERE n=3
UNION ALL
SELECT log FROM t1 WHERE n=4
UNION ALL
SELECT log FROM t1 WHERE n=5
ORDER BY log;
}} msg]
lappend v $msg
} {0 {1 2 2 3}}
do_test select4-6.1 {
execsql {
SELECT log, count(*) as cnt FROM t1 GROUP BY log
UNION
SELECT log, n FROM t1 WHERE n=7
ORDER BY cnt, log;
}
} {0 1 1 1 2 2 3 4 3 7 4 8 5 15}
do_test select4-6.2 {
execsql {
SELECT log, count(*) FROM t1 GROUP BY log
UNION
SELECT log, n FROM t1 WHERE n=7
ORDER BY count(*), log;
}
} {0 1 1 1 2 2 3 4 3 7 4 8 5 15}
# NULLs are indistinct for the UNION operator.
# Make sure the UNION operator recognizes this
#
do_test select4-6.3 {
execsql {
SELECT NULL UNION SELECT NULL UNION
SELECT 1 UNION SELECT 2 AS 'x'
ORDER BY x;
}
} {{} 1 2}
do_test select4-6.3.1 {
execsql {
SELECT NULL UNION ALL SELECT NULL UNION ALL
SELECT 1 UNION ALL SELECT 2 AS 'x'
ORDER BY x;
}
} {{} {} 1 2}
# Make sure the DISTINCT keyword treats NULLs as indistinct.
#
ifcapable subquery {
do_test select4-6.4 {
execsql {
SELECT * FROM (
SELECT NULL, 1 UNION ALL SELECT NULL, 1
);
}
} {{} 1 {} 1}
do_test select4-6.5 {
execsql {
SELECT DISTINCT * FROM (
SELECT NULL, 1 UNION ALL SELECT NULL, 1
);
}
} {{} 1}
do_test select4-6.6 {
execsql {
SELECT DISTINCT * FROM (
SELECT 1,2 UNION ALL SELECT 1,2
);
}
} {1 2}
}
# Test distinctness of NULL in other ways.
#
do_test select4-6.7 {
execsql {
SELECT NULL EXCEPT SELECT NULL
}
} {}
# Make sure column names are correct when a compound select appears as
# an expression in the WHERE clause.
#
do_test select4-7.1 {
execsql {
CREATE TABLE t2 AS SELECT log AS 'x', count(*) AS 'y' FROM t1 GROUP BY log;
SELECT * FROM t2 ORDER BY x;
}
} {0 1 1 1 2 2 3 4 4 8 5 15}
ifcapable subquery {
do_test select4-7.2 {
execsql2 {
SELECT * FROM t1 WHERE n IN (SELECT n FROM t1 INTERSECT SELECT x FROM t2)
ORDER BY n
}
} {n 1 log 0 n 2 log 1 n 3 log 2 n 4 log 2 n 5 log 3}
do_test select4-7.3 {
execsql2 {
SELECT * FROM t1 WHERE n IN (SELECT n FROM t1 EXCEPT SELECT x FROM t2)
ORDER BY n LIMIT 2
}
} {n 6 log 3 n 7 log 3}
do_test select4-7.4 {
execsql2 {
SELECT * FROM t1 WHERE n IN (SELECT n FROM t1 UNION SELECT x FROM t2)
ORDER BY n LIMIT 2
}
} {n 1 log 0 n 2 log 1}
} ;# ifcapable subquery
} ;# ifcapable compound
# Make sure DISTINCT works appropriately on TEXT and NUMERIC columns.
do_test select4-8.1 {
execsql {
BEGIN;
CREATE TABLE t3(a text, b float, c text);
INSERT INTO t3 VALUES(1, 1.1, '1.1');
INSERT INTO t3 VALUES(2, 1.10, '1.10');
INSERT INTO t3 VALUES(3, 1.10, '1.1');
INSERT INTO t3 VALUES(4, 1.1, '1.10');
INSERT INTO t3 VALUES(5, 1.2, '1.2');
INSERT INTO t3 VALUES(6, 1.3, '1.3');
COMMIT;
}
execsql {
SELECT DISTINCT b FROM t3 ORDER BY c;
}
} {1.1 1.2 1.3}
do_test select4-8.2 {
execsql {
SELECT DISTINCT c FROM t3 ORDER BY c;
}
} {1.1 1.10 1.2 1.3}
# Make sure the names of columns are taken from the right-most subquery
# right in a compound query. Ticket #1721
#
ifcapable compound {
do_test select4-9.1 {
execsql2 {
SELECT x, y FROM t2 UNION SELECT a, b FROM t3 ORDER BY x LIMIT 1
}
} {x 0 y 1}
do_test select4-9.2 {
execsql2 {
SELECT x, y FROM t2 UNION ALL SELECT a, b FROM t3 ORDER BY x LIMIT 1
}
} {x 0 y 1}
do_test select4-9.3 {
execsql2 {
SELECT x, y FROM t2 EXCEPT SELECT a, b FROM t3 ORDER BY x LIMIT 1
}
} {x 0 y 1}
do_test select4-9.4 {
execsql2 {
SELECT x, y FROM t2 INTERSECT SELECT 0 AS a, 1 AS b;
}
} {x 0 y 1}
do_test select4-9.5 {
execsql2 {
SELECT 0 AS x, 1 AS y
UNION
SELECT 2 AS p, 3 AS q
UNION
SELECT 4 AS a, 5 AS b
ORDER BY x LIMIT 1
}
} {x 0 y 1}
ifcapable subquery {
do_test select4-9.6 {
execsql2 {
SELECT * FROM (
SELECT 0 AS x, 1 AS y
UNION
SELECT 2 AS p, 3 AS q
UNION
SELECT 4 AS a, 5 AS b
) ORDER BY 1 LIMIT 1;
}
} {x 0 y 1}
do_test select4-9.7 {
execsql2 {
SELECT * FROM (
SELECT 0 AS x, 1 AS y
UNION
SELECT 2 AS p, 3 AS q
UNION
SELECT 4 AS a, 5 AS b
) ORDER BY x LIMIT 1;
}
} {x 0 y 1}
} ;# ifcapable subquery
do_test select4-9.8 {
execsql {
SELECT 0 AS x, 1 AS y
UNION
SELECT 2 AS y, -3 AS x
ORDER BY x LIMIT 1;
}
} {0 1}
do_test select4-9.9.1 {
execsql2 {
SELECT 1 AS a, 2 AS b UNION ALL SELECT 3 AS b, 4 AS a
}
} {a 1 b 2 a 3 b 4}
ifcapable subquery {
do_test select4-9.9.2 {
execsql2 {
SELECT * FROM (SELECT 1 AS a, 2 AS b UNION ALL SELECT 3 AS b, 4 AS a)
WHERE b=3
}
} {}
do_test select4-9.10 {
execsql2 {
SELECT * FROM (SELECT 1 AS a, 2 AS b UNION ALL SELECT 3 AS b, 4 AS a)
WHERE b=2
}
} {a 1 b 2}
do_test select4-9.11 {
execsql2 {
SELECT * FROM (SELECT 1 AS a, 2 AS b UNION ALL SELECT 3 AS e, 4 AS b)
WHERE b=2
}
} {a 1 b 2}
do_test select4-9.12 {
execsql2 {
SELECT * FROM (SELECT 1 AS a, 2 AS b UNION ALL SELECT 3 AS e, 4 AS b)
WHERE b>0
}
} {a 1 b 2 a 3 b 4}
} ;# ifcapable subquery
# Try combining DISTINCT, LIMIT, and OFFSET. Make sure they all work
# together.
#
do_test select4-10.1 {
execsql {
SELECT DISTINCT log FROM t1 ORDER BY log
}
} {0 1 2 3 4 5}
do_test select4-10.2 {
execsql {
SELECT DISTINCT log FROM t1 ORDER BY log LIMIT 4
}
} {0 1 2 3}
do_test select4-10.3 {
execsql {
SELECT DISTINCT log FROM t1 ORDER BY log LIMIT 0
}
} {}
do_test select4-10.4 {
execsql {
SELECT DISTINCT log FROM t1 ORDER BY log LIMIT -1
}
} {0 1 2 3 4 5}
do_test select4-10.5 {
execsql {
SELECT DISTINCT log FROM t1 ORDER BY log LIMIT -1 OFFSET 2
}
} {2 3 4 5}
do_test select4-10.6 {
execsql {
SELECT DISTINCT log FROM t1 ORDER BY log LIMIT 3 OFFSET 2
}
} {2 3 4}
do_test select4-10.7 {
execsql {
SELECT DISTINCT log FROM t1 ORDER BY +log LIMIT 3 OFFSET 20
}
} {}
do_test select4-10.8 {
execsql {
SELECT DISTINCT log FROM t1 ORDER BY log LIMIT 0 OFFSET 3
}
} {}
do_test select4-10.9 {
execsql {
SELECT DISTINCT max(n), log FROM t1 ORDER BY +log; -- LIMIT 2 OFFSET 1
}
} {31 5}
# Make sure compound SELECTs with wildly different numbers of columns
# do not cause assertion faults due to register allocation issues.
#
do_test select4-11.1 {
catchsql {
SELECT x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x FROM t2
UNION
SELECT x FROM t2
}
} {1 {SELECTs to the left and right of UNION do not have the same number of result columns}}
do_test select4-11.2 {
catchsql {
SELECT x FROM t2
UNION
SELECT x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x FROM t2
}
} {1 {SELECTs to the left and right of UNION do not have the same number of result columns}}
do_test select4-11.3 {
catchsql {
SELECT x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x FROM t2
UNION ALL
SELECT x FROM t2
}
} {1 {SELECTs to the left and right of UNION ALL do not have the same number of result columns}}
do_test select4-11.4 {
catchsql {
SELECT x FROM t2
UNION ALL
SELECT x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x FROM t2
}
} {1 {SELECTs to the left and right of UNION ALL do not have the same number of result columns}}
do_test select4-11.5 {
catchsql {
SELECT x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x FROM t2
EXCEPT
SELECT x FROM t2
}
} {1 {SELECTs to the left and right of EXCEPT do not have the same number of result columns}}
do_test select4-11.6 {
catchsql {
SELECT x FROM t2
EXCEPT
SELECT x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x FROM t2
}
} {1 {SELECTs to the left and right of EXCEPT do not have the same number of result columns}}
do_test select4-11.7 {
catchsql {
SELECT x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x FROM t2
INTERSECT
SELECT x FROM t2
}
} {1 {SELECTs to the left and right of INTERSECT do not have the same number of result columns}}
do_test select4-11.8 {
catchsql {
SELECT x FROM t2
INTERSECT
SELECT x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x FROM t2
}
} {1 {SELECTs to the left and right of INTERSECT do not have the same number of result columns}}
do_test select4-11.11 {
catchsql {
SELECT x FROM t2
UNION
SELECT x FROM t2
UNION ALL
SELECT x FROM t2
EXCEPT
SELECT x FROM t2
INTERSECT
SELECT x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x FROM t2
}
} {1 {SELECTs to the left and right of INTERSECT do not have the same number of result columns}}
do_test select4-11.12 {
catchsql {
SELECT x FROM t2
UNION
SELECT x FROM t2
UNION ALL
SELECT x FROM t2
EXCEPT
SELECT x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x FROM t2
EXCEPT
SELECT x FROM t2
}
} {1 {SELECTs to the left and right of EXCEPT do not have the same number of result columns}}
do_test select4-11.13 {
catchsql {
SELECT x FROM t2
UNION
SELECT x FROM t2
UNION ALL
SELECT x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x FROM t2
UNION ALL
SELECT x FROM t2
EXCEPT
SELECT x FROM t2
}
} {1 {SELECTs to the left and right of UNION ALL do not have the same number of result columns}}
do_test select4-11.14 {
catchsql {
SELECT x FROM t2
UNION
SELECT x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x FROM t2
UNION
SELECT x FROM t2
UNION ALL
SELECT x FROM t2
EXCEPT
SELECT x FROM t2
}
} {1 {SELECTs to the left and right of UNION do not have the same number of result columns}}
do_test select4-11.15 {
catchsql {
SELECT x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x FROM t2
UNION
SELECT x FROM t2
INTERSECT
SELECT x FROM t2
UNION ALL
SELECT x FROM t2
EXCEPT
SELECT x FROM t2
}
} {1 {SELECTs to the left and right of UNION do not have the same number of result columns}}
do_test select4-11.16 {
catchsql {
INSERT INTO t2(rowid) VALUES(2) UNION SELECT 3,4 UNION SELECT 5,6 ORDER BY 1;
}
} {1 {SELECTs to the left and right of UNION do not have the same number of result columns}}
do_test select4-12.1 {
sqlite3 db2 :memory:
catchsql {
SELECT 1 UNION SELECT 2,3 UNION SELECT 4,5 ORDER BY 1;
} db2
} {1 {SELECTs to the left and right of UNION do not have the same number of result columns}}
} ;# ifcapable compound
# Ticket [3557ad65a076c] - Incorrect DISTINCT processing with an
# indexed query using IN.
#
do_test select4-13.1 {
sqlite3 db test.db
db eval {
CREATE TABLE t13(a,b);
INSERT INTO t13 VALUES(1,1);
INSERT INTO t13 VALUES(2,1);
INSERT INTO t13 VALUES(3,1);
INSERT INTO t13 VALUES(2,2);
INSERT INTO t13 VALUES(3,2);
INSERT INTO t13 VALUES(4,2);
CREATE INDEX t13ab ON t13(a,b);
SELECT DISTINCT b from t13 WHERE a IN (1,2,3);
}
} {1 2}
# 2014-02-18: Make sure compound SELECTs work with VALUES clauses
#
do_execsql_test select4-14.1 {
CREATE TABLE t14(a,b,c);
INSERT INTO t14 VALUES(1,2,3),(4,5,6);
SELECT * FROM t14 INTERSECT VALUES(3,2,1),(2,3,1),(1,2,3),(2,1,3);
} {1 2 3}
do_execsql_test select4-14.2 {
SELECT * FROM t14 INTERSECT VALUES(1,2,3);
} {1 2 3}
do_execsql_test select4-14.3 {
SELECT * FROM t14
UNION VALUES(3,2,1),(2,3,1),(1,2,3),(7,8,9),(4,5,6)
UNION SELECT * FROM t14 ORDER BY 1, 2, 3
} {1 2 3 2 3 1 3 2 1 4 5 6 7 8 9}
do_execsql_test select4-14.4 {
SELECT * FROM t14
UNION VALUES(3,2,1)
UNION SELECT * FROM t14 ORDER BY 1, 2, 3
} {1 2 3 3 2 1 4 5 6}
do_execsql_test select4-14.5 {
SELECT * FROM t14 EXCEPT VALUES(3,2,1),(2,3,1),(1,2,3),(2,1,3);
} {4 5 6}
do_execsql_test select4-14.6 {
SELECT * FROM t14 EXCEPT VALUES(1,2,3)
} {4 5 6}
do_execsql_test select4-14.7 {
SELECT * FROM t14 EXCEPT VALUES(1,2,3) EXCEPT VALUES(4,5,6)
} {}
do_execsql_test select4-14.8 {
SELECT * FROM t14 EXCEPT VALUES('a','b','c') EXCEPT VALUES(4,5,6)
} {1 2 3}
do_execsql_test select4-14.9 {
SELECT * FROM t14 UNION ALL VALUES(3,2,1),(2,3,1),(1,2,3),(2,1,3);
} {1 2 3 4 5 6 3 2 1 2 3 1 1 2 3 2 1 3}
do_execsql_test select4-14.10 {
SELECT (VALUES(1),(2),(3),(4))
} {1}
do_execsql_test select4-14.11 {
SELECT (SELECT 1 UNION ALL SELECT 2 UNION ALL SELECT 3 UNION ALL SELECT 4)
} {1}
do_execsql_test select4-14.12 {
VALUES(1) UNION VALUES(2);
} {1 2}
do_execsql_test select4-14.13 {
VALUES(1),(2),(3) EXCEPT VALUES(2);
} {1 3}
do_execsql_test select4-14.14 {
VALUES(1),(2),(3) EXCEPT VALUES(1),(3);
} {2}
do_execsql_test select4-14.15 {
SELECT * FROM (SELECT 123), (SELECT 456) ON likely(0 OR 1) OR 0;
} {123 456}
do_execsql_test select4-14.16 {
VALUES(1),(2),(3),(4) UNION ALL SELECT 5 LIMIT 99;
} {1 2 3 4 5}
do_execsql_test select4-14.17 {
VALUES(1),(2),(3),(4) UNION ALL SELECT 5 LIMIT 3;
} {1 2 3}
# Ticket https://www.sqlite.org/src/info/d06a25c84454a372
# Incorrect answer due to two co-routines using the same registers and expecting
# those register values to be preserved across a Yield.
#
do_execsql_test select4-15.1 {
DROP TABLE IF EXISTS tx;
CREATE TABLE tx(id INTEGER PRIMARY KEY, a, b);
INSERT INTO tx(a,b) VALUES(33,456);
INSERT INTO tx(a,b) VALUES(33,789);
SELECT DISTINCT t0.id, t0.a, t0.b
FROM tx AS t0, tx AS t1
WHERE t0.a=t1.a AND t1.a=33 AND t0.b=456
UNION
SELECT DISTINCT t0.id, t0.a, t0.b
FROM tx AS t0, tx AS t1
WHERE t0.a=t1.a AND t1.a=33 AND t0.b=789
ORDER BY 1;
} {1 33 456 2 33 789}
# Enhancement (2016-03-15): Use a co-routine for subqueries if the
# subquery is guaranteed to be the outer-most query
#
do_execsql_test select4-16.1 {
DROP TABLE IF EXISTS t1;
CREATE TABLE t1(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z,
PRIMARY KEY(a,b DESC)) WITHOUT ROWID;
WITH RECURSIVE c(x) AS (VALUES(1) UNION ALL SELECT x+1 FROM c WHERE x<100)
INSERT INTO t1(a,b,c,d)
SELECT x%10, x/10, x, printf('xyz%dabc',x) FROM c;
SELECT t3.c FROM
(SELECT a,max(b) AS m FROM t1 WHERE a>=5 GROUP BY a) AS t2
JOIN t1 AS t3
WHERE t2.a=t3.a AND t2.m=t3.b
ORDER BY t3.a;
} {95 96 97 98 99}
do_execsql_test select4-16.2 {
SELECT t3.c FROM
(SELECT a,max(b) AS m FROM t1 WHERE a>=5 GROUP BY a) AS t2
CROSS JOIN t1 AS t3
WHERE t2.a=t3.a AND t2.m=t3.b
ORDER BY t3.a;
} {95 96 97 98 99}
do_execsql_test select4-16.3 {
SELECT t3.c FROM
(SELECT a,max(b) AS m FROM t1 WHERE a>=5 GROUP BY a) AS t2
LEFT JOIN t1 AS t3
WHERE t2.a=t3.a AND t2.m=t3.b
ORDER BY t3.a;
} {95 96 97 98 99}
# Ticket https://www.sqlite.org/src/tktview/f7f8c97e975978d45 on 2016-04-25
#
# The where push-down optimization from 2015-06-02 is suppose to disable
# on aggregate subqueries. But if the subquery is a compound where the
# last SELECT is non-aggregate but some other SELECT is an aggregate, the
# test is incomplete and the optimization is not properly disabled.
#
# The following test cases verify that the fix works.
#
do_execsql_test select4-17.1 {
DROP TABLE IF EXISTS t1;
CREATE TABLE t1(a int, b int);
INSERT INTO t1 VALUES(1,2),(1,18),(2,19);
SELECT x, y FROM (
SELECT 98 AS x, 99 AS y
UNION
SELECT a AS x, sum(b) AS y FROM t1 GROUP BY a
) AS w WHERE y>=20
ORDER BY +x;
} {1 20 98 99}
do_execsql_test select4-17.2 {
SELECT x, y FROM (
SELECT a AS x, sum(b) AS y FROM t1 GROUP BY a
UNION
SELECT 98 AS x, 99 AS y
) AS w WHERE y>=20
ORDER BY +x;
} {1 20 98 99}
do_catchsql_test select4-17.3 {
SELECT x, y FROM (
SELECT a AS x, sum(b) AS y FROM t1 GROUP BY a LIMIT 3
UNION
SELECT 98 AS x, 99 AS y
) AS w WHERE y>=20
ORDER BY +x;
} {1 {LIMIT clause should come after UNION not before}}
# 2020-04-03 ticket 51166be0159fd2ce from Yong Heng.
# Adverse interaction between the constant propagation and push-down
# optimizations.
#
reset_db
do_execsql_test select4-18.1 {
CREATE VIEW v0(v0) AS WITH v0 AS(SELECT 0 v0) SELECT(SELECT min(v0) OVER()) FROM v0 GROUP BY v0;
SELECT *FROM v0 v1 JOIN v0 USING(v0) WHERE datetime(v0) = (v0.v0)AND v0 = 10;
} {}
do_execsql_test select4-18.2 {
CREATE VIEW t1(aa) AS
WITH t2(bb) AS (SELECT 123)
SELECT (SELECT min(bb) OVER()) FROM t2 GROUP BY bb;
SELECT * FROM t1;
} {123}
do_execsql_test select4-18.3 {
SELECT * FROM t1 AS z1 JOIN t1 AS z2 USING(aa)
WHERE abs(z1.aa)=z2.aa AND z1.aa=123;
} {123}
# 2021-03-31 Fix an assert() problem in the logic at the end of sqlite3Select()
# that validates AggInfo. The checks to ensure that AggInfo.aCol[].pCExpr
# references a valid expression was looking at an expression that had been
# deleted by the truth optimization in sqlite3ExprAnd() which was invoked by
# the push-down optimization. This is harmless in delivery builds, as that code
# only runs with SQLITE_DEBUG. But it should still be fixed. The problem
# was discovered by dbsqlfuzz (crash-dece7b67a3552ed7e571a7bda903afd1f7bd9b21)
#
reset_db
do_execsql_test select4-19.1 {
CREATE TABLE t1(x);
INSERT INTO t1 VALUES(99);
SELECT sum((SELECT 1 FROM (SELECT 2 WHERE x IS NULL) WHERE 0)) FROM t1;
} {{}}
finish_test
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