sqlite/test/selectC.test
dan de9ed6293d Allow sub-queries that use UNION ALL to be flattened, even if the parent query is a join. Still some problems on this branch.
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2020-12-16 20:00:46 +00:00

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# 2008 September 16
#
# 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.
#
# $Id: selectC.test,v 1.5 2009/05/17 15:26:21 drh Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
set testprefix selectC
# Ticket #
do_test selectC-1.1 {
execsql {
CREATE TABLE t1(a, b, c);
INSERT INTO t1 VALUES(1,'aaa','bbb');
INSERT INTO t1 SELECT * FROM t1;
INSERT INTO t1 VALUES(2,'ccc','ddd');
SELECT DISTINCT a AS x, b||c AS y
FROM t1
WHERE y IN ('aaabbb','xxx');
}
} {1 aaabbb}
do_test selectC-1.2 {
execsql {
SELECT DISTINCT a AS x, b||c AS y
FROM t1
WHERE b||c IN ('aaabbb','xxx');
}
} {1 aaabbb}
do_test selectC-1.3 {
execsql {
SELECT DISTINCT a AS x, b||c AS y
FROM t1
WHERE y='aaabbb'
}
} {1 aaabbb}
do_test selectC-1.4 {
execsql {
SELECT DISTINCT a AS x, b||c AS y
FROM t1
WHERE b||c='aaabbb'
}
} {1 aaabbb}
do_test selectC-1.5 {
execsql {
SELECT DISTINCT a AS x, b||c AS y
FROM t1
WHERE x=2
}
} {2 cccddd}
do_test selectC-1.6 {
execsql {
SELECT DISTINCT a AS x, b||c AS y
FROM t1
WHERE a=2
}
} {2 cccddd}
do_test selectC-1.7 {
execsql {
SELECT DISTINCT a AS x, b||c AS y
FROM t1
WHERE +y='aaabbb'
}
} {1 aaabbb}
do_test selectC-1.8 {
execsql {
SELECT a AS x, b||c AS y
FROM t1
GROUP BY x, y
HAVING y='aaabbb'
}
} {1 aaabbb}
do_test selectC-1.9 {
execsql {
SELECT a AS x, b||c AS y
FROM t1
GROUP BY x, y
HAVING b||c='aaabbb'
}
} {1 aaabbb}
do_test selectC-1.10 {
execsql {
SELECT a AS x, b||c AS y
FROM t1
WHERE y='aaabbb'
GROUP BY x, y
}
} {1 aaabbb}
do_test selectC-1.11 {
execsql {
SELECT a AS x, b||c AS y
FROM t1
WHERE b||c='aaabbb'
GROUP BY x, y
}
} {1 aaabbb}
proc longname_toupper x {return [string toupper $x]}
db function uppercaseconversionfunctionwithaverylongname longname_toupper
do_test selectC-1.12.1 {
execsql {
SELECT DISTINCT upper(b) AS x
FROM t1
ORDER BY x
}
} {AAA CCC}
do_test selectC-1.12.2 {
execsql {
SELECT DISTINCT uppercaseconversionfunctionwithaverylongname(b) AS x
FROM t1
ORDER BY x
}
} {AAA CCC}
do_test selectC-1.13.1 {
execsql {
SELECT upper(b) AS x
FROM t1
GROUP BY x
ORDER BY x
}
} {AAA CCC}
do_test selectC-1.13.2 {
execsql {
SELECT uppercaseconversionfunctionwithaverylongname(b) AS x
FROM t1
GROUP BY x
ORDER BY x
}
} {AAA CCC}
do_test selectC-1.14.1 {
execsql {
SELECT upper(b) AS x
FROM t1
ORDER BY x DESC
}
} {CCC AAA AAA}
do_test selectC-1.14.2 {
execsql {
SELECT uppercaseconversionfunctionwithaverylongname(b) AS x
FROM t1
ORDER BY x DESC
}
} {CCC AAA AAA}
# The following query used to leak memory. Verify that has been fixed.
#
ifcapable trigger&&compound {
do_test selectC-2.1 {
catchsql {
CREATE TABLE t21a(a,b);
INSERT INTO t21a VALUES(1,2);
CREATE TABLE t21b(n);
CREATE TRIGGER r21 AFTER INSERT ON t21b BEGIN
SELECT a FROM t21a WHERE a>new.x UNION ALL
SELECT b FROM t21a WHERE b>new.x ORDER BY 1 LIMIT 2;
END;
INSERT INTO t21b VALUES(6);
}
} {1 {no such column: new.x}}
}
# Check that ticket [883034dcb5] is fixed.
#
do_test selectC-3.1 {
execsql {
CREATE TABLE person (
org_id TEXT NOT NULL,
nickname TEXT NOT NULL,
license TEXT,
CONSTRAINT person_pk PRIMARY KEY (org_id, nickname),
CONSTRAINT person_license_uk UNIQUE (license)
);
INSERT INTO person VALUES('meyers', 'jack', '2GAT123');
INSERT INTO person VALUES('meyers', 'hill', 'V345FMP');
INSERT INTO person VALUES('meyers', 'jim', '2GAT138');
INSERT INTO person VALUES('smith', 'maggy', '');
INSERT INTO person VALUES('smith', 'jose', 'JJZ109');
INSERT INTO person VALUES('smith', 'jack', 'THX138');
INSERT INTO person VALUES('lakeside', 'dave', '953OKG');
INSERT INTO person VALUES('lakeside', 'amy', NULL);
INSERT INTO person VALUES('lake-apts', 'tom', NULL);
INSERT INTO person VALUES('acorn', 'hideo', 'CQB421');
SELECT
org_id,
count((NOT (org_id IS NULL)) AND (NOT (nickname IS NULL)))
FROM person
WHERE (CASE WHEN license != '' THEN 1 ELSE 0 END)
GROUP BY 1;
}
} {acorn 1 lakeside 1 meyers 3 smith 2}
do_test selectC-3.2 {
execsql {
CREATE TABLE t2(a PRIMARY KEY, b);
INSERT INTO t2 VALUES('abc', 'xxx');
INSERT INTO t2 VALUES('def', 'yyy');
SELECT a, max(b || a) FROM t2 WHERE (b||b||b)!='value' GROUP BY a;
}
} {abc xxxabc def yyydef}
do_test selectC-3.3 {
execsql {
SELECT b, max(a || b) FROM t2 WHERE (b||b||b)!='value' GROUP BY a;
}
} {xxx abcxxx yyy defyyy}
proc udf {} { incr ::udf }
set ::udf 0
db function udf udf
do_execsql_test selectC-4.1 {
create table t_distinct_bug (a, b, c);
insert into t_distinct_bug values ('1', '1', 'a');
insert into t_distinct_bug values ('1', '2', 'b');
insert into t_distinct_bug values ('1', '3', 'c');
insert into t_distinct_bug values ('1', '1', 'd');
insert into t_distinct_bug values ('1', '2', 'e');
insert into t_distinct_bug values ('1', '3', 'f');
} {}
do_execsql_test selectC-4.2 {
select a from (select distinct a, b from t_distinct_bug)
} {1 1 1}
do_execsql_test selectC-4.3 {
select a, udf() from (select distinct a, b from t_distinct_bug)
} {1 1 1 2 1 3}
#-------------------------------------------------------------------------
# Test that the problem in ticket #190c2507 has been fixed.
#
do_execsql_test 5.0 {
CREATE TABLE x1(a);
CREATE TABLE x2(b);
CREATE TABLE x3(c);
CREATE VIEW vvv AS SELECT b FROM x2 ORDER BY 1;
INSERT INTO x1 VALUES('a'), ('b');
INSERT INTO x2 VALUES(22), (23), (25), (24), (21);
INSERT INTO x3 VALUES(302), (303), (301);
}
do_execsql_test 5.1 {
CREATE TABLE x4 AS SELECT b FROM vvv UNION ALL SELECT c from x3;
SELECT * FROM x4;
} {21 22 23 24 25 302 303 301}
do_execsql_test 5.2 {
SELECT * FROM x1, x4
} {
a 21 a 22 a 23 a 24 a 25 a 302 a 303 a 301
b 21 b 22 b 23 b 24 b 25 b 302 b 303 b 301
}
do_execsql_test 5.3 {
SELECT * FROM x1, (SELECT b FROM vvv UNION ALL SELECT c from x3) ORDER BY 1,2;
} {
a 21 a 22 a 23 a 24 a 25 a 301 a 302 a 303
b 21 b 22 b 23 b 24 b 25 b 301 b 302 b 303
}
finish_test