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New test cases. One of the new test cases shows a flaw in the base design

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of RIGHT JOIN.

FossilOrigin-Name: 4c3ce6475a67b1e207a5b63d9e2d38ee5bc45c899ad00ee327f292bf59039b9c
This commit is contained in:
drh
2022-04-16 13:55:48 +00:00
parent bdbda1eb1f
commit 977eef6cdc
4 changed files with 110 additions and 12 deletions
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102
test/join9.test
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@ -17,9 +17,12 @@ source $testdir/tester.tcl
foreach {id schema} {
1 {
CREATE TABLE t3(id INTEGER PRIMARY KEY, w TEXT);
CREATE TABLE t4(id INTEGER PRIMARY KEY, x TEXT);
CREATE TABLE t5(id INTEGER PRIMARY KEY, y TEXT);
CREATE TABLE t6(id INTEGER PRIMARY KEY, z INT);
CREATE VIEW dual(dummy) AS VALUES('x');
INSERT INTO t3(id,w) VALUES(2,'two'),(3,'three'),(6,'six'),(7,'seven');
INSERT INTO t4(id,x) VALUES(2,'alice'),(4,'bob'),(6,'cindy'),(8,'dave');
INSERT INTO t5(id,y) VALUES(1,'red'),(2,'orange'),(3,'yellow'),(4,'green'),
(5,'blue');
@ -29,7 +32,20 @@ foreach {id schema} {
reset_db
db nullvalue -
do_execsql_test join9-$id.setup $schema {}
do_execsql_test join9-$id.10 {
# Verifid by PG-14 for case 1
do_execsql_test join9-$id.100 {
SELECT *, t4.id, t5.id, t6.id
FROM t4 NATURAL LEFT JOIN t5 NATURAL LEFT JOIN t6
ORDER BY 1;
} {
2 alice orange - 2 2 -
4 bob green 444 4 4 4
6 cindy - - 6 - -
8 dave - - 8 - -
}
do_execsql_test join9-$id.101 {
SELECT *, t4.id, t5.id, t6.id
FROM t4 NATURAL LEFT JOIN t5 NATURAL LEFT JOIN t6
ORDER BY id;
@ -39,7 +55,54 @@ foreach {id schema} {
6 cindy - - 6 - -
8 dave - - 8 - -
}
do_execsql_test join9-$id.20 {
do_execsql_test join9-$id.102 {
SELECT *, t4.id, t5.id, t6.id
FROM t4 LEFT JOIN t5 USING(id) LEFT JOIN t6 USING(id)
ORDER BY id;
} {
2 alice orange - 2 2 -
4 bob green 444 4 4 4
6 cindy - - 6 - -
8 dave - - 8 - -
}
# Verifid by PG-14 using case 1
do_execsql_test join9-$id.200 {
SELECT id, x, y, z, t4.id, t5.id, t6.id
FROM t5 NATURAL RIGHT JOIN t4 NATURAL LEFT JOIN t6
ORDER BY 1;
} {
2 alice orange - 2 2 -
4 bob green 444 4 4 4
6 cindy - - 6 - -
8 dave - - 8 - -
}
do_execsql_test join9-$id.201 {
SELECT id, x, y, z, t4.id, t5.id, t6.id
FROM t5 NATURAL RIGHT JOIN t4 NATURAL LEFT JOIN t6
ORDER BY id;
} {
2 alice orange - 2 2 -
4 bob green 444 4 4 4
6 cindy - - 6 - -
8 dave - - 8 - -
}
# Verified by PG-14 using case 1
do_execsql_test join9-$id.300 {
SELECT *, t4.id, t5.id, t6.id
FROM t4 NATURAL RIGHT JOIN t5 NATURAL RIGHT JOIN t6
ORDER BY 1;
} {
0 - - 1000 - - 0
3 - yellow 333 - 3 3
4 bob green 444 4 4 4
5 - blue 555 - 5 5
9 - - 999 - - 9
}
do_execsql_test join9-$id.301 {
SELECT *, t4.id, t5.id, t6.id
FROM t4 NATURAL RIGHT JOIN t5 NATURAL RIGHT JOIN t6
ORDER BY id;
@ -50,7 +113,25 @@ foreach {id schema} {
5 - blue 555 - 5 5
9 - - 999 - - 9
}
do_execsql_test join9-$id.30 {
# Verified by PG-14 for case 1
do_execsql_test join9-$id.400 {
SELECT *, t4.id, t5.id, t6.id
FROM t4 NATURAL FULL JOIN t5 NATURAL FULL JOIN t6
ORDER BY 1;
} {
0 - - 1000 - - 0
1 - red - - 1 -
2 alice orange - 2 2 -
3 - yellow 333 - 3 3
4 bob green 444 4 4 4
5 - blue 555 - 5 5
6 cindy - - 6 - -
8 dave - - 8 - -
9 - - 999 - - 9
}
do_execsql_test join9-$id.401 {
SELECT *, t4.id, t5.id, t6.id
FROM t4 NATURAL FULL JOIN t5 NATURAL FULL JOIN t6
ORDER BY id;
@ -65,5 +146,20 @@ foreach {id schema} {
8 dave - - 8 - -
9 - - 999 - - 9
}
do_execsql_test join9-$id.402 {
SELECT id, x, y, z, t4.id, t5.id, t6.id
FROM t4 NATURAL FULL JOIN t6 NATURAL FULL JOIN t5
ORDER BY id;
} {
0 - - 1000 - - 0
1 - red - - 1 -
2 alice orange - 2 2 -
3 - yellow 333 - 3 3
4 bob green 444 4 4 4
5 - blue 555 - 5 5
6 cindy - - 6 - -
8 dave - - 8 - -
9 - - 999 - - 9
}
}
finish_test