sqlite/test/affinity3.test
drh ed07d0ea76 If the SELECT that implements a subquery or a VIEW or a CREATE TABLE AS is
a compound with different result datatypes on two or more arms of the compound,
then the overall column type becomes BLOB (ANY).

FossilOrigin-Name: 6ebb178c6b688ebd632e91a5ec4c748567833037c679ab3d72fb770deb230fe1
2022-12-14 14:41:35 +00:00

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# 2017-01-16
#
# 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.
#
#***********************************************************************
#
# Test cases for bugs:
#
# https://www.sqlite.org/src/info/91e2e8ba6ff2e2
# https://www.sqlite.org/src/info/7ffd1ca1d2ad4ecf
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
# Ticket https://www.sqlite.org/src/info/91e2e8ba6ff2e2 (2011-09-19)
# Automatic index causes undesired type conversions
#
do_execsql_test affinity3-100 {
CREATE TABLE customer (id INT PRIMARY KEY);
CREATE TABLE apr (id INT PRIMARY KEY, apr REAL);
CREATE VIEW v1 AS
SELECT c.id, i.apr
FROM customer c
LEFT JOIN apr i ON i.id=c.id;
CREATE VIEW v1rj AS
SELECT c.id, i.apr
FROM apr i
RIGHT JOIN customer c ON i.id=c.id;
CREATE VIEW v2 AS
SELECT c.id, v1.apr
FROM customer c
LEFT JOIN v1 ON v1.id=c.id;
CREATE VIEW v2rj AS
SELECT c.id, v1.apr
FROM v1 RIGHT JOIN customer c ON v1.id=c.id;
CREATE VIEW v2rjrj AS
SELECT c.id, v1rj.apr
FROM v1rj RIGHT JOIN customer c ON v1rj.id=c.id;
INSERT INTO customer (id) VALUES (1);
INSERT INTO apr (id, apr) VALUES (1, 12);
INSERT INTO customer (id) VALUES (2);
INSERT INTO apr (id, apr) VALUES (2, 12.01);
}
do_execsql_test affinity3-110 {
PRAGMA automatic_index=ON;
SELECT id, (apr / 100), typeof(apr) apr_type FROM v1;
} {1 0.12 real 2 0.1201 real}
do_execsql_test affinity3-111 {
PRAGMA automatic_index=ON;
SELECT id, (apr / 100), typeof(apr) apr_type FROM v1rj;
} {1 0.12 real 2 0.1201 real}
do_execsql_test affinity3-120 {
SELECT id, (apr / 100), typeof(apr) apr_type FROM v2;
} {1 0.12 real 2 0.1201 real}
do_execsql_test affinity3-121 {
SELECT id, (apr / 100), typeof(apr) apr_type FROM v2rj;
} {1 0.12 real 2 0.1201 real}
do_execsql_test affinity3-122 {
SELECT id, (apr / 100), typeof(apr) apr_type FROM v2rjrj;
} {1 0.12 real 2 0.1201 real}
do_execsql_test affinity3-130 {
PRAGMA automatic_index=OFF;
SELECT id, (apr / 100), typeof(apr) apr_type FROM v1;
} {1 0.12 real 2 0.1201 real}
do_execsql_test affinity3-131 {
SELECT id, (apr / 100), typeof(apr) apr_type FROM v1rj;
} {1 0.12 real 2 0.1201 real}
do_execsql_test affinity3-140 {
SELECT id, (apr / 100), typeof(apr) apr_type FROM v2;
} {1 0.12 real 2 0.1201 real}
do_execsql_test affinity3-141 {
SELECT id, (apr / 100), typeof(apr) apr_type FROM v2rj;
} {1 0.12 real 2 0.1201 real}
do_execsql_test affinity3-142 {
SELECT id, (apr / 100), typeof(apr) apr_type FROM v2rjrj;
} {1 0.12 real 2 0.1201 real}
# Ticket https://www.sqlite.org/src/info/7ffd1ca1d2ad4ecf (2017-01-16)
# Incorrect affinity when using automatic indexes
#
do_execsql_test affinity3-200 {
CREATE TABLE map_integer (id INT, name);
INSERT INTO map_integer VALUES(1,'a');
CREATE TABLE map_text (id TEXT, name);
INSERT INTO map_text VALUES('4','e');
CREATE TABLE data (id TEXT, name);
INSERT INTO data VALUES(1,'abc');
INSERT INTO data VALUES('4','xyz');
CREATE VIEW idmap as
SELECT * FROM map_integer
UNION SELECT * FROM map_text;
CREATE TABLE mzed AS SELECT * FROM idmap;
}
do_execsql_test affinity3-210 {
PRAGMA automatic_index=ON;
SELECT * FROM data JOIN idmap USING(id);
} {4 xyz e}
do_execsql_test affinity3-220 {
SELECT * FROM data JOIN mzed USING(id);
} {4 xyz e}
do_execsql_test affinity3-250 {
PRAGMA automatic_index=OFF;
SELECT * FROM data JOIN idmap USING(id);
} {4 xyz e}
do_execsql_test affinity3-260 {
SELECT * FROM data JOIN mzed USING(id);
} {4 xyz e}
finish_test