mirror of
https://github.com/tursodatabase/libsql.git
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93 lines
2.0 KiB
Plaintext
93 lines
2.0 KiB
Plaintext
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CREATE TABLE customer (id INT PRIMARY KEY);
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CREATE TABLE apr (id INT PRIMARY KEY, apr REAL);
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CREATE VIEW v1 AS
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SELECT c.id, i.apr
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FROM customer c
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LEFT JOIN apr i ON i.id=c.id;
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CREATE VIEW v1rj AS
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SELECT c.id, i.apr
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FROM apr i
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RIGHT JOIN customer c ON i.id=c.id;
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CREATE VIEW v2 AS
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SELECT c.id, v1.apr
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FROM customer c
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LEFT JOIN v1 ON v1.id=c.id;
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CREATE VIEW v2rj AS
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SELECT c.id, v1.apr
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FROM v1 RIGHT JOIN customer c ON v1.id=c.id;
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CREATE VIEW v2rjrj AS
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SELECT c.id, v1rj.apr
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FROM v1rj RIGHT JOIN customer c ON v1rj.id=c.id;
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INSERT INTO customer (id) VALUES (1);
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INSERT INTO apr (id, apr) VALUES (1, 12);
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INSERT INTO customer (id) VALUES (2);
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INSERT INTO apr (id, apr) VALUES (2, 12.01);
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PRAGMA automatic_index=ON;
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SELECT id, (apr / 100), typeof(apr) apr_type FROM v1;
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PRAGMA automatic_index=ON;
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SELECT id, (apr / 100), typeof(apr) apr_type FROM v1rj;
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SELECT id, (apr / 100), typeof(apr) apr_type FROM v2;
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SELECT id, (apr / 100), typeof(apr) apr_type FROM v2rj;
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SELECT id, (apr / 100), typeof(apr) apr_type FROM v2rjrj;
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PRAGMA automatic_index=OFF;
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SELECT id, (apr / 100), typeof(apr) apr_type FROM v1;
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SELECT id, (apr / 100), typeof(apr) apr_type FROM v1rj;
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SELECT id, (apr / 100), typeof(apr) apr_type FROM v2;
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SELECT id, (apr / 100), typeof(apr) apr_type FROM v2rj;
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SELECT id, (apr / 100), typeof(apr) apr_type FROM v2rjrj;
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CREATE TABLE map_integer (id INT, name);
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INSERT INTO map_integer VALUES(1,'a');
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CREATE TABLE map_text (id TEXT, name);
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INSERT INTO map_text VALUES('4','e');
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CREATE TABLE data (id TEXT, name);
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INSERT INTO data VALUES(1,'abc');
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INSERT INTO data VALUES('4','xyz');
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CREATE VIEW idmap as
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SELECT * FROM map_integer
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UNION SELECT * FROM map_text;
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CREATE TABLE mzed AS SELECT * FROM idmap;
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PRAGMA automatic_index=ON;
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SELECT * FROM data JOIN idmap USING(id);
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SELECT * FROM data JOIN mzed USING(id);
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PRAGMA automatic_index=OFF;
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SELECT * FROM data JOIN idmap USING(id);
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SELECT * FROM data JOIN mzed USING(id);
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