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21 lines
412 B
SQL
21 lines
412 B
SQL
-- This will cause a foreign key error.
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DROP TABLE IF EXISTS child;
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DROP TABLE IF EXISTS parent;
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CREATE TABLE parent (
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id INT NOT NULL,
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PRIMARY KEY (id)
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) ENGINE=INNODB;
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CREATE TABLE child (
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id INT,
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parent_id INT,
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INDEX par_ind (parent_id),
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FOREIGN KEY (parent_id) REFERENCES parent(id)
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) ENGINE=INNODB;
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INSERT INTO parent VALUES (1), (2), (3);
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INSERT INTO child VALUES (1, 9); -- Error!
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