EVOLUTION-MANAGER

Edit File: foreign_key_delete_existent.result

DROP DATABASE test; CREATE DATABASE test; USE test; CREATE TABLE comments ( id int unsigned PRIMARY KEY, content varchar(140) NOT NULL ); CREATE TABLE entries ( content varchar(140) NOT NULL, comment_id int unsigned, FOREIGN KEY (comment_id) REFERENCES comments (id) ); INSERT INTO comments (id, content) VALUES (100, 'Good entry!'); INSERT INTO entries (content, comment_id) VALUES ('Hello!', 100); DELETE FROM comments WHERE id = 100; ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (one or more child rows exist in <entries>) SELECT * FROM entries; content comment_id Hello! 100 SELECT * FROM comments; id content 100 Good entry! SELECT mroonga_command('dump --dump_plugins no'); mroonga_command('dump --dump_plugins no') table_create comments TABLE_PAT_KEY UInt32 column_create comments content COLUMN_SCALAR ShortText column_create comments id COLUMN_SCALAR UInt32 table_create entries TABLE_NO_KEY column_create entries content COLUMN_SCALAR ShortText table_create mroonga_operations TABLE_NO_KEY column_create mroonga_operations record COLUMN_SCALAR UInt32 column_create mroonga_operations table COLUMN_SCALAR ShortText column_create mroonga_operations type COLUMN_SCALAR ShortText column_create entries comment_id COLUMN_SCALAR comments load --table comments [ ["_key","content","id"], [100,"Good entry!",100] ] load --table entries [ ["_id","comment_id","content"], [1,100,"Hello!"] ] column_create comments entries-comment_id----------------------------------------------- COLUMN_INDEX entries comment_id DROP TABLE entries; DROP TABLE comments;