![]() ![]() But the seq value differs as there are multiple columns in the key. So, the multiple column key results in multiple rows in the output where id is same as this is actually one key. So if you take the next example - sqlite> CREATE TABLE Test2 (first INTEGER, second INTEGER, FOREIGN KEY (first, second) REFERENCES A(a, b) ON DELETE CASCADE) You can see the id fields value are 0 and 1 respectively but the seq values are all 0.Īs you may know sqlite allows multiple column names in foreign key statement. and import it somewhere in the global place of your app (for example in app.ts ). TiDB supported FOREIGN KEY from v6.6.0, please notice the version of TiDB. You can see there are two foreign keys in table Test and so there are two entries shown in PRAGMA foreign_key_list() output. SQLite Syntax for Creating Table with Foreign Key Ask Question Asked 9 years, 10 months ago Modified 8 years, 5 months ago Viewed 60k times 53 I'm creating a table with foreign key references. GORM officially supports the databases MySQL, PostgreSQL, SQLite, SQL Server. I understand that theres probably ways around this (such as just creating a new column and dropping the original, or disabling foreign key constraints for. I know the table Test look like a nightmare, but just ignore the horrible schema for a moment. Id seq table from to on_update on_delete match Example: Foreign Key in SQL Here, the customerid field in the Orders table is a FOREIGN KEY that references the customerid field in the Customers table. ![]() Take below example executed in sqlite3 cli with header and column option on - CREATE TABLE Test (first INTEGER, second INTEGER, FOREIGN KEY (first) REFERENCES A(a) ON DELETE CASCADE, FOREIGN KEY (second) REFERENCES B(x) ON DELETE CASCADE) So, in the output you got the first two 0s are for id and seq. Id, seq, table, from, to, on_update, on_delete, match The output of PRAGMA foreign_key_list() consists of following columns in order. ![]()
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