postgresql delete row with foreign key constraint
Postgres supports CASCADE with TRUNCATE command: ... I wrote a (recursive) function to delete any row based on its primary key. ... because it would violate the foreign key constraint, the cascade will cause it to delete the offending rows. , To automate this, you could define the foreign key constraint with ON DELETE CASCADE . I quote the the manual of foreign key constraints:., First start a transaction: begin;. Start deleting all from links_groupseen first: delete from links_groupseen where which_reply_id in (select ...,I have ~250K rows in this table. the token_idx is referenced in two other tables, both of whom have a foreign key constraint to ON DELETE CASCADE. , If you want to avoid deleting records from the child table, you need to set the foreign key value for the parent table record to NULL. PostgreSQL ...,See here: http://www.postgresql.org/docs/9.3/static/ddl-constraints.html. Restricting and cascading deletes are the two most common options. RESTRICT ... , Problem is, the foreign key constraint doesn't allow deleting object_data rows that are still referenced from object. My current solution is reading ...
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 postgresql delete row with foreign key constraint 相關參考資料
CASCADE DELETE just once - Stack Overflow
Postgres supports CASCADE with TRUNCATE command: ... I wrote a (recursive) function to delete any row based on its primary key. ... because it would violate the foreign key constraint, the cascade wil... https://stackoverflow.com Delete rows with foreign key in PostgreSQL - Stack Overflow
To automate this, you could define the foreign key constraint with ON DELETE CASCADE . I quote the the manual of foreign key constraints:. https://stackoverflow.com Deleting aged postgresql rows with foreignkey constraints ...
First start a transaction: begin;. Start deleting all from links_groupseen first: delete from links_groupseen where which_reply_id in (select ... https://dba.stackexchange.com deleting rows with foreign keys - PostgreSQL
I have ~250K rows in this table. the token_idx is referenced in two other tables, both of whom have a foreign key constraint to ON DELETE CASCADE. https://www.postgresql.org How to use the PostgreSQL DELETE CASCADE | ObjectRocket
If you want to avoid deleting records from the child table, you need to set the foreign key value for the parent table record to NULL. PostgreSQL ... https://kb.objectrocket.com postgres: Delete rows that has foreign key while not deleting ...
See here: http://www.postgresql.org/docs/9.3/static/ddl-constraints.html. Restricting and cascading deletes are the two most common options. RESTRICT ... https://stackoverflow.com PostgreSQL: deleting rows referenced from another table ...
Problem is, the foreign key constraint doesn't allow deleting object_data rows that are still referenced from object. My current solution is reading ... https://stackoverflow.com |