Making statements based on opinion; back them up with references or personal experience. Ask Question Asked 7 years, 11 months ago. I did not want to create … I wanted to be able to delete complex sets of data (as a DBA) but not allow my programmers to be able to cascade delete without thinking through all of the repercussions. @dt This is marked for 1.1 but not otherwise on the roadmap. ON DELETE CASCADE. Looking for a novel or short story about an immortal shapeshifter cop/detective, Can a judge legally forbid a jury from Nullifying a verdict if they ask him about it before deciding on a verdict. 6 comments Closed ... Postgres 11.4 Prisma: 2.0.0-beta.2 Node: 12.2.0. Why didn't NASA simulate the conditions leading to the 1202 alarm during Apollo 11? > >> >> > We noticed that in our MySQL database ON DELETE CASCADE is not working > >> >> > when a row is deleted by web2py controller. Trying to implement a simple user follower system in MySQL, using a junction table: CREATE TABLE users ( id int NOT NULL AUTO_INCREMENT, email varchar(255) NOT NULL, username varchar(25) NOT NULL, password varchar(25) NOT NULL, apikey varchar(45) NOT NULL, … In this article, we’ll discuss the PostgreSQL DELETE CASCADE and review some examples of … The WHERE clause is optional. The DELETE statement returns the number of rows deleted. We will follow this order to update the FOREIGN KEY‘s.. Use ALTER TABLE command to drop any existing FOREIGN KEY‘s. pgsql-sql(at)postgresql(dot)org: Subject: Cascading deletions does not seem to work inside PL/PGSQL functions. After reading this informative blog post, I decided to use the demonstrated examples there, and apply them to my own needs.. PostgreSQL does not delete a row in the . What am I missing here? Let’s take some examples of using the PostgreSQL DROP TABLE statement. Active 3 years, 11 months ago. The above example could also be written as . Copy link … I have a database in Qt. CASCADE DELETE just once (6) . Here is an example using knex … wrote: > > > what if i do not want to fire sperate delete SQLs for the slave Don't let yourself start thinking inheritance in PostgreSQL behaves too similarly to inheritance in, say, All PostgreSQL tutorials are simple, easy-to-follow and practical. Copyright © 1996-2020 The PostgreSQL Global Development Group, Kenneth Tilton . Postgres delete cascade not working My noob understanding is that deleteing one of these: CREATE TABLE provider_input. sqlite “On delete CASCADE” not working as expected in QT. not right!!! Current Structure. First, the CASCADE option is not … Active 2 years, 2 months ago. In PostgreSQL, you can use the DELETE CASCADEstatement to make sure that all foreign-key references to a record are deleted when that record is deleted. If ONLY is not specified, matching rows are also deleted from any tables inheriting from the named table. Viewed 1k times 4. PostgreSQL Cascade Delete not working. I will play around now to see if that is an issue, thought I'd send up a flare here at the same time. By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. And what is the scope? I'm having 2 Entities. DELETE CASCADE: When we create a foreign key using this option, it deletes the referencing rows in the child table when the referenced row is deleted in the parent table which has a primary key. Ask Question Asked 6 years, 1 month ago. Ask Question Asked 5 years, 7 months ago. CASCADE construct which was introduced in PostgreSQL 8.2, which will not only delete all data from the main table, but will CASCADE to all the referenced tables. Perhaps CASCADE should be added to truncate() if Postgres is used? Not all the related fk have indexes but they are VERY small (0 to it has four tables: maingroup, subgroup, parts, and position.this is my database: CREATE TABLE `maingroup` (`groupName`TEXT NOT NULL UNIQUE, PRIMARY KEY(`groupName`)); CREATE TABLE `subgroup` (`sub` TEXT NOT NULL UNIQUE, `main` TEXT NOT NULL, PRIMARY KEY(`sub`), FOREIGN KEY(`main`) … And which version of Npgsql.EntityFrameworkCore.PostgreSQL? PostgreSQLTutorial.com is a website dedicated to developers and database administrators who are working on PostgreSQL database management system. Foreign key Constraint on delete cascade does not work postgres. When you execute the DROP INDEX statement, PostgreSQL acquires an exclusive lock on the table and block other accesses until the index removal completes.. To force the command waits until the conflicting transaction completes before removing the index, you can use the CONCURRENTLY option.. Conclusión. Copy link Quote reply Member roji commented Feb 10, 2018. I have a named native query which looks so: @NamedNativeQuery(name = "deleteRecipes", query = "DELETE FROM RECIPE WHERE rcp_acc_identifier IN (?1)") These are … The following statement removes … Deleting aged rows from postgresql table which don't have related entries in another table . ; Use ALTER TABLE command to add the needed FOREIGN KEY‘s back to the table. Active 7 years ago. It returns zero if the DELETE statement did not delete any row. Archived Forums > ... Once data is loaded, I delete the parent entity, I have set cascade delete and cascade updae ON, in SQL Server DB, so after loading the data when I remove a parent entity, it is removed from local data context and also from DB and in DB its childs are also removed. ALTER TABLE summary_table ADD FOREIGN KEY (table_oid_column) REFERENCES pg_class (oid) ON DELETE CASCADE; I have a summary table which I keep some information about … - se especifica "cascade" para actualizaciones ("on update cascade") y se modifica un valor de clave primaria (codigo) de la tabla referenciada (editoriales) que existe en la tabla principal (libros), PostgreSQL actualiza el registro de la tabla referenciada (editoriales) y todos los registros coincidentes en la tabla principal (libros). Note: In PostgreSQL Foreign key, we will use the ON DELETE CASCADE option most commonly. I do not actually instantiate common, I have a table that inherits from that. When did Lego stop putting small catalogs into boxes? I'm still testing out this function, so there may be bugs in it -- but please don't try it if … Postgres - Cascade delete not working. (this was not posted) Try this attached test. your coworkers to find and share information. I have two tables: CREATE TABLE source ( "sourceid" serial, "state" character varying(255) REFERENCES states (state), "leadtime" character varying(255), CONSTRAINT source_pkey PRIMARY KEY (sourceid) ) CREATE INDEX ON source (state ASC NULLS LAST); CREATE … ; The WHERE clause is optional. I will try to work out how best to decrement my rowcount table another way. Apr 25, 2009 at 8:02 pm: My noob understanding is that deleteing one of these: CREATE TABLE provider_input.file_load (sid serial NOT NULL, file_name_full text, file_name text, file_creation_date text, load_universal_time numeric, headers text, date timestamp without time zone DEFAULT now(), CONSTRAINT file_load_pkey PRIMARY KEY … I have a database in Qt. How do you root a device with Magisk when it doesn't have a custom recovery. But when it comes to altering existing constraints, there is not much you can do. Trying to implement a simple user follower system in MySQL, using a junction table: CREATE TABLE ... Postgres taking 3h to DELETE CASCADE. [PostgreSQL] delete cascade not working; Kenneth Tilton. and these steps: 1) go to admin page 2) create new user "test" 3) create new profile for user "test" 4) try delete user "test" and there starts problem, only user is deleted and not profile. When I run DELETE FROM users WHERE id='some_id' the record on beta_keys table does not get deleted. *Thread* entity and *Post* entity using OnetoOne mapping fro MySQL - Delete row that has a foreign key constraint which reference to itself. So that would be in ass_sf table. parent table do not apply to data in child tables. A substitute name for the target table. Cascade Update & Delete SQL not working I have been working on a sample database I have created called Employee to practice SQL. Transformer makes an audible noise with SSR but does not make it without SSR. Active 5 years, 4 months ago. In this syntax: First, specify the name of the table from which you want to delete data after the DELETE FROM keywords. As a consequence, you currently cannot do what you are trying to do. delete cascade works by deleting referencing rows ( users ) when the referenced row ( beta_keys ) is deleted. 1. The DELETE statement returns the number of rows deleted. ON DELETE CASCADE not working. Summary: in this tutorial, you will learn about PostgreSQL foreign key and how to add foreign keys to tables using foreign key constraints.. Introduction to PostgreSQL Foreign Key Constraint. We noticed that in our MySQL database ON DELETE CASCADE is not working when a row is deleted by web2py controller. Should I give her aspirin? I have two tables: CREATE TABLE source ( sourceid serial, state character varying(255) REFERENCES states . Viewed 6k times 2. While a CHECK constraint that violates this rule may appear to work in simple tests, it cannot guarantee that the database will not reach a state in which the constraint condition is false (due to subsequent changes of the other row(s) involved). Viewed 1k times 4. Date: 2002-07-16 11:25:14: Message-ID: 200207161655.14794.mallah@trade-india.com: Views: Raw Message | Whole Thread | Download mbox | Resend email: Thread: Lists: pgsql-sql: Hi folks, This problem has been troubling me for quite sometime and I would be very thankful for your help. deleting from the first table is very slow. The DROP INDEX CONCURRENTLY has some limitations:. sqlite “On delete CASCADE” not working as expected in QT. The table containing the foreign key is called the referencing table or child table. ON DELETE CASCADE on pg_class in PostgreSQL does not work. From: Shaan Repswal To: psycopg(at)postgresql(dot)org: Subject: DELETE FROM statement not working: Date: 2016-03-14 16:56:58: Message-ID: CALa+hESZQ9=v0hF3rsFhuUyDNQX-5-Y5iyC091B9mWhVDn-wCQ@mail.gmail.com: Views: Raw Message | Whole Thread | Download mbox | Resend email: Thread: Lists: psycopg: I was trying to delete … By using our site, you acknowledge that you have read and understand our Cookie Policy, Privacy Policy, and our Terms of Service. This is valid only if the foreign key columns do not have the NOT NULL qualifier. I'm using EF6 Code-first and I have Entites with cascade deleting enabled. Note: PostgreSQL does not support CHECK constraints that reference table data other than the new or updated row being checked. Del mismo modo, no podemos crear un desencadenador EN VEZ DE ELIMINAR en la tabla cuando ya existe una regla de CASCADE DELETE de clave externa en la tabla. Which version of EF Core are you using? share | improve this question | follow | edited May 30 '16 at 18:40. smac89. delete cascade works by deleting referencing rows (users) when the referenced row (beta_keys) is deleted. Hibernate OnDelete Cascade not working for MySql but Works on postgres and Ms-Sql. On Thursday 18 July 2002 12:01, you wrote: > On Thu, 18 Jul 2002, Rajesh Kumar Mallah. It is working ok when I run SQL delete from mysql console. UPDATE CASCADE: When we create a foreign key using UPDATE CASCADE the referencing rows are updated in the child table when the referenced row is updated in the parent table which has a primary key. 1. The PostgreSQL trigger function is the same as an ordinary function, but it gets invoked or performed automatically when we perform as database operation such as insert, update, or delete and a defined event occurs. ON DELETE SET NULL NO ACTION: Do not delete record if there is a related foreign key value in the referenced table. DELETE FROM statement not working. Asking for help, clarification, or responding to other answers. Should this be moved to a later release? A foreign key is a column or a group of columns in a table that reference the primary key of another table.. The documentation snippet above really means that when a new child table is created, check constraints and not null constraints are automatically created to correspond with those on the parent. [PostgreSQL] delete cascade not working; Kenneth Tilton. To learn more, see our tips on writing great answers. The text was updated successfully, but these errors were encountered: 7 pantharshit00 added bug/2-confirmed kind/bug process/candidate labels Apr 19, 2020. Postgres delete cascade not working. PostgreSQL Cascade Delete not working. Active 2 years, 2 months ago. Let us see an example to understand how the CASCADE option work's with Foreign keys. One or more rows contain values violating non-null, unique, or foreign-key constraints, MySQL: error on truncate `myTable` when FK has on Delete Cascade enabled. RIA services, EF, cascade delete not working! Introduction to PostgreSQL DROP TRIGGER. When an alias is provided, it completely hides the actual name of the table. 2. Postgres and Indexes on Foreign Keys and Primary Keys, How to add 'ON DELETE CASCADE' in ALTER TABLE statement, Foreign key constraints: When to use ON UPDATE and ON DELETE, Failed to enable constraints. ON DELETE CASCADE not working. Viewed 2k times 0. DELETE CASCADE: When we create a foreign key using this option, it deletes the referencing rows in the child table when the referenced row is deleted in the parent table which has a primary key. Thanks for contributing an answer to Stack Overflow! Database is genereated correctly (cascade delete is enabled fo relations). Delete Works in one Stored Procedure but not another. The Employee table has a fiield BranchID (long) which will be the FK to the new table I am trying to create. Foreign key Constraint on delete cascade does not work postgres , users references beta_keys . Implementing the Changes. Active 5 years, 4 months ago. We constantly publish useful PostgreSQL tutorials to keep you up-to-date with the latest PostgreSQL features and technologies. Ask Question Asked 2 years, 2 months ago. Description. I finally figured it wasn't working for me because of paranoid. Ask Question Asked 6 years, 1 month ago. PostgreSQL DELETE CASCADE foreign key. Cascade delete is not working correctly in EF6 Code-first. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. USE WITH CARE - As pointed out in the comments: "This will drop all rows of all tables which have a foreign key constraint on some_table and all tables that have constraints on those tables, etc". Viewed 2k times 5. Suppose you had two tables orders and order_items where the order_items … MATCH SIMPLE ON DELETE CASCADE … Sequelize doesn't handle cascade, and does a MySQL cascade delete instead. Apr 25, 2009 at 8:02 pm: My noob understanding is that deleteing one of these: CREATE TABLE provider_input.file_load (sid serial NOT NULL, file_name_full text, file_name text, file_creation_date text, load_universal_time numeric, With the below table structure, we can see three FOREIGN KEY constraints. Like this: modelBuilder.Entity() .WillCascadeOnDelete(true); If you do not want that, you can use RemoveRange like this: context.user.RemoveRange(query); Or you can loop through each child and delete them individually like this: Either turn cascade delete on for user so when it is deleted, all its children will be deleted as well. Because DELETE does not acquire an explicit table lock, and without doing that it's not possible to release disk space. There are other ways to do the updates, which is strongly not recommended. It'll wait to get it. You also try deleting the PostgreSQL database using drop database databaseName; which doesn’t work. The DROP trigger is used to remove the triggers exists in the database. sqlfiddle: http://sqlfiddle.com/#!17/a7495/1. Add ON DELETE CASCADE To Foreign Key Constraint. Viewed 1k times 0. Convienience? ON UPDATE CASCADE); CREATE TABLE table3 (id int4, content text, CONSTRAINT table3_id_fk FOREIGN KEY(id) REFERENCES table1(id) ON DELETE CASCADE. All changes are built upon the ALTER TABLE command. What am I missing here? rev 2020.12.18.38240, Stack Overflow works best with JavaScript enabled, Where developers & technologists share private knowledge with coworkers, Programming & related technical career opportunities, Recruit tech talent & build your employer brand, Reach developers & technologists worldwide, Foreign key Constraint on delete cascade does not work postgres, Podcast 297: All Time Highs: Talking crypto with Li Ouyang. Viewed 6k times 2. Thanks for your reply. Adding record to Table (foreign key constraint fails), Rails: Relation does not exist for reference with class name in production, SQLSTATE[HY000]: General error: 1 unknown column “user_id” in foreign key definition, Chatam Sofer on Tenth of Tevet falling on the Shabbat. 13. ...but I just tried it and the file_load is gone but not the items that referenced it. alias . ALTER TABLE provider_input.common ADD CONSTRAINT common_pin_file_load_sid_fkey FOREIGN KEY (pin_file_load_sid) REFERENCES provider_input.file_load (sid) MATCH FULL ON UPDATE NO ACTION ON DELETE CASCADE; Would cause any of these referring to the file_load to be deleted: CREATE TABLE provider_input.common( sid serial NOT NULL, pin_file_load_sid integer, load_row_no integer, CONSTRAINT common_pin_file_load_sid_fkey FOREIGN KEY (pin_file_load_sid) REFERENCES provider_input.file_load (sid) MATCH FULL ON UPDATE NO ACTION ON DELETE CASCADE). Before you perform a DELETE operation, it’s important to consider any foreign key relationships between the records to be deleted and records in other tables. Learn About ON DELETE RESTRICT AND ON DELETE CASCADE in PostgreSQL. Foreign key constraint may cause cycles or multiple cascade paths? Active 5 years, 7 months ago. I wanted to be able to delete complex sets of data (as a DBA) but not allow my programmers to be able to cascade delete without thinking through all of the repercussions. Is Thursday a “party” day in Spain or Germany? How to mirror directory structure and files with zero size? Because of that, it is possible to get database into inconsistent state with web2py When looking into this problem I noticed self._execute('SET Ask Question Asked 2 years, 2 months ago. I have a table called "Reviews" and it references a record in a table "ReviewSetups". ON UPDATE NO ACTION ON DELETE CASCADE)...but I just tried it and the file_load is gone but not the items that referenced it. When I delete a ReviewSetup I was to also delete all child Reviews (so cascade delete). UPDATE CASCADE: When we create a foreign key using UPDATE CASCADE the referencing rows are updated in the child table when the referenced row is updated in the parent table which has a primary key. Yet, I need to change the definitions and specify an ON UPDATE CASCADE ON DELETE CASCADE ‘contract’ for each constraint. TIP: You can not add a foreign key with casade delete to a table using ALTER TABLE because SQLite does not support ADD CONSTRAINT in the ALTER TABLE statement. ON DELETE CASCADE is specified in FOREIGN KEY contsraints. Cascade delete on foreign key More from dba. [PostgreSQL] on delete cascade slowing down delete; Ivan Sergio Borgonovo. Foreign key Constraint on delete cascade does not work postgres. Two things that might matter: I am using pgAdminIII to do the delete. ; Second, use a condition in the WHERE clause to specify which rows from the table to delete. ; Verify new keys are in place and updated. Work 's with foreign keys table command B will django delete C, but deleting a will have. Table data other than the new table I am trying to create and. That in our MySQL database on delete cascade on pg_class in PostgreSQL does not -! Is the following: PostgreSQL does not support CHECK constraints that reference table data other than the or... A table test it gave this notice: postgres on delete RESTRICT and on delete cascade not correctly... That descendant tables are included columns do not actually instantiate common, I need to change the definitions specify... Tcp three-way handshake by bairog » Thu 25 Oct 2018 05:58 Hello and paste this into! References a record in a table `` ReviewSetups '' clicking “ post your Answer ” you! Of service, privacy policy and cookie policy the DROP trigger is used to remove the triggers in. Demonstrated examples there, and does a MySQL cascade delete B, B will django delete C postgres delete cascade not working genereated (. As a consequence, you currently can not do it for you and your coworkers to find and share.! Run delete from keywords Procedure but not a delete is sent to results, the day of table. The FK to the 1202 alarm during Apollo 11 column field is.... Access EXCLUSIVE ( highest level ) as well rows WHERE any of the Triffids a! Notice: postgres on delete cascade ‘ contract ’ for each constraint an! Orders and order_items WHERE the order_items … Learn About on delete cascade is not specified, matching rows are NO! Order_Items … Learn About on delete cascade Introduction to PostgreSQL DROP trigger is to! To understand how the cascade option work 's with foreign keys > it is working ok when I run delete... Disk weapons in the database © 1996-2020 the PostgreSQL Global Development Group postgres delete cascade not working Tilton... Migration script generation Feb 10, 2018, see our tips on writing answers... Spot for you and your coworkers to find and share information externa de SQL Server was! It and the file_load is gone but not another delete SET NULL NO ACTION, SET NULL ACTION! Device with Magisk when it is working ok when I delete a record in a that! User contributions licensed under cc by-sa bug/2-confirmed kind/bug process/candidate labels Apr 19, 2020 B will delete! Not exist so when it comes to altering existing constraints, there is a or... 1202 alarm during Apollo 11 value in the source code - lib/hooks.js best to decrement my rowcount another... > > > > > > it is working ok when I run delete from MySQL console DROP cascade which. From keywords > on Thu, 18 Jul 2002, Rajesh Kumar Mallah in, say, on delete ”. Database using DROP database databaseName ; which doesn ’ t work is NULL table from which you want to.... That inherits from that comes to altering existing constraints, there is a website dedicated to developers and administrators. Expected in QT personal postgres delete cascade not working I resigned: how to address colleagues before I?... To remove the triggers exists in the table to delete data after the to! Table, but not another TRUNCATE acquires an ACCESS EXCLUSIVE ( highest level ) postgres delete cascade not working! Present on the let ’ s take some examples of using the PostgreSQL DROP trigger is used remove... A computer analyze audio quicker than real time playback key columns do not apply to data child. Directly in the table to delete does not work postgres, users references beta_keys use a condition in the clause! Are in place and updated and on delete cascade works by deleting referencing (. List can be found in directly in the database from users WHERE id='some_id ' the record on beta_keys does! Dedicated to developers and database administrators who are working on PostgreSQL database management system, specify the name of column! Do quite a bit audio quicker than real time playback years, month! Postgresql features and technologies change the definitions and specify an on UPDATE cascade ) ; and always when the to... By clicking “ post your Answer ”, you wrote: > what. Is the following: PostgreSQL does not work - wrong migration script generation Feb 10 2018! Try to work out how best to decrement my rowcount table another way PostgreSQL too. By web2py controller long ) which will be deleted as well transactions use delete and they work other... Not do it for you the updates, which means that changes on the roadmap, SET and... From that Question | follow | edited may 30 '16 at 18:40. smac89 when a delete is to...: do not apply to data in child tables during a video?! By deleting referencing rows ( users ) when the referenced row ( beta_keys ) is deleted later in tutorial... A table called `` Reviews '' and it references a record in a table `` ReviewSetups.. Which rows from the named table “ post your Answer ”, wrote... The cascade option most commonly fiield BranchID ( long ) which will be the FK to the new table am... Not on the m_int table, but deleting a will cascade delete does not work postgres rows also... To this RSS feed, copy and paste this URL into your RSS reader using c++11 random header to random... Tried it and the file_load is gone but not a delete is sent to results, the option... Will try to work out how best to decrement my rowcount table another way simulate the leading. You want to fire sperate delete SQLs for the slave on delete cascade option most commonly,! An on UPDATE cascade on delete cascade works by deleting referencing rows ( users ) when the.., use a condition in the WHERE clause to specify which rows PostgreSQL. Script generation Feb 10, 2018, exploramos algunos ejemplos sobre las reglas ELIMINAR en CASCADA y CASCADA. Stored Procedure but not a delete cascade not working with WHERE clause to specify which rows the... | follow | edited may 30 '16 at 18:40. smac89 in EF6 Code-first all children. Errors were encountered: 7 pantharshit00 added bug/2-confirmed kind/bug process/candidate labels Apr 19, 2020 when an alias is,! Battery to drain the battery it gave this notice: postgres on delete, are. N'T have a table called `` Reviews '' and it references a record and all of its dependents! Using DROP database databaseName ; which doesn ’ t work on delete cascade working... Quite a bit statement returns the number of rows deleted ask Question Asked 6 years, 2 months.! Will try to work out how best to decrement my rowcount table another way is sent to,. Using pgAdminIII to do the delete statement will delete all rows in the parent do! The file_load is gone but not the only option for your foreign keys quicker than real playback... Users WHERE id='some_id ' the record on beta_keys table does not work - migration... Trying to create up during a video conference 05:58 Hello postgres delete cascade not working deleting a will delete. En la clave externa de SQL Server to mirror directory structure and with! Sperate delete SQLs for the slave on delete, there is a column or a of! Working on PostgreSQL database using DROP database databaseName ; which doesn ’ work! Be deleted as well not apply to data in child tables when the table to delete data after the from. Table has a foreign key columns do not have an OLD.m_value_id which is present on the table. Reputation as an Easy Instrument I just tried it and the file_load is gone but not another django delete,... On opinion ; back them up with references or personal experience requires an OLD.m_value_id which present. How do you root a device with Magisk when it comes to altering constraints! Informes that the trigger wo n't work and paste this URL into your reader! If you omit the WHERE clause deleting aged rows from the named table if there is a related foreign in. Level ) help, clarification, or responding to other answers Reputation as an Easy Instrument post by bairog Thu... Great answers n't handle cascade, but these errors were encountered: 7 pantharshit00 added bug/2-confirmed kind/bug labels!, I decided to use the demonstrated examples there, and does a MySQL cascade delete not. For a query to delete data after the table to delete data after the table added bug/2-confirmed kind/bug process/candidate Apr. Try deleting the same table, 1 month ago columns do not to... Bairog » Thu 25 Oct 2018 05:58 Hello the parent table refers to the table that the! The day of the table name to explicitly indicate that descendant tables are included trigger requires an OLD.m_value_id is... Most commonly keep you up-to-date with the below table structure, we see! Restrict and on delete cascade works by deleting referencing rows ( users ) when the table is private... Second, use a condition in the WHERE clause to specify which from... Where clause, the delete statement returns the number of rows deleted I run delete. Where id='some_id ' the record on beta_keys table does not work postgres, users references beta_keys URL your. ( this was not posted ) try this attached test how can I temporarily disable a foreign key with delete... Ok when I run SQL delete from users WHERE id='some_id ' the record beta_keys! Group of columns in a table that inherits from that my supervisors ' child... It gave this notice: postgres on delete cascade on delete RESTRICT and on delete SET NULL ACTION... In child tables start thinking inheritance in PostgreSQL behaves too similarly to inheritance in, say, delete! If the delete statement will delete all rows in the original book, the cascade option 's...