Error exceptionshandler duplicate key value violates unique constraint

conrelid::regclass as table_name, co. Here's the actual table, built out of this entity: Jul 7, 2022 · When trying to send a request, with the same "flower_id", to Postman, returns 500 with message: "could not execute statement; SQL [n/a]; constraint [null]; nested exception is org. id是唯一的且id在数据库中是自增的. At a later point some records are inserted without id and they fail with the error: Error: duplicate key value violates unique constraint. Feb 28, 2019 · Seems that you try to create County with same county name as it's your primary key. If you want a combination of columns to be unique, you have to define a UNIQUE constraint over several columns: CREATE TABLE t (. My persistence. May 14, 2015 · I have a table with the unique constraint. You can check by doing: select vss_order_item_id, count(*) from imp. exc. @Entity() public class Todo extends PanacheEntityBase {. That exception caused the transaction and the initial commit to rollback. IntegrityError: duplicate key value violates unique constraint because of the save method. This is one of the reasons why identity columns are preferred over using a sequence and a default value. 5 now: duplicate key value violates unique constraint "idx_projecttag" DETAIL: Key (projecttag)=(npm@randombytes) already exists. nspname as schema_name, co. When calling DbContext. console. 6w次，点赞13次，收藏35次。Org. Apparently the id got defined as a sequence: Each failed insert increases the pointer in the sequence till it increments to a value that no longer exists and the queries succeed. Detail: Key (b_name)=(someName) already exists. Now if we insert the same value of id again, it errors out with a duplicate key violation because of the unique primary key: Feb 24, 2016 · You may have duplicate values in the staging table. 7 years ago. You could use a simple try/catch block, mapping successful saves to Some[User] and PSQLException to None : Jan 18, 2024 · [23505] ERROR: duplicate key value violates unique constraint but the same code pointing to SQL Server is fine. Hi, Till yesterday everything was good on Odoo. Unless you were querying nextval on the sequence enough times now, that the insert is not generating errors anymore. the solution can be found sometimes somewhere else: the relationship between the entities 'profession' and 'professiongroup' is wrong. setEmail("teste@123. In the server log there's almost the same: Jan 22, 2021 · PG::UniqueViolation: ERROR: duplicate key value violates unique constraint "table_pkey" A few possible solutions: After importing, change the database id sequence to something bigger than the largest id you imported. Nov 22, 2021 · I just came across this issue too, I have Spring Session JDBC with PostgreSQL set up too. From reading similar questions, it seems that I should declare the ID in the statement. Below the Serializer class Apr 17, 2022 · ERROR: duplicate key value violates unique constraint "my_table_version_pkey" DETAIL: Key (puck_firmware_version_id)=(66) already exists. col1 type1, col2 type2, Oct 9, 2020 · A short description of the code: User can create a category. See here or here for answers on how to fix the sequence problem. If you wanna insert same data into database, Define your columns in your entity like this: @Column({ unique: false }) firstName: string; answered Nov 3, 2022 at 20:40. xml looks like this: Jul 11, 2011 · SQL: duplicate key value violates unique constraint PGS-220000 Hot Network Questions Why is a game's minor update (e. If you want you can add Unique constraints it's up to you. (a tuple is one record (one row)) Feb 8, 2024 · django. I'm trying to create a postgres database using typescript and typeOrm. a in' as well as with 'where not exists' The code I use right now is the following: May 29, 2016 · Please see my answer here How to avoid id conflicts (uniqueconstraint violation) when using PanacheEntity together with Quarkus "import. ConstraintViolationException: could not execute statement. 17/06/2022 15:34. but when I'm trying to add a new user with the following code I get this error: // Adds a user to the database. Defining Unique Constraint: Using @UniqueConstraint inside @Table, we can either define one column or multiple columns constraints, along with a custom constraint name: Mar 2, 2023 · でも、まだ duplicate key value のエラーが発生する、嫌になって一回レコードを全件削除し、 setval を 1 にして初期の状態に戻して新規レコードを登録してみたら採番が 1 からじゃない！なんやねん！ こんな状況になってました。 Mar 6, 2018 · This problem "duplicate key value violates unique constraint" has been real pain on my ass for nearly a week 0 Django: duplicate key value violates unique constraint with Postgresql not with SQlite -> why? Aug 29, 2016 · 2. Key (col1, col2)=(123, "Monday") already exists. PSQLException: ERROR: duplicate key value violates unique constraint "details_pkey" Detail: Key (details_id)=(8) already exists. Feb 22, 2015 · This is the error: Failure/Error: shifts = create_list(:shift, 20) ActiveRecord::RecordNotUnique: PG::UniqueViolation: ERROR: duplicate key value violates unique constraint "index_users_on_phone_number" DETAIL: Key (phone_number)=(1-444-555-8888) already exists. Feb 1, 2021 · Message, "duplicate key value violates unique constraint") {} //even you can change the condition to check on `Code` as well instead of `Message` 👎 40 senseijack, loeffel-io, Bingmang, pioz, cdz620, Rustixir, ssmallya, gunsluo, batara666, skyjerry, and 30 more reacted with thumbs down emoji Jun 13, 2018 · I have a PostrgresDB i am connected to with my Nodejs app using sequelize, i am trying to create and save a model, but it is throwing error: duplicate key value violates unique constraint "message_pkey" Jan 2, 2024 · Duplicate key value violates unique constraint "b_name_key" after save @ManyToOne entity by Spring-boot, Spring-data, Hibernate 1 ERROR: duplicate key value violates unique constraint Aug 19, 2014 · Rails 6 adds a new create_or_find_by method that alleviates a possible race condition, with a few drawbacks:. May 30, 2018 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. @GeneratedValue(strategy = GenerationType. Copy all the billing addresses to the BillingAddress model table. update_or_create( country_id=country_id_field defaults={'country': country_name}, ) # one_country. Dec 19, 2017 · I have set my postgres database populated and all constraints applied. You can then use a global exception handler or the like to customize the response and code. id with @Generated . The id keeps changing for all employees. com). @Id. (SQL: insert into "lkp_locations" ("tex If I Replay the XHR ,the ID is increased, until I have an ID available ,and then the value is stored. persist(pessoa); This will ensure that the object is new when hibernate trying to persist it. Those relations have the deferrable: true flag, which means I'm getting a FK constraints that are deferrable. rb I use the callback after_save :create_moderation Then write a Jun 15, 2021 · Issue Description When trying to upsert an entity to a Postgresql DB, I get a QueryFailedError: duplicate key value violates unique constraint. oid, true) as constraing_def. Like this: Mar 17, 2021 · Caused by: org. According to the documentation, the save method should not have any problems UPDATING the model. (SQL: insert into ~~(以下省略) 解決方法 & 実行履歴. That violation threw an exception. The path needs to be case sensitive so can't just blindly cast them to lower case. ' The name column does not have a unique constraint in either table, and I checked using: SELECT pg_get_indexdef(oid) FROM pg_class WHERE relname = 'tableNameBuffer_key' which gives the following: May 29, 2017 · 8. util. orm import sessionmaker from sqlalchemy. group by vss_order_item_id. hibernate. Jun 17, 2015 · If you are persisting new entity, what about trying to set ID to null. So in this case there cannot be another tuple where it has a favourite_id used in a previous tuple. The duplicate key value is (165863). Each Bucket has a prev and a next ref. declarative import declarative_base engine = It is working correctly, but it is also outputting the following SQL error: Violation of PRIMARY KEY constraint 'PK_AC_Shipping_Addresses'. ERROR: duplicate key value violates unique constraint Dec 27, 2023 · To check your business constraints such as 'email address must be unique' you should perform a query to determine if the email is unique as part of your business requirements checks. Dec 17, 2019 · PostgreSQL: Unique violation: 7 ERROR: duplicate key value violates unique constraint "users_pkey" 0 Recieveing a SQLSTATE[23000]: Integrity constraint violation: 1062 Duplicate entry error Jul 11, 2013 · I'm using Django, and every once in a while I get this error: IntegrityError: duplicate key value violates unique constraint "myapp_mymodel_pkey" DETAIL: Key (id)=(1) already exists. Then drop the pointless table validvalues - unless it has other uses: DROP TABLE validvalues; Else, at least drop one of the two redundant UNIQUE constraints unique_value and unique_value_new. AC_Shipping_Addresses'. I have a code to save my images that I use in my model's save method. All) private Collection<Profession> professions; // getters and setters. ) When a conflict produces an error, the replication won't proceed, and the logical replication worker will emit the following kind of message to the subscriber's server log: ERROR: duplicate key value violates unique constraint "test_pkey" DETAIL: Key (c)=(1) already exists. The SQL standard says that uniqueness ERROR: duplicate key value violates unique constraint "t_types_of_dementia_pkey" I want that this new tables gets populated by entries of others tables from other dbs. Is that correct? Dec 2, 2012 · If the schema contains serial or sequence columns, you should reset these to the max value that occurs in the corresponding column. Looks like you dumped/restored the database but some metadata got lost. The duplicate key value is (email@gmail. The duplicate you get relates to one of the records in your SELECT DISTINCT Oct 11, 2021 · My environment is basically an API backed by Postgres. CREATE UNIQUE INDEX "bd_hash_index" ON "public". Th When you attempt to create a new user without specifying the id, it pulls the value from the sequence (1), and you get a unique violation because you already have a user with id 1. Write an INSERT statement including an ON CONFLICT clause I have a model Post and each time a post is created I want a new instance of Moderation to be created at the same time. query Jul 15, 2014 · ERROR: duplicate key value violates unique constraint "tableA_pkey" DETAIL: Key (id)=(47470) already exists. And if you are excluding it in form then, you need to handle it by generating the unique username for every user which is bit tedious. When I run with dbeaver, it adds the new row and generates the id with no issue my_table(mt_version) values ('0. errors. Sep 30, 2017 · You need to include username in your form. (hacky, but works) Postgres manually alter sequence; Import the items without hardcoding their id-s. username = nameToSave; Nov 3, 2022 · 1. . I tried to save an entity A which has another entity B with a unique field name by spring-data. When I INSERT data into the tables, I get a UNIQUE-CONSTRAINT error: (IntegrityError) ERROR: duplicate key violates UNIQUE-CONSTRAINT e_data_pkey. Cannot insert duplicate key in object 'dbo. 1 DB to RDS v10. This is a Bucket entity, which has two one-one relations to itself. The INSERT 0 1 depicts that one row was inserted successfully. Omid Deldar. Identify the column or columns with the unique constraint. 831. discord_id = idToSave; user. This is a query and you should execute it on your DB server, you can use PGAdmin which uses graphical interface or through your console. objects. Since the sequence is greater than the max id on your table, you must be getting SQL issue: Duplicate key value violates unique constraint from some other unique key. Sep 17, 2019 · I get the error: 'duplicate key value violates unique constraint' even when checking if the primary key is already in the table in which I want to insert. They can then press 'follow' on a category and then they are saved to a database. When I have high volume, I get a ton of the following error: org. Dec 2, 2020 · django. Jun 26, 2013 · 1. having count(*) > 1; If this is the case, then I would suggest fixing the staging table. [Nest] 11080 - 19/02/2023, 20:28:51 ERROR [ExceptionsHandler] duplicate key value violates unique constraint "UQ_e12875dfb3b1d92d7d7c5377e22" QueryFailedError: duplicate key value violates unique constraint "UQ_e12875dfb3b1d92d7d7c5377e22" at PostgresQueryRunner. Jun 21, 2019 · I have a problem where I get duplicate key value violates unique constraint "my_obj_pk". exception. services. "bodies" USING btree ("hash"); I also have a Go program that takes "body" values on a channel, filters out the duplicates by hashing, and inserts only the non-duplicates into the database. PSQLException: ERROR : duplicate key value violates unique constraint device_id_key原文地址postgres 出现该问题着实没仔细看数据表序列ID,、出现的原因是: 以device表为列子. Either remove the UNIQUE constraint or sanitize the data. IntegrityError: duplicate key value violates unique constraint "blahmodule_blahthing_blahstuff_id" DETAIL: Key (blahstuff_id)=(1) already exists. PSQLException: ERROR: duplicate key value violates unique constraint "uniq_profile_rule_uuids" Detail: Key (profile_uuid, rule_uuid)=(AXRsvw_PVoUU_xJRyb4-, 486) already exists. And: When a UNIQUE or PRIMARY KEY constraint is not deferrable, PostgreSQL checks for uniqueness immediately whenever a row is inserted or modified. Jan 16, 2020 · 1. UniqueViolation) duplicate key value violates unique constraint "model_name_key" DETAIL: Key (name)=(a) already exists. (complicated) Jul 3, 2019 · Query 1 ERROR: ERROR: duplicate key value violates unique constraint "table_pkey" DETAIL: Key (id)=(6) already exists. The underlying table must have the relevant columns defined with unique constraints. It means your are inserting some data that already exist in the database. The problem in this case is happening when the PK is present. Knowledge. pg_get_constraintdef(co. db. Even though there are no such combination. Why do I not see any data in the table? Aug 23, 2021 · I have to save images with s3 when creating a new object for my website. resources. But now when any of the employee in our company (or myself) save the Timesheet, we get the following errors: duplicate key value violates unique constraint "hr_timesheet_sheet_sheet_pkey". ext. CONTEXT: COPY juniper_extd_file_status, line 1. IntegrityError: (psycopg2. Oct 18, 2019 · I'm not sure how this happened to this table but have an issue with ERROR: duplicate key value violates unique constraint trying to use AWS's DMS service to move a postgres v10. If the email address isn't unique throw a custom exception. IdentityBrokerService] (default task-9 Sep 1, 2021 · 文章浏览阅读2. Jun 3, 2021 · When I run it the second time, I get the below error: ERROR: duplicate key value violates unique constraint "file_status_ukey". Where Each user is linked to one Role. The statement has been terminated. 1. In a nutshell you can do the following: INSERT INTO ticket(id, name,seat) VALUES (nextval('hibernate_sequence'), 'Phantom of the Opera','11A') answered Mar 8, 2022 at 17:25. If the only exception that will be thrown is by unique key, and you really only care about success or failure (and not the type of failure), one way to go would be to return Option[User]. except this table has 200 rows. 19: 01: 30, 059 ERROR [org. Why would Postgres attempt to use that primary key again? Dec 17, 2021 · SqlExceptionHelper] (default task-9) ERROR: duplicate key value violates unique constraint "constraint_40" Detail: Key (identity_provider, user_id)=(cilogon, 66 cd6862-af52-4225-b6fe-41 b7ad457852) already exists. Nov 8, 2020 · Msg 2627, Level 14, State 1, Line 2 Violation of UNIQUE KEY constraint 'IX_User_Email'. " At the same time, it does not matter if the same ids are in the same request or in This was working for a while but suddenly started throwing QueryFailedError: duplicate key value violates unique constraint after I restored a row from an external source. keycloak. You can add a view (if you must??) to display yes/no instead of true/false: May 2, 2016 · The id field in your ny_stations table does not seem to be defined as a serial, so it is expected that pg_get_serial_sequence will return nothing. Remove the billing addresses from the Address model table. You can try a query like the following to determine which table has that unique constraint defined: SELECT n. We ran into a unique situation where one of the user came back saying that they are running into following error: postgresql duplicate key violates unique constraint May 2, 2022 · And for FOREIGN KEY constraints: The referenced columns must be the columns of a non-deferrable unique or primary key constraint in the referenced table. vendor_sale_staging. why isn't Postgres setting the new row id as 201? Mar 13, 2024 · In this article, we will discuss a common error encountered while working with Django, the Duplicate Key Value Violates Unique Constraint error, and provide a Dec 26, 2022 · 5,020 2 26 39. , New World) ~15 GB to download? Dec 9, 2021 · If you are using gorm V2 then replace primary_key to primaryKey and also add autoIncrement by default it will be true. Jan 17, 2020 at 0:55. Amount float32 `json:"amount"`. VALUES (1,'AWS Blog1'); INSERT 0 1. I got this error: Error: SQLSTATE [23505]: Unique violation: 7 ERROR: duplicate key value violates unique constraint "fasciculos_pkey1" DETAIL: Key (id)= (7) already exists. Think doubly linked list. I ran cake bake all on all tables and start to test. To my surprise sometimes I get a. type Movement struct {. " Solution: Find all columns used in unique_constraint, for instance column a, column b, column c, column d collectively creates unique_constraint and then find the May 2, 2022 · Cause: org. PostgresException: 23505: duplicate key value violates unique constraint Below are my entity models: Role and User. Change the Profile model table to have references to the BillingAddress model. May 4, 2022 · I am trying to update an existing instance from a model in Django admin interface but I'm getting django. With PostgreSQL, the ON CONFLICT clause allows you to define an alternative action when a duplicate key violation is encountered, such as skipping the insertion or updating the existing row. Coz username being a unique field can't be excluded in form. User'. Most probably your sequence got out of sync caused by other statements. A possible solution: Try migrating the blahstuff relation in blahthing from a OneToOneField field to a ForeignKey; An explanation with what I was using: Apr 13, 2019 · Duplicate key value violates unique constraint after saving @ManyToOne entity. In SQLAlchemy I am creating a schema (2 tables) which are linked by keys. I have a simple class with with a unique contrain. 08/06/2022 06:54. Apr 9, 2021 · Here is my code sample: from sqlalchemy import Column, Integer, String, create_engine from sqlalchemy. Jun 28, 2024 · If you take a look at the stack trace printed out with the exception, that will tell you where the exception originated from. Feb 19, 2020 · 'ERROR: duplicate key value violates unique constraint "tableNameBuffer_name_idx" DETAIL: Key (name)=(data) already exists. Aug 17, 2016 · See the inner exception for details. Workaround for ERROR: duplicate key value violates unique constraint Mar 14, 2019 · You cannot have duplicate keys on primary key column i. def store_data(): for key, value in get_parsed_json['api']['countries']. PSQLException: ERROR: duplicate key value violates unique constraint "reports_uniqueness_index" Here's what I believe the problem is. utils. log("Inserting a new user into the database"); const user = new dbUser(); user. PSQLException: ERROR: duplicate key value violates unique constraint "uniq_profile_rule_uuids" Detail: Key (profile_uuid, rule_uuid)= (AXpfnwbarWRV8oV6Rll-, 2633) already exists. sql". postgresql. it should have been: @Column(unique = true) private String name; @ManyToMany(cascade = CascadeType. tableA also references (has foreign key column) to tableB which was not changed in any django. com"); em. Provide details and share your research! But avoid …. Here is a simplified version: . Nov 7, 2019 · sqlalchemy. IntegrityError: null value in column "genre_id" of relation "shop_book" violates not-null constraint 4 Django Custom User - Not using username - Username unique constraint failed May 6, 2011 · The migration consisted of four steps: Create the table for the BillingAddress model. IntegrityError: duplicate key value violates unique constraint "accounts_customuser_email_key" DETAIL: Key (email)=([email protected]) already exists. When I use the django administration panel, I can easily Oct 11, 2021 · My environment is basically an API backed by Postgres. g. I have tried to check with either 'where not y. DETAIL: Key (run_id, file_name)=(1622722357003791, '20210420125933_NOTIFICATION_1_1. Mar 2, 2024 · But drop the FK constraint first. This problem has been doing my head in for far too long and I cannot find any solution in other questions. (normally you should not import the serials from a file, but give them the freedom to autoincrement. save(user); // works 🎉 await th Oct 9, 2018 · From design the save() of Spring Data makes an insert in DB when the element is not present in DB and performs an update when the PK of that element is given. PessoaFisica pessoaFisica = new PessoaFisica(); pessoaFisica. May 28, 2024 · Duplicate key value violates unique constraint "b_name_key" after save @ManyToOne entity by Spring-boot, Spring-data, Hibernate 42 why PG::UniqueViolation: ERROR: duplicate key value violates unique constraint? Jun 17, 2022 · Resolution. SQL Query: Jul 20, 2014 · The uniqueness constraint is created with postgresql and dubbed "reports_uniqueness_index". @svenklemm Hi!. Also, unless the thrown exception is a RuntimeException or some other type of Thorowable other than Exception, then your try-catch block should be capturing it. Asking for help, clarification, or responding to other answers. The strange thing is that it worked fine for some time (a day or two) before getting into this state. AUTO) @Type(type = "pg-uuid") private UUID id; @Column(unique = true) Dec 7, 2022 · Out of nowhere, I started getting this error, I'm on 14. – user330315. Employee (id, name) VALUES(nextval('employee_id_seq', 'another_name') The SQL above will use the last_value from the sequence and add 1, resulting in 3 and a duplicate key violation. setID(null); pessoaFisica. It makes an unique constraint to fail, consequently query fails and row is NOT added to the table. FROM pg_constraint co. From what I read is something about Postgres Dec 4, 2020 · I'm having trouble catching an exception with quarkus+panache repository. However, our UPDATE query does not affect the primary key. conname as constraint_name, pg_catalog. txt') already exists. The code is adding entities in a loop to a List and then trying to add them to the database using AddRangeAsync . So if you add a record manually you don't need set the id manually, you can run. Muhammad Saleem. postgres => INSERT INTO blog. ID uint64 `gorm:"primaryKey;autoIncrement" json:"id"` //Change it. So in post. Try to use get_or_create():. SaveChanges() with a duplicate set of data, an exception is thrown but it is a fairly standard InvalidOperationException, and it's Mar 9, 2022 · id int PRIMARY KEY, name varchar(20) ); CREATE TABLE. According to other questions ( here and here) it's possible to catch unique key violations in Entity Framework 6 by catching the thrown exception and inspecting it's InnerException. And here on how to convert your column to an identity column. Apr 4, 2016 · Caused by: org. With this you can simply leave the id field empty and at insert time an unique id will be assigned to the entity. Having two of those does nothing useful. PostgreSQLでINSERT時に自動採番の主キーが重複してエラーが出る場合の対処法 で紹介されている方法で解決した。 Jun 18, 2021 · or (not sure how TypeORM handles it exactly) INSERT INTO public. To resolve the issue, you need to set your users_id_seq sequence value to the MAX(id) of your existing users. But, a fast hack to load something is to use distinct on rather than distinct: SELECT ORA-00001 occurs when: "a query tries to insert a "duplicate" row in a table". items(): country_id_field = key country_name = value one_country, created = Country. Some of the solutions proposed talks about sequence, but i am not using any Jan 6, 2024 · Solution 1: Use ON CONFLICT Clause. – Scratte. DETAIL: Key (id)= (91) already exists. ---> Npgsql. Where my_obj_pk is a primary key of a table mapped to Spring entity and based on id : @Entity @Table(name = "MY_TABLE") @SequenceGenerator(name = "MY_OBJ_SEQ", allocationSize = 500) public class MyObject { @Id @GeneratedValue(generator = "MY_OBJ_SEQ Apr 30, 2021 · 1. Expected Behavior I currently have a simple case : await this. 1. Yeah, I did dump and restore the database. My Postgres database does in fact have a myapp_mymodel object with the primary key of 1. The app worked fine until Spring WebFlux was integrated for a single endpoint (downloading large data using WebClient and streaming the data buffers into the response). We ran into a unique situation where one of the user came back saying that they are running into following error: postgresql duplicate key violates unique constraint Jan 6, 2024 · Solution 1: Use ON CONFLICT Clause. It will delete the mentioned constraints in your "maas_admin" table. How is there duplicate user records? In your table favourite_videos the primary key is favourite_id. Dec 15, 2019 · You can avoid the whole overhead of managing entity id by simply annotating the field Student. e movie_num=20 Change Movie Die Another Day with movie_num =20 to 24-- DROP'ping tables clear out any existing data DROP TABLE IF EXISTS movies; DROP TABLE IF EXISTS actors; -- CREATE the table, note that id has to be unique, and you must have a name CREATE TABLE actors( id INTEGER PRIMARY KEY, name VARCHAR(20) NOT NULL ); INSERT INTO 3. Write an INSERT statement including an ON CONFLICT clause Oct 19, 2019 · If a column has a UNIQUE constraint, no two table rows are allowed to have the same value in that column (unless it is the NULL value). The table looks like That attempted insert violated the unique constraint of the primary key. save() <- no need to Apr 27, 2022 · Postgres Unique violation: 7 ERROR: duplicate key value violates unique constraint "channels_pkey" DETAIL: Key (id)=(3) already exists Ask Question Asked 2 years, 1 month ago Jul 31, 2017 · Inserted new constraint: ALTER TABLE tableA ADD CONSTRAINT constraint UNIQUE (col1, col2); Now get: ERROR: duplicate key value violates unique constraint "constraint". 2') Oct 11, 2023 · So when I send the creation request with "email: null", I have the 500 with the message " ERROR [ExceptionsHandler] null value in column "email" of relation "users" violates not-null constraint" At the same time if I send the existing email there, I have another 500: ERROR [ExceptionsHandler] duplicate key value violates unique constraint Unique violation: 7 ERROR: duplicate key value violates unique constraint "TableName_pkey"↵DETAIL: Key (id)=(33) already exists. The easiest way to pin point the cause of constraint violation, is to define the name of the constraint properly in the first place:. Other users then can see that and other categories. Feb 24, 2020 · SQLSTATE [23505]: Unique violation: 7 ERROR: duplicate key value violates unique constraint "lkp_locations_pkey"↵DETAIL: Key (id)= (1) already exists. If B already exists in DB, then an exception "duplicate key value violates unique constraint "b_name_key" will be thrown. jm rd hq qv rw tf lb ny ip lq