Postgresql duplicate primary key error code. addressees. If your intention is to "flip" the 1's and 0's you could try removing the uniqueness, doing the update with SET internal_state = 1 - internal_state, then add back the uniqueness (assuming Aug 2, 2016 · From what I deduce, it seems that I attempt to insert into my postgresql database a new row, with a new primary key combination. 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). Psycopg2 complains that a certain primary key already exists even though it clearly doesn't. This means that the constraint is checked immediately for each row updated. If we know that no two people could have the same PersonId and VoucherCode combined, then we could use those two columns as the primary key. 5 and implemented your code but strangely the same issue occurs under Postgres: the primary key's serial field is not consecutive (there are Dec 5, 2019 · "sync_pkey" PRIMARY KEY, btree (source, natural_key) Publications: "debezium" This table is modified via triggers that fire off when a COPY command inserts many rows into another table. Rename the immediate table to the name of the source table. 1) Firstly you need to make sure there is a primary key for your table. Since the id column is auto-generated, it shouldn't be possible to attempt to insert the same value twice? Feb 8, 2024 · Note. postgresql import insert from sqlalchemy import table May 27, 2015 · Re: duplicate key value violates unique constraint "pg_class_relname_nsp_index" at 2015-05-27 08:57:14 from Albe Laurenz Re: duplicate key value violates unique constraint "pg_class_relname_nsp_index" at 2015-05-27 13:05:57 from Melvin Davidson Browse pgsql-general by date Oct 21, 2023 · I've already found this question postgresql duplicate key violates unique constraint where it says that happens due the sequence is outdated and the solution is to set the next value of the sequence to the next MAX value of the primary key plus one, but since I declare the primary key as an IDENTITY I'm not able to use the answer of that Sep 30, 2022 · PostgreSQL: ERROR: duplicate key value violates unique constraint Hot Network Questions Confused by formatting requirements of a journal Mar 6, 2022 · The code you display is not related to "reindexing". This effectively means that the condition is ignored. PostgreSQL version: 9. Specifically when you call the Entity<>. . idtime, olap. Apr 20, 2024 · There is no migration_unique_version in the SQL you posted. (This condition is not an error, but you might be interested in handling it specially. Also keep the data type of the primary key in bigint or smallint. time. Then connect the vCenter Database. You can set the next value for any sequence using the setval(<seqname>, <next_value>) function. My Postgres database does in fact have a myapp_mymodel object with the primary key of 1. insert into car values(4, 'Toyota Supra') on conflict do nothing; 你甚至可以使用 NOT EXISTS 子句，但这个简单的语句可以正常工作。. 3 Sequences -> table-> Properties -> Definition and edit field Current value. yet when I SELECT filtering with the same email, there are no records. The primary key is used in the query, but it’s ignored when comparing duplicates (due to the fact that primary keys prevent duplicate rows by definition). Provide details and share your research! But avoid …. Re: Corruption with duplicate primary key at 2019-12-09 17:05:39 from Finnerty, Jim Re: Corruption with duplicate primary key at 2019-12-11 23:46:40 from Alex Adriaanse Browse pgsql-hackers by date May 18, 2021 · However this update fails with duplicate key value violates unique constraint because for Bob there already is a row with the key ("Bob", "bar"). Jun 8, 2022 at 21:33. Jul 29, 2009 · Hi, I've got a problem with a PG client that I'm not sure how to fix. For example I use pgAdmin4. Feb 4, 2003 · ----- Original Message ----- From: "Support" <support(at)insyde(dot)com(dot)br> To: "Support" <support(at)insyde(dot)com(dot)br> Sent: Tuesday, February 04, 2003 4:41 PM This means that a duplicate value is being inserted into a column that has been designated as a primary key. The other approach is to use a subquery or join to filter the table against the list of known duplicate keys. 419 1 11 31. GROUP BY account. 5) application running in the same machine. This will almost always result in Duplicate key violations, and sometimes Deadlocks. Mar 7, 2006 · PostgreSQL version: 7. As mentioned before, I run the code below to get the SQL command to reset the id-s: Aug 7, 2021 · PostgreSQL: ERROR: duplicate key value violates unique constraint Load 7 more related questions Show fewer related questions 0 It happens. Also please note that I cannot change from MyISAM to Aug 17, 2016 · See the inner exception for details. The code is unencumbered by checks for existing values. Jul 22, 2022 · ERROR: duplicate key value violates unique constraint "ix_patient_email". Mar 2, 2024 · A composite primary key is a primary key that consists of multiple columns. WHERE iRecipientId = 13250626. Jul 13, 2021 at 7:06. Jan 6, 2024 · Duplicate key violations occur in PostgreSQL when an INSERT or UPDATE operation attempts to insert or modify a record that would violate a unique constraint, commonly due to a primary key or unique index. The rule mechanism is the closest thing I could find in PostgreSQL to MySQL's INSERT IGNORE or ON DUPLICATE KEY UPDATE. It uniquely identifies each row in a database table and ensures that the column (s) designated as a PRIMARY KEY contains unique, non-NULL values. HAVING COUNT(*) > 1. GOTO label. Hasdata() method in the OnModelCreating() method if you generate primary key values that start from 1, when you next attempt to insert values into the database with ef-core it will attempt to re-use those values, the workaround is to call those May 6, 2005 · composite keys (where the key is a combination of two columns). name, c. date which have different values for price. You obviously created app_id as integer, not as a varchar as you claim to have done. 5 solution as you described above because I was experiencing gaps in the auto increment field while under MySQL's ON DUPLICATE KEY UPDATE. SELECT pk_field_1, pk_field_2, count(*) FROM the_table. You cannot use the unique index you created with the ON CONFLICT clause, because you can only use unique constraints there. When identifying and fixing the dupes you cannot use the primary key. Problem is, id 108 DOESN'T exist. ERROR: duplicate key value violates unique constraint "encounter_id_pkey" DETAIL: Key (encounter_id)=(9012235) already exists. (In this particular situation, the user does not care about errors from inserting duplicates -- the insertion should "just work". 6 PostgreSQL 9. fact) matching to 2 or more records from public. May 27, 2019 · I have an entire function that executes a certain insert query. When we look at the above table, we can see that there’s a VoucherCode column. SET iRecipientId = 13251076. FROM basket; A PRIMARY KEY constraint is one of the most essential elements in relational database management. Name' for key 'PRIMARY' I really don't understand it. which suggests that Postgres is expecting a value for id. Jan 10, 2024 · PostgreSQL version: 16. Just check what is the latest primary key for that table and then go to your DB -> Schemas -> 1. How do you raise en exception? When the return value is false. DETAIL: Key (email)=(***) already exists. vpx_guest_disk where vm_id= and path='/tmp';For example: select FROM vc. Reindexing was very quick, but I only have 5000 records. Environment Details: OS: Win server 2008 r2 64 bit. 5 PostgreSQL 9. Oct 30, 2012 · #1062 - Duplicate entry '2-S. orders. Null values are not considered equal. Here you have two Tivoli1 abbreviations. Table "public. unique. I've tried to vacuum the table, recreate the primary key, recreate the table, and even recreated the database and remigrated data to it. (Compare: REINDEX ). Alternative try to find the record (s) using a different field that has a different index. databases. idaddressee, and olap. Well, i found reason and solution. 2. Then I created another table 'link_copy' with same structure as 'link' CREATE TABLE link ( id select PRIMARY KEY, url VARCHAR(255) NOT NULL, name VARCHAR(255) NOT NULL); CREATE TABLE link_copy (LIKE link); I copied a row from 'link' to 'link_copy' that had 'id' = 2. Adriaan Stander. COPY FROM (to a temporary table). Disable the index (google it) or force using a different column. The following illustrates the steps for removing duplicate rows from the basket table: -- step 1 CREATE TABLE basket_temp ( LIKE basket); -- step 2 INSERT INTO basket_temp(fruit, id) SELECT DISTINCT ON (fruit) fruit, id. 4 Services 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. cursor() for item in items: try: cursor. The primary key is on the first two columns (both of them), so the row I am trying to insert HAS a unique primary key, doesn't it? I tried to repair the table, I tried to optimize the table, all to no avail. Oct 2, 2014 · Here is the SQL code that creates the table: (100) NULL, \ `google_email` VARCHAR(100) NULL, \ PRIMARY KEY (`id`), \ UNIQUE INDEX `id_UNIQUE` (`id` ASC), \ UNIQUE Jul 11, 2011 · I mis-read your code; I would start with a simpler re-write like this: UPDATE backfeed_state SET internal_state = internal_state - 1 WHERE internal_state = 1. e. vpx_guest_disk where vm_id=' 976' and path='/tmp'; 4. Aug 11, 2014 · The following bug has been logged on the website: Bug reference: 11141. 你可以使用 UPDATE 调用，但将其与以下 INSERT 语句结合使用。. We can determine the sequence name with pg_get_serial_sequence(). There is only the above index and the following constraint in tableName: CONSTRAINT tableName_key PRIMARY KEY (short_form) And OIDS is false if that makes a difference, and I don't think there is table inheritance. If you see anything in the documentation that is not correct, does not match your experience with the particular feature or requires further clarification, please use this form to report a documentation issue. They can cause wasted disk storage, high transaction ID usage and unnecessary Autovacuum work. Why the database still use the id which is already taken? postgresql. Jul 15, 2020 · How is it possible to get the following error: org. ), and can directly run a SELECT statement skipping 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. – Eric McKeeth. postgresql. Calling create results in. Here's my schema for the problem table (it should be using the implicit auto-increment id column): Jun 18, 2009 · Yes, I'd have the same questions as well. It would make a lot more sense if you were to show us the table schemas, original query, and soem example data. @GeneratedValue(strategy=GenerationType. Admittedly I'm a little unclear of then nature of why you want to do these updates, but if you are updating records except those that already exist due to a PK constraint, then you can remove those from the update using an anti-join (not exists) clause: UPDATE NmsSubscription a. com/postgresql-tutorial/postgresql-identity-column/ Mar 9, 2022 · In this post, we showed you some of the issues that duplicate key violations can cause in a PostgreSQL database. Because it is corrupted it failed to prevent duplicate entries. I have downloaded Postgres 9. So there is no conflict if one of the values is NULL. Before you read this, please note I take no responsibility for data loss or corruption or any problems this causes!. Similar to Lauren, I have a statement at the end of the function EXCEPTION WHEN unique_violation then raise exception 'Value already exists in table'; Feb 3, 2016 · 1. And identify the guest disk entry using the following query: select FROM vc. Quick explanation. ) Jan 28, 2019 · As the documentation says:. Feb 8, 2024 · The specified action is called whenever an SQL statement retrieves or affects zero rows. name. Once you have confirmed that you have indeed duplicate records you need to delete one of them. GROUP BY c. 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. And yet it complains that I insert the same keys several times. That triggers the exceptions which causes the trigger to fail, and the commit to abandon. email. Aug 13, 2015 · SQL error: ERROR: could not create unique index "unique_product" DETAIL: Key (mastercode)=() is duplicated So i run a query to check for duplicated records and really found some duplicates: select * from product p where (select count(*) from product pp where pp. May 20, 2022 · Below are two options for removing duplicate rows from a table in PostgreSQL when those rows have a primary key or unique identifier column. upsert. Here's a test case that exhibits the behavior: create table a1 (a_id integer not null primary key) without oids; NOTICE: CREATE TABLE / PRIMARY KEY will create implicit index PostgreSQL 16 PostgreSQL 15 PostgreSQL 14 PostgreSQL 13 PostgreSQL 12 PostgreSQL 11 PostgreSQL 10 PostgreSQL 9. 1 Operating system: MacOS 13. This is the default. Comparison with ON DUPLICATE KEY UPDATE. 1 DB to RDS v10. Use FDW (like this example). AUTO) // automatically generated primary key. Long story, but it all makes sense now. Drop the source table. 2. But it freezes in ExecuteNonQuery. ) Adding code in this situation to explicitly test for duplicates imparts complications. If you turn on SQL logging, you should see what is happening, but chances are that you have not setup a connection pool for your sequence so that it can have its own transaction outside independent of your application transaction. May 20, 2015 · The below code should work for postgres and do nothing if there's a conflict with primary key "unique_code". SELECT 1 FROM r_u WHERE r_id = %s AND u_id = %s. Once all duplicates are gone, try to create a new unique index on your uuid When you add a primary key to a table, PostgreSQL creates a unique B-tree index on the column or a group of columns used to define the primary key. Step 1: Select database export method to custom: Step 2: Please make sure to check truncate table before insert in data creation options: Now you are able to import this database successfully. Postgres version 9. Jun 19, 2012 · I had an existing table in my "inventory" app and I wanted to add new records in Django admin and I got this error: Duplicate key value violates unique constraint "inventory_part_pkey" DETAIL: Key (part_id)=(1) already exists. Something like: CREATE TEMP TABLE tmp_table ON COMMIT DROP AS SELECT * FROM main_table WITH NO DATA; COPY tmp_table FROM 'full/file/name/here'; INSERT INTO main_table SELECT DISTINCT ON (PK_field) * FROM tmp_table ORDER BY (some_fields) May 17, 2021 · The primary key constraint was still not in effect here. I will throw en exception. Jun 8, 2022 · 1. The evidence (from error-log): Nov 25, 2015 · It sounds like the sequences used to do the primary key for each table are not on the correct value. 3 days ago · Note. Sep 24, 2007 · Primary key constraints are not deferred and are not deferrable (try: \x, then select * from pg_constraint where conname~'master_pkey'). Query: May 8, 2011 · WHERE c. Jul 2, 2003 · IGNORE_DUP_KEY Controls what happens when an attempt is made to insert a duplicate key value into a column that is part of a unique clustered index. 5. Note that to actually execute the function by itself you need to use SELECT, like this: SELECT setval(<seqname>, <next_value>) Disable the index or set bitmap index scan = 0 to force a sequential table scan. If IGNORE_DUP_KEY was specified for the index and an INSERT statement that creates a duplicate key is executed, SQL Server issues a warning message and ignores (does not insert) the duplicate row. ActiveRecord::RecordNotUnique (PG::Error: ERROR: duplicate key value violates unique constraint "answer_selections_pkey". For usage see the manual - specifically the conflict_action clause in the syntax diagram, and the explanatory text. This guide will provide you with an in-depth understanding of PRIMARY KEY constraints in PostgreSQL. Where Each user is linked to one Role. For example, when I run the rake task to update my twitter feed: PG::Error: ERROR: duplicate key value violates unique constraint "twitter_feeds_pkey" DETAIL: Key (id)=(3) already exists. Jan 20, 2014 · select col1, col2, from temp1 where not exists (select * from temp1 where tabl1. Why would Postgres attempt to use that primary key again? Jun 24, 2013 · PostgreSQL 9. The duplicate you get relates to one of the records in your SELECT DISTINCT CREATE TABLE films ( code char(5), title varchar(40), did integer, date_prod date, kind varchar(10), len interval hour to minute, CONSTRAINT code_title PRIMARY KEY(code,title) ); Define a primary key constraint for table distributors. CAUTION: Don't use this solution if you want to maintain existing records in your table. PSQLException: ERROR: duplicate key value violates unique constraint "devices_pkey" Detail: Key (id)=(253) already exists. 3 days ago · Submit correction. My table already has primary key value 1. 04. I insert items using psycopg2 in the following way: cursor = connection. If you want a combination of columns to be unique, you have to define a UNIQUE constraint over several columns: CREATE TABLE t (. Feb 8, 2015 · 1. Dec 11, 2014 · Primary keys that autoincrement (i. Dec 2, 2012 · import data into PostgreSQL database; The application is running successfully but the issue comes when trying to add new content to the database. Description: We have observed two rows with the same primary key in one of our production. 5 and newer support INSERT ON CONFLICT (key) DO UPDATE (and ON CONFLICT (key) DO NOTHING), i. But when I tried to create a new item, I got: ERROR: duplicate key value violates unique constraint "symbols_pkey" Detail: Key (symbol)=(c3) already exists. Sep 26, 2022 · 1. As a solution for your present problem, either delete the conflicting manually inserted rows or reset the sequence to a value higher than any existing id in the table. Problem. When you perform a single insert with the hardcoded id as 108, it performs it, however, when you try and loop it like this here, it doesn't. col1 = temp1. Weed out Primary-Key failures and import only valid data. If we google for "postgresql on duplicate key update" you find other folks recommending the Rule mechanism, even though a Rule would apply to any INSERT, not just on an ad hoc basis. Logged by: Gerd Behrmann. I thought it was a problem with my function code, but it appears to be rooted in updating keys in general. col1) Now I have many duplicates in the primary key column. It gets a sequence behind a serial column (or IDENTITY column in Postgres 10 or later) back in sync - by setting it to the maximum existing ID with setval() . postgresqltutorial. Jul 13, 2021 · Thomson Mathew. 3. Sep 7, 2023 · Unique violation: 7 ERROR: duplicate key value violates unique constraint. col1 type1, col2 type2, Feb 19, 2020 · Where headers are the keys, data is the data to be inserted, and cur is the cursor to the database. name = d. First, I ran an INSERT query and then several INSERT INTO ON CONFLICT DO UPDATE queries in parallel. Check the data that is being inserted:Using a SELECT statement, check the data that is being inserted into the table to identify any duplicate values. Email address: behrmann (at)ndgf (dot)org. There is also no data being inserted so no way to violate any unique constraints. I have tried to check with either 'where not y. Mar 4, 2014 · A better solution now might be to use GENERATED AS IDENTITY to allow PostgreSQL to assign the id while ensuring it's not ever assigned externally. 9 Operating system: Linux Description: Duplicate primary key Details: Ihave the following table (with 'id' as primary key: Toolbox2Test=# \d hierarchy. The following examples delete duplicate rows but Sorry I realise now my answer is misleading, the issue is not with postgres but with the npgsql nuget package. Try to add a new serial column. answered Sep 25, 2012 at 18:01. In autocommit mode must be used explicit locking in transaction: BEGIN; LOCK TABLE r_u IN SHARE ROW EXCLUSIVE MODE; INSERT INTO r_u(r_id, u_id) SELECT %s, %s WHERE NOT EXISTS (. Then I will deliberately insert another 1 as the primary key. idcustomer (which are going into the fields which comprise the primary key of olap. Apparently the id got defined as a I fixed it by making a group select with count (*) over the primary key columns with a where statement that forced a sequential table scan. Either remove the UNIQUE constraint or sanitize the data. See for example https://www. Asking for help, clarification, or responding to other answers. or you may replace above primary key column code with this. I checked for any abnormal stoppages of java Feb 23, 2016 · (IntegrityError) (1062, "Duplicate entry '123' for key 'PRIMARY'") So of course is the primary key I was inserting was something like Duplicate entry is a cool thing then I suppose I could miss IntegrityError's which weren't actually because of duplicate primary keys. Jul 10, 2009 · I have looked into PostgreSQL's 9. If app_id really is declared as varchar, your insert will work: dbfiddle. a in' as well as with 'where not exists' The code I use right now is the following: 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. execute( "INSERT INTO items (name, description) VALUES (%s, Nov 17, 2016 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Dec 19, 2012 · Use the same approach as you described, but DELETE (or group, or modify ) duplicate PK in the temp table before loading to the main table. Sep 18, 2017 · I created a table named 'link' in PostgreSQL database. Typically, you define primary for a table when creating it: column_1 data_type PRIMARY KEY, Sep 1, 2012 · INSERT INTO SomeOtherTable (account, DATE) SELECT account, MAX(date) FROM YourTable. edited Nov 18, 2016 at 6:11. Details: PostgreSQL SELECT primary key as "serial" or "bigserial" Jun 22, 2021 · So yesterday, when I received the duplicate key violations, it was because the SEQUENCE finally reached the ID values corresponding to the TRANSACTION_ITEM records that were added by still-running instance back when DB purge and migration occurred. ) action can be one of the following: CONTINUE #. You probably have the same combination of olap. Nov 7, 2015 · My Python application uses Psycopg2 to insert content from a web scraper to a PostgreSQL database. not a violation. mastercode) > 1 Feb 8, 2024 · Submit correction. Here’s how we can create such a primary key May 22, 2018 · where strQuery is the command text. Technically, a primary key constraint is the combination of a not-null constraint and a UNIQUE constraint. Identify the duplicates, delete/fix the dupes, then reindex the table. And clearly we also have to deal with properly merging the num_stock value of the two rows. 1 Description: I have a table with a primary key and a unique index. If you find anything in the previous two sentences confusing, take some time out to read some basic SQL tutorials. 4 Go to PostgreSQL 9. PostgreSQL does not support CHECK constraints that reference table data other than the new or updated row being checked. You can also edit every table sequence in PostgreSQL with DB management software. mastercode = p. Using Heroku Cedar stack and Rails 3. "xreference" varchar(50) DEFAULT '' NOT NULL, PRIMARY KEY ("id") ); Later some rows are inserted specifying the id: INSERT INTO "jos_content" VALUES (1,36,'About',) At a later point some records are inserted without id and they fail with the error: Error: duplicate key value violates unique constraint. The following two examples are equivalent, the first using the table constraint syntax, the second the column Dec 5, 2019 · Corruption with duplicate primary key at 2019-12-05 21:14:12 from Alex Adriaanse; Responses. Success will depend on the order in which postgresql decides to visit rows: if it visits all rows in descending order, you'll be fine Mar 25, 2018 · id serial primary key, name text, role integer references role (id), phonenumber text); When I try to insert data as follows: insert into person values ('This Person',2,'+15105551111'); I get this message: ERROR: invalid input syntax for integer: 'This Person'. , columns with data type serial primary key) are associated with a sequence. Jan 30, 2023 · 在 PostgreSQL 中使用顺序语句（不太推荐）实现 Upsert. Jun 7, 2021 · First, take a snapshot of the vCenter Server machine before proceeding. Foreign-Data-Wrappers is recommended for Live Feeds / very large data sets, since you don't need to create an temporary copy (for errors / skip columns / skip rows etc. Oct 31, 2018 · If you look your exception closely you will find this out Duplicate entry for key 'PRIMARY' , Which means try to insert duplicate value in primary key column (product_id) of table (Product). PostgresException: 23505: duplicate key value violates unique constraint Below are my entity models: Role and User. E. – user330315. IntegrityError: duplicate key value violates unique constraint "my_table_pkey" DETAIL: Key (id)=(12345) already exists. In PostgreSQL, I have found a few ways to ignore duplicate inserts. 3. (I used bigint, could not find a datatype called serial as mentioned in other answers elsewhere) 2)Then add a sequence by right clicking on sequence-> add new sequence . . Operating system: Ubuntu 14. Inserting: 0163168~9024065 ERROR: current transaction is aborted, commands ignored until end of transaction block Nov 26, 2015 · Assign to NEW by key in a Postgres trigger; Assuming (since it's not defined in the question) that people. Essentially, I have two processes connecting to a single PG database and simultaneously issuing the following statements: Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. util. The table looks like Sep 9, 2012 · Problem creating new records in postgres database. G. For INSERT's Postgres supports ON CONFLICT DO , but it looks like there is no equivalent for UPDATE. customers. hierarchy" Column | Type | Modifiers Oct 14, 2021 · I've even manually scanned all the UUIDs in the table and verified the UUID I'm trying to insert does not exist in the table, and yet nothing I do will get past the duplicate key. Hope this never happens ever again. I'd suggest you back up everything! But don't do pgdump, do a full filesystem backup. It is interesting that pg_dump did not include a sequence setval at the end of it (I believe it is supposed to). Are you sure you connected to the same database and/or schema for the create table and the subsequent query. Apr 17, 2022 · The best way to prevent such a situation is to define generated primary keys with GENERATED ALWAYS AS IDENTITY, so that it becomes more difficult to override the generated value. Here are two example duplicate rows: So I was trying this query and it throws the following error: ERROR: duplicate key value violates unique constraint "passport_pkey" DETAIL: Key (id)=(108) already exists. INSERT SELECT is not atomic. 4. ---> Npgsql. Used by a java (java 1. Jun 21, 2019 · You are using table generation, which requires a transaction to read and increment the values within the table. I've tried reindexing the column, the table and the whole database, but still get the same problem. This is on the next insert. This gave me all duplicates and I could delete them to finally reindex the primary key. Error: psycopg2. 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). id is a serial column with an attached sequence, you'll want the next value from the sequence. 如果没有重复，它将 插入 该行 Your primary key, organization_pkey, is on abbreviation. if I try to make simple insert to the Postgresql table? I made some insert via csv file to the table, and now I am not able to make simple insert into the table. uk/…. The downside of this is that you have to list all the columns you want to output twice, once in the SELECT and once in the GROUP BY clause. nn lj ro sf ht nz cm en sn df