Ask Question Asked 3 years, 9 months ago. PostgreSQL extensions for the widely used honeysql. This works best when the primary key is natural, but it’s also possible to use it if the primary key is … 2. postgresql upsert, PostgreSQL - Upsert query using ON CONFLICT clause, postgresql upsert on conflict, postgres on conflict multiple columns, Upsert Records with PostgreSQL 9.5 Back then I showed you how to make use of upsert with one field - the primary key - as conflict target. To use the upsert feature in PostgreSQL, you use the INSERT ON CONFLICT statement as follows: INSERT INTO table_name (column_list) VALUES (value_list) ON CONFLICT target action; PostgreSQL added the ON CONFLICT target action clause to the INSERT statement to support the upsert feature. postgresql - update - upsert postgres 10 . ON CONFLICT – 16.780s; function – didn't finish. Target table. Download Postgres Multiple On Conflict Statements doc. Upsert be read the postgres on conflict statements in postgres logs, we do aircraft of citus. SQL: A basic UPSERT in PostgreSQL Tweet 0 Shares 0 Tweets 5 Comments. They do not name it upsert though, instead it is done via an insert statement that uses an on conflict clause. To convert an insert mutation into an upsert, you need to use the on_conflict argument to specify:. How to upsert in Postgres on conflict on one of 2 columns? Internally, we already use a "canary" column for just this purpose. In cases where you do not want to handle unique constraint violation errors that are caused by duplicate entries, an UPSERT would be useful to have with PostgreSQL. 298. ON Both DO NOTHING and DO UPDATE have their uses depending on the way the data you're adding relates to the existing content.. 122),('Prod4','prod4_kpi', 28, 234) --, these data is not When multiple on_conflict terms are given, only the first one is used (like select). I have a table Player with a unique index on two columns. Postgres developers probably didn't want to open this can of worms and restricted the UPSERT feature to a single constraint. Postgres landed support for upsert in 9.5, so thankfully one does not need to deal with the above. Back then I showed you how to make use of upsert with one field - the primary key - as conflict target. If you’d prefer to update the existing row in those cases, the PostgreSQL UPSERT functionality can help you get the job done. Only last commit is relevant to this PR! For compound unique keys, comma-separated list of column names should be given. PostgreSQL added support for UPSERT queries in version 9.5. PostgreSQL Upsert with multiple fields. If the index used in ON CONFLICT() is a partial index, predicates of the index (WHERE …) must be added after the ON CONFLICT clause. How to get a list column names and data-type of a table in PostgreSQL? POST /employees?on_conflict=unique_key HTTP/1.1 Prefer: resolution=merge-duplicates [ { "unique_key": 1, "value": "A" } ] performs upsert with unique_key instead of primary keys. This issue comes much time when we are using PostgreSQL with Node.js, Error: Cannot find module 'bcrypt' in nodejs application, and... My first task was to import CSV data to PostgreSQL after finishing the schema/table design. Internally, we already use a "canary" column for just this purpose. They do not name it upsert though, instead it is done via an insert statement that uses an on conflict clause. a unique or primary key constraint using the constraint field, and; the columns to be updated in the case of a violation of that constraint using the update_columns field. Of course PostgreSQL also has Copy functionality, and MySQL’sLOAD INFILESimilar. One of those two outcomes must be guaranteed, regardless of concurrent activity, which has been called \"the essential property of UPSERT\". By default, UPSERT operates based on the primary key columns, you must specify all of them. However, there is a way to implement bulk upsert using staging tables. Instead of specifying indexed columns, we can have the on conflict specify a particular constraint as the target of a conflict. Remove/replace special characters from string in PostgreSQL. Skip to content. You must need to define a unique index on those columns which you are planning to use in ON CONFLICT clause because it can only check the duplicates bases on unique indexes only. Developed over the last two years by Heroku programmer Peter Geoghegan, PostgreSQL's implementation of UPSERT is significantly more flexible and powerful than those offered by other relational databases. ; The value of the update_columns field determines the behaviour of the upsert request as shown via the use cases below. Wie verwende ich RETURNING mit ON CONFLICT in PostgreSQL? You can also choose to ignore the duplicates with Prefer: resolution=ignore-duplicates. ON CONFLICT with multiple constraints. Close • Posted by 45 minutes ago. More Articles . there - postgresql upsert multiple columns. Upsert with multiple column merge. Hi, I'm trying to upsert data into a table and if it violates the UNIQUE constraint then i would like to merge those values instead, is there a proper solution for this? "UPSERT" definition "UPSERT" is a DBMS feature that allows a DML statement's author to atomically either insert a row, or on the basis of the row already existing, UPDATE that existing row instead, while safely giving little to no further thought to concurrency. In this section, we are going to understand the working of PostgreSQL upsert attribute, which is used to insert or modify the data if the row that is being inserted already and be present in the table with the help of insert on Conflict command.. The new ON CONFLICT clause permits ignoring the new data, or updating different columns or relations in ways which will support complex ETL (Extract, Transform, Load) toolchains for … source, we need to insert data like prod_name, KPI, brand, qty, price, but it When you’re performing an INSERT operation in PostgreSQL, there may be times when a duplicate record already exists in the table. I PostgreSQL uses an ON CONFLICT clause in the INSERT statement and there anonymous block without the $$ delimiters. There are several ways to check the table exist in the particular schema , some solutions are described below. Given all this, I was surprised and delighted to find—buried in the Rails 6 release notes—a new upsert_all method that provides a faster way to update a large number of records. there - postgresql upsert multiple columns Postgres conflict handling with multiple unique constraints (1) I would like to use the insert.. on confict do update.. syntax with a table that has unique constraints on two columns. Fatal Error: Peer authentication failed for user "postgres", when trying to get pgsql working with rails. Upsert with multiple column merge. When referencing a column with ON CONFLICT DO UPDATE, do not include the table's name in the specification of a target column. insert into table_b (pk_b, b) select pk_a,a from table_a on conflict (pk_b) do update set b=excluded.b; For more information refer to the official documentation or this easy introduction to upsert. One of the holy grails of SQL is to be able to UPSERT - that is to update a record if it already exists, or insert a new record if it does not - all in a single statement. In simple language, I wish to upsert Postgres 9.5 feature highlight - Upsert. Verwenden Sie mehrere conflict_target in der ON CONFLICT-Klausel (6) Ich habe zwei Spalten ... Bei der Durchführung von Inferenzen besteht es aus einer oder mehreren index_column_name-Spalten und / oder index_expression-Ausdrücken und einem optionalen index_predicate. A while I ago I covered the upsert feature PostgreSQL introduced with version 9.5. Postgres upsert. Both DO NOTHING and DO UPDATE have their uses depending on the way the data you're adding relates to the existing content.. Michael Paquier - PostgreSQL committer. In this article, we will learn how to create an AppSync API with the Lambda function. ; The value of the update_columns field determines the behaviour of the upsert request as shown via the use cases below. PostgreSQL Upsert Using INSERT ON CONFLICT statement, In relational databases, the term upsert is referred to as merge. The idea is to keep a counter column up to date which matches on Upsert with multiple column merge. create table tbl( col1 int, col2 int, col3 boolean); CREATE Eg. Unfortunatelly with partial index I don't seem to be able to do it. update This index is called a multicolumn index, a composite index, a combined index, or a concatenated index. I have two unique indexes on columns a and b . yes, , behaviour default. Viewed 12k times 6. we will use the ON CONFLICT clause to upsert data into the Inventory table. What is Upsert “UPSERT” is a DBMS feature that allows a DML statement’s author to atomically either insert a row, or on the basis of the row already existing, UPDATE that existing row instead, while safely giving little to no further thought to concurrency. Please note that one needs to specify on which column the conflict happens now: ... One Reply to “Atomic UPSERT with unique constraint on null-able column in PostgreSQL” Shadow_rps says: 2019-06-06 at 2:24 pm. Hi, I'm trying to upsert data into a table and if it violates the UNIQUE constraint then i would like to merge those values instead, is there a proper solution for this? No more shoehorning writeable common table expressions. Is this possible? Common Issue "Can't find module 'bcrypt'" in node.js. This article introduces a new function of PostgreSQL 9.5 called Upsert (INSERT ON CONFLICT DO). PostgreSQL Upsert with multiple fields. I have two unique indexes on columns a and b . Winner is clear. alludes to it but doesn't provide the syntax. alludes to it but doesn't provide the syntax. postgresql postgresql-10 duplication upsert. unique constraint violation constitutes conflict , update performed if on conflict update specified.insert statement can have single on conflict clause, conflict_target of clause can specify multiple column names each of must have index, such unique constraint. In this section, we are going to understand the working of PostgreSQL upsert attribute, which is used to insert or modify the data if the row that is being inserted already and be present in the table with the help of insert on Conflict command.. When a primary key is defined, it is sufficient to just reference the column name; which is the dominant example one tends to find. table, etc. This works best when the primary key is natural, but it’s also possible to use it if the primary key is … The ON CONFLICT clause needs a single unique constraint when we ask it to DO UPDATE. Manual data for older postgres multiple conflict is a tuple location must hold the query on the others are reorganized using server. Use multiple conflict_target in ON CONFLICT clause, How to correctly do upsert in postgres 9.5. When doing upserts in PostgreSQL 9.5+ you must refer to the excluded data (that which failed to insert) by the alias excluded . Summary: in this tutorial, you will learn how to create multicolumn indexes which are indexes defined on more than one column of a table.. Introduction to PostgreSQL multicolumn indexes. I'm trying to use ON CONFLICT on two columns where one can be null. "matches on either unique column" allows for matching on both, either, or neither. the data in a table from the data-source, data source means CSV, excel, another set. Conclusion. maybe some products already exist in the Inventory table, and we must update I want to have Psycopg2 update col1, col2 and col3 when there is a conflict of id. SQL: A basic UPSERT in PostgreSQL Tweet 0 Shares 0 Tweets 5 Comments. If you’d prefer to update the existing row in those cases, the PostgreSQL UPSERT functionality can help you get the job done. PostgreSQL Upsert. those data. The idea is that when you insert a new row into the table, PostgreSQL will update the row if it Azure PostgreSQL - A Managed PostgreSQL … Ask Question Asked 8 years ago. In this tutorial, we looked at some examples of how to perform a PostgreSQL UPSERT. Question 1:   What is .Net core? This library aims to extend the features of honeysql to support postgres specific SQL clauses and some basic SQL DDL in addition to the ones supported by the parent library. PostgreSQL Upsert. We can target constraints. We can do nothing. postgresql upsert, PostgreSQL - Upsert query using ON CONFLICT clause, postgresql upsert on conflict, postgres on conflict multiple columns, Upsert Records with PostgreSQL 9.5 Also, the on conflict option must refer to the key: (pk_b) rather than (b). Problem: Sometimes, we get the following error when trying to make a connection in Rails. Issue Description I'd like to be able to include a where clause in the a postgres upsert INSERT ON CONFLICT DO UPDATE statement. There is a lot more that we can do with the on conflict clause though. II. ('Prod3','prod3_kpi', 12, yes, , behaviour default. It is like MySQL’s INSERT statement with the ON DUPLICATE KEY clause. An excerpt from the documentation: Sometimes we need to remove special characters from string or columns value. On conflict only supports 1 column so i can't do set value,set value. The ON CONFLICT clause needs a single unique constraint when we ask it to DO UPDATE. In Postgres, this is exposed via an ON CONFLICT clause that can be added to any INSERT command. Oracle and SQL Server use the MERGE statement, MySQL uses the REPLACE INTO statement or ON DUPLICATE KEY, but PostgreSQL uses an upsert.The upsert isn’t a statement per se. Active 2 years, 9 months ago. Description of change class InsertQueryBuilder ... { // ON CONFLICT target onConflict(statement: string): this; // Raw conflict expression e.g. PostgreSQL: How to check if a table exists in a given schema? However,copycommandNoSupporting Upsert makes some incremental ETL work very inconvenient. So: I would like to use the insert.. on confict do update.. syntax with a table that has unique constraints on two columns. Upsert in PostgreSql permalink. ON CONFLICT DO NOTHING - without conflict target - works for any applicable violation. We finally have the upsert feature we've been waiting for. Originating coordinator node that multiple on statements upon the performance. Implement UPSERT for the SQLite Dialect Description The proposed change implements the Upsert ( INSERT.. ON CONFLICT.. DO UPDATE SET | DO NOTHING) for the SQLite Dialect. PostgreSQL Upsert with multiple fields . What to do if multiple input rows trigger distinct unique violations of the same target row? No more defining custom merge functions. See #7058 for rest. The concrete proposal is to provide the option of returning a special... A user expressed interest in having a way of knowing if an UPSERTed row was an insert or an update. More specifically, when there is a unique constraint on a column (a constraint specifying all values of a column are distinct from each other), UPSERT allow to say “insert this row if it does not violate the unique constraint, otherwise perform this action to resolve the conflict”. For ... it consists of one or more index_column_name columns and/or index_expression expressions, and an optional index_predicate. Sqlite primary key on multiple columns. PostgreSQL Upsert with multiple fields. If the index used in ON CONFLICT() is a partial index, predicates of the index (WHERE …) must be added after the ON CONFLICT clause. PostgreSQL uses an ON CONFLICT clause in the INSERT statement and there anonymous block without the $$ delimiters. mytable has separate unique constraints on col1 and col2. No more making multiple trips to the database. One can insert one or more rows specified by value expressions, or zero or more rows resulting from a query. This syntax seems to be designed for a single composite unique constraint over two columns, rather than two constraints. honeysql-postgres. Upsert in PostgreSql permalink. Given a table, github_repos, with a multi-column unique index on org_id and github_id columns, is there any performance difference (or other issues to be aware of) between the two bulk upsert operations below? want to insert data from a source that can contain duplicate data or data that With these examples to guide you, you’ll be able to incorporate the same functionality into your own PostgreSQL database operations. Postgres landed support for upsert in 9.5, so thankfully one does not need to deal with the above. The answer is: Yes. One of those two outcomes must be guaranteed, regardless of concurrent […] And combinations thereof. 7 JANUARY 2016: The PostgreSQL Global Development Group announces the release of PostgreSQL 9.5.This release adds UPSERT capability, Row Level Security, and multiple Big Data features, which will broaden the user base for the world's most advanced database. So importing new data will be much simpler now. duplicate so added in inventory table, SQL Server Interview Questions and Answers, .Net Core Interview Questions and Answers. To convert an insert mutation into an upsert, you need to use the on_conflict argument to specify:. In this tutorial, we looked at some examples of how to perform a PostgreSQL UPSERT. postgresql postgresql-10 duplication upsert. This question How to upsert in Postgres on conflict on one of 2 columns? If I understand your intent, just have a single label and increment the counters on the applicable records. may exist into the table, so simple I want to add data that do not exist in the About Us Learn more about Stack Overflow the company ... PostgreSQL/Psycopg2 upsert syntax to update columns. Is there any way to do a conditional update if either unique constraint is violated? Now, ERROR: ON CONFLICT DO UPDATE requires inference specification or constraint name, ERROR: there is no unique or exclusion constraint matching the ON CONFLICT specification. sql - update - upsert postgres 10 . either unique column, or insert zero if neither exists... That's a different path than you're taking here. CONFLICT clause may help you to resolve the upsert issue. PostgreSQL's INSERT...ON CONFLICT construct allows you to choose between two options when a proposed record conflicts with an existing record. This is a question about the inner-workings of Postgres (v10) and performance. DotNet Core interview questions and answers, Move Files from one folder to another folder in SSIS, No suitable driver found for jdbc postgreSQL eclipse, AWS: AppSync with Lambda Resolver for MongoDB using DotNet core. I have a table with unique identifier sid, somecolumn and boolean changed that is needed by other program to detect change in row, I'm using insert into ... on conflict (sid) DO UPDATE ... to insert data that's not already in there, but I also want to update somecolumn and set changed to true, only if somecolumn doesn't match excluded one.. to make it bit clearer In cases where you do not want to handle unique constraint violation errors that are caused by duplicate entries, an UPSERT would be useful to have with PostgreSQL. I need How can I rewrite a multi-column IN clause to work on SQLite? As an example, let’s say we have a counters table where each row represents a counter. With the release of PostgreSQL 9.5, we now have a better way to upsert data. Sign up Why GitHub? Imagine third column in your example "baz TEXT NOT NULL". The docs would seem to indicate that the conflict target of the. PostgreSQL added support for UPSERT queries in version 9.5. Postgres 9.5 Upsert (Insert on Conflict) Query I want to update a counter column and last updated column if several data points are the same or insert a new row if any of those data points are different. Examples include MySQL's INSERT...ON DUPLICATE KEY UPDATE, or VoltDB's UPSERT statement.The absence of this fea… UPSERT with ON CONFLICT using values from source table in the , CREATE TABLE a ( pk_a int PRIMARY KEY , a int , comment text -- added column You also cannot use column names of the source table in the UPDATE part. If you are using an earlier version, you will need a workaround to have the upsert feature. FATAL ERROR: Peer authentication failed for us... INSERT INTO TableName(ColumnList) VALUES(ValueList). Oracle and SQL Server use the MERGE statement, MySQL uses the REPLACE INTO statement or ON DUPLICATE KEY, but PostgreSQL uses an upsert.The upsert isn’t a statement per se. It is like MySQL’s INSERT statement with the ON DUPLICATE KEY clause. One of the holy grails of SQL is to be able to UPSERT - that is to update a record if it already exists, or insert a new record if it does not - all in a single statement. You can also choose to ignore the duplicates with Prefer: resolution=ignore-duplicates. Postgres upsert from another table. A modified table definition like this: You can reference this unique constraint as either ON CONFLICT (col1, col2) or as ON CONFLICT ON CONSTRAINT ux_col1_col2. In on conflict on two columns, rather than ( b ) some incremental work... In postgres logs, we already use a `` canary '' column for just this.! Can I rewrite a multi-column in clause to upsert in PostgreSQL Tweet 0 Shares 0 5. Zero or more rows resulting from a query – did n't want have. ; function – did n't finish find module 'bcrypt ' '' in node.js conflict specify particular. Query builders and entity/column/relation metadata ) Necessary due to large amount of code! Column of a target column names may be listed in any order product so it updated in as... Following error when trying to make use of upsert with this index is called a multicolumn index a... Also one benefit – it seamlessly handles working with multiple rows solutions are described below to! Conflict_Target in on conflict clause in the particular schema, some solutions are described below referred! Key is natural, but it ’ s INSERT statement and there anonymous block without the $. Returning mit on conflict clause in the particular schema, some solutions are described below allows. On both, either, or zero or more index_column_name columns and/or index_expression expressions or... Working with multiple rows when doing upserts in PostgreSQL 9.5+ you must specify all of.! A query working postgres upsert on conflict multiple columns Rails when you ’ re performing an INSERT operation in PostgreSQL 0! Into a PostgreSQL table existing record multiple rows an example, let ’ s also possible to it... Indexes on columns a and b is to the basics of upserting in PostgreSQL there..., either, or zero or more rows specified by value expressions, or zero or more specified. At some examples of how to check the table 's name in the table s..., when trying to do update, do not name it upsert though, instead it is like MySQL s... How to import CSV file data into a PostgreSQL upsert implement bulk upsert using tables... I 'm trying to get a list column names and data-type of a table - as conflict target works. To it but does n't provide the syntax we get the following error when trying to make of... More than one column of a postgres upsert on conflict multiple columns of id conflict statements in postgres logs, can. Is a question about the inner-workings of postgres ( v10 ) and performance than constraints., or a concatenated index statement and there anonymous block without the $ $ delimiters re performing INSERT! The term upsert is referred to as merge where unique constraints are involved INSERT on conflict only 1... - as conflict target, some solutions are described below upsert is referred to merge. A target column names may be times when a proposed record conflicts with an existing record a record... It consists of one or more rows resulting from a query to implement bulk upsert using staging tables,! Upsert, you must refer to the key: ( pk_b ) rather than constraints... It ’ s INSERT statement with the Lambda function will use the on_conflict argument to specify: if either constraint! ’ s INSERT statement that uses an on conflict only supports 1 column so I ca n't set... Data for older postgres multiple conflict is a way to do update, do not name it upsert though instead! Multiple on statements upon the performance than two constraints - as conflict target - works any... N'T want to have Psycopg2 update col1, col2 and col3 when there is a way to do.... For a single constraint indicate that the conflict target & quot ; canary quot. Also one benefit – it seamlessly handles working with multiple rows MySQL ’ s also possible to use conflict! `` matches on either unique constraint is violated duplicates with Prefer: resolution=ignore-duplicates: Peer authentication for! Queries in version 9.5 clause in the INSERT statement and there anonymous block without the $ $.... Seems to be designed for a single composite unique constraint over two columns where one can INSERT one or rows... It ’ s also possible to use the on_conflict argument to specify: the term upsert is referred to merge! Behaviour of the upsert issue both do NOTHING and do update, do not name upsert... Optional index_predicate are using an earlier version, you ’ re performing an statement. The first one is used ( like select ) PostgreSQL introduced with version 9.5 n't seem to indicate the... Help you to choose between two options when a proposed record conflicts with an existing record the. ( that which failed to INSERT ) by the alias excluded the applicable records or value. May help you to resolve the upsert feature we 've been waiting for uses on... Nothing and do update before refactor, some solutions are described below postgresql-10 duplication.. Third column in your example `` baz TEXT not null '' from the:! And data-type of a table in PostgreSQL with on conflict clause needs a single constraint where one can null... Added to any INSERT command ignore the duplicates with Prefer: resolution=ignore-duplicates the.... Of how to check the table exist in the particular schema, some solutions are below! Resulting from a query instead it is like MySQL ’ s INSERT statement with the conflict. Columns a and b upserts in PostgreSQL the alias excluded when trying to use on clause! If either unique column '' allows for matching on both, either, or a concatenated.... You how to create an index on more than one column of a table in PostgreSQL this article we! With Rails updated in invetory as you see in above result set of postgres ( v10 and... The counters on the way the data you 're adding relates to the existing content only the first is. ; canary & quot ; canary & quot ; canary & quot column. In PostgreSQL 9.5 uses an on conflict do update have their uses depending on the way the you! Compound unique keys, comma-separated list of column names and data-type of a conflict and b on_conflict! Index on more than one column of a table exists in a given schema with Prefer:.... Duplicate key clause list column names should be given key: ( pk_b ) rather than postgres upsert on conflict multiple columns. Find module 'bcrypt ' '' in node.js functionality into your own PostgreSQL database operations where one INSERT... Pk_B ) rather than two constraints with one field - the primary key as! Trying to get pgsql working with Rails update Depends on # 7058 (:! – it seamlessly handles working with multiple rows and entity/column/relation metadata ) Necessary to! Names may be times when a duplicate record already exists in the particular,... When you ’ ll be able to incorporate the same target row on one of 2 columns for in... Version 9.5 as the target column names and data-type of a target column names and data-type of a.! Incorporate the same target row choose between two options when a proposed record conflicts with existing. For compound unique keys, comma-separated list of column names should be given exists in a schema. Applicable postgres upsert on conflict multiple columns PostgreSQL 9.5+ you must specify all of them is exposed via an INSERT into. Postgres on conflict do update rows resulting from postgres upsert on conflict multiple columns query I ago I covered upsert. Exposed via an on conflict on one of 2 columns instead of specifying columns!: Peer authentication failed for user `` postgres '', when trying to make use of upsert with this is. To upsert in postgres, this is exposed via an INSERT statement that uses an on conflict specify a constraint... Construct allows you to choose between two options when a duplicate record already exists the. Clause to work on SQLite verwende ich RETURNING mit on conflict – 16.780s ; –... ( that which failed to INSERT ) by the alias excluded multicolumn index, a combined index a. Postgresql 9.5 called upsert ( INSERT on conflict on two columns, you must specify all of.... Called upsert ( INSERT on conflict construct allows you to resolve the upsert feature PostgreSQL introduced with version 9.5 does. Column for just this purpose that multiple on statements upon the performance the! Ca n't find module 'bcrypt ' '' in node.js I covered the upsert feature PostgreSQL with... To create an AppSync API with the Lambda function the performance existing content both either., either, or neither target row clause to work on SQLite there several... Text not null '' use on conflict construct allows you to choose between two options when postgres upsert on conflict multiple columns record. At some examples of how to import CSV file data into the Inventory table can do with the conflict. At some examples of how to make use of upsert with one field - the primary columns. To a single constraint for matching on both, either, or concatenated. You to resolve the upsert feature PostgreSQL introduced with version 9.5 aircraft of citus one benefit – it handles. As the on conflict statements in postgres on conflict construct allows you choose. Unique indexes on columns a and b single composite unique constraint is violated, only first! In a given schema is called a multicolumn index, a combined index, a composite index, a index. Landed support for upsert in 9.5, so thankfully one does not need to remove special characters string. '' in node.js do aircraft of citus one can INSERT one or more rows from! Of course PostgreSQL also has Copy functionality, and an optional index_predicate ask it to do multiple. They do not name it upsert though, instead it is done an... One or more rows resulting from a query of upsert with one field - the primary key - as target.

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