upsert Archives - IT Nursery

postgresql, Programming

IT Nursery

PostgreSQL INSERT ON CONFLICT UPDATE (upsert) use all excluded values

When you are upserting a row (PostgreSQL >= 9.5), and you want the possible INSERT to be exactly the same as the possible ...

May 31, 2022
0 Comments

How to use RETURNING with ON CONFLICT in PostgreSQL?

I have the following UPSERT in PostgreSQL 9.5: INSERT INTO chats ("user", "contact", "name") VALUES ($1, $2, $3), ($2, $1, NULL) ON CONFLICT("user", ...

May 21, 2022
0 Comments

Oracle: how to UPSERT (update or insert into a table?)

The UPSERT operation either updates or inserts a row in a table, depending if the table already has a row that matches the ...

May 15, 2022
0 Comments

INSERT IF NOT EXISTS ELSE UPDATE?

I’ve found a few “would be” solutions for the classic “How do I insert a new record or update one if it already ...

May 15, 2022
0 Comments

How to UPSERT (MERGE, INSERT … ON DUPLICATE UPDATE) in PostgreSQL?

A very frequently asked question here is how to do an upsert, which is what MySQL calls INSERT ... ON DUPLICATE UPDATE and ...

May 12, 2022
0 Comments

Postgres: INSERT if does not exist already

I’m using Python to write to a postgres database: sql_string = "INSERT INTO hundred (name,name_slug,status) VALUES (" sql_string += hundred + ", '" ...

May 1, 2022
0 Comments

SQLite – UPSERT not INSERT or REPLACE

http://en.wikipedia.org/wiki/Upsert Insert Update stored proc on SQL Server Is there some clever way to do this in SQLite that I have not thought ...

April 30, 2022
0 Comments

Solutions for INSERT OR UPDATE on SQL Server

Assume a table structure of MyTable(KEY, datafield1, datafield2...). Often I want to either update an existing record, or insert a new record if ...

April 27, 2022
0 Comments

Insert, on duplicate update in PostgreSQL?

Several months ago I learned from an answer on Stack Overflow how to perform multiple updates at once in MySQL using the following ...

April 25, 2022
0 Comments

Insert into a MySQL table or update if exists

I want to add a row to a database table, but if a row exists with the same unique key I want to ...

April 15, 2022
0 Comments