Postgresql returning id into variable. Feb 26, 2026 · 6. Jul 25, 2025 · Explore P...

Postgresql returning id into variable. Feb 26, 2026 · 6. Jul 25, 2025 · Explore PostgreSQL functions for returning dynamic SQL results with variable columns and data types. By integrating this feature into our SQL statements, we can efficiently manage our processes, minimize the need for additional queries, and increase overall performance. Below is an over-baked way of updating the tweet on the bottom right "blurb" with "hello world". <---- THIS LINE -- do more with newindex here return newindex; end; Well, the problem is that I want the id of the new post to be Jan 30, 2022 · 4 I would use to use another variable g_id instead of gameId because there is another GameId column from your table, then the insert into may be like this. So, for example, assigning now() to a variable of type timestamp causes the variable to have the time of the current function call, not the time when the function was precompiled. In the test script I want to select that id into a va May 31, 2010 · If you want to save the return into a a variable, then insert into names (firstname, lastname) values ('john', 'smith') returning id into other_variable; If the statement containing the returning is the last statement in a function, then the id being returning 'ed is returned by the function as a whole. CREATE OR REPLACE FUNCTION get(param_id integer) RETURNS integer AS $BODY$ BEGIN SELECT col1 FROM TABLE WHERE id = param_id; END; $BODY$ LANGUAGE plpgsql; I would like to avoid a DECLARE just for this. DECLARE myid OAMENI. Feb 26, 2026 · A variable's default value is evaluated and assigned to the variable each time the block is entered (not just once per function call). . id%TYPE; INSERT INTO oameni VALUES (default,'lol') RETURNING id INTO myid; You also need to specify the data type of your variable; I'm glad to see postgresql supports %TYPE and %ROWTYPE. This can be useful when you want to store specific values from a query result and use them later in your code. I have a table foo (id serial primary key, b int); and I want an insert function create or replace function insert_to_foo (bvalue integer) returns integer as declare newindex integer; begin insert into foo (a,b) values (default,bvalue) returning id . Jun 13, 2011 · I have a table: CREATE TABLE names (id serial, name varchar(20)) I want the "last inserted id" from that table, without using RETURNING id on insert. How can I do this? Also how can I return the id if the email Dec 27, 2014 · In Postgres, I'm writing a test script for a function (stored procedure) I wrote. Jan 4, 2024 · This inserts a new record and returns the ‘id’, ‘name’, and hypothetical ‘start_date’ of that new employee. There seem to be a function CURRVAL(), but I d How do I declare a variable for use in a PostgreSQL 8. Jan 15, 2021 · With MSSQL it's easy, the @ marking the start of all variable names allows the parser to know that it is a variable not a column. Feb 1, 2009 · Hi. &nbsp;Returning Data from Modified Rows # Sometimes it is useful to obtain data from modified rows while they are being … Sep 6, 2016 · I have a function that ends with: INSERT INTO configuration_dates ( cols ) VALUES ( values ) RETURNING id INTO ret_id; RETURN ret_id; And I would like to remove the Jul 23, 2025 · The RETURNING clause in PostgreSQL is a very useful tool that simplifies data retrieval immediately after INSERT, UPDATE, or DELETE operations. This could be used for complex workflows that include inserting into various tables at once: WITH Nov 27, 2025 · This blog will demystify variable declaration in PostgreSQL, covering **5 practical methods** with syntax, examples, and best practices. 3 query? In MS SQL Server I can do this: DECLARE @myvar INT; SET @myvar = 5/ SELECT * FROM somewhere WHERE something = @myvar; How do I d Jan 19, 2015 · I want to build a function which will insert an email if the email value doesn't exist in the table and return the email_id of the row. 4. Learn about `RETURNS record`, `RETURNS TABLE`, `anyelement`, and `refcursor`. To assign the results of a SELECT query to a variable, you can use the SELECT INTO statement. Whether you’re writing ad-hoc queries, building functions, or working interactively via `psql`, you’ll learn how to effectively use variables in PostgreSQL. Sep 8, 2016 · INSERT INTO table(id,field) VALUES($id,$value) RETURNING id; But i cannot return it and assign to variable into my function Here's an example of using functions in postgres (including declaration, variables, args, return values, and running). Oct 30, 2023 · Assigning Select Query Results to Variables In PostgreSQL, you can assign the results of a SELECT query to variables for further processing. Nov 18, 2016 · When I insert an item into the table, I only need to supply the name and PostgreSQL will set the id and created fields. By using the RETURNING keyword on the end of my insert query, I can have PostgreSQL return those new values to me as part of the same operation. The function returns and integer, the id of the row inserted. Combining with Data Modification Language (DML) You can use ‘RETURNING’ to receive data from an insert operation that is performed by another DML statement like ‘WITH’. This is useful for things like injecting constant values where a select is providing the input to an insert table when copying from a staging table.