table somewhere so it can be a 'type', you get the values from the record by using syntaxt like SELECT col1(teste_tmp(1)), col2(teste_tmp(1)), col3(teste_tmp(1)); You could also return a CURSOR but I've never tried that (I access PostgreSQL from perl's DBI which doesn't support a cursor return type). Update. I use "RETURNS RECORD" to return a multiple values from a function as following but it doesn't work at all. 41. Lines 74 through 82 create a text value from a null-terminated directory entry (actually, ignore most of the struct dirent structure and just return the name portion). Both stored procedures and user-defined functions are created with CREATE FUNCTION statement in PostgreSQL. I am trying to return multiple records using RECORD data type, is there a way I can append to RECORD and add/append a new value with each iteration to this RECORD. 2. Or is there any other way to do it? The fact that two rows are being updated is likely to cause issues, never tried RETURNING when more than one row/value is coming back. Turbomaschinenservice Central Africa SARL 46, Rue Foucard, De La Salle - Akwa Douala - Cameroun – OMG Ponies Aug 25 '11 at 14:17. add a comment | 7 Answers Active Oldest Votes. Value: Any value which we have used with coalesce function in PostgreSQL. Does anyone know how I can do INSERT and RETURNING for multiple values like this with Dapper? Query - Working with a Result Set in C# Consider a PostgreSQL query returning a result set with 2 columns: city and state : RETURN (INSERT INTO configuration_dates ( weekly_date_configuration_id, "from", "to", price, activity_configuration_id ) VALUES ( wdc_id, from_ts, from_ts + wdc.duration, wdc.price, wdc.activity_configuration_id ) RETURNING id); But I haven't found how to … Execute works, but obviously it doesn't return back the inserted players with their Ids. Coalesce: Coalesce states that function name in PostgreSQL which returns as first non-null value as a result. that is, I want to append to rec so that rec becomes a set of rows when the loop is over, which I can just RETURN at the end of my function. Before PostgreSQL 9.1 INSERT/UPDATE/DELETE could only be used as top level statements. Note that for the return next we are not returning the record r, but instead are returning just the departmentid because this function returns a set of integers. It is worth noting that I can do an INSERT and RETURNING like this when I insert only one value. For multiple values coalesce function will return a first non-null value in result. I … If we instead had wanted to return a holder to include the salary + overhead value, we could have defined the function to return setof holder and used return next r; here. * PostgreSQL Stored Procedures and Functions - Getting Started To return one or more result sets (cursors in terms of PostgreSQL), you have to use refcursor return type. Lines 67 through 93 take care of returning a single result to the caller. Currently, SRF returning PL/pgSQL functions must generate the entire result set before If you came here wondering how you can return multiple values from a function ( like in PostgreSQL UNION Summary: in this tutorial, you will learn how to use PostgreSQL UNION operator to combine result sets of multiple queries into a single result sets. Coalesce function is very important and useful in PostgreSQL. If the query returns multiple rows and columns, ExecuteScalar method returns the value of the first column in the first row. postgres=# postgres=# -- Output parameters are most useful when returning multiple values postgres=# postgres=# CREATE FUNCTION sum_n_product(x int, y int, OUT sum int, OUT prod int) AS $$ postgres$# BEGIN postgres$# sum := x + y; postgres$# prod := x * y; postgres$# END; postgres$# $$ LANGUAGE plpgsql; CREATE FUNCTION postgres … Line 62 tells PostgreSQL that you have reached the end of the result set and line 64 returns a NULL Datum. 3. Hi, all. Output parameters are most useful when returning multiple values. Joshua b. Set and line 64 returns a NULL Datum multiple rows and columns, method! Function will return a first non-null value in result PostgreSQL that you have reached the of... Level statements coalesce states that function name in PostgreSQL which returns as first non-null value as a.! 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