Postgresql function return record

You need to define a new type and define your function to return that type. Use and abuse the RECORD type instead. How to return result of a SELECT inside a function.

CREATE OR REPLACE FUNCTION public. Just move all your variables from the .

Hi I come from a MS- SQL background and am trying to figure out what is wrong with the function. An introduction on writing stored function in postgresql. INTEGER) RETURNS SETOF RECORD AS . SQL functions execute an arbitrary list of SQL statements, returning the result of the last query in the list.

In the simple (non-set) case, the first row of the last . Note that you must declare the function as returning SETOF record when . Trigger functions must exit by returning either the NEW row to be inserted or . High Performance and Admin.

SQL and PLPGSQL function Return single record in RETURNS TABLE. That is, we define the fields of the SETOF rows that the function will return. Therefore it cannot simply ask the index for the correct row.

PostgreSQL functions (version and later) can also return a table. If the function was going to return a record exactly like an existing . If singleton, first row of last query result returned , NULL on no result. This allows saner semantics for cases where multiple set- returning functions are present.

If they return different numbers of rows , the shorter . I have been tasked with writing a function to take a query and a list of schemas as parameters, and return the union of this query run on all schemas. You can also support functions that need to return a custom type i. This function returns the total number of records in the COMPANY table. FUNCTION test_write_scalability (n INT) RETURNS SETOF RECORD AS . There are some SQL commands that does not return rows , for example,.

Turns out the database has to prepare the query plan before it knows about the parameters, which leads to bad. In Postgres , there are ways to count orders of magnitude faster. The function can return no rows , one row , or multiple rows (see the g flag below).

SETOF any table records AS return in pgSQL functions.

The query and query_ functions return a list of . If, on the other han a row is found with customerid IS NULL, the function is called. Dla rekordów polimorficznych trzeba dodać RETURNS SETOF record. The standard DELETE statement in SQL returns the number of deleted rows.

But, what if you could just provide the department_name and automatically get. Below, I have created the emp_count function that will return the needed count of . That is, ARRAY expects to get rows as its input, and returns. Create a function to test RETURN TABLE:.