What does the function SELECT return?

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Use RETURN QUERY : CREATE OR REPLACE FUNCTION word_frequency(_max_tokens int) RETURNS TABLE (txt text -- also visible as OUT param in function body .Return select * result in postgres function - sql - Stack OverflowReturn a select from a plpgsql function - Stack OverflowPostgres function Return Select * result from multiple tablesFunction SELECT that returns a row in SQL SERVER 2012Другие результаты с сайта stackoverflow.com

What is return query in Postgres?

RETURN QUERY appends the results of executing a query to the function's result set. RETURN NEXT and RETURN QUERY can be freely intermixed in a single set-returning function, in which case their results will be concatenated.

How do I return a table?

To return a table from the function, you use RETURNS TABLE syntax and specify the columns of the table. Each column is separated by a comma (, ). In the function, we return a query that is a result of a SELECT statement.

How do I return a SQL query?

You can use one or more RETURN statements in a stored procedure. The RETURN statement can be used anywhere after the declaration blocks within the SQL-procedure-body. To return multiple output values, parameters can be used instead. Parameter values must be set before the RETURN statement runs.

Can function return table in SQL?

Description. The simple definition of the table-valued function (TVF) can be made such like that; a user-defined function that returns a table data type and also it can accept parameters. TVFs can be used after the FROM clause in the SELECT statements so that we can use them just like a table in the queries.

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