How to return a table rows or record from a function in PostgreSQL 9
How can a Postgres Stored Function return a table 0 How return a Table freom a function 1 Return result of query from function in postgresql 0 Create an SQL Function that will return a table 3 How to return rows of query result in PostgreSQL s function 1 Return a record from function 0
PostgreSQL Function Returning A Table GeeksforGeeks, PostgreSQL returns a table with one column that holds the array of films In practice you often process each individual row before appending it in the function s result set The following example illustrates the idea CREATE OR REPLACE FUNCTION get film p pattern VARCHAR p year INT RETURNS TABLE film title VARCHAR film release year INT
How to use RETURNS TABLE with an existing table in PostgreSQL
Since PostgreSQL v8 we can do it We can RETURNS EXISTING TABLE NAME In its Guide in all PostgreSQL versions from since pg v8 to current version all have a section named SQL Functions as Table Sources Let s reproduce the Guide s example with some simplifications
F 43 tablefunc functions that return tables PostgreSQL, The tablefunc module includes various functions that return tables that is multiple rows These functions are useful both in their own right and as examples of how to write C functions that return multiple rows This module is considered trusted that is it can be installed by non superusers who have CREATE privilege on the current database
Postgresql PL pgSQL functions How to return a normal table with
Postgresql PL pgSQL functions How to return a normal table with , I ve got this PL pgSQL function which must return some users information CREATE OR REPLACE FUNCTION my function user id integer RETURNS TABLE id integer firstname character varying lastname character varying AS DECLARE ids character varying BEGIN ids Some code which build the ids string not interesting for this issue RETURN QUERY EXECUTE SELECT users id users
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Return table type from a function in PostgreSQL Stack Overflow
Return table type from a function in PostgreSQL Stack Overflow Sorted by 3 Your function is doing a lot of empty work You could replace the tedious and expensive explicit cursor with a FOR loop using a cursor implicitly But don t bother and radically simplify with a single query instead Optionally wrapped into an SQL function CREATE OR REPLACE FUNCTION ccdb fn email details auto RETURNS TABLE
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The syntax to create a function PostgreSQL is given below CREATE OR REPLACE FUNCTION function name parameter name parameter type RETURNS return type AS BEGIN Function logic and queries here RETURN return value END LANGUAGE language name CREATE OR REPLACE FUNCTION This is the command to create a new function and replace the How to Return Record using PostgreSQL Function. 38 5 9 SQL Functions Returning Sets When an SQL function is declared as returning SETOF sometype the function s final query is executed to completion and each row it outputs is returned as an element of the result set This feature is normally used when calling the function in the FROM clause Overloading PostgreSQL allows function overloading that is the same name can be used for several different functions so long as they have distinct input argument types Whether or not you use it this capability entails security precautions when calling functions in databases where some users mistrust other users see Section 10 3 Two functions are considered the same if they have the same
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