Return a table from a function : Function Return « Store Procedure Function « PostgreSQL

PostgreSQL
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PostgreSQL » Store Procedure Function » Function Return 
Return a table from a function


postgres=# CREATE TABLE myTable (
postgres(#          id int,
postgres(#          sid int,
postgres(#          name text);
CREATE TABLE
postgres=#
postgres=# insert into myTable values(1,2,'a');
INSERT 0 1
postgres=# insert into myTable values(2,3,'b');
INSERT 0 1
postgres=#
postgres=# select from myTable;
 id | sid | name
----+-----+------
  |   | a
  |   | b
(rows)

postgres=#
postgres=# CREATE FUNCTION getData(intRETURNS SETOF myTable AS $$
postgres$#    SELECT FROM myTable WHERE id = $1;
postgres$# $$ LANGUAGE SQL;
CREATE FUNCTION
postgres=#
postgres=# SELECT FROM getData(1AS t1;
 id | sid | name
----+-----+------
  |   | a
(row)

postgres=#
postgres=# drop function getData(int);
DROP FUNCTION
postgres=# drop table myTable;
DROP TABLE
postgres=#


           
       
Related examples in the same category
1. Define function to add two parameters together
2. Return entire row
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4. Returning a concatenated string
5. Return 'double' from function
6. A SQL function that returns a book title based on the ID number passed to the function
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