postgresql function int
CREATE FUNCTION one() RETURNS integer AS $$ SELECT 1 AS result; $$ LANGUAGE SQL; -- Alternative syntax for string literal: CREATE FUNCTION one() ... ,PostgreSQL 允許函數多載；也就是說，只要具有不同的輸入參數類型，相同的名稱可以用於多個 ... CREATE FUNCTION dup(int) RETURNS TABLE(f1 int, f2 text). ,Also, CREATE OR REPLACE FUNCTION will not let you change the return type of an ..... CREATE FUNCTION dup(int) RETURNS TABLE(f1 int, f2 text) AS ... ,CREATE FUNCTION defines a new function. CREATE OR REPLACE ... ,CREATE OR REPLACE FUNCTION increment(i integer) RETURNS integer AS $$ BEGIN RETURN i + 1; END; $$ LANGUAGE plpgsql; Return a record containing multiple output parameters: CREATE FUNCTION dup(in int, out f1 int, out f2 text) AS $$ SELECT $1, CAST($1 AS tex,To replace the current definition of an existing function, use CREATE OR REPLACE .... CREATE FUNCTION dup(int) RETURNS TABLE(f1 int, f2 text) AS ... ,To replace the current definition of an existing function, use CREATE OR REPLACE .... CREATE FUNCTION dup(int) RETURNS TABLE(f1 int, f2 text) AS ... ,To replace the current definition of an existing function, use CREATE OR REPLACE ..... CREATE FUNCTION dup(int) RETURNS TABLE(f1 int, f2 text) AS ... ,division (integer division truncates the result), 4 / 2, 2. %, modulo (remainder), 5 % 4, 1. ^, exponentiation (associates left to right), 2.0 ^ 3.0, 8. |/, square root, |/ ...
| 相關軟體 PostgreSQL 資訊 | |
|---|---|
 postgresql function int 相關參考資料
(SQL) Functions - PostgreSQL
CREATE FUNCTION one() RETURNS integer AS $$ SELECT 1 AS result; $$ LANGUAGE SQL; -- Alternative syntax for string literal: CREATE FUNCTION one() ... https://www.postgresql.org CREATE FUNCTION - PostgreSQL 正體中文使用手冊
PostgreSQL 允許函數多載；也就是說，只要具有不同的輸入參數類型，相同的名稱可以用於多個 ... CREATE FUNCTION dup(int) RETURNS TABLE(f1 int, f2 text). https://docs.postgresql.tw Documentation: 10: CREATE FUNCTION - PostgreSQL
Also, CREATE OR REPLACE FUNCTION will not let you change the return type of an ..... CREATE FUNCTION dup(int) RETURNS TABLE(f1 int, f2 text) AS ... https://www.postgresql.org Documentation: 12: CREATE FUNCTION - PostgreSQL
CREATE FUNCTION defines a new function. CREATE OR REPLACE ... https://www.postgresql.org Documentation: 9.1: CREATE FUNCTION - PostgreSQL
CREATE OR REPLACE FUNCTION increment(i integer) RETURNS integer AS $$ BEGIN RETURN i + 1; END; $$ LANGUAGE plpgsql; Return a record containing multiple output parameters: CREATE FUNCTION dup(in int, o... https://www.postgresql.org Documentation: 9.2: CREATE FUNCTION - PostgreSQL
To replace the current definition of an existing function, use CREATE OR REPLACE .... CREATE FUNCTION dup(int) RETURNS TABLE(f1 int, f2 text) AS ... https://www.postgresql.org Documentation: 9.3: CREATE FUNCTION - PostgreSQL
To replace the current definition of an existing function, use CREATE OR REPLACE .... CREATE FUNCTION dup(int) RETURNS TABLE(f1 int, f2 text) AS ... https://www.postgresql.org Documentation: 9.5: CREATE FUNCTION - PostgreSQL
To replace the current definition of an existing function, use CREATE OR REPLACE ..... CREATE FUNCTION dup(int) RETURNS TABLE(f1 int, f2 text) AS ... https://www.postgresql.org Documentation: 9.5: Mathematical Functions and ... - PostgreSQL
division (integer division truncates the result), 4 / 2, 2. %, modulo (remainder), 5 % 4, 1. ^, exponentiation (associates left to right), 2.0 ^ 3.0, 8. |/, square root, |/ ... https://www.postgresql.org |