Postgresql Postgres FOR LOOP Stack Overflow
Procedural elements like loops are not part of the SQL language and can only be used inside the body of a procedural language function procedure Postgres 11 or later or a DO statement where such additional elements are defined by the respective procedural language The default is PL pgSQL but there are others Example with plpgsql
PL pgSQL Loop Statements PostgreSQL Tutorial, The loop defines an unconditional loop that executes a block of code repeatedly until terminated by an exit or return statement The following illustrates the syntax of the loop statement label loop statements end loop Code language PostgreSQL SQL dialect and PL pgSQL pgsql
PostgreSQL Documentation 16 43 6 Control Structures
Simple Loops 43 6 6 Looping through Query Results 43 6 7 Looping through Arrays 43 6 8 Trapping Errors 43 6 9 Obtaining Execution Location Information Control structures are probably the most useful and important part of PL pgSQL With PL pgSQL s control structures you can manipulate PostgreSQL data in a very flexible and powerful way
PostgreSQL PL pgSQL While Loop Explained By Examples, The following example uses the while loop statement to display the value of a counter do declare counter integer 0 begin while counter 5 loop raise notice Counter counter counter counter 1 end loop end Code language PostgreSQL SQL dialect and PL pgSQL pgsql Output
Chapter 43 PL pgSQL SQL Procedural Language PostgreSQL
Chapter 43 PL pgSQL SQL Procedural Language PostgreSQL, Chapter 43 PL pgSQL SQL Procedural Language Table of Contents 43 1 Overview 43 1 1 Advantages of Using PL pgSQL 43 1 2 Supported Argument and Result
Postgresql
PostgreSQL CREATE PROCEDURE By Examples
PostgreSQL CREATE PROCEDURE By Examples In this syntax First specify the name of the stored procedure after the create procedure keywords Second define parameters for the stored procedure A stored procedure can accept zero or more parameters Third specify plpgsql as the procedural language for the stored procedure
PostgreSQL Call A Stored Procedure For Every Row
Here s an overview of the two primary types of FOR loops in PL pgSQL Numeric FOR Loop A numeric FOR loop allows you to iterate over a range of numbers You specify the start and end values and the loop iterates from the start value up to and including the end value PL pgSQL FOR LOOP PostgreSQL Tutorial. Here s a simple example of a LOOP statement that counts from 1 to 5 and prints each number In PostgreSQL a PL pgSQL procedure is a named block of code written in the PL pgSQL language that performs a specific task or set of tasks Procedures are similar to functions but they do not return values like functions do 1 Inserting data using a procedure 2 Displaying a message on the screen 3 Using transaction control 4 Using columns data types 5 Raising notices warnings and INFO messages 6 Raising exceptions 7 Traversing values in a table using a FOR loop 8 Using SECURITY INVOKER 9 Using SECURITY DEFINER 10 Setting configuration parameters
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