FOR

Grammar Syntax

Integer variant

[<<label>>]
FOR name IN [ REVERSE ] expression .. expression LOOP
  statements
END LOOP [ label ];

Sample Source Patterns

Input Code:

Redshift

IN -> Redshift_01.sql

CREATE OR REPLACE PROCEDURE procedure1 ()
AS $$
BEGIN
  FOR i IN 1..10 LOOP
    NULL;
  END LOOP;

  FOR i IN REVERSE 10..1 LOOP
    NULL;
  END LOOP;
END;
$$ LANGUAGE plpgsql;

Output Code:

Redshift

OUT -> Redshift_01.sql

CREATE OR REPLACE PROCEDURE procedure1 ()
RETURNS VARCHAR
LANGUAGE SQL
COMMENT = '{ "origin": "sf_sc", "name": "snowconvert", "version": {  "major": 0,  "minor": 0,  "patch": "0" }, "attributes": {  "component": "redshift",  "convertedOn": "07/11/2025",  "domain": "no-domain-provided" }}'
AS $$
BEGIN
  FOR i IN 1 TO 10
                   --** SSC-PRF-0008 - PERFORMANCE REVIEW - LOOP USAGE **
                   LOOP
    NULL;
  END LOOP;

  FOR i IN REVERSE 10 TO 1
                           --** SSC-PRF-0008 - PERFORMANCE REVIEW - LOOP USAGE **
                           LOOP
    NULL;
  END LOOP;
END;
$$;

Known Issues

There are no known issues.

Related EWIs.

1. SSC-EWI-PG0006: Reference a variable using the Label is not supported by Snowflake.