DECLARE CURSOR

Description

Defines a new cursor. Use a cursor to retrieve a few rows at a time from the result set of a larger query. (Redshift SQL Language Reference Declare Cursor).

This syntax is fully supported in Snowflake.

Grammar Syntax

name CURSOR [ ( arguments ) ] FOR query 

Sample Source Patterns

Input Code:

Redshift

IN -> Redshift_01.sql

CREATE OR REPLACE PROCEDURE cursor_test()
AS $$
DECLARE
   -- Declare the cursor
   cursor1 CURSOR FOR SELECT 1;
   cursor2 CURSOR (key integer) FOR SELECT 2 where 1 = key;
   
BEGIN
END;
$$;

Output Code:

Redshift

OUT -> Redshift_01.sql

CREATE OR REPLACE PROCEDURE cursor_test ()
RETURNS VARCHAR
COMMENT = '{ "origin": "sf_sc", "name": "snowconvert", "version": {  "major": 0,  "minor": 0,  "patch": "0" }, "attributes": {  "component": "redshift",  "convertedOn": "03/03/2025",  "domain": "test" }}'
AS $$
      DECLARE
         -- Declare the cursor
         cursor1 CURSOR FOR SELECT 1;
         cursor2 CURSOR FOR SELECT 2 where 1 = ?;
BEGIN
         NULL;
END;
$$;

Known Issues

There are no known issues.

Related EWIs.

There are no related EWIs.