IF NOT EXISTS

Description

In Amazon Redshift, IF NOT EXISTS is used in table creation commands to avoid errors if the table already exists. When included, it ensures that the table is created only if it does not already exist, preventing duplication and errors in your SQL script.

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Grammar Syntax

IF NOT EXISTS

Sample Source Patterns

Input Code:

Redshift

IN -> Redshift_01.sql

CREATE TABLE IF NOT EXISTS table1 (
    col1 INTEGER
);

Output Code:

Snowflake

OUT -> Redshift_01.sql

CREATE TABLE IF NOT EXISTS table1 (
    col1 INTEGER
)
COMMENT = '{ "origin": "sf_sc", "name": "snowconvert", "version": {  "major": 0,  "minor": 0,  "patch": "0" }, "attributes": {  "component": "redshift",  "convertedOn": "09/17/2024" }}';

Related EWIs

There are no known issues.