DECLARE CONDITION HANDLER

Translation reference to convert Teradata DECLARE CONDITION handler to Snowflake Scripting

Description

Assign a name to an SQLSTATE code, or declare a user-defined condition.

For more information regarding the Teradata DECLARE CONDITION handler, check here.

DECLARE condition_name CONDITION
    [ FOR SQLSTATE [ VALUE ] sqlstate_code ] ;

Sample Source Patterns

DECLARE CONDITION

Teradata

Query

IN -> Teradata_01.sql

CREATE PROCEDURE declareConditionExample ( )
BEGIN
    DECLARE DB_ERROR CONDITION;
    ...
END;

Snowflake Scripting

Query

OUT -> Teradata_02.sql

CREATE OR REPLACE PROCEDURE declareConditionExample ( )
RETURNS VARCHAR
LANGUAGE SQL
COMMENT = '{"origin":"sf_sc","name":"snowconvert","version":{"major":1, "minor":0},{"attributes":{"component":"teradata"}}'
EXECUTE AS CALLER
AS
$$
    DECLARE
        DB_ERROR EXCEPTION;
    BEGIN
    END;
$$;

Known Issues

DECLARE CONDITION FOR SQLSTATE

The support of declaring conditions for SQLSTATE values is not currently supported by Snowflake Scripting.

Teradata

Query

IN -> Teradata_02.sql

CREATE PROCEDURE declareConditionExample2 ( )
BEGIN
    DECLARE ERROR_EXISTS CONDITION FOR SQLSTATE VALUE '42000';
END;

Snowflake Scripting

Query

OUT -> Teradata_02.sql

CREATE OR REPLACE PROCEDURE declareConditionExample2 ( )
RETURNS VARCHAR
LANGUAGE SQL
COMMENT = '{"origin":"sf_sc","name":"snowconvert","version":{"major":1, "minor":0},"attributes":{"component":"teradata"}}'
EXECUTE AS CALLER
AS
$$
    DECLARE
        ERROR_EXISTS EXCEPTION;
    BEGIN
--        !!!RESOLVE EWI!!! /*** SSC-EWI-0058 - FUNCTIONALITY FOR 'SET EXCEPTION DETAILS' IS NOT CURRENTLY SUPPORTED BY SNOWFLAKE SCRIPTING ***/!!!
-- ERROR_EXISTS CONDITION FOR SQLSTATE VALUE '42000';
    END;
$$;

Related EWIS

1. SSC-EWI-0058: Functionality is not currently supported by Snowflake Scripting.