When Language is PLPGSQL
When the source language of the function is LANGUAGE PLPGSQL SnowConvert will generate stored procedures.
Returning Function
When a function returns a non-void type the generated stored procedure will return this type.
Greenplum
CREATE FUNCTION
RETURNS nonVoidType
AS
$$
...
$$
LANGUAGE PLPGSQL
functionOptions;
Snowflake
/*** MSC-WARNING - MSC-GP0003 - RETURNING FUNCTION TRANSLATED TO STORED PROCEDURE ***/
CREATE OR REPLACE PROCEDURE FOO
RETURNS nonVoidType
LANGUAGE SQL
functionOptions
AS
$$
...
$$
Non-Returning Function
When a function returns a void type the generated stored procedure will return a string type and a RETURN 'SUCCESS'
statement is added at the end of the body.
Greenplum
CREATE FUNCTION
RETURNS VOID
AS
$$
DECLARE
...
BEGIN
...
END;
$$
LANGUAGE PLPGSQL
functionOptions;
Snowflake
/*** MSC-WARNING - MSC-GP0002 - NON-RETURNING FUNCTION TRANSLATED TO STORED PROCEDURE ***/
CREATE OR REPLACE PROCEDURE FOO
RETURNS STRING
LANGUAGE SQL
functionOptions
AS
$$
DECLARE
...
BEGIN
...
RETURN 'SUCCESS';
END;
$$
Related EWIs
MSC-GP0002: Non-Returning Function Translated to Stored Procedure.
MSC-GP0003: Returning Function Translated to Stored Procedure.
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