SnowConvert AI - Redshiftの問題¶

 CREATE OR REPLACE PROCEDURE procedure2(
    IN input_param INTEGER,
    OUT output_param NUMERIC
)
AS $$
BEGIN
    output_param := input_param * 1.7;
END;
$$
LANGUAGE plpgsql
SET enable_numeric_rounding to ON;

 CREATE OR REPLACE PROCEDURE procedure2 (input_param INTEGER, output_param OUT NUMERIC)
RETURNS VARCHAR
LANGUAGE SQL
!!!RESOLVE EWI!!! /*** SSC-EWI-RS0002 - SET CONFIGURATION PARAMETER 'enable_numeric_rounding' IS NOT SUPPORTED IN SNOWFLAKE. ***/!!!
SET enable_numeric_rounding to ON
COMMENT = '{ "origin": "sf_sc", "name": "snowconvert", "version": {  "major": 0,  "minor": 0,  "patch": "0" }, "attributes": {  "component": "redshift",  "convertedOn": "07/16/2025",  "domain": "no-domain-provided" }}'
AS $$
BEGIN
    output_param := input_param * 1.7;
END;
$$;

 CREATE VIEW myView AS SELECT col1 FROM public.missingTable
WITH NO SCHEMA BINDING;

 --** SSC-FDM-0007 - MISSING DEPENDENT OBJECT "public.missingTable" **
CREATE VIEW myView
COMMENT = '{ "origin": "sf_sc", "name": "snowconvert", "version": {  "major": 0,  "minor": 0,  "patch": "0" }, "attributes": {  "component": "redshift",  "convertedOn": "09/17/2024" }}'
AS SELECT col1 FROM
public.missingTable
!!!RESOLVE EWI!!! /*** SSC-EWI-RS0003 - WITH NO SCHEMA BINDING STATEMENT CAN NOT BE REMOVED DUE TO MISSING REFERENCES. ***/!!!
WITH NO SCHEMA BINDING;

 CREATE TABLE table1
(
    col_hllsketch HLLSKETCH
);

 CREATE TABLE table1
(
    col_hllsketch HLLSKETCH !!!RESOLVE EWI!!! /*** SSC-EWI-RS0004 - HLLSKETCH DATA TYPE NOT SUPPORTED IN SNOWFLAKE. ***/!!!
)
COMMENT = '{ "origin": "sf_sc", "name": "snowconvert", "version": {  "major": 0,  "minor": 0,  "patch": "0" }, "attributes": {  "component": "redshift",  "convertedOn": "09/17/2024" }}';

 SELECT *
FROM count_by_color UNPIVOT (
    cnt FOR color IN (red AS r, green AS g, blue AS b)
);

 SELECT *
FROM
    count_by_color UNPIVOT (
    cnt FOR color IN (red
                          !!!RESOLVE EWI!!! /*** SSC-EWI-RS0005 - PENDING SNOWCONVERT AI TRANSLATION FOR COLUMN ALIASES IN THE PIVOT/UNPIVOT IN CLAUSE. ***/!!! AS r, green
                                                                                                                                                                              !!!RESOLVE EWI!!! /*** SSC-EWI-RS0005 - PENDING SNOWCONVERT AI TRANSLATION FOR COLUMN ALIASES IN THE PIVOT/UNPIVOT IN CLAUSE. ***/!!! AS g, blue
                                                                                                                                                                                                                                                                                                                                 !!!RESOLVE EWI!!! /*** SSC-EWI-RS0005 - PENDING SNOWCONVERT AI TRANSLATION FOR COLUMN ALIASES IN THE PIVOT/UNPIVOT IN CLAUSE. ***/!!! AS b)
);

 SELECT SUBSTRING('12345'::varbyte, 2, 4) AS substring_binary;
SELECT SUBSTRING('abc'::varbyte, 2, 4) AS substring_binary;

 SELECT SUBSTRING('12345':: BINARY, 2, 4) !!!RESOLVE EWI!!! /*** SSC-EWI-RS0006 - THE BEHAVIOR OF THE SUBSTRING FUNCTION ON BINARY DATA DIFFERS BETWEEN REDSHIFT AND SNOWFLAKE. ***/!!! AS substring_binary;
SELECT SUBSTRING('abc':: BINARY, 2, 4) !!!RESOLVE EWI!!! /*** SSC-EWI-RS0006 - THE BEHAVIOR OF THE SUBSTRING FUNCTION ON BINARY DATA DIFFERS BETWEEN REDSHIFT AND SNOWFLAKE. ***/!!! AS substring_binary;

 select datediff(century, '2000-Jan-31', 'Jan-31-2000');

  select
 DATEDIFF(YEAR,
                !!!RESOLVE EWI!!! /*** SSC-EWI-RS0007 - '2000-Jan-31' DATE LITERAL IS NOT SUPPORTED IN SNOWFLAKE. ***/!!!
                '2000-Jan-31',
                               !!!RESOLVE EWI!!! /*** SSC-EWI-RS0007 - 'Jan-31-2000' DATE LITERAL IS NOT SUPPORTED IN SNOWFLAKE. ***/!!!
                               'Jan-31-2000') / 100;

 CREATE MATERIALIZED VIEW mv AS
SELECT id, name, department_id FROM employees WHERE department_id = 101;

DELETE FROM mv
WHERE id = 2;

 CREATE DYNAMIC TABLE mv
--** SSC-FDM-0031 - DYNAMIC TABLE REQUIRED PARAMETERS SET BY DEFAULT **
TARGET_LAG='1 day'
WAREHOUSE=UPDATE_DUMMY_WAREHOUSE
COMMENT = '{ "origin": "sf_sc", "name": "snowconvert", "version": {  "major": 0,  "minor": 0,  "patch": "0" }, "attributes": {  "component": "redshift",  "convertedOn": "03/03/2025",  "domain": "test" }}'
AS
SELECT id, name, department_id FROM
employees
WHERE department_id = 101;


!!!RESOLVE EWI!!! /*** SSC-EWI-RS0008 - MATERIALIZED VIEW IS TRANSFORMED INTO A DYNAMIC TABLE, AND THE DELETE STATEMENT CANNOT BE USED ON DYNAMIC TABLES IN SNOWFLAKE. ***/!!!
DELETE FROM
mv
WHERE id = 2;

 MERGE INTO target USING source ON target.id = source.id REMOVE DUPLICATES;

 CREATE TEMPORARY TABLE source_duplicates AS
SELECT DISTINCT
source.*
FROM
source
INNER JOIN
target
ON target.id = source.id;
!!!RESOLVE EWI!!! /*** SSC-EWI-RS0009 - SEMANTIC INFORMATION NOT FOUND FOR THE SOURCE TABLE IN THE CODE PROVIDED TO SNOWCONVERT AI. COLUMNS TO BE INSERTED MAY BE ADDED MANUALLY. ***/!!!
--** SSC-FDM-RS0005 - REDSHIFT MERGE STATEMENT REJECTS DUPLICATE SOURCE ROWS. SNOWFLAKE ALLOWS DUPLICATES, WHICH MAY PRODUCE NON-DETERMINISTIC RESULTS. **
MERGE INTO target
USING source ON target.id = source.id
WHEN MATCHED THEN
DELETE
WHEN NOT MATCHED THEN
INSERT
VALUES ();
INSERT INTO target
SELECT
*
FROM
source_duplicates;
DROP TABLE IF EXISTS source_duplicates CASCADE;

 CREATE OR REPLACE PROCEDURE get_total_sales_by_product(
    IN p_product_name VARCHAR(100),
    OUT p_total_sales DECIMAL(18, 2)
)
AS $$
BEGIN
    NULL;
END;
$$ LANGUAGE plpgsql;

CALL get_total_sales_by_product('Laptop');

 CREATE OR REPLACE PROCEDURE get_total_sales_by_product (p_product_name VARCHAR(100), p_total_sales OUT DECIMAL(18, 2))
RETURNS VARCHAR
LANGUAGE SQL
COMMENT = '{ "origin": "sf_sc", "name": "snowconvert", "version": {  "major": 0,  "minor": 0,  "patch": "0" }, "attributes": {  "component": "redshift",  "convertedOn": "07/10/2025",  "domain": "no-domain-provided" }}'
AS $$
BEGIN
NULL;
END;
$$;
!!!RESOLVE EWI!!! /*** SSC-EWI-RS0010 - TOP-LEVEL PROCEDURE CALL WITH OUT PARAMETERS IS NOT SUPPORTED IN SNOWFLAKE. ***/!!!
CALL get_total_sales_by_product('Laptop');