SSC-FDM-PG0004

The date output format may vary

Description

The date output format may vary depending on the Timestamp type and the timestamp_output_format being used, you can consult here.

Code Example

Input Code:

PostgreSQL

IN -> PostgreSQL_01.sql

CREATE TABLE table1 (
    dt_update timestamp without time zone DEFAULT clock_timestamp()
);

Output Code:

Snowflake

OUT -> PostgreSQL_01.sql

CREATE TABLE table1 (
    dt_update TIMESTAMP_NTZ DEFAULT CAST(
    --** SSC-FDM-PG0004 - THE DATE OUTPUT FORMAT MAY VARY DEPENDING ON THE TIMESTAMP TYPE AND THE TIMESTAMP_OUTPUT_FORMAT BEING USED. **
    CURRENT_TIMESTAMP() AS TIMESTAMP_NTZ)
)
COMMENT = '{ "origin": "sf_sc", "name": "snowconvert", "version": {  "major": 0,  "minor": 0,  "patch": "0" }, "attributes": {  "component": "postgresql",  "convertedOn": "09/17/2024" }}';

Samples

Example with CREATE TABLE.

Input Code:

PostgreSQL

IN -> PostgreSQL_02.sql

CREATE TABLE sample2 (
    platform_id integer NOT NULL,
    dt_update timestamp with time zone DEFAULT clock_timestamp()
);
    
insert into postgres.public.sample2 (platform_id) values (1);
   
select *, clock_timestamp() from postgres.public.sample2;

Results

platform_id|dt_update                    |clock_timestamp              |
-----------+-----------------------------+-----------------------------+
          1|2023-02-05 22:47:34.275 -0600|2023-02-05 23:16:15.754 -0600|

Output Code:

Snowflake

OUT -> PostgreSQL_02.sql

CREATE TABLE sample2 (
    platform_id integer NOT NULL,
    dt_update TIMESTAMP_TZ DEFAULT CAST(
--** SSC-FDM-PG0004 - THE DATE OUTPUT FORMAT MAY VARY DEPENDING ON THE TIMESTAMP TYPE AND THE TIMESTAMP_OUTPUT_FORMAT BEING USED. **
CURRENT_TIMESTAMP() AS TIMESTAMP_TZ)
);

insert into postgres.public.sample2 (platform_id) values (1);
ALTER SESSION SET timestamp_output_format = 'YYYY-MM-DD HH24:MI:SS.FF';

select *,
CURRENT_TIMESTAMP(3)
from
postgres.public.sample2;

Results

PLATFORM_ID   DT_UPDATE	                        CURRENT_TIMESTAMP(3)
1	      2023-02-05 20:52:30.082000000	2023-02-05 21:20:31.593

Example with SELECT with clock_timestamp().

Input Code

PostgreSQL

IN -> PostgreSQL_03.sql

select clock_timestamp();

Results

clock_timestamp        |
-----------------------+
2023-02-05 23:24:13.740|

Output Code

Snowflake

OUT -> PostgreSQL_03.sql

ALTER SESSION SET timestamp_output_format = 'YYYY-MM-DD HH24:MI:SS.FF';
select
    CURRENT_TIMESTAMP(3);

Results

CURRENT_TIMESTAMP(3)
2023-02-05 21:29:24.258

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