获取相同时间戳postgres的不同值

CREATE SEQUENCE timestamp_seq;

ALTER TABLE your_table
ALTER COLUMN your_timestamp_column
SET DEFAULT nextval('timestamp_seq');

INSERT INTO your_table (your_timestamp_column, other_column)
VALUES (DEFAULT, 'other_value');

CREATE EXTENSION IF NOT EXISTS "uuid-ossp";

CREATE TABLE your_table (
    your_timestamp_column TIMESTAMP DEFAULT current_timestamp,
    your_uuid_column UUID DEFAULT uuid_generate_v4(),
    other_column TEXT
);

INSERT INTO your_table (other_column)
VALUES ('other_value');