Funções para obter data/hora atuais

Funções para Manipular Dados no PostgreSQL

Brian Piccolo

Sr. Director, Digital Strategy

Obtendo o timestamp atual

SELECT NOW();

+-------------------------------+
| now()                         |
|-------------------------------|
| 2019-04-19 02:51:18.448641+00 |
+-------------------------------+

Obtendo o timestamp atual

SELECT NOW()::timestamp;

+----------------------------+
| now()                      |
|----------------------------+
| 2019-04-19 02:51:18.448641 |
+----------------------------+

Obtendo o timestamp atual

Conversão específica do PostgreSQL

SELECT NOW()::timestamp;

Função CAST()

SELECT CAST(NOW() as timestamp);

Obtendo o timestamp atual

SELECT CURRENT_TIMESTAMP;

+-------------------------------+
| current_timestamp             |
|-------------------------------|
| 2019-04-19 02:51:18.448641+00 |
+-------------------------------+

Obtendo o timestamp atual

SELECT CURRENT_TIMESTAMP(2);

+-------------------------------+
| current_timestamp             |
|-------------------------------|
| 2019-04-19 02:51:18.44+00     |
+-------------------------------+

Data e hora atuais

SELECT CURRENT_DATE;

+--------------+
| current_date |
|--------------|
| 2019-04-19   |
+--------------+

Data e hora atuais

SELECT CURRENT_TIME;

+------------------------+
| current_time           |
|------------------------|
| 04:06:30.929845+00:00  |
+------------------------+

Vamos praticar!

Funções para Manipular Dados no PostgreSQL