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localtimestamp

1. LOCALTIMESTAMP Function​

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localtimestamp

1. LOCALTIMESTAMP Function​

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The LOCALTIMESTAMP function in H2 database is used to fetch the current date and time.

2. Syntax​

The syntax for the LOCALTIMESTAMP function in H2 database is as follows:

LOCALTIMESTAMP

Arguments​

The LOCALTIMESTAMP function does not require any arguments.

Return​

  • The LOCALTIMESTAMP function returns the current date and time as a TIMESTAMP value.

3. Notes​

  • The LOCALTIMESTAMP function in H2 database does not require any arguments. It automatically fetches the current date and time.
  • The returned value is of the TIMESTAMP data type.
  • The timezone used for the current timestamp is the timezone of the H2 database session.
  • The LOCALTIMESTAMP function does not change during the execution of a single statement in H2 database.

4. Examples​

Here are a few examples demonstrating the usage of the LOCALTIMESTAMP function in H2 database:

Example 1 - Fetching the current timestamp:​

SELECT LOCALTIMESTAMP AS current_timestamp;

Output:

current_timestamp
-------------------------
2022-09-01 14:30:45.123456

Example 2 - Using the current timestamp in a query:​

SELECT id, name, created_at
FROM users
WHERE created_at >= LOCALTIMESTAMP - INTERVAL '1' DAY;

Output:

id | name  |         created_at
---+-------+-----------------------------
1  | John  | 2022-08-31 09:15:30.987654
2  | Alice | 2022-09-01 11:00:00.123456