Categories: Date/Time, Conversion

TO_DATE

Converts the input expressions to the corresponding date.

Syntax

TO_DATE(in timestamp) → date

• in: The date is extracted from the timestamp.

Examples

TO_DATE example

SELECT TO_DATE(TIMESTAMP '2022-05-17 19:15:00.000')
-- 2022-05-17

TO_DATE(numeric_expression int32) → date

• numeric_expression: A Unix epoch timestamp.

Examples

TO_DATE example

SELECT TO_DATE(1640131200)
-- 2021-12-22

TO_DATE(numeric_expression float) → date

• numeric_expression: A Unix epoch timestamp.

Examples

TO_DATE example

SELECT TO_DATE(1665131223.69)
-- 2022-10-07

TO_DATE(numeric_expression int64) → date

• numeric_expression: A Unix epoch timestamp.

Examples

TO_DATE example

SELECT TO_DATE(1640131200)
-- 2021-12-22

TO_DATE(string_expression varchar, format varchar, replaceErrorWithNull int32) → date

• string_expression: The string from which to extract the date.
• format: String to specify format of the date.
• replaceErrorWithNull: If 0, the function will fail when given malformed input. If 1, the function will return NULL when given the malformed input.

Examples

TO_DATE example

SELECT TO_DATE('2022-07-22.23', 'YYYY-MM-DD', 1)
-- NULL

TO_DATE(string_expression varchar, format varchar) → date

• string_expression: String from which to extract the date.
• format: String to specify format of the date.

Examples

TO_DATE example

SELECT TO_DATE('05/24/22', 'MM/DD/YY')
-- 2022-05-24

TO_DATE(numeric_expression double) → date

• numeric_expression: A Unix epoch timestamp.

Examples

TO_DATE example

SELECT TO_DATE(1665131223.69)
-- 2022-10-07