TO_START_OF_DAY (Lakehouse v1)
Rounds down a date with time (timestamp/datetime) to the start of the day.
Analyze Syntax
Section titled “Analyze Syntax”func.to_start_of_day(<expr>)Analyze Examples
Section titled “Analyze Examples”func.to_start_of_day('2023-11-12 09:38:18.165575')
┌────────────────────────────────────────────────────┐│ func.to_start_of_day('2023-11-12 09:38:18.165575') ││ Timestamp │├────────────────────────────────────────────────────┤│ 2023-11-12 00:00:00 │└────────────────────────────────────────────────────┘SQL Syntax
Section titled “SQL Syntax”TO_START_OF_DAY( <expr> )Arguments
Section titled “Arguments”| Arguments | Description |
|---|---|
<expr> | timestamp |
Return Type
Section titled “Return Type”TIMESTAMP, returns date in “YYYY-MM-DD hh:mm:ss.ffffff” format.
SQL Examples
Section titled “SQL Examples”SELECT to_start_of_day('2023-11-12 09:38:18.165575')
┌───────────────────────────────────────────────┐│ to_start_of_day('2023-11-12 09:38:18.165575') ││ Timestamp │├───────────────────────────────────────────────┤│ 2023-11-12 00:00:00 │└───────────────────────────────────────────────┘