TO_START_OF_WEEK (Lakehouse v1)
Returns the first day of the week for a date or a date with time (timestamp/datetime).
The first day of a week can be Sunday or Monday, which is specified by the argument mode.
Analyze Syntax
Section titled “Analyze Syntax”func.to_start_of_week(<expr>)Analyze Examples
Section titled “Analyze Examples”func.to_start_of_week('2023-11-12 09:38:18.165575')
┌────────────────────────────────────────────────────────────────┐│ func.to_start_of_week('2023-11-12 09:38:18.165575') ││ Date │├────────────────────────────────────────────────────────────────┤│ 2023-11-12 │└────────────────────────────────────────────────────────────────┘SQL Syntax
Section titled “SQL Syntax”TO_START_OF_WEEK(<expr> [, mode])Arguments
Section titled “Arguments”| Arguments | Description |
|---|---|
<expr> | date/timestamp |
[mode] | Optional. If it is 0, the result is Sunday, otherwise, the result is Monday. The default value is 0 |
Return Type
Section titled “Return Type”DATE, returns date in “YYYY-MM-DD” format.
SQL Examples
Section titled “SQL Examples”SELECT to_start_of_week('2023-11-12 09:38:18.165575')
┌────────────────────────────────────────────────┐│ to_start_of_week('2023-11-12 09:38:18.165575') ││ Date │├────────────────────────────────────────────────┤│ 2023-11-12 │└────────────────────────────────────────────────┘