AngersZhuuuu commented on a change in pull request #33518: URL: https://github.com/apache/spark/pull/33518#discussion_r677183164
########## File path: docs/sql-ref-datatypes.md ########## @@ -49,6 +49,37 @@ Spark SQL and DataFrames support the following data types: absolute point in time. - `DateType`: Represents values comprising values of fields year, month and day, without a time-zone. +* Interval types + - `YearMonthIntervalType(startField, endField)`: Represents a year-month interval which is made up of a contiguous subset of the following fields: + - MONTH, months within years `[0..11]`, + - YEAR, years in the range `[0..178956970]`. + + Individual interval fields are non-negative, but an interval itself can have a sign, and be negative. + + `startField` is the leftmost field, and `endField` is the rightmost field of the type. Valid values of `startField` and `endField` are 0(MONTH) and 1(YEAR). Supported year-month interval types are: + - `YearMonthIntervalType(YEAR, YEAR)` or `YearMonthIntervalType(YEAR)`. For instance, a value of the type is `INTERVAL '2021' YEAR`. + - `YearMonthIntervalType(YEAR, MONTH)`. For instance, a value of the type is `INTERVAL '2021-07' YEAR TO MONTH`. + - `YearMonthIntervalType(MONTH, MONTH)` or `YearMonthIntervalType(MONTH)`. For example, `INTERVAL '10' MONTH` is a value of the type. Review comment: > I think it would be better to convert the list to a table with table title. Looks better. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org