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  1. Function reference
  2. Window functions
  3. RMIN

RMIN (window)

    Syntax

    RMIN( value [ , direction ] [ TOTAL | WITHIN ... | AMONG ... ] [ ORDER BY ... ] [ BEFORE FILTER BY ... ] )
    

    Description

    Returns the minimum of all values in a growing (or shrinking) window defined by the sort order and the value of direction:

    direction Window
    "asc" Starts from the first row and ends at the current row.
    "desc" Starts from the current row and ends at the last row.

    By default "asc" is used.

    Window functions with a similar behavior: RSUM, RCOUNT, RMAX, RAVG.

    See also MIN, MMIN.

    Argument types:

    • value — Boolean | Date | Datetime | Number | String | UUID
    • direction — String

    Return type: Same type as (value)

    Note

    Only constant values are accepted for arguments (direction).

    Warning

    The sorting order is based on the fields listed in the chart's sorting section and in the function's ORDER BY clause. First, ORDER BY fields are used, and then they are complemented by the fields from the chart.

    Examples

    RMIN([Profit])
    
    RMIN([Profit], "asc")
    
    RMIN([Profit] TOTAL)
    
    RMIN([Profit], "desc" WITHIN [Date])
    
    RMIN([Profit] AMONG [Date])
    

    Data source support

    Materialized Dataset, ClickHouse 1.1, Microsoft SQL Server 2017 (14.0), MySQL 5.6, Oracle Database 12c (12.1), PostgreSQL 9.3.

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