min aggregate function

Applies to: Databricks SQL Databricks Runtime

Returns the minimum value of expr in a group.

Syntax

min(expr) [FILTER ( WHERE cond ) ]

This function can also be invoked as a window function using the OVER clause.

Arguments

• expr: An expression of any type that can be ordered.
• cond: An optional boolean expression filtering the rows used for aggregation.

Returns

The result type matches the type of the argument.

Notă

For certain STRING collations, such as UTF8_LCASE, the result may be non-deterministic.

Examples

SQL

> SELECT min(col) FROM VALUES (10), (50), (20) AS tab(col);
 10

-- The result is non-deterministic due to collation
> SELECT min(col COLLATE UTF8_LCASE) FROM VALUES ('a', 'A') AS tab(col);
 a (or A)

Related functions

• max aggregate function
• avg aggregate function
• max_by aggregate function
• min_by aggregate function
• mean aggregate function