MAX (NoSQL query)
APPLIES TO: NoSQL
Returns the maximum of the values in the expression.
Syntax
MAX(<scalar_expr>)
Arguments
Description | |
---|---|
scalar_expr |
A scalar expression. |
Return types
Returns a numeric scalar value.
Examples
This example uses a container with multiple items that each have a /price
numeric field.
[
{
"price": 71.76,
"name": "Iroowl bracelet",
"category": "activity-bracelet"
},
{
"price": 27.07,
"name": "Icenty bracelet",
"category": "activity-bracelet"
}
]
For this example, the MAX
function is used in a query that includes the numeric field that was mentioned.
SELECT
MAX(p.price) AS maxPrice
FROM
products p
WHERE
p.category = "activity-bracelet"
[
{
"maxPrice": 71.76
}
]
Remarks
- This function benefits from a range index.
- The arguments in
MAX
can be number, string, boolean, or null. - Any
undefined
values are ignored. - The following priority order is used (in descending order), when comparing different types of data:
- string
- number
- boolean
- null
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