SIGN (NoSQL query)

The SIGN function returns the positive (+1), zero (0), or negative (-1) sign of the specified numeric expression.

The SIGN function returns the sign of a numeric value in Azure Cosmos DB for NoSQL.

Syntax

SIGN(<numeric_expr>)

Arguments

Return types

Returns a numeric expression.

Examples

This section contains examples of how to use this query language construct.

Return sign of numbers

In this example, the SIGN function is used to return the sign of various numbers from -2 to 2.

SELECT VALUE {
  signNegativeTwo: SIGN(-2),
  signNegativeOne: SIGN(-1),
  signZero: SIGN(0),
  signOne: SIGN(1),
  signTwo: SIGN(2)
}

[
  {
    "signNegativeTwo": -1,
    "signNegativeOne": -1,
    "signZero": 0,
    "signOne": 1,
    "signTwo": 1
  }
]

Remarks

• This function doesn't utilize the index.