STRINGTOARRAY (NoSQL query)

The STRINGTOARRAY function converts a string expression to an array.

An Azure Cosmos DB for NoSQL system function that returns a string expression converted to an array.

Syntax

STRINGTOARRAY(<string_expr>)

Arguments

Return types

Returns an array.

Examples

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

Convert string to array

In this example, the STRINGTOARRAY function is used to parse various string values into arrays.

SELECT VALUE {
  parseEmptyArray: STRINGTOARRAY("[]"),
  parseArray: STRINGTOARRAY('[ "coats", "gloves", "hats" ]'),
  complexArray: STRINGTOARRAY('[ { "types": [ "coats", "gloves" ] }, [ "hats" ], 76, false, null ]'),
  nestedArray: STRINGTOARRAY('[ [ "coats", "gloves" ], [ "hats" ] ]'),
  invalidArray: STRINGTOARRAY("[ 'coats', 'gloves', 'hats' ]"),
  parseUndefined: STRINGTOARRAY(undefined),
  parseNull: STRINGTOARRAY(null)
}

[
  {
    "parseEmptyArray": [],
    "parseArray": [ "coats", "gloves", "hats" ],
    "complexArray": [
      {
        "types": [ "coats", "gloves" ]
      },
      [ "hats" ],
      76,
      false,
      null
    ],
    "nestedArray": [
      [ "coats", "gloves" ],
      [ "hats" ]
    ]
  }
]

Remarks

• This function doesn't utilize the index.