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ARRAY_CONTAINS (NoSQL query)

  • Článok

APPLIES TO: NoSQL

Returns a boolean indicating whether the array contains the specified value. You can check for a partial or full match of an object by using a boolean expression within the function.

Syntax

ARRAY_CONTAINS(<array_expr>, <expr> [, <bool_expr>])

Arguments

Description
arr_expr An array expression.
expr Expression to search for within the array.
bool_expr A boolean expression indicating whether the search should check for a partial match (true) or a full match (false). If not specified, the default value is false.

Return types

Returns a boolean value.

Examples

The following example illustrates how to check for specific values or objects in an array using this function.

SELECT VALUE {
    containsItem: ARRAY_CONTAINS(["coats", "jackets", "sweatshirts"], "coats"),
    missingItem: ARRAY_CONTAINS(["coats", "jackets", "sweatshirts"], "hoodies"),
    containsFullMatchObject: ARRAY_CONTAINS([{ category: "shirts", color: "blue" }], { category: "shirts", color: "blue" }),
    missingFullMatchObject: ARRAY_CONTAINS([{ category: "shirts", color: "blue" }], { category: "shirts" }),
    containsPartialMatchObject: ARRAY_CONTAINS([{ category: "shirts", color: "blue" }], { category: "shirts" }, true),
    missingPartialMatchObject: ARRAY_CONTAINS([{ category: "shirts", color: "blue" }], { category: "shorts", color: "blue" }, true)
}

[
  {
    "containsItem": true,
    "missingItem": false,
    "containsFullMatchObject": true,
    "missingFullMatchObject": false,
    "containsPartialMatchObject": true,
    "missingPartialMatchObject": false
  }
]

Remarks

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