# EQUALCOVER

The `EQUALCOVER` field specifier (case sensitive) allows you to find documents in which the values in all instances of a specified field are found in the set of numeric values provided in the specifier. In other words, the specifier must cover all instances of the field.

The values must be numeric. If you want to match string values, use MATCHCOVER.

NOTE: You can optimize the field specifier speed by restricting the field to the `NumericType` and `CountType` property types. You must specify both property types.

## Format

    FieldText=EQUALCOVER{yourValues}:yourField

`yourValues` | One or more numeric values. A document returns only if the value in each of its instances of `yourField` equals one of the values in `yourValues`. Separate the numbers with commas. There must be no space before or after a comma.
`yourField` | The name of the field to match against. A document returns only if: it contains one or more instances of the field and the value of each instance equals a value in `yourValues`. it does not contain the field at all.

## Example

    FieldText=EQUALCOVER{9,10,11,12}:GRADELEVEL

For a document to return as a result, its `GRADELEVEL` fields must have no values that are not in the specified list. For example, if a document includes a `GRADELEVEL` field with the value 8, it does not return.

(If a document has no `GRADELEVEL` field at all, it returns.)

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