## Uses of Class
adql.query.constraint.IsNull

- Packages that use IsNull
  Package | Description
  --- | ---
  adql.parser |
  adql.query.constraint |
  adql.translator |

- - ### Uses of IsNull in adql.parser

    Methods in adql.parser that return IsNull
    Modifier and Type | Method | Description
    --- | --- | ---
    `IsNull` | ADQLQueryFactory.`createIsNull​(boolean notNull, ADQLColumn column)` |

  - ### Uses of IsNull in adql.query.constraint

    Constructors in adql.query.constraint with parameters of type IsNull
    Constructor | Description
    --- | ---
    `IsNull​(IsNull toCopy)` | Builds a IsNull constraint by copying the given one.

  - ### Uses of IsNull in adql.translator

    Methods in adql.translator with parameters of type IsNull
    Modifier and Type | Method | Description
    --- | --- | ---
    `java.lang.String` | ADQLTranslator.`translate​(IsNull isNull)` |
    `java.lang.String` | JDBCTranslator.`translate​(IsNull isNull)` |