Modifier and Type | Method and Description |
---|---|
static Optional<DataType> |
extractDataType(Class<?> clazz)
Returns the clearly identifiable data type if possible.
|
public static Optional<DataType> extractDataType(Class<?> clazz)
Long
can be
expressed as DataTypes.BIGINT()
. However, for example, Row
cannot be extracted
as information about the fields is missing. Or BigDecimal
needs to be mapped from a
variable precision/scale to constant ones.Copyright © 2014–2020 The Apache Software Foundation. All rights reserved.