@Internal public class IfNullFunction extends BuiltInScalarFunction
BuiltInFunctionDefinitions.IF_NULL.| 构造器和说明 |
|---|
IfNullFunction(org.apache.flink.table.functions.SpecializedFunction.SpecializedContext context) |
| 限定符和类型 | 方法和说明 |
|---|---|
Object |
eval(Object input,
Object nullReplacement) |
getArgumentDataTypes, getOutputDataType, getRequirements, getTypeInference, isDeterministicCopyright © 2014–2022 The Apache Software Foundation. All rights reserved.