| 程序包 | 说明 |
|---|---|
| org.apache.flink.table.functions |
| 限定符和类型 | 方法和说明 |
|---|---|
MethodHandle |
SpecializedFunction.ExpressionEvaluator.open(FunctionContext context)
Creates and initializes runtime implementation for expression evaluation.
|
void |
UserDefinedFunction.open(FunctionContext context)
Setup method for user-defined function.
|
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