| 程序包 | 说明 |
|---|---|
| org.apache.flink.table.expressions | |
| org.apache.flink.table.functions |
| 限定符和类型 | 方法和说明 |
|---|---|
Optional<FunctionIdentifier> |
CallExpression.getFunctionIdentifier() |
| 限定符和类型 | 方法和说明 |
|---|---|
static CallExpression |
CallExpression.permanent(FunctionIdentifier functionIdentifier,
FunctionDefinition functionDefinition,
List<ResolvedExpression> args,
DataType dataType)
|
static CallExpression |
CallExpression.temporary(FunctionIdentifier functionIdentifier,
FunctionDefinition functionDefinition,
List<ResolvedExpression> args,
DataType dataType)
Creates a
CallExpression to a temporary function (potentially shadowing a Catalog function or providing a system function). |
| 构造器和说明 |
|---|
CallExpression(boolean isTemporary,
FunctionIdentifier functionIdentifier,
FunctionDefinition functionDefinition,
List<ResolvedExpression> args,
DataType dataType) |
CallExpression(FunctionIdentifier functionIdentifier,
FunctionDefinition functionDefinition,
List<ResolvedExpression> args,
DataType dataType)
|
| 限定符和类型 | 方法和说明 |
|---|---|
static FunctionIdentifier |
FunctionIdentifier.of(ObjectIdentifier oi) |
static FunctionIdentifier |
FunctionIdentifier.of(String functionName) |
Copyright © 2014–2022 The Apache Software Foundation. All rights reserved.