Class TableReferenceExpression
- java.lang.Object
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- org.apache.flink.table.expressions.TableReferenceExpression
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- All Implemented Interfaces:
org.apache.flink.table.expressions.Expression
,org.apache.flink.table.expressions.ResolvedExpression
@PublicEvolving public final class TableReferenceExpression extends Object implements org.apache.flink.table.expressions.ResolvedExpression
Expression that references another table.This is a pure API expression that is translated into uncorrelated sub-queries by the planner.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description <R> R
accept(org.apache.flink.table.expressions.ExpressionVisitor<R> visitor)
String
asSummaryString()
boolean
equals(Object o)
List<org.apache.flink.table.expressions.Expression>
getChildren()
String
getName()
org.apache.flink.table.types.DataType
getOutputDataType()
QueryOperation
getQueryOperation()
List<org.apache.flink.table.expressions.ResolvedExpression>
getResolvedChildren()
int
hashCode()
String
toString()
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Method Detail
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getName
public String getName()
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getQueryOperation
public QueryOperation getQueryOperation()
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getOutputDataType
public org.apache.flink.table.types.DataType getOutputDataType()
- Specified by:
getOutputDataType
in interfaceorg.apache.flink.table.expressions.ResolvedExpression
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getResolvedChildren
public List<org.apache.flink.table.expressions.ResolvedExpression> getResolvedChildren()
- Specified by:
getResolvedChildren
in interfaceorg.apache.flink.table.expressions.ResolvedExpression
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asSummaryString
public String asSummaryString()
- Specified by:
asSummaryString
in interfaceorg.apache.flink.table.expressions.Expression
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getChildren
public List<org.apache.flink.table.expressions.Expression> getChildren()
- Specified by:
getChildren
in interfaceorg.apache.flink.table.expressions.Expression
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accept
public <R> R accept(org.apache.flink.table.expressions.ExpressionVisitor<R> visitor)
- Specified by:
accept
in interfaceorg.apache.flink.table.expressions.Expression
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