Package io.prestosql.sql.tree
Class DereferenceExpression
- java.lang.Object
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- io.prestosql.sql.tree.Node
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- io.prestosql.sql.tree.Expression
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- io.prestosql.sql.tree.DereferenceExpression
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public class DereferenceExpression extends Expression
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Constructor Summary
Constructors Constructor Description DereferenceExpression(Expression base, Identifier field)DereferenceExpression(NodeLocation location, Expression base, Identifier field)
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description <R,C>
Raccept(AstVisitor<R,C> visitor, C context)Accessible forAstVisitor, useAstVisitor.process(Node, Object)instead.booleanequals(java.lang.Object o)static Expressionfrom(QualifiedName name)ExpressiongetBase()java.util.List<Node>getChildren()IdentifiergetField()static QualifiedNamegetQualifiedName(DereferenceExpression expression)If this DereferenceExpression looks like a QualifiedName, return QualifiedName.inthashCode()-
Methods inherited from class io.prestosql.sql.tree.Expression
toString
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Methods inherited from class io.prestosql.sql.tree.Node
getLocation
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Constructor Detail
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DereferenceExpression
public DereferenceExpression(Expression base, Identifier field)
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DereferenceExpression
public DereferenceExpression(NodeLocation location, Expression base, Identifier field)
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Method Detail
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accept
public <R,C> R accept(AstVisitor<R,C> visitor, C context)
Description copied from class:ExpressionAccessible forAstVisitor, useAstVisitor.process(Node, Object)instead.- Overrides:
acceptin classExpression
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getChildren
public java.util.List<Node> getChildren()
- Specified by:
getChildrenin classNode
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getBase
public Expression getBase()
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getField
public Identifier getField()
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getQualifiedName
public static QualifiedName getQualifiedName(DereferenceExpression expression)
If this DereferenceExpression looks like a QualifiedName, return QualifiedName. Otherwise return null
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from
public static Expression from(QualifiedName name)
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