duckdb::QueryNode Class Reference

Collaboration diagram for duckdb::QueryNode:

Public Member Functions
	QueryNode (QueryNodeType type)
virtual string	ToString () const =0
	Convert the query node to a string.
virtual bool	Equals (const QueryNode *other) const
virtual unique_ptr< QueryNode >	Copy () const =0
	Create a copy of this QueryNode.
string	ResultModifiersToString () const
void	AddDistinct ()
	Adds a distinct modifier to the query node.
virtual void	Serialize (Serializer &serializer) const
template<class TARGET >
TARGET &	Cast ()
template<class TARGET >
const TARGET &	Cast () const

Static Public Member Functions
static unique_ptr< QueryNode >	Deserialize (Deserializer &deserializer)

Public Attributes
QueryNodeType	type
	The type of the query node, either SetOperation or Select.
vector< unique_ptr< ResultModifier > >	modifiers
	The set of result modifiers associated with this query node.
CommonTableExpressionMap	cte_map
	CTEs (used by SelectNode and SetOperationNode)

Protected Member Functions
void	CopyProperties (QueryNode &other) const

Constructor & Destructor Documentation

QueryNode()

duckdb::QueryNode::QueryNode ( QueryNodeType  type )

inlineexplicit

                                           : type(type) {
    }

~QueryNode()

virtual duckdb::QueryNode::~QueryNode ( )

inlinevirtual

                         {
    }

Member Function Documentation

CopyProperties()

void duckdb::QueryNode::CopyProperties ( QueryNode &  other ) const

protected

Copy base QueryNode properties from another expression to this one, used in Copy method

Cast() [1/2]

template<class TARGET >

TARGET & duckdb::QueryNode::Cast ( )

inline

                   {
        if (type != TARGET::TYPE) {
            throw InternalException("Failed to cast query node to type - query node type mismatch");
        }
        return reinterpret_cast<TARGET &>(*this);
    }

Cast() [2/2]

template<class TARGET >

const TARGET & duckdb::QueryNode::Cast ( ) const

inline

                               {
        if (type != TARGET::TYPE) {
            throw InternalException("Failed to cast query node to type - query node type mismatch");
        }
        return reinterpret_cast<const TARGET &>(*this);
    }

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The documentation for this class was generated from the following file:

• external/duckdb/duckdb.hpp