Variable.h

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#ifndef EXPR_VARIABLE_H
#define EXPR_VARIABLE_H
 
#include "expr/ExprNode.h"
#include "catalog/Schema.h"
 
namespace taco {
 
class Variable: public ExprNode {
public:
    static std::unique_ptr<Variable>
    Create(const Schema* schema, FieldId fid);
 
    ~Variable() override {}
 
    Datum Eval(const std::vector<NullableDatumRef>& record) const override;
 
    Datum Eval(const char* record) const override;
 
    void node_properties_to_string(std::string &buf, int indent) const override;
private:
    Variable(const Schema* schema, FieldId fid);
 
    const Schema* m_schema;
    FieldId m_fid;
};
 
};
 
#endif