Cast.h

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#ifndef CATALOG_SYSTABLES_Cast_H
#define CATALOG_SYSTABLES_Cast_H
 
namespace taco {
 
class SysTable_Cast {
public:
 
    constexpr Oid
    castfuncid() const {
        return m_castfuncid;
    }
 
    constexpr Oid
    castoprtypid() const {
        return m_castoprtypid;
    }
 
    constexpr Oid
    castrettypid() const {
        return m_castrettypid;
    }
 
    constexpr bool
    castisimplicit() const {
        return m_castisimplicit;
    }
 
 
 
private:
    SysTable_Cast(
        Oid castfuncid,
        Oid castoprtypid,
        Oid castrettypid,
        bool castisimplicit
 
    ):
    m_castfuncid((castfuncid)),
    m_castoprtypid((castoprtypid)),
    m_castrettypid((castrettypid)),
    m_castisimplicit((castisimplicit))
{}
 
    Oid m_castfuncid;
    Oid m_castoprtypid;
    Oid m_castrettypid;
    bool m_castisimplicit;
 
    std::vector<Datum> GetDatumVector() const;
 
    static SysTable_Cast *Create(const std::vector<Datum>&);
 
    SysTable_Cast(const SysTable_Cast&) = default;
    SysTable_Cast& operator=(const SysTable_Cast&) = default;
 
    friend class BootstrapCatCache;
    friend class CatCacheInternalAccess;
 
public:
    // The following are constants of the field ids in the systables.
    // These are mostly used by the catalog cache impl. to prevent accidental
    // misspelling of column names.
 
    inline static constexpr FieldId
    castfuncid_colid() {
        return 0;
    }
 
    inline static constexpr FieldId
    castoprtypid_colid() {
        return 1;
    }
 
    inline static constexpr FieldId
    castrettypid_colid() {
        return 2;
    }
 
    inline static constexpr FieldId
    castisimplicit_colid() {
        return 3;
    }
 
 
};
 
}        // namespace taco
 
#endif  // CATALOG_SYSTABLES_Cast_H