Column.h

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#ifndef CATALOG_SYSTABLES_Column_H
#define CATALOG_SYSTABLES_Column_H
 
namespace taco {
 
class SysTable_Column {
public:
 
    constexpr Oid
    coltabid() const {
        return m_coltabid;
    }
 
    constexpr int16_t
    colid() const {
        return m_colid;
    }
 
    constexpr bool
    colisarray() const {
        return m_colisarray;
    }
 
    constexpr bool
    colisnullable() const {
        return m_colisnullable;
    }
 
    constexpr Oid
    coltypid() const {
        return m_coltypid;
    }
 
    constexpr uint64_t
    coltypparam() const {
        return m_coltypparam;
    }
 
    constexpr const std::string&
    colname() const {
        return m_colname;
    }
 
 
 
private:
    SysTable_Column(
        Oid coltabid,
        int16_t colid,
        bool colisarray,
        bool colisnullable,
        Oid coltypid,
        uint64_t coltypparam,
        std::string colname
 
    ):
    m_coltabid((coltabid)),
    m_colid((colid)),
    m_colisarray((colisarray)),
    m_colisnullable((colisnullable)),
    m_coltypid((coltypid)),
    m_coltypparam((coltypparam)),
    m_colname(std::move(colname))
{}
 
    Oid m_coltabid;
    int16_t m_colid;
    bool m_colisarray;
    bool m_colisnullable;
    Oid m_coltypid;
    uint64_t m_coltypparam;
    std::string m_colname;
 
    std::vector<Datum> GetDatumVector() const;
 
    static SysTable_Column *Create(const std::vector<Datum>&);
 
    SysTable_Column(const SysTable_Column&) = default;
    SysTable_Column& operator=(const SysTable_Column&) = 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
    coltabid_colid() {
        return 0;
    }
 
    inline static constexpr FieldId
    colid_colid() {
        return 1;
    }
 
    inline static constexpr FieldId
    colisarray_colid() {
        return 2;
    }
 
    inline static constexpr FieldId
    colisnullable_colid() {
        return 3;
    }
 
    inline static constexpr FieldId
    coltypid_colid() {
        return 4;
    }
 
    inline static constexpr FieldId
    coltypparam_colid() {
        return 5;
    }
 
    inline static constexpr FieldId
    colname_colid() {
        return 6;
    }
 
 
};
 
}        // namespace taco
 
#endif  // CATALOG_SYSTABLES_Column_H