| //--------------------------------------------------------------------------- |
| // Greenplum Database |
| // Copyright (C) 2012 EMC Corp. |
| // |
| // @filename: |
| // CMappingElementColIdParamId.h |
| // |
| // @doc: |
| // Wrapper class providing functions for the mapping element between ColId |
| // and ParamId during DXL->PlStmt translation |
| // |
| // @test: |
| // |
| // |
| //--------------------------------------------------------------------------- |
| #ifndef GPDXL_CMappingElementColIdParamId_H |
| #define GPDXL_CMappingElementColIdParamId_H |
| |
| #include "gpos/base.h" |
| |
| #include "naucrates/md/IMDId.h" |
| |
| namespace gpdxl |
| { |
| using namespace gpos; |
| using namespace gpmd; |
| //--------------------------------------------------------------------------- |
| // @class: |
| // CMappingElementColIdParamId |
| // |
| // @doc: |
| // Wrapper class providing functions for the mapping element between |
| // ColId and ParamId during DXL->PlStmt translation |
| // |
| //--------------------------------------------------------------------------- |
| class CMappingElementColIdParamId : public CRefCount |
| { |
| private: |
| // column identifier that is used as the key |
| ULONG m_colid; |
| |
| // param identifier |
| ULONG m_paramid; |
| |
| // param type |
| IMDId *m_mdid; |
| |
| INT m_type_modifier; |
| |
| public: |
| // ctors and dtor |
| CMappingElementColIdParamId(ULONG colid, ULONG paramid, IMDId *mdid, |
| INT type_modifier); |
| |
| ~CMappingElementColIdParamId() override = default; |
| |
| // return the ColId |
| ULONG |
| GetColId() const |
| { |
| return m_colid; |
| } |
| |
| // return the ParamId |
| ULONG |
| ParamId() const |
| { |
| return m_paramid; |
| } |
| |
| // return the type |
| IMDId * |
| MdidType() const |
| { |
| return m_mdid; |
| } |
| |
| INT |
| TypeModifier() const |
| { |
| return m_type_modifier; |
| } |
| }; |
| } // namespace gpdxl |
| |
| #endif // GPDXL_CMappingElementColIdParamId_H |
| |
| // EOF |
