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https://github.com/MariaDB/server.git
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db0c28eff8
Find and fix missing virtual override markings. Updates cmake maintainer flags to include -Wsuggest-override and -Winconsistent-missing-override.
110 lines
3.9 KiB
C++
110 lines
3.9 KiB
C++
/**************** tdbvir H Declares Source Code File (.H) **************/
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/* Name: TDBVIR.H Version 1.1 */
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/* */
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/* (C) Copyright to the author Olivier BERTRAND 2006-2014 */
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/* */
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/* This file contains the VIR classes declare code. */
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/***********************************************************************/
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typedef class VIRDEF *PVIRDEF;
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typedef class TDBVIR *PTDBVIR;
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/***********************************************************************/
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/* Return the unique column definition to MariaDB. */
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/***********************************************************************/
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PQRYRES VirColumns(PGLOBAL g, bool info);
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/* --------------------------- VIR classes --------------------------- */
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/***********************************************************************/
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/* VIR: Virtual table used to select constant values. */
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/***********************************************************************/
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class DllExport VIRDEF : public TABDEF { /* Logical table description */
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public:
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// Constructor
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VIRDEF(void) = default;
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// Implementation
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const char *GetType(void) override {return "VIRTUAL";}
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// Methods
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bool DefineAM(PGLOBAL, LPCSTR, int) override {Pseudo = 3; return false;}
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int Indexable(void) override {return 3;}
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PTDB GetTable(PGLOBAL g, MODE m) override;
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protected:
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// Members
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}; // end of VIRDEF
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/***********************************************************************/
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/* This is the class declaration for the Virtual table. */
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/***********************************************************************/
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class DllExport TDBVIR : public TDBASE {
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public:
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// Constructors
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TDBVIR(PVIRDEF tdp);
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// Implementation
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AMT GetAmType(void) override {return TYPE_AM_VIR;}
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// Methods
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int GetRecpos(void) override {return N;}
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bool SetRecpos(PGLOBAL g, int recpos) override
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{N = recpos - 2; return false;}
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int RowNumber(PGLOBAL g, bool b = false) override {return N + 1;}
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int TestFilter(PFIL filp, bool nop);
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// Database routines
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PCOL MakeCol(PGLOBAL g, PCOLDEF cdp, PCOL cprec, int n) override;
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int Cardinality(PGLOBAL g) override {return (g) ? Size : 1;}
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int GetMaxSize(PGLOBAL g) override {return Size;}
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bool OpenDB(PGLOBAL g) override;
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int ReadDB(PGLOBAL g) override;
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int WriteDB(PGLOBAL g) override;
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int DeleteDB(PGLOBAL g, int irc) override;
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void CloseDB(PGLOBAL g) override {}
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protected:
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// Members
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int Size; // Table size
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int N; // The VIR table current position
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}; // end of class TDBVIR
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/***********************************************************************/
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/* Class VIRCOL: VIRTUAL access method column descriptor. */
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/***********************************************************************/
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class VIRCOL : public COLBLK {
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friend class TDBVIR;
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public:
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// Constructors
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VIRCOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i, PCSZ am = "VIRTUAL");
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// Implementation
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int GetAmType(void) override {return TYPE_AM_VIR;}
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// Methods
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void ReadColumn(PGLOBAL g) override;
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protected:
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// Default constructor not to be used
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VIRCOL(void) = default;
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// No additional members
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}; // end of class VIRCOL
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/***********************************************************************/
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/* This is the class declaration for the VIR column catalog table. */
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/***********************************************************************/
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class TDBVICL : public TDBCAT {
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public:
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// Constructor
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TDBVICL(PVIRDEF tdp) : TDBCAT(tdp) {}
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// Methods
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int Cardinality(PGLOBAL g) override {return 2;} // Avoid DBUG_ASSERT
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protected:
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// Specific routines
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PQRYRES GetResult(PGLOBAL g) override;
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// Members
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}; // end of class TDBVICL
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