dbtable.h
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382 行
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#endif // WXWIN_COMPATIBILITY_2_4
virtual ~wxDbTable();
bool Open(bool checkPrivileges=false, bool checkTableExists=true);
bool CreateTable(bool attemptDrop=true);
bool DropTable(void);
bool CreateIndex(const wxString &indexName, bool unique, UWORD numIndexColumns,
wxDbIdxDef *pIndexDefs, bool attemptDrop=true);
bool DropIndex(const wxString &indexName);
// Accessors
// The member variables returned by these accessors are all
// set when the wxDbTable instance is created and cannot be
// changed, hence there is no corresponding SetXxxx function
wxDb *GetDb() { return pDb; }
const wxString &GetTableName() { return tableName; }
const wxString &GetQueryTableName() { return queryTableName; }
const wxString &GetTablePath() { return tablePath; }
UWORD GetNumberOfColumns() { return m_numCols; } // number of "defined" columns for this wxDbTable instance
const wxString &GetFromClause() { return from; }
const wxString &GetOrderByClause() { return orderBy; }
const wxString &GetWhereClause() { return where; }
bool IsQueryOnly() { return queryOnly; }
#if wxODBC_BACKWARD_COMPATABILITY
void SetFromClause(const char *From) { from = (char *)From; }
void SetOrderByClause(const char *OrderBy) { orderBy = (char *)OrderBy; }
void SetWhereClause(const char *Where) { where = (char *)Where; }
#else
void SetFromClause(const wxString &From) { from = From; }
void SetOrderByClause(const wxString &OrderBy) { orderBy = OrderBy; }
bool SetOrderByColNums(UWORD first, ...);
void SetWhereClause(const wxString &Where) { where = Where; }
void From(const wxString &From) { from = From; }
void OrderBy(const wxString &OrderBy) { orderBy = OrderBy; }
void Where(const wxString &Where) { where = Where; }
const wxString &Where() { return where; }
const wxString &OrderBy() { return orderBy; }
const wxString &From() { return from; }
#endif
int Insert(void);
bool Update(void);
bool Update(const wxString &pSqlStmt);
bool UpdateWhere(const wxString &pWhereClause);
bool Delete(void);
bool DeleteWhere(const wxString &pWhereClause);
bool DeleteMatching(void);
virtual bool Query(bool forUpdate = false, bool distinct = false);
bool QueryBySqlStmt(const wxString &pSqlStmt);
bool QueryMatching(bool forUpdate = false, bool distinct = false);
bool QueryOnKeyFields(bool forUpdate = false, bool distinct = false);
bool Refresh(void);
bool GetNext(void) { return(getRec(SQL_FETCH_NEXT)); }
bool operator++(int) { return(getRec(SQL_FETCH_NEXT)); }
/***** These four functions only work with wxDb instances that are defined *****
***** as not being FwdOnlyCursors *****/
bool GetPrev(void);
bool operator--(int);
bool GetFirst(void);
bool GetLast(void);
bool IsCursorClosedOnCommit(void);
UWORD GetRowNum(void);
void BuildSelectStmt(wxString &pSqlStmt, int typeOfSelect, bool distinct);
void BuildSelectStmt(wxChar *pSqlStmt, int typeOfSelect, bool distinct);
void BuildDeleteStmt(wxString &pSqlStmt, int typeOfDel, const wxString &pWhereClause=wxEmptyString);
void BuildDeleteStmt(wxChar *pSqlStmt, int typeOfDel, const wxString &pWhereClause=wxEmptyString);
void BuildUpdateStmt(wxString &pSqlStmt, int typeOfUpdate, const wxString &pWhereClause=wxEmptyString);
void BuildUpdateStmt(wxChar *pSqlStmt, int typeOfUpdate, const wxString &pWhereClause=wxEmptyString);
void BuildWhereClause(wxString &pWhereClause, int typeOfWhere, const wxString &qualTableName=wxEmptyString, bool useLikeComparison=false);
void BuildWhereClause(wxChar *pWhereClause, int typeOfWhere, const wxString &qualTableName=wxEmptyString, bool useLikeComparison=false);
#if wxODBC_BACKWARD_COMPATABILITY
// The following member functions are deprecated. You should use the BuildXxxxxStmt functions (above)
void GetSelectStmt(char *pSqlStmt, int typeOfSelect, bool distinct)
{ BuildSelectStmt(pSqlStmt,typeOfSelect,distinct); }
void GetDeleteStmt(char *pSqlStmt, int typeOfDel, const char *pWhereClause = NULL)
{ BuildDeleteStmt(pSqlStmt,typeOfDel,pWhereClause); }
void GetUpdateStmt(char *pSqlStmt, int typeOfUpdate, const char *pWhereClause = NULL)
{ BuildUpdateStmt(pSqlStmt,typeOfUpdate,pWhereClause); }
void GetWhereClause(char *pWhereClause, int typeOfWhere,
const char *qualTableName = NULL, bool useLikeComparison=false)
{ BuildWhereClause(pWhereClause,typeOfWhere,qualTableName,useLikeComparison); }
#endif
bool CanSelectForUpdate(void);
#if wxODBC_BACKWARD_COMPATABILITY
bool CanUpdByROWID(void) { return CanUpdateByRowID(); };
#endif
bool CanUpdateByROWID(void);
void ClearMemberVar(UWORD colNumber, bool setToNull=false);
void ClearMemberVars(bool setToNull=false);
bool SetQueryTimeout(UDWORD nSeconds);
wxDbColDef *GetColDefs() { return colDefs; }
bool SetColDefs(UWORD index, const wxString &fieldName, int dataType,
void *pData, SWORD cType,
int size, bool keyField = false, bool updateable = true,
bool insertAllowed = true, bool derivedColumn = false);
wxDbColDataPtr *SetColDefs(wxDbColInf *colInfs, UWORD numCols);
bool CloseCursor(HSTMT cursor);
bool DeleteCursor(HSTMT *hstmtDel);
void SetCursor(HSTMT *hstmtActivate = (void **) wxDB_DEFAULT_CURSOR);
HSTMT GetCursor(void) { return(hstmt); }
HSTMT *GetNewCursor(bool setCursor = false, bool bindColumns = true);
#if wxODBC_BACKWARD_COMPATABILITY
// The following member function is deprecated. You should use the GetNewCursor
HSTMT *NewCursor(bool setCursor = false, bool bindColumns = true) { return GetNewCursor(setCursor,bindColumns); }
#endif
ULONG Count(const wxString &args=_T("*"));
int DB_STATUS(void) { return(pDb->DB_STATUS); }
bool IsColNull(UWORD colNumber) const;
bool SetColNull(UWORD colNumber, bool set=true);
bool SetColNull(const wxString &colName, bool set=true);
#if wxODBC_BACKWARD_COMPATABILITY
// The following member functions are deprecated. You should use the SetColNull()
bool SetNull(int colNumber, bool set=true) { return (SetNull(colNumber,set)); }
bool SetNull(const char *colName, bool set=true) { return (SetNull(colName,set)); }
#endif
#ifdef __WXDEBUG__
ULONG GetTableID() { return tableID; }
#endif
//TODO: Need to Document
typedef enum { WX_ROW_MODE_QUERY , WX_ROW_MODE_INDIVIDUAL } rowmode_t;
virtual void SetRowMode(const rowmode_t rowmode);
#if wxODBC_BACKWARD_COMPATABILITY
virtual wxVariant GetCol(const int colNumber) const { return GetColumn(colNumber); };
virtual void SetCol(const int colNumber, const wxVariant value) { return SetColumn(colNumber, value); };
#endif
virtual wxVariant GetColumn(const int colNumber) const ;
virtual void SetColumn(const int colNumber, const wxVariant value);
virtual GenericKey GetKey(void);
virtual void SetKey(const GenericKey &key);
private:
HSTMT *m_hstmtGridQuery;
rowmode_t m_rowmode;
size_t m_keysize;
// typedef enum {unmodified=0, UpdatePending, InsertPending } recStatus;
// recStatus get_ModifiedStatus() { return m_recstatus; }
// void modify() {
// if (m_recstatus==unmodified)
// m_recstatus=UpdatePending;
// }
// protected:
// void insertify() {m_recstatus=InsertPending; }
// void unmodify() {m_recstatus=unmodified; }
// recStatus m_recstatus;
//TODO: Need to Document
}; // wxDbTable
// Change this to 0 to remove use of all deprecated functions
#if wxODBC_BACKWARD_COMPATABILITY
//#################################################################################
//############### DEPRECATED functions for backward compatibility #################
//#################################################################################
// Backward compability. These will eventually go away
typedef wxDbTable wxTable;
typedef wxDbIdxDef wxIdxDef;
typedef wxDbIdxDef CidxDef;
typedef wxDbColDef wxColDef;
typedef wxDbColDef CcolDef;
typedef wxDbColDataPtr wxColDataPtr;
typedef wxDbColDataPtr CcolDataPtr;
const int ROWID = wxDB_ROWID_LEN;
const int DEFAULT_CURSOR = wxDB_DEFAULT_CURSOR;
const bool QUERY_ONLY = wxDB_QUERY_ONLY;
const bool DISABLE_VIEW = wxDB_DISABLE_VIEW;
#endif
#endif
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