X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f6bcfd974ef26faf6f91a62cac09827e09463fd1..85f138db83939ce7c59a942aaecca7fa98168db3:/include/wx/dbtable.h diff --git a/include/wx/dbtable.h b/include/wx/dbtable.h index 6f7e6866d5..a6b3bd34cb 100644 --- a/include/wx/dbtable.h +++ b/include/wx/dbtable.h @@ -3,19 +3,12 @@ // Purpose: Declaration of the wxDbTable class. // Author: Doug Card // Modified by: George Tasker +// Bart Jourquin +// Mark Johnson // Created: 9.96 // RCS-ID: $Id$ // Copyright: (c) 1996 Remstar International, Inc. -// Licence: wxWindows licence, plus: -// Notice: This class library and its intellectual design are free of charge for use, -// modification, enhancement, debugging under the following conditions: -// 1) These classes may only be used as part of the implementation of a -// wxWindows-based application -// 2) All enhancements and bug fixes are to be submitted back to the wxWindows -// user groups free of all charges for use with the wxWindows library. -// 3) These classes may not be distributed as part of any other class library, -// DLL, text (written or electronic), other than a complete distribution of -// the wxWindows GUI development toolkit. +// Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// /* @@ -26,28 +19,26 @@ #ifndef DBTABLE_DOT_H #define DBTABLE_DOT_H -// Use this line for wxWindows v1.x -//#include "wx_ver.h" -// Use this line for wxWindows v2.x #include "wx/version.h" -#if wxMAJOR_VERSION == 2 - #ifdef __GNUG__ - #pragma interface "dbtable.h" - #endif +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) + #pragma interface "dbtable.h" #endif -#if wxMAJOR_VERSION == 2 - #include "wx/db.h" -#else - #include "db.h" -#endif +#include "wx/db.h" + +#include "wx/variant.h" +#include "wx/dbkeyg.h" const int wxDB_ROWID_LEN = 24; // 18 is the max, 24 is in case it gets larger const int wxDB_DEFAULT_CURSOR = 0; const bool wxDB_QUERY_ONLY = TRUE; const bool wxDB_DISABLE_VIEW = TRUE; +// Used to indicate end of a variable length list of +// column numbers passed to member functions +const int wxDB_NO_MORE_COLUMN_NUMBERS = -1; + // The following class is used to define a column of a table. // The wxDbTable constructor will dynamically allocate as many of // these as there are columns in the table. The class derived @@ -56,12 +47,12 @@ const bool wxDB_DISABLE_VIEW = TRUE; // wxDbTable class which allows it to create a table in the data // source, exchange data between the data source and the C++ // object, and so on. -class WXDLLEXPORT wxDbColDef +class WXDLLIMPEXP_ODBC wxDbColDef { public: - char ColName[DB_MAX_COLUMN_NAME_LEN+1]; // Column Name + wxChar ColName[DB_MAX_COLUMN_NAME_LEN+1]; // Column Name int DbDataType; // Logical Data Type; e.g. DB_DATA_TYPE_INTEGER - int SqlCtype; // C data type; e.g. SQL_C_LONG + SWORD SqlCtype; // C data type; e.g. SQL_C_LONG void *PtrDataObj; // Address of the data object int SzDataObj; // Size, in bytes, of the data object bool KeyField; // TRUE if this column is part of the PRIMARY KEY to the table; Date fields should NOT be KeyFields. @@ -70,44 +61,55 @@ public: bool DerivedCol; // Specifies whether this column is a derived value SDWORD CbValue; // Internal use only!!! bool Null; // NOT FULLY IMPLEMENTED - Allows NULL values in Inserts and Updates + + wxDbColDef(); + + bool Initialize(); }; // wxDbColDef -class WXDLLEXPORT wxDbColDataPtr +class WXDLLIMPEXP_ODBC wxDbColDataPtr { public: void *PtrDataObj; int SzDataObj; - int SqlCtype; + SWORD SqlCtype; }; // wxDbColDataPtr // This structure is used when creating secondary indexes. -class WXDLLEXPORT wxDbIdxDef +class WXDLLIMPEXP_ODBC wxDbIdxDef { public: - char ColName[DB_MAX_COLUMN_NAME_LEN+1]; - bool Ascending; + wxChar ColName[DB_MAX_COLUMN_NAME_LEN+1]; + bool Ascending; }; // wxDbIdxDef -class WXDLLEXPORT wxDbTable +class WXDLLIMPEXP_ODBC wxDbTable { private: - ULONG tableID; // Used for debugging. This can help to match up mismatched constructors/destructors + ULONG tableID; // Used for debugging. This can help to match up mismatched constructors/destructors // Private member variables - UDWORD cursorType; - bool insertable; + UDWORD cursorType; + bool insertable; // Private member functions - bool bindInsertParams(void); - bool bindUpdateParams(void); - bool bindCols(HSTMT cursor); - bool getRec(UWORD fetchType); - bool execDelete(const char *pSqlStmt); - bool execUpdate(const char *pSqlStmt); - bool query(int queryType, bool forUpdate, bool distinct, const char *pSqlStmt = 0); + bool initialize(wxDb *pwxDb, const wxString &tblName, const UWORD numColumns, + const wxString &qryTblName, bool qryOnly, const wxString &tblPath); + void cleanup(); + + void setCbValueForColumn(int columnIndex); + bool bindParams(bool forUpdate); // called by the other 'bind' functions + bool bindInsertParams(void); + bool bindUpdateParams(void); + + bool bindCols(HSTMT cursor); + bool getRec(UWORD fetchType); + bool execDelete(const wxString &pSqlStmt); + bool execUpdate(const wxString &pSqlStmt); + bool query(int queryType, bool forUpdate, bool distinct, const wxString &pSqlStmt=wxEmptyString); #if !wxODBC_BACKWARD_COMPATABILITY // these were public @@ -134,10 +136,10 @@ private: wxDb *pDb; // Table Inf. - char tablePath[wxDB_PATH_MAX]; // needed for dBase tables - char tableName[DB_MAX_TABLE_NAME_LEN+1]; // Table name - char queryTableName[DB_MAX_TABLE_NAME_LEN+1]; // Query Table Name - int noCols; // # of columns in the table + wxString tablePath; // needed for dBase tables + wxString tableName; // Table name + wxString queryTableName; // Query Table Name + UWORD noCols; // # of columns in the table bool queryOnly; // Query Only, no inserts, updates or deletes // Column Definitions @@ -171,59 +173,73 @@ public: char tablePath[wxDB_PATH_MAX]; // needed for dBase tables char tableName[DB_MAX_TABLE_NAME_LEN+1]; // Table name char queryTableName[DB_MAX_TABLE_NAME_LEN+1]; // Query Table Name - int noCols; // # of columns in the table + UWORD noCols; // # of columns in the table bool queryOnly; // Query Only, no inserts, updates or deletes // Column Definitions wxDbColDef *colDefs; // Array of wxDbColDef structures #endif // Public member functions - wxDbTable(wxDb *pwxDb, const char *tblName, const int nCols, - const char *qryTblName = 0, bool qryOnly = !wxDB_QUERY_ONLY, const char *tblPath=NULL); + wxDbTable(wxDb *pwxDb, const wxString &tblName, const UWORD numColumns, + const wxString &qryTblName=wxEmptyString, bool qryOnly = !wxDB_QUERY_ONLY, + const wxString &tblPath=wxEmptyString); + + // DEPRECATED + wxDbTable(wxDb *pwxDb, const wxString &tblName, const UWORD numColumns, + const wxChar *qryTblName=wxEmptyString, bool qryOnly = !wxDB_QUERY_ONLY, + const wxString &tblPath=wxEmptyString); + virtual ~wxDbTable(); - bool Open(void); + bool Open(bool checkPrivileges=FALSE, bool checkTableExists=TRUE); bool CreateTable(bool attemptDrop=TRUE); bool DropTable(void); - bool CreateIndex(const char * idxName, bool unique, int noIdxCols, wxDbIdxDef *pIdxDefs, bool attemptDrop=TRUE); - bool DropIndex(const char * idxName); + bool CreateIndex(const wxString &idxName, bool unique, UWORD noIdxCols, + wxDbIdxDef *pIdxDefs, bool attemptDrop=TRUE); + bool DropIndex(const wxString &idxName); -// Accessors + // Accessors // The member variables returned by these accessors are all - // set when the wxDbTable instance is createand cannot be + // set when the wxDbTable instance is created and cannot be // changed, hence there is no corresponding SetXxxx function - wxDb *GetDb() { return pDb; } - const char *GetTableName() { return tableName; } - const char *GetQueryTableName() { return queryTableName; } - const char *GetTablePath() { return tablePath; } + wxDb *GetDb() { return pDb; } + const wxString &GetTableName() { return tableName; } + const wxString &GetQueryTableName() { return queryTableName; } + const wxString &GetTablePath() { return tablePath; } - int GetNumberOfColumns() { return noCols; } // number of "defined" columns for this wxDbTable instance - + UWORD GetNumberOfColumns() { return noCols; } // number of "defined" columns for this wxDbTable instance - const char *GetFromClause() { return from; } - const char *GetOrderByClause() { return orderBy; } - const char *GetWhereClause() { return where; } + const wxString &GetFromClause() { return from; } + const wxString &GetOrderByClause() { return orderBy; } + const wxString &GetWhereClause() { return where; } - bool IsQueryOnly() { return queryOnly; } + 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; } + 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; } - void SetWhereClause(const wxString& Where) { where = Where; } + 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 char *pSqlStmt); - bool UpdateWhere(const char *pWhereClause); + bool Update(const wxString &pSqlStmt); + bool UpdateWhere(const wxString &pWhereClause); bool Delete(void); - bool DeleteWhere(const char *pWhereClause); + bool DeleteWhere(const wxString &pWhereClause); bool DeleteMatching(void); virtual bool Query(bool forUpdate = FALSE, bool distinct = FALSE); - bool QueryBySqlStmt(const char *pSqlStmt); + bool QueryBySqlStmt(const wxString &pSqlStmt); bool QueryMatching(bool forUpdate = FALSE, bool distinct = FALSE); bool QueryOnKeyFields(bool forUpdate = FALSE, bool distinct = FALSE); bool Refresh(void); @@ -240,32 +256,42 @@ public: bool IsCursorClosedOnCommit(void); UWORD GetRowNum(void); - void BuildSelectStmt(char *pSqlStmt, int typeOfSelect, bool distinct); - void BuildDeleteStmt(char *pSqlStmt, int typeOfDel, const char *pWhereClause = 0); - void BuildUpdateStmt(char *pSqlStmt, int typeOfUpd, const char *pWhereClause = 0); - void BuildWhereClause(char *pWhereClause, int typeOfWhere, const char *qualTableName = 0, bool useLikeComparison=FALSE); + 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 typeOfUpd, const wxString &pWhereClause=wxEmptyString); + void BuildUpdateStmt(wxChar *pSqlStmt, int typeOfUpd, 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 = 0) + void GetDeleteStmt(char *pSqlStmt, int typeOfDel, const char *pWhereClause = NULL) { BuildDeleteStmt(pSqlStmt,typeOfDel,pWhereClause); } - void GetUpdateStmt(char *pSqlStmt, int typeOfUpd, const char *pWhereClause = 0) + void GetUpdateStmt(char *pSqlStmt, int typeOfUpd, const char *pWhereClause = NULL) { BuildUpdateStmt(pSqlStmt,typeOfUpd,pWhereClause); } void GetWhereClause(char *pWhereClause, int typeOfWhere, - const char *qualTableName = 0, bool useLikeComparison=FALSE) + const char *qualTableName = NULL, bool useLikeComparison=FALSE) { BuildWhereClause(pWhereClause,typeOfWhere,qualTableName,useLikeComparison); } #endif bool CanSelectForUpdate(void); bool CanUpdByROWID(void); - void ClearMemberVars(void); + void ClearMemberVar(UWORD colNo, bool setToNull=FALSE); + void ClearMemberVars(bool setToNull=FALSE); bool SetQueryTimeout(UDWORD nSeconds); wxDbColDef *GetColDefs() { return colDefs; } - void SetColDefs(int index, const char *fieldName, int dataType, void *pData, int cType, + void SetColDefs(UWORD index, const wxString &fieldName, int dataType, + void *pData, SWORD cType, int size, bool keyField = FALSE, bool upd = TRUE, bool insAllow = TRUE, bool derivedCol = FALSE); - wxDbColDataPtr *SetColDefs(wxDbColInf *colInfs, ULONG numCols); + wxDbColDataPtr *SetColDefs(wxDbColInf *colInfs, UWORD numCols); bool CloseCursor(HSTMT cursor); bool DeleteCursor(HSTMT *hstmtDel); @@ -277,17 +303,47 @@ public: HSTMT *NewCursor(bool setCursor = FALSE, bool bindColumns = TRUE) { return GetNewCursor(setCursor,bindColumns); } #endif - ULONG Count(const char *args="*"); + ULONG Count(const wxString &args=_T("*")); int DB_STATUS(void) { return(pDb->DB_STATUS); } - bool IsColNull(int colNo); - bool SetNull(int colNo); - bool SetNull(const char *colName); - + bool IsColNull(UWORD colNo) const; + bool SetColNull(UWORD colNo, 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 colNo, bool set=TRUE) { return (SetNull(colNo,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); + virtual wxVariant GetCol(const int colNo) const ; + virtual void SetCol(const int colNo, 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