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Added support for creating forward or backward scrolling cursors support at run-time versus compile time. Default behavior will be determined by wxODBC_FWD_ONLY_CURSORS set in setup.h

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@4767 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
George Tasker
1999-11-29 19:20:53 +00:00
parent 0b72db08a7
commit a3439c7d16
4 changed files with 110 additions and 55 deletions
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7
include/wx/db.h
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@@ -328,6 +328,8 @@ private:
bool setConnectionOptions(void);
void logError(const char *errMsg, const char *SQLState);
bool fwdOnlyCursors;
public:
// The following structure contains database information gathered from the
@@ -393,7 +395,7 @@ public:
SqlTypeInfo typeInfVarchar, typeInfInteger, typeInfFloat, typeInfDate;
// Public member functions
wxDB(HENV &aHenv);
wxDB(HENV &aHenv, bool FwdOnlyCursors=(bool)wxODBC_FWD_ONLY_CURSORS);
bool Open(char *Dsn, char *Uid, char *AuthStr); // Data Source Name, User ID, Password
void Close(void);
bool CommitTrans(void);
@@ -423,6 +425,7 @@ public:
bool SqlLog(enum sqlLog state, const char *filename = "sqllog.txt", bool append = FALSE);
bool WriteSqlLog(const char *logMsg);
DBMS Dbms(void);
bool FwdOnlyCursors(void) {return fwdOnlyCursors;}
}; // wxDB
@@ -456,7 +459,7 @@ class CstructTablesInUse : public wxObject
// for other code segments to use, or close all of them when the application has
// completed.
wxDB WXDLLEXPORT *GetDbConnection(DbStuff *pDbStuff);
wxDB WXDLLEXPORT *GetDbConnection(DbStuff *pDbStuff, bool FwdOnlyCursors=(bool)wxODBC_FWD_ONLY_CURSORS);
bool WXDLLEXPORT FreeDbConnection(wxDB *pDb);
void WXDLLEXPORT CloseDbConnections(void);
int WXDLLEXPORT NumberDbConnectionsInUse(void);

14
include/wx/dbtable.h
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@@ -157,12 +157,14 @@ public:
bool QueryOnKeyFields(bool forUpdate = FALSE, bool distinct = FALSE);
bool GetNext(void) { return(getRec(SQL_FETCH_NEXT)); }
bool operator++(int) { return(getRec(SQL_FETCH_NEXT)); }
#if !wxODBC_FWD_ONLY_CURSORS
bool GetPrev(void) { return(getRec(SQL_FETCH_PRIOR)); }
bool operator--(int) { return(getRec(SQL_FETCH_PRIOR)); }
bool GetFirst(void) { return(getRec(SQL_FETCH_FIRST)); }
bool GetLast(void) { return(getRec(SQL_FETCH_LAST)); }
#endif
/***** 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);
bool IsColNull(int colNo);
UWORD GetRowNum(void);