Updated the Remstar ODBC files, got the db sample compiling; added Freq and SubString

to wxString


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@1283 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Julian Smart
1998-12-30 17:40:53 +00:00
parent aaa38880c4
commit 1fc5dd6f8e
13 changed files with 804 additions and 585 deletions

View File

@@ -5,6 +5,8 @@
// source such as opening and closing the data source.
// Author: Doug Card
// Modified by:
// Mods: Dec, 1998: Added support for SQL statement logging and database
// cataloging
// Created: 9.96
// RCS-ID: $Id$
// Copyright: (c) 1996 Remstar International, Inc.
@@ -18,6 +20,7 @@
// 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.
//
///////////////////////////////////////////////////////////////////////////////
/*
@@ -27,12 +30,12 @@
#ifndef DB_DOT_H
#define DB_DOT_H
#ifdef __GNUG__
#pragma interface "db.h"
#endif
#if defined(wx_msw) || defined(WIN32)
#if defined(__WXMSW__) || defined(WIN32)
#include <windows.h>
#endif
@@ -45,20 +48,6 @@ enum enumDummy {enumDum1};
#define SQL_C_BOOLEAN (sizeof(int) == 2 ? SQL_C_USHORT : SQL_C_ULONG)
#define SQL_C_ENUM (sizeof(enumDummy) == 2 ? SQL_C_USHORT : SQL_C_ULONG) //glt 2-21-97
/*
#ifndef Bool
#define Bool int
#endif
#ifndef TRUE
#define TRUE 1
#endif
#ifndef FALSE
#define FALSE 0
#endif
*/
// Database Globals
const DB_TYPE_NAME_LEN = 40;
const DB_MAX_STATEMENT_LEN = 2048;
@@ -224,15 +213,23 @@ public:
int sqlDataType;
};
enum sqlLog
{
sqlLogOFF,
sqlLogON
};
class wxDB
{
private:
// Private data
bool dbIsOpen;
char *dsn; // Data source name
char *uid; // User ID
char *authStr; // Authorization string (password)
bool dbIsOpen;
char *dsn; // Data source name
char *uid; // User ID
char *authStr; // Authorization string (password)
FILE *fpSqlLog; // Sql Log file pointer
enum sqlLog sqlLogState; // On or Off
// Private member functions
bool getDbInfo(void);
@@ -303,28 +300,31 @@ public:
// Public member functions
wxDB(HENV &aHenv);
bool Open(char *Dsn, char *Uid, char *AuthStr); // Data Source Name, User ID, Password
void Close(void);
bool CommitTrans(void);
bool RollbackTrans(void);
bool DispAllErrors(HENV aHenv, HDBC aHdbc = SQL_NULL_HDBC, HSTMT aHstmt = SQL_NULL_HSTMT);
bool GetNextError(HENV aHenv, HDBC aHdbc = SQL_NULL_HDBC, HSTMT aHstmt = SQL_NULL_HSTMT);
void DispNextError(void);
bool CreateView(char *viewName, char *colList, char *pSqlStmt);
bool ExecSql(char *pSqlStmt);
bool Grant(int privileges, char *tableName, char *userList = "PUBLIC");
int TranslateSqlState(char *SQLState);
CcolInf *GetColumns(char *tableName[]);
char *GetDatabaseName(void) {return dbInf.dbmsName;}
char *GetDataSource(void) {return dsn;}
char *GetUsername(void) {return uid;}
char *GetPassword(void) {return authStr;}
bool IsOpen(void) {return dbIsOpen;}
HENV GetHENV(void) {return henv;}
HDBC GetHDBC(void) {return hdbc;}
HSTMT GetHSTMT(void) {return hstmt;}
bool TableExists(char *tableName); // Table name can refer to a table, view, alias or synonym
void LogError(char *errMsg, char *SQLState = 0) {logError(errMsg, SQLState);}
bool Open(char *Dsn, char *Uid, char *AuthStr); // Data Source Name, User ID, Password
void Close(void);
bool CommitTrans(void);
bool RollbackTrans(void);
bool DispAllErrors(HENV aHenv, HDBC aHdbc = SQL_NULL_HDBC, HSTMT aHstmt = SQL_NULL_HSTMT);
bool GetNextError(HENV aHenv, HDBC aHdbc = SQL_NULL_HDBC, HSTMT aHstmt = SQL_NULL_HSTMT);
void DispNextError(void);
bool CreateView(char *viewName, char *colList, char *pSqlStmt);
bool ExecSql(char *pSqlStmt);
bool Grant(int privileges, char *tableName, char *userList = "PUBLIC");
int TranslateSqlState(char *SQLState);
bool Catalog(char *userID, char *fileName = "Catalog.txt");
CcolInf *GetColumns(char *tableName[]);
char *GetDatabaseName(void) {return dbInf.dbmsName;}
char *GetDataSource(void) {return dsn;}
char *GetUsername(void) {return uid;}
char *GetPassword(void) {return authStr;}
bool IsOpen(void) {return dbIsOpen;}
HENV GetHENV(void) {return henv;}
HDBC GetHDBC(void) {return hdbc;}
HSTMT GetHSTMT(void) {return hstmt;}
bool TableExists(char *tableName); // Table name can refer to a table, view, alias or synonym
void LogError(char *errMsg, char *SQLState = 0) {logError(errMsg, SQLState);}
bool SqlLog(enum sqlLog state, char *filename = "sqllog.txt", bool append = FALSE);
bool WriteSqlLog(char *logMsg);
}; // wxDB
@@ -359,4 +359,3 @@ bool GetDataSource(HENV henv, char *Dsn, SWORD DsnMax, char *DsDesc, SWORD DsDes
UWORD direction = SQL_FETCH_NEXT);
#endif

View File

@@ -46,24 +46,24 @@ const ROWID_LEN = 24; // 18 is the max, 24 is in case it gets larger
class CcolDef
{
public:
char ColName[DB_MAX_COLUMN_NAME_LEN+1]; // Column Name glt 4/19/97 added one for the null terminator
int DbDataType; // Logical Data Type; e.g. DB_DATA_TYPE_INTEGER
int 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.
bool Updateable; // Specifies whether this column is updateable
bool InsertAllowed; // Specifies whether this column should be included in an INSERT statement
bool DerivedCol; // Specifies whether this column is a derived value
SDWORD CbValue; // Internal use only!!!
char ColName[DB_MAX_COLUMN_NAME_LEN+1]; // Column Name glt 4/19/97 added one for the null terminator
int DbDataType; // Logical Data Type; e.g. DB_DATA_TYPE_INTEGER
int 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.
bool Updateable; // Specifies whether this column is updateable
bool InsertAllowed; // Specifies whether this column should be included in an INSERT statement
bool DerivedCol; // Specifies whether this column is a derived value
SDWORD CbValue; // Internal use only!!!
}; // CcolDef
// This structure is used when creating secondary indexes.
class CidxDef
{
public:
char ColName[DB_MAX_COLUMN_NAME_LEN+1]; // Column Name glt 4/19/97 added one for the null terminator
bool Ascending;
char ColName[DB_MAX_COLUMN_NAME_LEN+1]; // Column Name glt 4/19/97 added one for the null terminator
bool Ascending;
}; // CidxDef
class wxTable
@@ -106,9 +106,10 @@ public:
// Column Definitions
CcolDef *colDefs; // Array of CcolDef structures
// Where and Order By clauses
// Where, Order By and From clauses
char *where; // Standard SQL where clause, minus the word WHERE
char *orderBy; // Standard SQL order by clause, minus the ORDER BY
char *from; // Allows for joins in a Ctable::Query(). Format: ",tbl,tbl..."
// Flags
bool selectForUpdate;
@@ -116,50 +117,49 @@ public:
// Public member functions
wxTable(wxDB *pwxDB, const char *tblName, const int nCols, const char *qryTblName = 0);
~wxTable();
bool Open(void);
bool CreateTable(void);
bool CreateIndex(char * idxName, bool unique, int noIdxCols, CidxDef *pIdxDefs);
bool CloseCursor(HSTMT cursor);
int Insert(void);
bool Update(void);
bool Update(char *pSqlStmt);
bool UpdateWhere(char *pWhereClause);
bool Delete(void);
bool DeleteWhere(char *pWhereClause);
bool DeleteMatching(void);
bool Query(bool forUpdate = FALSE, bool distinct = FALSE);
bool QueryBySqlStmt(char *pSqlStmt);
bool QueryMatching(bool forUpdate = FALSE, bool distinct = FALSE);
bool QueryOnKeyFields(bool forUpdate = FALSE, bool distinct = FALSE);
bool GetNext(void) { return(getRec(SQL_FETCH_NEXT)); }
bool operator++(int) { return(getRec(SQL_FETCH_NEXT)); }
bool Open(void);
bool CreateTable(void);
bool CreateIndex(char * idxName, bool unique, int noIdxCols, CidxDef *pIdxDefs);
bool CloseCursor(HSTMT cursor);
int Insert(void);
bool Update(void);
bool Update(char *pSqlStmt);
bool UpdateWhere(char *pWhereClause);
bool Delete(void);
bool DeleteWhere(char *pWhereClause);
bool DeleteMatching(void);
virtual bool Query(bool forUpdate = FALSE, bool distinct = FALSE);
bool QueryBySqlStmt(char *pSqlStmt);
bool QueryMatching(bool forUpdate = FALSE, bool distinct = FALSE);
bool QueryOnKeyFields(bool forUpdate = FALSE, bool distinct = FALSE);
bool GetNext(void) { return(getRec(SQL_FETCH_NEXT)); }
bool operator++(int) { return(getRec(SQL_FETCH_NEXT)); }
#ifndef 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)); }
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
bool IsCursorClosedOnCommit(void);
bool IsColNull(int colNo);
UWORD GetRowNum(void);
void GetSelectStmt(char *pSqlStmt, int typeOfSelect, bool distinct);
void GetDeleteStmt(char *pSqlStmt, int typeOfDel, char *pWhereClause = 0);
void GetUpdateStmt(char *pSqlStmt, int typeOfUpd, char *pWhereClause = 0);
void GetWhereClause(char *pWhereClause, int typeOfWhere);
bool CanSelectForUpdate(void);
bool CanUpdByROWID(void);
void ClearMemberVars(void);
bool SetQueryTimeout(UDWORD nSeconds);
void SetColDefs (int index, char *fieldName, int dataType, void *pData, int cType,
int size, bool keyField = FALSE, bool upd = TRUE,
bool insAllow = TRUE, bool derivedCol = FALSE);
bool SetCursor(int cursorNo = DB_CURSOR0);
int GetCursor(void) { return(currCursorNo); }
ULONG Count(void);
int DB_STATUS(void) { return(pDb->DB_STATUS); }
bool Refresh(void);
bool IsCursorClosedOnCommit(void);
bool IsColNull(int colNo);
UWORD GetRowNum(void);
void GetSelectStmt(char *pSqlStmt, int typeOfSelect, bool distinct);
void GetDeleteStmt(char *pSqlStmt, int typeOfDel, char *pWhereClause = 0);
void GetUpdateStmt(char *pSqlStmt, int typeOfUpd, char *pWhereClause = 0);
void GetWhereClause(char *pWhereClause, int typeOfWhere, char *qualTableName = 0);
bool CanSelectForUpdate(void);
bool CanUpdByROWID(void);
void ClearMemberVars(void);
bool SetQueryTimeout(UDWORD nSeconds);
void SetColDefs (int index, char *fieldName, int dataType, void *pData, int cType,
int size, bool keyField = FALSE, bool upd = TRUE,
bool insAllow = TRUE, bool derivedCol = FALSE);
bool SetCursor(int cursorNo = DB_CURSOR0);
int GetCursor(void) { return(currCursorNo); }
ULONG Count(void);
int DB_STATUS(void) { return(pDb->DB_STATUS); }
bool Refresh(void);
}; // wxTable
#endif

View File

@@ -433,6 +433,11 @@ public:
nCount (or till the end if nCount = default value)
*/
wxString Mid(size_t nFirst, size_t nCount = STRING_MAXLEN) const;
/// Compatibility with wxWindows 1.xx
wxString SubString(size_t from, size_t to) const
{
return Mid(from, (to - from + 1));
}
/// get first nCount characters
wxString Left(size_t nCount) const;
/// get all characters before the first occurence of ch
@@ -547,6 +552,8 @@ public:
{ *this = str + *this; return *this; }
/// same as Len
size_t Length() const { return Len(); }
/// Count the number of characters
int Freq(char ch) const;
/// same as MakeLower
void LowerCase() { MakeLower(); }
/// same as MakeUpper