#include "wx/db.h"
-const ROWID_LEN = 24; // 18 is the max, 24 is in case it gets larger
+const int ROWID_LEN = 24; // 18 is the max, 24 is in case it gets larger
// The following class is used to define a column of a table.
// The wxTable constructor will dynamically allocate as many of
// source, exchange data between the data source and the C++
// object, and so on.
-class CcolDef
+class WXDLLEXPORT 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
+class WXDLLEXPORT 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
+class WXDLLEXPORT wxTable
{
private:
// 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;
// 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)); }
+ virtual ~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);
+ 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
-