///////////////////////////////////////////////////////////////////////////////
-// Name: table.h
+// Name: dbtable.h
// Purpose: Declaration of the wxTable class.
// Author: Doug Card
// Modified by:
// SYNOPSIS STOP
*/
-#ifndef TABLE_DOT_H
-#define TABLE_DOT_H
+#ifndef DBTABLE_DOT_H
+#define DBTABLE_DOT_H
-#ifdef __GNUG__
-#pragma interface "dbtable.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
#endif
-#include "wx/db.h"
+#if wxMAJOR_VERSION == 2
+ #include "wx/db.h"
+#else
+ #include "db.h"
+#endif
-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
+const int DEFAULT_CURSOR = 0;
+const bool QUERY_ONLY = TRUE;
+const bool DISABLE_VIEW = TRUE;
// 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
+ 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!!!
+ bool Null; // NOT FULLY IMPLEMENTED - Allows NULL values in Inserts and Updates
}; // 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];
+ bool Ascending;
}; // CidxDef
-class wxTable
+class WXDLLEXPORT wxTable
{
private:
+ ULONG tableID; // Used for debugging. This can help to match up mismatched constructors/destructors
+
// Private member variables
- int currCursorNo;
+ UDWORD cursorType;
// Private member functions
bool bindInsertParams(void);
bool bindUpdateParams(void);
bool bindCols(HSTMT cursor);
bool getRec(UWORD fetchType);
- bool execDelete(char *pSqlStmt);
- bool execUpdate(char *pSqlStmt);
+ bool execDelete(const char *pSqlStmt);
+ bool execUpdate(const char *pSqlStmt);
bool query(int queryType, bool forUpdate, bool distinct, char *pSqlStmt = 0);
public:
HENV henv; // ODBC Environment handle
HDBC hdbc; // ODBC DB Connection handle
HSTMT hstmt; // ODBC Statement handle
-// HSTMT c0, c1, c2, c3, c4, c5; // Cursors 0 through 5
- HSTMT c0, c1, c2; // Limited to Cursors 0 through 2 for now
+ HSTMT *hstmtDefault; // Default cursor
HSTMT hstmtInsert; // ODBC Statement handle used specifically for inserts
HSTMT hstmtDelete; // ODBC Statement handle used specifically for deletes
HSTMT hstmtUpdate; // ODBC Statement handle used specifically for updates
- HSTMT hstmtCount; // ODBC Statement handle used specifically for COUNT(*)
+ HSTMT hstmtInternal; // ODBC Statement handle used internally only
+ HSTMT *hstmtCount; // ODBC Statement handle used by Count() function (No binding of columns)
// Table Inf.
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
+ bool queryOnly; // Query Only, no inserts, updates or deletes
+
+ char tablePath[DB_PATH_MAX]; // needed for dBase tables
// 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 wxTable::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)); }
-#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)); }
+ wxTable(wxDB *pwxDB, const char *tblName, const int nCols,
+ const char *qryTblName = 0, bool qryOnly = !QUERY_ONLY, const char *tblPath=NULL);
+ virtual ~wxTable();
+ bool Open(void);
+ bool CreateTable(bool attemptDrop=TRUE);
+ bool DropTable(void);
+ bool CreateIndex(const char * idxName, bool unique, int noIdxCols, CidxDef *pIdxDefs, bool attemptDrop=TRUE);
+ bool DropIndex(const char * idxName);
+ bool CloseCursor(HSTMT cursor);
+ int Insert(void);
+ bool Update(void);
+ bool Update(const char *pSqlStmt);
+ bool UpdateWhere(const char *pWhereClause);
+ bool Delete(void);
+ bool DeleteWhere(const 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)); }
+
+ /***** 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);
+ void GetSelectStmt(char *pSqlStmt, int typeOfSelect, bool distinct);
+ void GetDeleteStmt(char *pSqlStmt, int typeOfDel, const char *pWhereClause = 0);
+ void GetUpdateStmt(char *pSqlStmt, int typeOfUpd, const char *pWhereClause = 0);
+ void GetWhereClause(char *pWhereClause, int typeOfWhere, const char *qualTableName = 0);
+ bool CanSelectForUpdate(void);
+ bool CanUpdByROWID(void);
+ void ClearMemberVars(void);
+ bool SetQueryTimeout(UDWORD nSeconds);
+ void SetColDefs (int index, const char *fieldName, int dataType, void *pData, int cType,
+ int size, bool keyField = FALSE, bool upd = TRUE,
+ bool insAllow = TRUE, bool derivedCol = FALSE);
+ HSTMT *NewCursor(bool setCursor = FALSE, bool bindColumns = TRUE);
+ bool DeleteCursor(HSTMT *hstmtDel);
+ void SetCursor(HSTMT *hstmtActivate = (void **) DEFAULT_CURSOR);
+ HSTMT GetCursor(void) { return(hstmt); }
+ ULONG Count(const char *args="*");
+ int DB_STATUS(void) { return(pDb->DB_STATUS); }
+ bool Refresh(void);
+ bool SetNull(int colNo);
+ bool SetNull(const char *colName);
+
+#ifdef __WXDEBUG__
+ ULONG GetTableID() { return tableID; };
#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);
}; // wxTable
#endif
-
projects / wxWidgets.git / blobdiff