1998-07-28 05:43:44 -04:00
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///////////////////////////////////////////////////////////////////////////////
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1999-10-07 10:19:57 -04:00
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// Name: dbtable.h
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2000-07-15 15:51:35 -04:00
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// Purpose: Declaration of the wxDbTable class.
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1998-07-28 05:43:44 -04:00
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// Author: Doug Card
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2000-01-20 09:15:44 -05:00
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// Modified by: George Tasker
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2000-08-08 02:11:51 -04:00
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// Bart Jourquin
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// Mark Johnson
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1998-07-28 05:43:44 -04:00
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// Created: 9.96
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// RCS-ID: $Id$
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// Copyright: (c) 1996 Remstar International, Inc.
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// Licence: wxWindows licence, plus:
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// Notice: This class library and its intellectual design are free of charge for use,
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1998-07-28 05:43:44 -04:00
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// modification, enhancement, debugging under the following conditions:
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// 1) These classes may only be used as part of the implementation of a
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// wxWindows-based application
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// 2) All enhancements and bug fixes are to be submitted back to the wxWindows
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// user groups free of all charges for use with the wxWindows library.
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// 3) These classes may not be distributed as part of any other class library,
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// DLL, text (written or electronic), other than a complete distribution of
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// the wxWindows GUI development toolkit.
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///////////////////////////////////////////////////////////////////////////////
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/*
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// SYNOPSIS START
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// SYNOPSIS STOP
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*/
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1999-10-07 10:19:57 -04:00
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#ifndef DBTABLE_DOT_H
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#define DBTABLE_DOT_H
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1998-07-28 05:43:44 -04:00
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1999-10-07 10:19:57 -04:00
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#include "wx/version.h"
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2002-08-31 07:29:13 -04:00
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#if defined(__GNUG__) && !defined(__APPLE__)
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2001-06-10 13:07:23 -04:00
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#pragma interface "dbtable.h"
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#endif
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2001-06-10 13:07:23 -04:00
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#include "wx/db.h"
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#include "wx/variant.h"
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#include "wx/dbkeyg.h"
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const int wxDB_ROWID_LEN = 24; // 18 is the max, 24 is in case it gets larger
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const int wxDB_DEFAULT_CURSOR = 0;
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const bool wxDB_QUERY_ONLY = TRUE;
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const bool wxDB_DISABLE_VIEW = TRUE;
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1998-07-28 05:43:44 -04:00
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2000-11-24 11:43:36 -05:00
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// Used to indicate end of a variable length list of
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// column numbers passed to member functions
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const int wxDB_NO_MORE_COLUMN_NUMBERS = -1;
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1998-07-28 05:43:44 -04:00
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// The following class is used to define a column of a table.
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// The wxDbTable constructor will dynamically allocate as many of
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// these as there are columns in the table. The class derived
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// from wxDbTable must initialize these column definitions in it's
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// constructor. These column definitions provide inf. to the
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// wxDbTable class which allows it to create a table in the data
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// source, exchange data between the data source and the C++
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// object, and so on.
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class WXDLLIMPEXP_ODBC wxDbColDef
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{
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public:
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wxChar ColName[DB_MAX_COLUMN_NAME_LEN+1]; // Column Name
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int DbDataType; // Logical Data Type; e.g. DB_DATA_TYPE_INTEGER
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SWORD SqlCtype; // C data type; e.g. SQL_C_LONG
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void *PtrDataObj; // Address of the data object
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int SzDataObj; // Size, in bytes, of the data object
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bool KeyField; // TRUE if this column is part of the PRIMARY KEY to the table; Date fields should NOT be KeyFields.
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bool Updateable; // Specifies whether this column is updateable
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bool InsertAllowed; // Specifies whether this column should be included in an INSERT statement
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bool DerivedCol; // Specifies whether this column is a derived value
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SDWORD CbValue; // Internal use only!!!
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bool Null; // NOT FULLY IMPLEMENTED - Allows NULL values in Inserts and Updates
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wxDbColDef();
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bool Initialize();
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}; // wxDbColDef
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class WXDLLIMPEXP_ODBC wxDbColDataPtr
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{
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public:
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void *PtrDataObj;
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int SzDataObj;
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SWORD SqlCtype;
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}; // wxDbColDataPtr
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1998-07-28 05:43:44 -04:00
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// This structure is used when creating secondary indexes.
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class WXDLLIMPEXP_ODBC wxDbIdxDef
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{
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public:
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wxChar ColName[DB_MAX_COLUMN_NAME_LEN+1];
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bool Ascending;
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}; // wxDbIdxDef
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1998-07-28 05:43:44 -04:00
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class WXDLLIMPEXP_ODBC wxDbTable
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{
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private:
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ULONG tableID; // Used for debugging. This can help to match up mismatched constructors/destructors
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// Private member variables
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UDWORD cursorType;
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bool insertable;
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// Private member functions
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bool initialize(wxDb *pwxDb, const wxString &tblName, const UWORD numColumns,
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const wxString &qryTblName, bool qryOnly, const wxString &tblPath);
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void cleanup();
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bool bindParams(bool forUpdate); // called by the other 'bind' functions
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bool bindInsertParams(void);
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bool bindUpdateParams(void);
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2000-08-08 02:11:51 -04:00
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bool bindCols(HSTMT cursor);
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bool getRec(UWORD fetchType);
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bool execDelete(const wxString &pSqlStmt);
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bool execUpdate(const wxString &pSqlStmt);
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bool query(int queryType, bool forUpdate, bool distinct, const wxString &pSqlStmt=wxEmptyString);
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1998-07-28 05:43:44 -04:00
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2000-07-15 15:51:35 -04:00
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#if !wxODBC_BACKWARD_COMPATABILITY
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// these were public
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// Where, Order By and From clauses
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wxString where; // Standard SQL where clause, minus the word WHERE
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wxString orderBy; // Standard SQL order by clause, minus the ORDER BY
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wxString from; // Allows for joins in a wxDbTable::Query(). Format: ",tbl,tbl..."
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// ODBC Handles
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HENV henv; // ODBC Environment handle
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HDBC hdbc; // ODBC DB Connection handle
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HSTMT hstmt; // ODBC Statement handle
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HSTMT *hstmtDefault; // Default cursor
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HSTMT hstmtInsert; // ODBC Statement handle used specifically for inserts
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HSTMT hstmtDelete; // ODBC Statement handle used specifically for deletes
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HSTMT hstmtUpdate; // ODBC Statement handle used specifically for updates
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HSTMT hstmtInternal; // ODBC Statement handle used internally only
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HSTMT *hstmtCount; // ODBC Statement handle used by Count() function (No binding of columns)
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// Flags
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bool selectForUpdate;
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// Pointer to the database object this table belongs to
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wxDb *pDb;
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// Table Inf.
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wxString tablePath; // needed for dBase tables
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wxString tableName; // Table name
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wxString queryTableName; // Query Table Name
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UWORD noCols; // # of columns in the table
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bool queryOnly; // Query Only, no inserts, updates or deletes
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// Column Definitions
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wxDbColDef *colDefs; // Array of wxDbColDef structures
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#endif
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public:
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#if wxODBC_BACKWARD_COMPATABILITY
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// Where, Order By and From clauses
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char *where; // Standard SQL where clause, minus the word WHERE
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char *orderBy; // Standard SQL order by clause, minus the ORDER BY
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char *from; // Allows for joins in a wxDbTable::Query(). Format: ",tbl,tbl..."
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// ODBC Handles
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HENV henv; // ODBC Environment handle
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HDBC hdbc; // ODBC DB Connection handle
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HSTMT hstmt; // ODBC Statement handle
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HSTMT *hstmtDefault; // Default cursor
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HSTMT hstmtInsert; // ODBC Statement handle used specifically for inserts
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HSTMT hstmtDelete; // ODBC Statement handle used specifically for deletes
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HSTMT hstmtUpdate; // ODBC Statement handle used specifically for updates
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HSTMT hstmtInternal; // ODBC Statement handle used internally only
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HSTMT *hstmtCount; // ODBC Statement handle used by Count() function (No binding of columns)
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// Flags
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bool selectForUpdate;
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// Pointer to the database object this table belongs to
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wxDb *pDb;
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// Table Inf.
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char tablePath[wxDB_PATH_MAX]; // needed for dBase tables
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char tableName[DB_MAX_TABLE_NAME_LEN+1]; // Table name
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char queryTableName[DB_MAX_TABLE_NAME_LEN+1]; // Query Table Name
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UWORD noCols; // # of columns in the table
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bool queryOnly; // Query Only, no inserts, updates or deletes
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// Column Definitions
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wxDbColDef *colDefs; // Array of wxDbColDef structures
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#endif
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// Public member functions
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wxDbTable(wxDb *pwxDb, const wxString &tblName, const UWORD numColumns,
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const wxString &qryTblName="", bool qryOnly = !wxDB_QUERY_ONLY,
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const wxString &tblPath="");
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// DEPRECATED
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wxDbTable(wxDb *pwxDb, const wxString &tblName, const UWORD numColumns,
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const wxChar *qryTblName="", bool qryOnly = !wxDB_QUERY_ONLY,
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const wxString &tblPath="");
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virtual ~wxDbTable();
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bool Open(bool checkPrivileges=FALSE, bool checkTableExists=TRUE);
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bool CreateTable(bool attemptDrop=TRUE);
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bool DropTable(void);
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bool CreateIndex(const wxString &idxName, bool unique, UWORD noIdxCols,
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wxDbIdxDef *pIdxDefs, bool attemptDrop=TRUE);
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bool DropIndex(const wxString &idxName);
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2000-08-08 02:11:51 -04:00
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// Accessors
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// The member variables returned by these accessors are all
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// set when the wxDbTable instance is created and cannot be
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// changed, hence there is no corresponding SetXxxx function
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wxDb *GetDb() { return pDb; }
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const wxString &GetTableName() { return tableName; }
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const wxString &GetQueryTableName() { return queryTableName; }
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const wxString &GetTablePath() { return tablePath; }
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2001-04-11 10:11:02 -04:00
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UWORD GetNumberOfColumns() { return noCols; } // number of "defined" columns for this wxDbTable instance
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const wxString &GetFromClause() { return from; }
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const wxString &GetOrderByClause() { return orderBy; }
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const wxString &GetWhereClause() { return where; }
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bool IsQueryOnly() { return queryOnly; }
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#if wxODBC_BACKWARD_COMPATABILITY
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void SetFromClause(const char *From) { from = (char *)From; }
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void SetOrderByClause(const char *OrderBy) { orderBy = (char *)OrderBy; }
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void SetWhereClause(const char *Where) { where = (char *)Where; }
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#else
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void SetFromClause(const wxString &From) { from = From; }
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void SetOrderByClause(const wxString &OrderBy) { orderBy = OrderBy; }
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bool SetOrderByColNums(UWORD first, ...);
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void SetWhereClause(const wxString &Where) { where = Where; }
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void From(const wxString &From) { from = From; }
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void OrderBy(const wxString &OrderBy) { orderBy = OrderBy; }
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void Where(const wxString &Where) { where = Where; }
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const wxString &Where() { return where; }
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const wxString &OrderBy() { return orderBy; }
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const wxString &From() { return from; }
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#endif
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int Insert(void);
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bool Update(void);
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bool Update(const wxString &pSqlStmt);
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bool UpdateWhere(const wxString &pWhereClause);
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bool Delete(void);
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bool DeleteWhere(const wxString &pWhereClause);
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bool DeleteMatching(void);
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virtual bool Query(bool forUpdate = FALSE, bool distinct = FALSE);
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bool QueryBySqlStmt(const wxString &pSqlStmt);
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bool QueryMatching(bool forUpdate = FALSE, bool distinct = FALSE);
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bool QueryOnKeyFields(bool forUpdate = FALSE, bool distinct = FALSE);
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bool Refresh(void);
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bool GetNext(void) { return(getRec(SQL_FETCH_NEXT)); }
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bool operator++(int) { return(getRec(SQL_FETCH_NEXT)); }
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/***** These four functions only work with wxDb instances that are defined *****
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***** as not being FwdOnlyCursors *****/
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2000-07-15 15:51:35 -04:00
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bool GetPrev(void);
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bool operator--(int);
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bool GetFirst(void);
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bool GetLast(void);
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bool IsCursorClosedOnCommit(void);
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UWORD GetRowNum(void);
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2001-02-01 15:21:52 -05:00
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void BuildSelectStmt(wxString &pSqlStmt, int typeOfSelect, bool distinct);
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void BuildSelectStmt(wxChar *pSqlStmt, int typeOfSelect, bool distinct);
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void BuildDeleteStmt(wxString &pSqlStmt, int typeOfDel, const wxString &pWhereClause="");
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void BuildDeleteStmt(wxChar *pSqlStmt, int typeOfDel, const wxString &pWhereClause="");
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void BuildUpdateStmt(wxString &pSqlStmt, int typeOfUpd, const wxString &pWhereClause="");
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void BuildUpdateStmt(wxChar *pSqlStmt, int typeOfUpd, const wxString &pWhereClause="");
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2001-06-11 12:54:28 -04:00
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void BuildWhereClause(wxString &pWhereClause, int typeOfWhere, const wxString &qualTableName="", bool useLikeComparison=FALSE);
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void BuildWhereClause(wxChar *pWhereClause, int typeOfWhere, const wxString &qualTableName="", bool useLikeComparison=FALSE);
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2001-02-01 15:21:52 -05:00
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2000-07-15 15:51:35 -04:00
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#if wxODBC_BACKWARD_COMPATABILITY
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// The following member functions are deprecated. You should use the BuildXxxxxStmt functions (above)
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void GetSelectStmt(char *pSqlStmt, int typeOfSelect, bool distinct)
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{ BuildSelectStmt(pSqlStmt,typeOfSelect,distinct); }
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2000-11-24 11:43:36 -05:00
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void GetDeleteStmt(char *pSqlStmt, int typeOfDel, const char *pWhereClause = NULL)
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2000-07-15 15:51:35 -04:00
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{ BuildDeleteStmt(pSqlStmt,typeOfDel,pWhereClause); }
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2000-11-24 11:43:36 -05:00
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void GetUpdateStmt(char *pSqlStmt, int typeOfUpd, const char *pWhereClause = NULL)
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2000-07-15 15:51:35 -04:00
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{ BuildUpdateStmt(pSqlStmt,typeOfUpd,pWhereClause); }
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void GetWhereClause(char *pWhereClause, int typeOfWhere,
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2001-06-11 12:54:28 -04:00
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const char *qualTableName = NULL, bool useLikeComparison=FALSE)
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2000-07-15 15:51:35 -04:00
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{ BuildWhereClause(pWhereClause,typeOfWhere,qualTableName,useLikeComparison); }
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#endif
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bool CanSelectForUpdate(void);
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bool CanUpdByROWID(void);
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2001-06-11 12:54:28 -04:00
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void ClearMemberVar(UWORD colNo, bool setToNull=FALSE);
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void ClearMemberVars(bool setToNull=FALSE);
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2000-07-15 15:51:35 -04:00
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bool SetQueryTimeout(UDWORD nSeconds);
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wxDbColDef *GetColDefs() { return colDefs; }
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2001-04-15 09:06:01 -04:00
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void SetColDefs(UWORD index, const wxString &fieldName, int dataType,
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2001-04-11 10:11:02 -04:00
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void *pData, SWORD cType,
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2001-06-11 12:54:28 -04:00
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int size, bool keyField = FALSE, bool upd = TRUE,
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bool insAllow = TRUE, bool derivedCol = FALSE);
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2001-04-15 09:06:01 -04:00
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wxDbColDataPtr *SetColDefs(wxDbColInf *colInfs, UWORD numCols);
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2000-07-15 15:51:35 -04:00
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bool CloseCursor(HSTMT cursor);
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bool DeleteCursor(HSTMT *hstmtDel);
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void SetCursor(HSTMT *hstmtActivate = (void **) wxDB_DEFAULT_CURSOR);
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HSTMT GetCursor(void) { return(hstmt); }
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2001-06-11 12:54:28 -04:00
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HSTMT *GetNewCursor(bool setCursor = FALSE, bool bindColumns = TRUE);
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2000-07-15 15:51:35 -04:00
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#if wxODBC_BACKWARD_COMPATABILITY
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// The following member function is deprecated. You should use the GetNewCursor
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2001-06-11 12:54:28 -04:00
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HSTMT *NewCursor(bool setCursor = FALSE, bool bindColumns = TRUE) { return GetNewCursor(setCursor,bindColumns); }
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2000-07-15 15:51:35 -04:00
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#endif
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2001-02-01 15:21:52 -05:00
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ULONG Count(const wxString &args="*");
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2000-07-15 15:51:35 -04:00
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int DB_STATUS(void) { return(pDb->DB_STATUS); }
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2001-06-10 13:07:23 -04:00
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bool IsColNull(UWORD colNo) const;
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2001-06-11 12:54:28 -04:00
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bool SetColNull(UWORD colNo, bool set=TRUE);
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bool SetColNull(const wxString &colName, bool set=TRUE);
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2000-11-21 19:18:45 -05:00
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#if wxODBC_BACKWARD_COMPATABILITY
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// The following member functions are deprecated. You should use the SetColNull()
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2001-06-11 12:54:28 -04:00
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bool SetNull(int colNo, bool set=TRUE) { return (SetNull(colNo,set)); }
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bool SetNull(const char *colName, bool set=TRUE) { return (SetNull(colName,set)); }
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2000-11-21 19:18:45 -05:00
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#endif
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1999-11-08 16:14:50 -05:00
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#ifdef __WXDEBUG__
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2000-07-15 15:51:35 -04:00
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ULONG GetTableID() { return tableID; }
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1999-10-07 10:19:57 -04:00
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#endif
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1998-07-28 05:43:44 -04:00
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2001-06-10 13:07:23 -04:00
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//TODO: Need to Document
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typedef enum { WX_ROW_MODE_QUERY , WX_ROW_MODE_INDIVIDUAL } rowmode_t;
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virtual void SetRowMode(const rowmode_t rowmode);
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2001-11-22 19:39:21 -05:00
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virtual wxVariant GetCol(const int colNo) const ;
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virtual void SetCol(const int colNo, const wxVariant value);
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2001-06-10 13:07:23 -04:00
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virtual GenericKey GetKey(void);
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virtual void SetKey(const GenericKey &key);
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private:
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HSTMT *m_hstmtGridQuery;
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rowmode_t m_rowmode;
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size_t m_keysize;
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// typedef enum {unmodified=0, UpdatePending, InsertPending } recStatus;
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// recStatus get_ModifiedStatus() { return m_recstatus; }
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// void modify() {
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// if (m_recstatus==unmodified)
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// m_recstatus=UpdatePending;
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// }
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// protected:
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// void insertify() {m_recstatus=InsertPending; }
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// void unmodify() {m_recstatus=unmodified; }
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// recStatus m_recstatus;
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//TODO: Need to Document
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2000-07-15 15:51:35 -04:00
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}; // wxDbTable
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1998-07-28 05:43:44 -04:00
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2000-03-16 14:00:07 -05:00
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// Change this to 0 to remove use of all deprecated functions
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2000-07-15 15:51:35 -04:00
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#if wxODBC_BACKWARD_COMPATABILITY
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2000-03-16 14:00:07 -05:00
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//#################################################################################
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//############### DEPRECATED functions for backward compatability #################
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//#################################################################################
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// Backward compability. These will eventually go away
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2000-07-15 15:51:35 -04:00
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typedef wxDbTable wxTable;
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typedef wxDbIdxDef wxIdxDef;
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typedef wxDbIdxDef CidxDef;
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typedef wxDbColDef wxColDef;
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typedef wxDbColDef CcolDef;
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typedef wxDbColDataPtr wxColDataPtr;
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typedef wxDbColDataPtr CcolDataPtr;
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const int ROWID = wxDB_ROWID_LEN;
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const int DEFAULT_CURSOR = wxDB_DEFAULT_CURSOR;
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const bool QUERY_ONLY = wxDB_QUERY_ONLY;
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const bool DISABLE_VIEW = wxDB_DISABLE_VIEW;
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2000-03-16 14:00:07 -05:00
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#endif
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1998-07-28 05:43:44 -04:00
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#endif
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