///////////////////////////////////////////////////////////////////////////////
// Name: dbtable.cpp
-// Purpose: Implementation of the wxTable class.
+// Purpose: Implementation of the wxDbTable class.
// Author: Doug Card
-// Modified by:
+// Modified by: George Tasker
+// Bart Jourquin
+// Mark Johnson
// Created: 9.96
// RCS-ID: $Id$
// Copyright: (c) 1996 Remstar International, Inc.
// Licence: wxWindows licence, plus:
-// Notice: This class library and its intellectual design are free of charge for use,
+// Notice: This class library and its intellectual design are free of charge for use,
// modification, enhancement, debugging under the following conditions:
// 1) These classes may only be used as part of the implementation of a
// wxWindows-based application
// the wxWindows GUI development toolkit.
///////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
-#pragma implementation "dbtable.h"
-#endif
-
/*
// SYNOPSIS START
// SYNOPSIS STOP
*/
-/*
-#ifdef _CONSOLE
- #include <iostream.h>
+// Use this line for wxWindows v1.x
+//#include "wx_ver.h"
+// Use this line for wxWindows v2.x
+#include "wx/wxprec.h"
+#include "wx/version.h"
+
+#if wxMAJOR_VERSION == 2
+ #ifdef __GNUG__
+ #pragma implementation "dbtable.h"
+ #endif
+#endif
+
+#ifdef DBDEBUG_CONSOLE
+ #include "wx/ioswrap.h"
#endif
-*/
-#include "wx/wxprec.h"
#ifdef __BORLANDC__
- #pragma hdrstop
+ #pragma hdrstop
#endif //__BORLANDC__
-#ifndef WX_PRECOMP
- #include <wx/wx.h>
-#endif //WX_PRECOMP
+#if wxMAJOR_VERSION == 2
+ #ifndef WX_PRECOMP
+ #include "wx/string.h"
+ #include "wx/object.h"
+ #include "wx/list.h"
+ #include "wx/utils.h"
+ #include "wx/msgdlg.h"
+ #include "wx/log.h"
+ #endif
+ #include "wx/filefn.h"
+#endif
+
+#if wxMAJOR_VERSION == 1
+# if defined(wx_msw) || defined(wx_x)
+# ifdef WX_PRECOMP
+# include "wx_prec.h"
+# else
+# include "wx.h"
+# endif
+# endif
+# define wxUSE_ODBC 1
+#endif
-#if wxUSE_ODBC
-#include <wx/dbtable.h>
+#if wxUSE_ODBC
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
+#if wxMAJOR_VERSION == 1
+ #include "table.h"
+#elif wxMAJOR_VERSION == 2
+ #include "wx/dbtable.h"
+#endif
+
#ifdef __UNIX__
// The HPUX preprocessor lines below were commented out on 8/20/97
// because macros.h currently redefines DEBUG and is unneeded.
# endif
#endif
-/********** wxTable::wxTable() **********/
-wxTable::wxTable(wxDB *pwxDB, const char *tblName, const int nCols, const char *qryTblName)
+ULONG lastTableID = 0;
+
+
+#ifdef __WXDEBUG__
+ wxList TablesInUse;
+#endif
+
+
+/********** wxDbTable::wxDbTable() **********/
+wxDbTable::wxDbTable(wxDb *pwxDb, const char *tblName, const int nCols,
+ const char *qryTblName, bool qryOnly, const char *tblPath)
{
- // Assign member variables
- pDb = pwxDB; // Pointer to the wxDB object
-
- strcpy(tableName, tblName); // Table Name
- if (qryTblName) // Name of the table/view to query
- strcpy(queryTableName, qryTblName);
- else
- strcpy(queryTableName, tblName);
-
- assert(pDb); // Assert is placed after table name is assigned for error reporting reasons
- if (!pDb)
- return;
-
- noCols = nCols; // No. of cols in the table
- where = 0; // Where clause
- orderBy = 0; // Order By clause
- from = 0; // From clause
- selectForUpdate = FALSE; // SELECT ... FOR UPDATE; Indicates whether to include the FOR UPDATE phrase
-
- // Grab the HENV and HDBC from the wxDB object
- henv = pDb->henv;
- hdbc = pDb->hdbc;
-
- // Allocate space for column definitions
- if (noCols)
- colDefs = new CcolDef[noCols]; // Points to the first column defintion
- else
- colDefs = 0;
-
- // Allocate statement handles for the table
- if (SQLAllocStmt(hdbc, &c0) != SQL_SUCCESS)
- pDb->DispAllErrors(henv, hdbc);
- if (SQLAllocStmt(hdbc, &c1) != SQL_SUCCESS)
- pDb->DispAllErrors(henv, hdbc);
- if (SQLAllocStmt(hdbc, &c2) != SQL_SUCCESS)
- pDb->DispAllErrors(henv, hdbc);
-// if (SQLAllocStmt(hdbc, &c3) != SQL_SUCCESS)
-// pDb->DispAllErrors(henv, hdbc);
-// if (SQLAllocStmt(hdbc, &c4) != SQL_SUCCESS)
-// pDb->DispAllErrors(henv, hdbc);
-// if (SQLAllocStmt(hdbc, &c5) != SQL_SUCCESS)
-// pDb->DispAllErrors(henv, hdbc);
- // Allocate a separate statement handle for performing inserts
- if (SQLAllocStmt(hdbc, &hstmtInsert) != SQL_SUCCESS)
- pDb->DispAllErrors(henv, hdbc);
- // Allocate a separate statement handle for performing deletes
- if (SQLAllocStmt(hdbc, &hstmtDelete) != SQL_SUCCESS)
- pDb->DispAllErrors(henv, hdbc);
- // Allocate a separate statement handle for performing updates
- if (SQLAllocStmt(hdbc, &hstmtUpdate) != SQL_SUCCESS)
- pDb->DispAllErrors(henv, hdbc);
- // Allocate a separate statement handle for performing count(*) function
- if (SQLAllocStmt(hdbc, &hstmtCount) != SQL_SUCCESS)
- pDb->DispAllErrors(henv, hdbc);
-
- // Set the cursor type for the statement handles
- UDWORD cursorType = SQL_CURSOR_STATIC;
- if (SQLSetStmtOption(c1, SQL_CURSOR_TYPE, cursorType) != SQL_SUCCESS)
- {
- // Check to see if cursor type is supported
- pDb->GetNextError(henv, hdbc, c1);
- if (! strcmp(pDb->sqlState, "01S02")) // Option Value Changed
- {
- // Datasource does not support static cursors. Driver
- // will substitute a cursor type. Call SQLGetStmtOption()
- // to determine which cursor type was selected.
- if (SQLGetStmtOption(c1, SQL_CURSOR_TYPE, (UCHAR*) &cursorType) != SQL_SUCCESS)
- pDb->DispAllErrors(henv, hdbc, c1);
-#ifdef _CONSOLE
- cout << "Static cursor changed to: ";
- switch(cursorType)
- {
- case SQL_CURSOR_FORWARD_ONLY:
- cout << "Forward Only"; break;
- case SQL_CURSOR_STATIC:
- cout << "Static"; break;
- case SQL_CURSOR_KEYSET_DRIVEN:
- cout << "Keyset Driven"; break;
- case SQL_CURSOR_DYNAMIC:
- cout << "Dynamic"; break;
- }
- cout << endl << endl;
+ pDb = pwxDb; // Pointer to the wxDb object
+ henv = 0;
+ hdbc = 0;
+ hstmt = 0;
+ hstmtDefault = 0; // Initialized below
+ hstmtCount = 0; // Initialized first time it is needed
+ hstmtInsert = 0;
+ hstmtDelete = 0;
+ hstmtUpdate = 0;
+ hstmtInternal = 0;
+ colDefs = 0;
+ tableID = 0;
+ noCols = nCols; // No. of cols in the table
+ where = ""; // Where clause
+ orderBy = ""; // Order By clause
+ from = ""; // From clause
+ selectForUpdate = FALSE; // SELECT ... FOR UPDATE; Indicates whether to include the FOR UPDATE phrase
+ queryOnly = qryOnly;
+ insertable = TRUE;
+ wxStrcpy(tablePath,"");
+ wxStrcpy(tableName,"");
+ wxStrcpy(queryTableName,"");
+
+ assert (tblName);
+
+ wxStrcpy(tableName, tblName); // Table Name
+ if (tblPath)
+ wxStrcpy(tablePath, tblPath); // Table Path - used for dBase files
+ else
+ tablePath[0] = 0;
+
+ if (qryTblName) // Name of the table/view to query
+ wxStrcpy(queryTableName, qryTblName);
+ else
+ wxStrcpy(queryTableName, tblName);
+
+ if (!pDb)
+ return;
+
+ pDb->incrementTableCount();
+
+ wxString s;
+ tableID = ++lastTableID;
+ s.sprintf("wxDbTable constructor (%-20s) tableID:[%6lu] pDb:[%p]", tblName,tableID,pDb);
+
+#ifdef __WXDEBUG__
+ wxTablesInUse *tableInUse;
+ tableInUse = new wxTablesInUse();
+ tableInUse->tableName = tblName;
+ tableInUse->tableID = tableID;
+ tableInUse->pDb = pDb;
+ TablesInUse.Append(tableInUse);
#endif
- }
- else
- {
- pDb->DispNextError();
- pDb->DispAllErrors(henv, hdbc, c1);
- }
- }
-#ifdef _CONSOLE
- else
- cout << "Cursor Type set to STATIC" << endl << endl;
+
+ pDb->WriteSqlLog(s.c_str());
+
+ // Grab the HENV and HDBC from the wxDb object
+ henv = pDb->GetHENV();
+ hdbc = pDb->GetHDBC();
+
+ // Allocate space for column definitions
+ if (noCols)
+ colDefs = new wxDbColDef[noCols]; // Points to the first column defintion
+
+ // Allocate statement handles for the table
+ if (!queryOnly)
+ {
+ // Allocate a separate statement handle for performing inserts
+ if (SQLAllocStmt(hdbc, &hstmtInsert) != SQL_SUCCESS)
+ pDb->DispAllErrors(henv, hdbc);
+ // Allocate a separate statement handle for performing deletes
+ if (SQLAllocStmt(hdbc, &hstmtDelete) != SQL_SUCCESS)
+ pDb->DispAllErrors(henv, hdbc);
+ // Allocate a separate statement handle for performing updates
+ if (SQLAllocStmt(hdbc, &hstmtUpdate) != SQL_SUCCESS)
+ pDb->DispAllErrors(henv, hdbc);
+ }
+ // Allocate a separate statement handle for internal use
+ if (SQLAllocStmt(hdbc, &hstmtInternal) != SQL_SUCCESS)
+ pDb->DispAllErrors(henv, hdbc);
+
+ // Set the cursor type for the statement handles
+ cursorType = SQL_CURSOR_STATIC;
+
+ if (SQLSetStmtOption(hstmtInternal, SQL_CURSOR_TYPE, cursorType) != SQL_SUCCESS)
+ {
+ // Check to see if cursor type is supported
+ pDb->GetNextError(henv, hdbc, hstmtInternal);
+ if (! wxStrcmp(pDb->sqlState, "01S02")) // Option Value Changed
+ {
+ // Datasource does not support static cursors. Driver
+ // will substitute a cursor type. Call SQLGetStmtOption()
+ // to determine which cursor type was selected.
+ if (SQLGetStmtOption(hstmtInternal, SQL_CURSOR_TYPE, &cursorType) != SQL_SUCCESS)
+ pDb->DispAllErrors(henv, hdbc, hstmtInternal);
+#ifdef DBDEBUG_CONSOLE
+ cout << "Static cursor changed to: ";
+ switch(cursorType)
+ {
+ case SQL_CURSOR_FORWARD_ONLY:
+ cout << "Forward Only";
+ break;
+ case SQL_CURSOR_STATIC:
+ cout << "Static";
+ break;
+ case SQL_CURSOR_KEYSET_DRIVEN:
+ cout << "Keyset Driven";
+ break;
+ case SQL_CURSOR_DYNAMIC:
+ cout << "Dynamic";
+ break;
+ }
+ cout << endl << endl;
#endif
+ // BJO20000425
+ if (pDb->FwdOnlyCursors() && cursorType != SQL_CURSOR_FORWARD_ONLY)
+ {
+ // Force the use of a forward only cursor...
+ cursorType = SQL_CURSOR_FORWARD_ONLY;
+ if (SQLSetStmtOption(hstmtInternal, SQL_CURSOR_TYPE, cursorType) != SQL_SUCCESS)
+ {
+ // Should never happen
+ pDb->GetNextError(henv, hdbc, hstmtInternal);
+ return;
+ }
+ }
+ }
+ else
+ {
+ pDb->DispNextError();
+ pDb->DispAllErrors(henv, hdbc, hstmtInternal);
+ }
+ }
+#ifdef DBDEBUG_CONSOLE
+ else
+ cout << "Cursor Type set to STATIC" << endl << endl;
+#endif
+
+ if (!queryOnly)
+ {
+ // Set the cursor type for the INSERT statement handle
+ if (SQLSetStmtOption(hstmtInsert, SQL_CURSOR_TYPE, SQL_CURSOR_FORWARD_ONLY) != SQL_SUCCESS)
+ pDb->DispAllErrors(henv, hdbc, hstmtInsert);
+ // Set the cursor type for the DELETE statement handle
+ if (SQLSetStmtOption(hstmtDelete, SQL_CURSOR_TYPE, SQL_CURSOR_FORWARD_ONLY) != SQL_SUCCESS)
+ pDb->DispAllErrors(henv, hdbc, hstmtDelete);
+ // Set the cursor type for the UPDATE statement handle
+ if (SQLSetStmtOption(hstmtUpdate, SQL_CURSOR_TYPE, SQL_CURSOR_FORWARD_ONLY) != SQL_SUCCESS)
+ pDb->DispAllErrors(henv, hdbc, hstmtUpdate);
+ }
+
+ // Make the default cursor the active cursor
+ hstmtDefault = GetNewCursor(FALSE,FALSE);
+ assert(hstmtDefault);
+ hstmt = *hstmtDefault;
+
+} // wxDbTable::wxDbTable()
+
+
+/********** wxDbTable::~wxDbTable() **********/
+wxDbTable::~wxDbTable()
+{
+ wxString s;
+ if (pDb)
+ {
+ s.sprintf("wxDbTable destructor (%-20s) tableID:[%6lu] pDb:[%p]", tableName,tableID,pDb);
+ pDb->WriteSqlLog(s.c_str());
+ }
+
+#ifdef __WXDEBUG__
+ if (tableID)
+ {
+ TablesInUse.DeleteContents(TRUE);
+ bool found = FALSE;
+
+ wxNode *pNode;
+ pNode = TablesInUse.First();
+ while (pNode && !found)
+ {
+ if (((wxTablesInUse *)pNode->Data())->tableID == tableID)
+ {
+ found = TRUE;
+ if (!TablesInUse.DeleteNode(pNode))
+ wxLogDebug (s.c_str(),wxT("Unable to delete node!"));
+ }
+ else
+ pNode = pNode->Next();
+ }
+ if (!found)
+ {
+ wxString msg;
+ msg.sprintf(wxT("Unable to find the tableID in the linked\nlist of tables in use.\n\n%s"),s.c_str());
+ wxLogDebug (msg.c_str(),wxT("NOTICE..."));
+ }
+ }
+#endif
+
+ // Decrement the wxDb table count
+ if (pDb)
+ pDb->decrementTableCount();
+
+ // Delete memory allocated for column definitions
+ if (colDefs)
+ delete [] colDefs;
+
+ // Free statement handles
+ if (!queryOnly)
+ {
+ if (hstmtInsert)
+ if (SQLFreeStmt(hstmtInsert, SQL_DROP) != SQL_SUCCESS)
+ pDb->DispAllErrors(henv, hdbc);
+
+ if (hstmtDelete)
+ if (SQLFreeStmt(hstmtDelete, SQL_DROP) != SQL_SUCCESS)
+
+ if (hstmtUpdate)
+ if (SQLFreeStmt(hstmtUpdate, SQL_DROP) != SQL_SUCCESS)
+ pDb->DispAllErrors(henv, hdbc);
+ }
+
+ if (hstmtInternal)
+ if (SQLFreeStmt(hstmtInternal, SQL_DROP) != SQL_SUCCESS)
+ pDb->DispAllErrors(henv, hdbc);
+
+ // Delete dynamically allocated cursors
+ if (hstmtDefault)
+ DeleteCursor(hstmtDefault);
+
+ if (hstmtCount)
+ DeleteCursor(hstmtCount);
- if (SQLSetStmtOption(c0, SQL_CURSOR_TYPE, cursorType) != SQL_SUCCESS)
- pDb->DispAllErrors(henv, hdbc, c0);
- if (SQLSetStmtOption(c2, SQL_CURSOR_TYPE, cursorType) != SQL_SUCCESS)
- pDb->DispAllErrors(henv, hdbc, c2);
-// if (SQLSetStmtOption(c3, SQL_CURSOR_TYPE, cursorType) != SQL_SUCCESS)
-// pDb->DispAllErrors(henv, hdbc, c3);
-// if (SQLSetStmtOption(c4, SQL_CURSOR_TYPE, cursorType) != SQL_SUCCESS)
-// pDb->DispAllErrors(henv, hdbc, c4);
-// if (SQLSetStmtOption(c5, SQL_CURSOR_TYPE, cursorType) != SQL_SUCCESS)
-// pDb->DispAllErrors(henv, hdbc, c5);
-
- // Set the cursor type for the INSERT statement handle
- if (SQLSetStmtOption(hstmtInsert, SQL_CURSOR_TYPE, SQL_CURSOR_FORWARD_ONLY) != SQL_SUCCESS)
- pDb->DispAllErrors(henv, hdbc, hstmtInsert);
- // Set the cursor type for the DELETE statement handle
- if (SQLSetStmtOption(hstmtDelete, SQL_CURSOR_TYPE, SQL_CURSOR_FORWARD_ONLY) != SQL_SUCCESS)
- pDb->DispAllErrors(henv, hdbc, hstmtDelete);
- // Set the cursor type for the UPDATE statement handle
- if (SQLSetStmtOption(hstmtUpdate, SQL_CURSOR_TYPE, SQL_CURSOR_FORWARD_ONLY) != SQL_SUCCESS)
- pDb->DispAllErrors(henv, hdbc, hstmtUpdate);
- // Set the cursor type for the COUNT(*) statement handle
- if (SQLSetStmtOption(hstmtCount, SQL_CURSOR_TYPE, SQL_CURSOR_FORWARD_ONLY) != SQL_SUCCESS)
- pDb->DispAllErrors(henv, hdbc, hstmtCount);
-
- // Copy cursor 1 to the default cursor
- hstmt = c1;
- currCursorNo = DB_CURSOR1;
-
-} // wxTable::wxTable()
-
-/********** wxTable::~wxTable() **********/
-wxTable::~wxTable()
+} // wxDbTable::~wxDbTable()
+
+
+
+/***************************** PRIVATE FUNCTIONS *****************************/
+
+
+
+/********** wxDbTable::bindInsertParams() **********/
+bool wxDbTable::bindInsertParams(void)
+{
+ assert(!queryOnly);
+ if (queryOnly)
+ return(FALSE);
+
+ SWORD fSqlType = 0;
+ UDWORD precision = 0;
+ SWORD scale = 0;
+
+ // Bind each column (that can be inserted) of the table to a parameter marker
+ int i,colNo;
+ for (i = 0, colNo = 1; i < noCols; i++)
+ {
+ if (! colDefs[i].InsertAllowed)
+ continue;
+ switch(colDefs[i].DbDataType)
+ {
+ case DB_DATA_TYPE_VARCHAR:
+ fSqlType = pDb->GetTypeInfVarchar().FsqlType;
+ precision = colDefs[i].SzDataObj;
+ scale = 0;
+ if (colDefs[i].Null)
+ colDefs[i].CbValue = SQL_NULL_DATA;
+ else
+ colDefs[i].CbValue = SQL_NTS;
+ break;
+ case DB_DATA_TYPE_INTEGER:
+ fSqlType = pDb->GetTypeInfInteger().FsqlType;
+ precision = pDb->GetTypeInfInteger().Precision;
+ scale = 0;
+ if (colDefs[i].Null)
+ colDefs[i].CbValue = SQL_NULL_DATA;
+ else
+ colDefs[i].CbValue = 0;
+ break;
+ case DB_DATA_TYPE_FLOAT:
+ fSqlType = pDb->GetTypeInfFloat().FsqlType;
+ precision = pDb->GetTypeInfFloat().Precision;
+ scale = pDb->GetTypeInfFloat().MaximumScale;
+ // SQL Sybase Anywhere v5.5 returned a negative number for the
+ // MaxScale. This caused ODBC to kick out an error on ibscale.
+ // I check for this here and set the scale = precision.
+ //if (scale < 0)
+ // scale = (short) precision;
+ if (colDefs[i].Null)
+ colDefs[i].CbValue = SQL_NULL_DATA;
+ else
+ colDefs[i].CbValue = 0;
+ break;
+ case DB_DATA_TYPE_DATE:
+ fSqlType = pDb->GetTypeInfDate().FsqlType;
+ precision = pDb->GetTypeInfDate().Precision;
+ scale = 0;
+ if (colDefs[i].Null)
+ colDefs[i].CbValue = SQL_NULL_DATA;
+ else
+ colDefs[i].CbValue = 0;
+ break;
+ }
+ // Null values
+//RG-NULL
+//RG-NULL if (colDefs[i].Null)
+//RG-NULL {
+//RG-NULL colDefs[i].CbValue = SQL_NULL_DATA;
+//RG-NULL colDefs[i].Null = FALSE;
+//RG-NULL }
+
+ if (SQLBindParameter(hstmtInsert, colNo++, SQL_PARAM_INPUT, colDefs[i].SqlCtype,
+ fSqlType, precision, scale, (UCHAR*) colDefs[i].PtrDataObj,
+ precision+1,&colDefs[i].CbValue) != SQL_SUCCESS)
+ {
+ return(pDb->DispAllErrors(henv, hdbc, hstmtInsert));
+ }
+ }
+
+ // Completed successfully
+ return(TRUE);
+
+} // wxDbTable::bindInsertParams()
+
+
+/********** wxDbTable::bindUpdateParams() **********/
+bool wxDbTable::bindUpdateParams(void)
+{
+ assert(!queryOnly);
+ if (queryOnly)
+ return(FALSE);
+
+ SWORD fSqlType = 0;
+ UDWORD precision = 0;
+ SWORD scale = 0;
+
+ // Bind each UPDATEABLE column of the table to a parameter marker
+ int i,colNo;
+ for (i = 0, colNo = 1; i < noCols; i++)
+ {
+ if (! colDefs[i].Updateable)
+ continue;
+ switch(colDefs[i].DbDataType)
+ {
+ case DB_DATA_TYPE_VARCHAR:
+ fSqlType = pDb->GetTypeInfVarchar().FsqlType;
+ precision = colDefs[i].SzDataObj;
+ scale = 0;
+ if (colDefs[i].Null)
+ colDefs[i].CbValue = SQL_NULL_DATA;
+ else
+ colDefs[i].CbValue = SQL_NTS;
+ break;
+ case DB_DATA_TYPE_INTEGER:
+ fSqlType = pDb->GetTypeInfInteger().FsqlType;
+ precision = pDb->GetTypeInfInteger().Precision;
+ scale = 0;
+ if (colDefs[i].Null)
+ colDefs[i].CbValue = SQL_NULL_DATA;
+ else
+ colDefs[i].CbValue = 0;
+ break;
+ case DB_DATA_TYPE_FLOAT:
+ fSqlType = pDb->GetTypeInfFloat().FsqlType;
+ precision = pDb->GetTypeInfFloat().Precision;
+ scale = pDb->GetTypeInfFloat().MaximumScale;
+ // SQL Sybase Anywhere v5.5 returned a negative number for the
+ // MaxScale. This caused ODBC to kick out an error on ibscale.
+ // I check for this here and set the scale = precision.
+ //if (scale < 0)
+ // scale = (short) precision;
+ if (colDefs[i].Null)
+ colDefs[i].CbValue = SQL_NULL_DATA;
+ else
+ colDefs[i].CbValue = 0;
+ break;
+ case DB_DATA_TYPE_DATE:
+ fSqlType = pDb->GetTypeInfDate().FsqlType;
+ precision = pDb->GetTypeInfDate().Precision;
+ scale = 0;
+ if (colDefs[i].Null)
+ colDefs[i].CbValue = SQL_NULL_DATA;
+ else
+ colDefs[i].CbValue = 0;
+ break;
+ }
+
+ if (SQLBindParameter(hstmtUpdate, colNo++, SQL_PARAM_INPUT, colDefs[i].SqlCtype,
+ fSqlType, precision, scale, (UCHAR*) colDefs[i].PtrDataObj,
+ precision+1, &colDefs[i].CbValue) != SQL_SUCCESS)
+ {
+ return(pDb->DispAllErrors(henv, hdbc, hstmtUpdate));
+ }
+ }
+
+ // Completed successfully
+ return(TRUE);
+
+} // wxDbTable::bindUpdateParams()
+
+
+/********** wxDbTable::bindCols() **********/
+bool wxDbTable::bindCols(HSTMT cursor)
{
- // Delete memory allocated for column definitions
- if (colDefs)
- delete [] colDefs;
-
- // Free statement handles
- if (SQLFreeStmt(c0, SQL_DROP) != SQL_SUCCESS)
- pDb->DispAllErrors(henv, hdbc);
- if (SQLFreeStmt(c1, SQL_DROP) != SQL_SUCCESS)
- pDb->DispAllErrors(henv, hdbc);
- if (SQLFreeStmt(c2, SQL_DROP) != SQL_SUCCESS)
- pDb->DispAllErrors(henv, hdbc);
-// if (SQLFreeStmt(c3, SQL_DROP) != SQL_SUCCESS)
-// pDb->DispAllErrors(henv, hdbc);
-// if (SQLFreeStmt(c4, SQL_DROP) != SQL_SUCCESS)
-// pDb->DispAllErrors(henv, hdbc);
-// if (SQLFreeStmt(c5, SQL_DROP) != SQL_SUCCESS)
-// pDb->DispAllErrors(henv, hdbc);
- if (SQLFreeStmt(hstmtInsert, SQL_DROP) != SQL_SUCCESS)
- pDb->DispAllErrors(henv, hdbc);
- if (SQLFreeStmt(hstmtDelete, SQL_DROP) != SQL_SUCCESS)
- pDb->DispAllErrors(henv, hdbc);
- if (SQLFreeStmt(hstmtUpdate, SQL_DROP) != SQL_SUCCESS)
- pDb->DispAllErrors(henv, hdbc);
- if (SQLFreeStmt(hstmtCount, SQL_DROP) != SQL_SUCCESS)
- pDb->DispAllErrors(henv, hdbc);
-
-} // wxTable::~wxTable()
-
-/********** wxTable::Open() **********/
-bool wxTable::Open(void)
+//RG-NULL static SDWORD cb;
+
+ // Bind each column of the table to a memory address for fetching data
+ int i;
+ for (i = 0; i < noCols; i++)
+ {
+ if (SQLBindCol(cursor, i+1, colDefs[i].SqlCtype, (UCHAR*) colDefs[i].PtrDataObj,
+//RG-NULL colDefs[i].SzDataObj, &cb) != SQL_SUCCESS)
+ colDefs[i].SzDataObj, &colDefs[i].CbValue ) != SQL_SUCCESS)
+ {
+ return (pDb->DispAllErrors(henv, hdbc, cursor));
+ }
+ }
+
+ // Completed successfully
+ return(TRUE);
+
+} // wxDbTable::bindCols()
+
+
+/********** wxDbTable::getRec() **********/
+bool wxDbTable::getRec(UWORD fetchType)
{
- if (!pDb)
- return FALSE;
-
- int i;
- char sqlStmt[DB_MAX_STATEMENT_LEN];
-
- // Verify that the table exists in the database
- if (!pDb->TableExists(tableName))
- {
- char s[128];
- sprintf(s, "Error opening '%s', table/view does not exist in the database.", tableName);
- pDb->LogError(s);
- return(FALSE);
- }
-
- // Bind the member variables for field exchange between
- // the wxTable object and the ODBC record.
- if(! bindInsertParams()) // Inserts
- return(FALSE);
- if(! bindUpdateParams()) // Updates
- return(FALSE);
- if(! bindCols(c0)) // Selects
- return(FALSE);
- if(! bindCols(c1))
- return(FALSE);
- if(! bindCols(c2))
- return(FALSE);
-// if(! bindCols(c3))
-// return(FALSE);
-// if(! bindCols(c4))
-// return(FALSE);
-// if(! bindCols(c5))
-// return(FALSE);
-
- // Build an insert statement using parameter markers
- if (noCols > 0)
- {
- bool needComma = FALSE;
- sprintf(sqlStmt, "INSERT INTO %s (", tableName);
- for (i = 0; i < noCols; i++)
- {
- if (! colDefs[i].InsertAllowed)
- continue;
- if (needComma)
- strcat(sqlStmt, ",");
- strcat(sqlStmt, colDefs[i].ColName);
- needComma = TRUE;
- }
- needComma = FALSE;
- strcat(sqlStmt, ") VALUES (");
- for (i = 0; i < noCols; i++)
- {
- if (! colDefs[i].InsertAllowed)
- continue;
- if (needComma)
- strcat(sqlStmt, ",");
- strcat(sqlStmt, "?");
- needComma = TRUE;
- }
- strcat(sqlStmt, ")");
-
- pDb->WriteSqlLog(sqlStmt);
-
- // Prepare the insert statement for execution
- if (SQLPrepare(hstmtInsert, (UCHAR FAR *) sqlStmt, SQL_NTS) != SQL_SUCCESS)
- return(pDb->DispAllErrors(henv, hdbc, hstmtInsert));
- }
-
- // Completed successfully
- return(TRUE);
-
-} // wxTable::Open()
-
-/********** wxTable::Query() **********/
-bool wxTable::Query(bool forUpdate, bool distinct)
+ RETCODE retcode;
+
+ if (!pDb->FwdOnlyCursors())
+ {
+ // Fetch the NEXT, PREV, FIRST or LAST record, depending on fetchType
+ UDWORD cRowsFetched;
+ UWORD rowStatus;
+
+ retcode = SQLExtendedFetch(hstmt, fetchType, 0, &cRowsFetched, &rowStatus);
+ if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO)
+ {
+ if (retcode == SQL_NO_DATA_FOUND)
+ return(FALSE);
+ else
+ return(pDb->DispAllErrors(henv, hdbc, hstmt));
+ }
+ else
+ {
+ // Set the Null member variable to indicate the Null state
+ // of each column just read in.
+ int i;
+ for (i = 0; i < noCols; i++)
+ colDefs[i].Null = (colDefs[i].CbValue == SQL_NULL_DATA);
+ }
+ }
+ else
+ {
+ // Fetch the next record from the record set
+ retcode = SQLFetch(hstmt);
+ if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO)
+ {
+ if (retcode == SQL_NO_DATA_FOUND)
+ return(FALSE);
+ else
+ return(pDb->DispAllErrors(henv, hdbc, hstmt));
+ }
+ else
+ {
+ // Set the Null member variable to indicate the Null state
+ // of each column just read in.
+ int i;
+ for (i = 0; i < noCols; i++)
+ colDefs[i].Null = (colDefs[i].CbValue == SQL_NULL_DATA);
+ }
+ }
+
+ // Completed successfully
+ return(TRUE);
+
+} // wxDbTable::getRec()
+
+
+/********** wxDbTable::execDelete() **********/
+bool wxDbTable::execDelete(const char *pSqlStmt)
{
+ // Execute the DELETE statement
+ if (SQLExecDirect(hstmtDelete, (UCHAR FAR *) pSqlStmt, SQL_NTS) != SQL_SUCCESS)
+ return(pDb->DispAllErrors(henv, hdbc, hstmtDelete));
- return(query(DB_SELECT_WHERE, forUpdate, distinct));
+ // Record deleted successfully
+ return(TRUE);
-} // wxTable::Query()
+} // wxDbTable::execDelete()
-/********** wxTable::QueryBySqlStmt() **********/
-bool wxTable::QueryBySqlStmt(char *pSqlStmt)
+
+/********** wxDbTable::execUpdate() **********/
+bool wxDbTable::execUpdate(const char *pSqlStmt)
{
- pDb->WriteSqlLog(pSqlStmt);
+ // Execute the UPDATE statement
+ if (SQLExecDirect(hstmtUpdate, (UCHAR FAR *) pSqlStmt, SQL_NTS) != SQL_SUCCESS)
+ return(pDb->DispAllErrors(henv, hdbc, hstmtUpdate));
+
+ // Record deleted successfully
+ return(TRUE);
- return(query(DB_SELECT_STATEMENT, FALSE, FALSE, pSqlStmt));
+} // wxDbTable::execUpdate()
-} // wxTable::QueryBySqlStmt()
-/********** wxTable::QueryMatching() **********/
-bool wxTable::QueryMatching(bool forUpdate, bool distinct)
+/********** wxDbTable::query() **********/
+bool wxDbTable::query(int queryType, bool forUpdate, bool distinct, const char *pSqlStmt)
{
+ char sqlStmt[DB_MAX_STATEMENT_LEN];
+
+ if (forUpdate)
+ // The user may wish to select for update, but the DBMS may not be capable
+ selectForUpdate = CanSelectForUpdate();
+ else
+ selectForUpdate = FALSE;
+
+ // Set the SQL SELECT string
+ if (queryType != DB_SELECT_STATEMENT) // A select statement was not passed in,
+ { // so generate a select statement.
+ BuildSelectStmt(sqlStmt, queryType, distinct);
+ pDb->WriteSqlLog(sqlStmt);
+ }
+/*
+ This is the block of code that got added during the 2.2.1 merge with
+ the 2.2 main branch that somehow got added here when it should not have. - gt
+
+ else
+ wxStrcpy(sqlStmt, pSqlStmt);
+
+ SQLFreeStmt(hstmt, SQL_CLOSE);
+ if (SQLExecDirect(hstmt, (UCHAR FAR *) sqlStmt, SQL_NTS) == SQL_SUCCESS)
+ return(TRUE);
+ else
+ {
+ pDb->DispAllErrors(henv, hdbc, hstmt);
+ return(FALSE);
+ }
+*/
+ // Make sure the cursor is closed first
+ if (!CloseCursor(hstmt))
+ return(FALSE);
- return(query(DB_SELECT_MATCHING, forUpdate, distinct));
+ // Execute the SQL SELECT statement
+ int retcode;
+ retcode = SQLExecDirect(hstmt, (UCHAR FAR *) (queryType == DB_SELECT_STATEMENT ? pSqlStmt : sqlStmt), SQL_NTS);
+ if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO)
+ return(pDb->DispAllErrors(henv, hdbc, hstmt));
-} // wxTable::QueryMatching()
+ // Completed successfully
+ return(TRUE);
-/********** wxTable::QueryOnKeyFields() **********/
-bool wxTable::QueryOnKeyFields(bool forUpdate, bool distinct)
-{
+} // wxDbTable::query()
- return(query(DB_SELECT_KEYFIELDS, forUpdate, distinct));
-} // wxTable::QueryOnKeyFields()
+/***************************** PUBLIC FUNCTIONS *****************************/
-/********** wxTable::query() **********/
-bool wxTable::query(int queryType, bool forUpdate, bool distinct, char *pSqlStmt)
+
+/********** wxDbTable::Open() **********/
+bool wxDbTable::Open(bool checkPrivileges)
{
- char sqlStmt[DB_MAX_STATEMENT_LEN];
-
- // Set the selectForUpdate member variable
- if (forUpdate)
- // The user may wish to select for update, but the DBMS may not be capable
- selectForUpdate = CanSelectForUpdate();
- else
- selectForUpdate = FALSE;
-
- // Set the SQL SELECT string
- if (queryType != DB_SELECT_STATEMENT) // A select statement was not passed in,
- { // so generate a select statement.
- GetSelectStmt(sqlStmt, queryType, distinct);
- pDb->WriteSqlLog(sqlStmt);
- }
-
- // Make sure the cursor is closed first
- if (! CloseCursor(hstmt))
- return(FALSE);
-
- // Execute the SQL SELECT statement
- if (SQLExecDirect(hstmt, (UCHAR FAR *) (queryType == DB_SELECT_STATEMENT ? pSqlStmt : sqlStmt),
- SQL_NTS) != SQL_SUCCESS)
- return(pDb->DispAllErrors(henv, hdbc, hstmt));
-
- // Completed successfully
- return(TRUE);
-
-} // wxTable::query()
-
-/********** wxTable::GetSelectStmt() **********/
-void wxTable::GetSelectStmt(char *pSqlStmt, int typeOfSelect, bool distinct)
+ if (!pDb)
+ return FALSE;
+
+ int i;
+ wxString sqlStmt;
+ wxString s;
+
+ s = "";
+ // Verify that the table exists in the database
+ if (!pDb->TableExists(tableName,/*pDb->GetUsername()*/NULL,tablePath))
+ {
+ s = "Table/view does not exist in the database";
+ if ( *(pDb->dbInf.accessibleTables) == 'Y')
+ s += ", or you have no permissions.\n";
+ else
+ s += ".\n";
+ }
+ else if (checkPrivileges)
+ {
+ // Verify the user has rights to access the table.
+ // Shortcut boolean evaluation to optimize out call to
+ // TablePrivileges
+ //
+ // Unfortunately this optimization doesn't seem to be
+ // reliable!
+ if (// *(pDb->dbInf.accessibleTables) == 'N' &&
+ !pDb->TablePrivileges(tableName,"SELECT",NULL,pDb->GetUsername(),tablePath))
+ s = "Current logged in user does not have sufficient privileges to access this table.\n";
+ }
+
+ if (!s.IsEmpty())
+ {
+ wxString p;
+
+ if (wxStrcmp(tablePath,""))
+ p.sprintf("Error opening '%s/%s'.\n",tablePath,tableName);
+ else
+ p.sprintf("Error opening '%s'.\n", tableName);
+
+ p += s;
+ pDb->LogError(p.GetData());
+
+ return(FALSE);
+ }
+
+ // Bind the member variables for field exchange between
+ // the wxDbTable object and the ODBC record.
+ if (!queryOnly)
+ {
+ if (!bindInsertParams()) // Inserts
+ return(FALSE);
+
+ if (!bindUpdateParams()) // Updates
+ return(FALSE);
+ }
+
+ if (!bindCols(*hstmtDefault)) // Selects
+ return(FALSE);
+
+ if (!bindCols(hstmtInternal)) // Internal use only
+ return(FALSE);
+
+ /*
+ * Do NOT bind the hstmtCount cursor!!!
+ */
+
+ // Build an insert statement using parameter markers
+ if (!queryOnly && noCols > 0)
+ {
+ bool needComma = FALSE;
+ sqlStmt.sprintf("INSERT INTO %s (", tableName);
+ for (i = 0; i < noCols; i++)
+ {
+ if (! colDefs[i].InsertAllowed)
+ continue;
+ if (needComma)
+ sqlStmt += ",";
+ sqlStmt += colDefs[i].ColName;
+ needComma = TRUE;
+ }
+ needComma = FALSE;
+ sqlStmt += ") VALUES (";
+
+ int insertableCount = 0;
+
+ for (i = 0; i < noCols; i++)
+ {
+ if (! colDefs[i].InsertAllowed)
+ continue;
+ if (needComma)
+ sqlStmt += ",";
+ sqlStmt += "?";
+ needComma = TRUE;
+ insertableCount++;
+ }
+ sqlStmt += ")";
+
+ // Prepare the insert statement for execution
+ if (insertableCount)
+ {
+ if (SQLPrepare(hstmtInsert, (UCHAR FAR *) sqlStmt.c_str(), SQL_NTS) != SQL_SUCCESS)
+ return(pDb->DispAllErrors(henv, hdbc, hstmtInsert));
+ }
+ else
+ insertable= FALSE;
+ }
+
+ // Completed successfully
+ return(TRUE);
+
+} // wxDbTable::Open()
+
+
+/********** wxDbTable::Query() **********/
+bool wxDbTable::Query(bool forUpdate, bool distinct)
{
- char whereClause[DB_MAX_WHERE_CLAUSE_LEN];
-
- whereClause[0] = 0;
-
- // Build a select statement to query the database
- strcpy(pSqlStmt, "SELECT ");
-
- // SELECT DISTINCT values only?
- if (distinct)
- strcat(pSqlStmt, "DISTINCT ");
-
- // Was a FROM clause specified to join tables to the base table?
- // Available for ::Query() only!!!
- bool appendFromClause = FALSE;
- if (typeOfSelect == DB_SELECT_WHERE && from && strlen(from))
- appendFromClause = TRUE;
-
- // Add the column list
- for (int i = 0; i < noCols; i++)
- {
- // If joining tables, the base table column names must be qualified to avoid ambiguity
- if (appendFromClause)
- {
- strcat(pSqlStmt, queryTableName);
- strcat(pSqlStmt, ".");
- }
- strcat(pSqlStmt, colDefs[i].ColName);
- if (i + 1 < noCols)
- strcat(pSqlStmt, ",");
- }
-
- // If the datasource supports ROWID, get this column as well. Exception: Don't retrieve
- // the ROWID if querying distinct records. The rowid will always be unique.
- if (!distinct && CanUpdByROWID())
- {
- // If joining tables, the base table column names must be qualified to avoid ambiguity
- if (appendFromClause)
- {
- strcat(pSqlStmt, ",");
- strcat(pSqlStmt, queryTableName);
- strcat(pSqlStmt, ".ROWID");
- }
- else
- strcat(pSqlStmt, ",ROWID");
- }
-
- // Append the FROM tablename portion
- strcat(pSqlStmt, " FROM ");
- strcat(pSqlStmt, queryTableName);
- if (appendFromClause)
- strcat(pSqlStmt, from);
-
- // Append the WHERE clause. Either append the where clause for the class
- // or build a where clause. The typeOfSelect determines this.
- switch(typeOfSelect)
- {
- case DB_SELECT_WHERE:
- if (where && strlen(where)) // May not want a where clause!!!
- {
- strcat(pSqlStmt, " WHERE ");
- strcat(pSqlStmt, where);
- }
- break;
- case DB_SELECT_KEYFIELDS:
- GetWhereClause(whereClause, DB_WHERE_KEYFIELDS);
- if (strlen(whereClause))
- {
- strcat(pSqlStmt, " WHERE ");
- strcat(pSqlStmt, whereClause);
- }
- break;
- case DB_SELECT_MATCHING:
- GetWhereClause(whereClause, DB_WHERE_MATCHING);
- if (strlen(whereClause))
- {
- strcat(pSqlStmt, " WHERE ");
- strcat(pSqlStmt, whereClause);
- }
- break;
- }
-
- // Append the ORDER BY clause
- if (orderBy && strlen(orderBy))
- {
- strcat(pSqlStmt, " ORDER BY ");
- strcat(pSqlStmt, orderBy);
- }
-
- // SELECT FOR UPDATE if told to do so and the datasource is capable
- if (selectForUpdate && CanSelectForUpdate())
- strcat(pSqlStmt, " FOR UPDATE");
-
-} // wxTable::GetSelectStmt()
-
-/********** wxTable::getRec() **********/
-bool wxTable::getRec(UWORD fetchType)
+
+ return(query(DB_SELECT_WHERE, forUpdate, distinct));
+
+} // wxDbTable::Query()
+
+
+/********** wxDbTable::QueryBySqlStmt() **********/
+bool wxDbTable::QueryBySqlStmt(const char *pSqlStmt)
{
- RETCODE retcode;
-
-#ifndef FWD_ONLY_CURSORS
- // Fetch the NEXT, PREV, FIRST or LAST record, depending on fetchType
- UDWORD cRowsFetched;
- UWORD rowStatus;
- if ((retcode = SQLExtendedFetch(hstmt, fetchType, 0, &cRowsFetched, &rowStatus)) != SQL_SUCCESS)
- if (retcode == SQL_NO_DATA_FOUND)
- return(FALSE);
- else
- return(pDb->DispAllErrors(henv, hdbc, hstmt));
-#else
- // Fetch the next record from the record set
- if ((retcode = SQLFetch(hstmt)) != SQL_SUCCESS)
- if (retcode == SQL_NO_DATA_FOUND)
- return(FALSE);
- else
- return(pDb->DispAllErrors(henv, hdbc, hstmt));
-#endif
+ pDb->WriteSqlLog(pSqlStmt);
+
+ return(query(DB_SELECT_STATEMENT, FALSE, FALSE, pSqlStmt));
- // Completed successfully
- return(TRUE);
+} // wxDbTable::QueryBySqlStmt()
-} // wxTable::getRec()
-/********** wxTable::GetRowNum() **********/
-UWORD wxTable::GetRowNum(void)
+/********** wxDbTable::QueryMatching() **********/
+bool wxDbTable::QueryMatching(bool forUpdate, bool distinct)
{
- UDWORD rowNum;
- if (SQLGetStmtOption(hstmt, SQL_ROW_NUMBER, (UCHAR*) &rowNum) != SQL_SUCCESS)
- {
- pDb->DispAllErrors(henv, hdbc, hstmt);
- return(0);
- }
+ return(query(DB_SELECT_MATCHING, forUpdate, distinct));
- // Completed successfully
- return((UWORD) rowNum);
+} // wxDbTable::QueryMatching()
-} // wxTable::GetRowNum()
-/********** wxTable::bindInsertParams() **********/
-bool wxTable::bindInsertParams(void)
+/********** wxDbTable::QueryOnKeyFields() **********/
+bool wxDbTable::QueryOnKeyFields(bool forUpdate, bool distinct)
{
- SWORD fSqlType;
- UDWORD precision;
- SWORD scale;
-
- // Bind each column (that can be inserted) of the table to a parameter marker
- for (int i = 0; i < noCols; i++)
- {
- if (! colDefs[i].InsertAllowed)
- continue;
- switch(colDefs[i].DbDataType)
- {
- case DB_DATA_TYPE_VARCHAR:
- fSqlType = pDb->typeInfVarchar.FsqlType;
- precision = colDefs[i].SzDataObj;
- scale = 0;
- colDefs[i].CbValue = SQL_NTS;
- break;
- case DB_DATA_TYPE_INTEGER:
- fSqlType = pDb->typeInfInteger.FsqlType;
- precision = pDb->typeInfInteger.Precision;
- scale = 0;
- colDefs[i].CbValue = 0;
- break;
- case DB_DATA_TYPE_FLOAT:
- fSqlType = pDb->typeInfFloat.FsqlType;
- precision = pDb->typeInfFloat.Precision;
- scale = pDb->typeInfFloat.MaximumScale;
- // SQL Sybase Anywhere v5.5 returned a negative number for the
- // MaxScale. This caused ODBC to kick out an error on ibscale.
- // I check for this here and set the scale = precision.
- //if (scale < 0)
- // scale = (short) precision;
- colDefs[i].CbValue = 0;
- break;
- case DB_DATA_TYPE_DATE:
- fSqlType = pDb->typeInfDate.FsqlType;
- precision = pDb->typeInfDate.Precision;
- scale = 0;
- colDefs[i].CbValue = 0;
- break;
- }
- if (SQLBindParameter(hstmtInsert, i+1, SQL_PARAM_INPUT, colDefs[i].SqlCtype,
- fSqlType, precision, scale, (UCHAR*) colDefs[i].PtrDataObj,
- precision+1,&colDefs[i].CbValue) != SQL_SUCCESS)
- return(pDb->DispAllErrors(henv, hdbc, hstmtInsert));
- }
-
- // Completed successfully
- return(TRUE);
-
-} // wxTable::bindInsertParams()
-
-/********** wxTable::bindUpdateParams() **********/
-bool wxTable::bindUpdateParams(void)
+
+ return(query(DB_SELECT_KEYFIELDS, forUpdate, distinct));
+
+} // wxDbTable::QueryOnKeyFields()
+
+
+/********** wxDbTable::GetPrev() **********/
+bool wxDbTable::GetPrev(void)
{
- SWORD fSqlType;
- UDWORD precision;
- SWORD scale;
-
- // Bind each UPDATEABLE column of the table to a parameter marker
- for (int i = 0, colNo = 1; i < noCols; i++)
- {
- if (! colDefs[i].Updateable)
- continue;
- switch(colDefs[i].DbDataType)
- {
- case DB_DATA_TYPE_VARCHAR:
- fSqlType = pDb->typeInfVarchar.FsqlType;
- precision = colDefs[i].SzDataObj;
- scale = 0;
- colDefs[i].CbValue = SQL_NTS;
- break;
- case DB_DATA_TYPE_INTEGER:
- fSqlType = pDb->typeInfInteger.FsqlType;
- precision = pDb->typeInfInteger.Precision;
- scale = 0;
- colDefs[i].CbValue = 0;
- break;
- case DB_DATA_TYPE_FLOAT:
- fSqlType = pDb->typeInfFloat.FsqlType;
- precision = pDb->typeInfFloat.Precision;
- scale = pDb->typeInfFloat.MaximumScale;
- // SQL Sybase Anywhere v5.5 returned a negative number for the
- // MaxScale. This caused ODBC to kick out an error on ibscale.
- // I check for this here and set the scale = precision.
- //if (scale < 0)
- // scale = (short) precision;
- colDefs[i].CbValue = 0;
- break;
- case DB_DATA_TYPE_DATE:
- fSqlType = pDb->typeInfDate.FsqlType;
- precision = pDb->typeInfDate.Precision;
- scale = 0;
- colDefs[i].CbValue = 0;
- break;
- }
- if (SQLBindParameter(hstmtUpdate, colNo++, SQL_PARAM_INPUT, colDefs[i].SqlCtype,
- fSqlType, precision, scale, (UCHAR*) colDefs[i].PtrDataObj,
- precision+1, &colDefs[i].CbValue) != SQL_SUCCESS)
- return(pDb->DispAllErrors(henv, hdbc, hstmtUpdate));
- }
-
- // Completed successfully
- return(TRUE);
-
-} // wxTable::bindUpdateParams()
-
-/********** wxTable::bindCols() **********/
-bool wxTable::bindCols(HSTMT cursor)
+ if (pDb->FwdOnlyCursors())
+ {
+ wxFAIL_MSG(wxT("GetPrev()::Backward scrolling cursors are not enabled for this instance of wxDbTable"));
+ return FALSE;
+ }
+ else
+ return(getRec(SQL_FETCH_PRIOR));
+
+} // wxDbTable::GetPrev()
+
+
+/********** wxDbTable::operator-- **********/
+bool wxDbTable::operator--(int)
{
- static SDWORD cb;
-
- // Bind each column of the table to a memory address for fetching data
- for (int i = 0; i < noCols; i++)
- {
- if (SQLBindCol(cursor, i+1, colDefs[i].SqlCtype, (UCHAR*) colDefs[i].PtrDataObj,
- colDefs[i].SzDataObj, &cb) != SQL_SUCCESS)
- return(pDb->DispAllErrors(henv, hdbc, cursor));
- }
-
- // Completed successfully
- return(TRUE);
-
-} // wxTable::bindCols()
-
-/********** wxTable::CloseCursor() **********/
-bool wxTable::CloseCursor(HSTMT cursor)
+ if (pDb->FwdOnlyCursors())
+ {
+ wxFAIL_MSG(wxT("operator--:Backward scrolling cursors are not enabled for this instance of wxDbTable"));
+ return FALSE;
+ }
+ else
+ return(getRec(SQL_FETCH_PRIOR));
+
+} // wxDbTable::operator--
+
+
+/********** wxDbTable::GetFirst() **********/
+bool wxDbTable::GetFirst(void)
{
- if (SQLFreeStmt(cursor, SQL_CLOSE) != SQL_SUCCESS)
- return(pDb->DispAllErrors(henv, hdbc, cursor));
+ if (pDb->FwdOnlyCursors())
+ {
+ wxFAIL_MSG(wxT("GetFirst():Backward scrolling cursors are not enabled for this instance of wxDbTable"));
+ return FALSE;
+ }
+ else
+ return(getRec(SQL_FETCH_FIRST));
- // Completed successfully
- return(TRUE);
+} // wxDbTable::GetFirst()
-} // wxTable::CloseCursor()
-/********** wxTable::CreateTable() **********/
-bool wxTable::CreateTable(void)
+/********** wxDbTable::GetLast() **********/
+bool wxDbTable::GetLast(void)
{
- if (!pDb)
- return FALSE;
+ if (pDb->FwdOnlyCursors())
+ {
+ wxFAIL_MSG(wxT("GetLast()::Backward scrolling cursors are not enabled for this instance of wxDbTable"));
+ return FALSE;
+ }
+ else
+ return(getRec(SQL_FETCH_LAST));
- int i, j;
- char sqlStmt[DB_MAX_STATEMENT_LEN];
+} // wxDbTable::GetLast()
-#ifdef _CONSOLE
- cout << "Creating Table " << tableName << "..." << endl;
-#endif
- // Drop the table first
- sprintf(sqlStmt, "DROP TABLE %s", tableName);
- if (SQLExecDirect(hstmt, (UCHAR FAR *) sqlStmt, SQL_NTS) != SQL_SUCCESS)
- {
- /* Check for sqlState = S0002, "Table or view not found".
- * Ignore this error, bomb out on any other error.
- * SQL Sybase Anwhere v5.5 returns an access violation error here
- * (sqlstate = 42000) rather than an S0002. */
-
- /* PostgreSQL 6.4.0 returns "08S01" or in written form
- "ERROR: Relation ... Does Not Exist, Robert Roebling */
-
- pDb->GetNextError(henv, hdbc, hstmt);
- if (strcmp(pDb->sqlState, "S0002") &&
- strcmp(pDb->sqlState, "42000") &&
- strcmp(pDb->sqlState, "08S01"))
- {
- pDb->DispNextError();
- pDb->DispAllErrors(henv, hdbc, hstmt);
- pDb->RollbackTrans();
- CloseCursor(hstmt);
- return(FALSE);
- }
- }
-
- pDb->WriteSqlLog(sqlStmt);
-
- // Commit the transaction and close the cursor
- if (! pDb->CommitTrans())
- return(FALSE);
- if (! CloseCursor(hstmt))
- return(FALSE);
-
- // Create the table
-#ifdef _CONSOLE
- for (i = 0; i < noCols; i++)
- {
- // Exclude derived columns since they are NOT part of the base table
- if (colDefs[i].DerivedCol)
- continue;
- cout << i + 1 << ": " << colDefs[i].ColName << "; ";
- switch(colDefs[i].DbDataType)
- {
- case DB_DATA_TYPE_VARCHAR:
- cout << pDb->typeInfVarchar.TypeName << "(" << colDefs[i].SzDataObj << ")";
- break;
- case DB_DATA_TYPE_INTEGER:
- cout << pDb->typeInfInteger.TypeName;
- break;
- case DB_DATA_TYPE_FLOAT:
- cout << pDb->typeInfFloat.TypeName;
- break;
- case DB_DATA_TYPE_DATE:
- cout << pDb->typeInfDate.TypeName;
- break;
- }
- cout << endl;
- }
+/********** wxDbTable::BuildSelectStmt() **********/
+void wxDbTable::BuildSelectStmt(char *pSqlStmt, int typeOfSelect, bool distinct)
+{
+ char whereClause[DB_MAX_WHERE_CLAUSE_LEN];
+
+ whereClause[0] = 0;
+
+ // Build a select statement to query the database
+ wxStrcpy(pSqlStmt, "SELECT ");
+
+ // SELECT DISTINCT values only?
+ if (distinct)
+ wxStrcat(pSqlStmt, "DISTINCT ");
+
+ // Was a FROM clause specified to join tables to the base table?
+ // Available for ::Query() only!!!
+ bool appendFromClause = FALSE;
+#if wxODBC_BACKWARD_COMPATABILITY
+ if (typeOfSelect == DB_SELECT_WHERE && from && wxStrlen(from))
+ appendFromClause = TRUE;
+#else
+ if (typeOfSelect == DB_SELECT_WHERE && from.Length())
+ appendFromClause = TRUE;
#endif
- // Build a CREATE TABLE string from the colDefs structure.
- bool needComma = FALSE;
- sprintf(sqlStmt, "CREATE TABLE %s (", tableName);
- for (i = 0; i < noCols; i++)
- {
- // Exclude derived columns since they are NOT part of the base table
- if (colDefs[i].DerivedCol)
- continue;
- // Comma Delimiter
- if (needComma)
- strcat(sqlStmt, ",");
- // Column Name
- strcat(sqlStmt, colDefs[i].ColName);
- strcat(sqlStmt, " ");
- // Column Type
- switch(colDefs[i].DbDataType)
- {
- case DB_DATA_TYPE_VARCHAR:
- strcat(sqlStmt, pDb->typeInfVarchar.TypeName); break;
- case DB_DATA_TYPE_INTEGER:
- strcat(sqlStmt, pDb->typeInfInteger.TypeName); break;
- case DB_DATA_TYPE_FLOAT:
- strcat(sqlStmt, pDb->typeInfFloat.TypeName); break;
- case DB_DATA_TYPE_DATE:
- strcat(sqlStmt, pDb->typeInfDate.TypeName); break;
- }
- // For varchars, append the size of the string
- if (colDefs[i].DbDataType == DB_DATA_TYPE_VARCHAR)
- {
- char s[10];
- // strcat(sqlStmt, "(");
- // strcat(sqlStmt, itoa(colDefs[i].SzDataObj, s, 10));
- // strcat(sqlStmt, ")");
- sprintf(s, "(%d)", colDefs[i].SzDataObj);
- strcat(sqlStmt, s);
- }
- needComma = TRUE;
- }
- // If there is a primary key defined, include it in the create statement
- for (i = j = 0; i < noCols; i++)
- {
- if (colDefs[i].KeyField)
- {
- j++;
- break;
- }
- }
- if (j) // Found a keyfield
- {
- strcat(sqlStmt, ",CONSTRAINT ");
- strcat(sqlStmt, tableName);
- strcat(sqlStmt, "_PIDX PRIMARY KEY (");
- // List column name(s) of column(s) comprising the primary key
- for (i = j = 0; i < noCols; i++)
- {
- if (colDefs[i].KeyField)
- {
- if (j++) // Multi part key, comma separate names
- strcat(sqlStmt, ",");
- strcat(sqlStmt, colDefs[i].ColName);
- }
- }
- strcat(sqlStmt, ")");
- }
- // Append the closing parentheses for the create table statement
- strcat(sqlStmt, ")");
-
- pDb->WriteSqlLog(sqlStmt);
-
-#ifdef _CONSOLE
- cout << endl << sqlStmt << endl;
+ // Add the column list
+ int i;
+ for (i = 0; i < noCols; i++)
+ {
+ // If joining tables, the base table column names must be qualified to avoid ambiguity
+ if (appendFromClause)
+ {
+ wxStrcat(pSqlStmt, queryTableName);
+ wxStrcat(pSqlStmt, ".");
+ }
+ wxStrcat(pSqlStmt, colDefs[i].ColName);
+ if (i + 1 < noCols)
+ wxStrcat(pSqlStmt, ",");
+ }
+
+ // If the datasource supports ROWID, get this column as well. Exception: Don't retrieve
+ // the ROWID if querying distinct records. The rowid will always be unique.
+ if (!distinct && CanUpdByROWID())
+ {
+ // If joining tables, the base table column names must be qualified to avoid ambiguity
+ if (appendFromClause)
+ {
+ wxStrcat(pSqlStmt, ",");
+ wxStrcat(pSqlStmt, queryTableName);
+ wxStrcat(pSqlStmt, ".ROWID");
+ }
+ else
+ wxStrcat(pSqlStmt, ",ROWID");
+ }
+
+ // Append the FROM tablename portion
+ wxStrcat(pSqlStmt, " FROM ");
+ wxStrcat(pSqlStmt, queryTableName);
+
+ // Sybase uses the HOLDLOCK keyword to lock a record during query.
+ // The HOLDLOCK keyword follows the table name in the from clause.
+ // Each table in the from clause must specify HOLDLOCK or
+ // NOHOLDLOCK (the default). Note: The "FOR UPDATE" clause
+ // is parsed but ignored in SYBASE Transact-SQL.
+ if (selectForUpdate && (pDb->Dbms() == dbmsSYBASE_ASA || pDb->Dbms() == dbmsSYBASE_ASE))
+ wxStrcat(pSqlStmt, " HOLDLOCK");
+
+ if (appendFromClause)
+ wxStrcat(pSqlStmt, from);
+
+ // Append the WHERE clause. Either append the where clause for the class
+ // or build a where clause. The typeOfSelect determines this.
+ switch(typeOfSelect)
+ {
+ case DB_SELECT_WHERE:
+#if wxODBC_BACKWARD_COMPATABILITY
+ if (where && wxStrlen(where)) // May not want a where clause!!!
+#else
+ if (where.Length()) // May not want a where clause!!!
+#endif
+ {
+ wxStrcat(pSqlStmt, " WHERE ");
+ wxStrcat(pSqlStmt, where);
+ }
+ break;
+ case DB_SELECT_KEYFIELDS:
+ BuildWhereClause(whereClause, DB_WHERE_KEYFIELDS);
+ if (wxStrlen(whereClause))
+ {
+ wxStrcat(pSqlStmt, " WHERE ");
+ wxStrcat(pSqlStmt, whereClause);
+ }
+ break;
+ case DB_SELECT_MATCHING:
+ BuildWhereClause(whereClause, DB_WHERE_MATCHING);
+ if (wxStrlen(whereClause))
+ {
+ wxStrcat(pSqlStmt, " WHERE ");
+ wxStrcat(pSqlStmt, whereClause);
+ }
+ break;
+ }
+
+ // Append the ORDER BY clause
+#if wxODBC_BACKWARD_COMPATABILITY
+ if (orderBy && wxStrlen(orderBy))
+#else
+ if (orderBy.Length())
#endif
+ {
+ wxStrcat(pSqlStmt, " ORDER BY ");
+ wxStrcat(pSqlStmt, orderBy);
+ }
- // Execute the CREATE TABLE statement
- if (SQLExecDirect(hstmt, (UCHAR FAR *) sqlStmt, SQL_NTS) != SQL_SUCCESS)
- {
- pDb->DispAllErrors(henv, hdbc, hstmt);
- pDb->RollbackTrans();
- CloseCursor(hstmt);
- return(FALSE);
- }
+ // SELECT FOR UPDATE if told to do so and the datasource is capable. Sybase
+ // parses the FOR UPDATE clause but ignores it. See the comment above on the
+ // HOLDLOCK for Sybase.
+ if (selectForUpdate && CanSelectForUpdate())
+ wxStrcat(pSqlStmt, " FOR UPDATE");
+
+} // wxDbTable::BuildSelectStmt()
+
+
+/********** wxDbTable::GetRowNum() **********/
+UWORD wxDbTable::GetRowNum(void)
+{
+ UDWORD rowNum;
+
+ if (SQLGetStmtOption(hstmt, SQL_ROW_NUMBER, (UCHAR*) &rowNum) != SQL_SUCCESS)
+ {
+ pDb->DispAllErrors(henv, hdbc, hstmt);
+ return(0);
+ }
+
+ // Completed successfully
+ return((UWORD) rowNum);
+
+} // wxDbTable::GetRowNum()
+
+
+/********** wxDbTable::CloseCursor() **********/
+bool wxDbTable::CloseCursor(HSTMT cursor)
+{
+ if (SQLFreeStmt(cursor, SQL_CLOSE) != SQL_SUCCESS)
+ return(pDb->DispAllErrors(henv, hdbc, cursor));
- // Commit the transaction and close the cursor
- if (! pDb->CommitTrans())
- return(FALSE);
- if (! CloseCursor(hstmt))
- return(FALSE);
+ // Completed successfully
+ return(TRUE);
- // Database table created successfully
- return(TRUE);
+} // wxDbTable::CloseCursor()
-} // wxTable::CreateTable()
-/********** wxTable::CreateIndex() **********/
-bool wxTable::CreateIndex(char * idxName, bool unique, int noIdxCols, CidxDef *pIdxDefs)
+/********** wxDbTable::CreateTable() **********/
+bool wxDbTable::CreateTable(bool attemptDrop)
{
- char sqlStmt[DB_MAX_STATEMENT_LEN];
-
- // Build a CREATE INDEX statement
- strcpy(sqlStmt, "CREATE ");
- if (unique)
- strcat(sqlStmt, "UNIQUE ");
-
- strcat(sqlStmt, "INDEX ");
- strcat(sqlStmt, idxName);
- strcat(sqlStmt, " ON ");
- strcat(sqlStmt, tableName);
- strcat(sqlStmt, " (");
-
- // Append list of columns making up index
- for (int i = 0; i < noIdxCols; i++)
- {
- strcat(sqlStmt, pIdxDefs[i].ColName);
- if (pIdxDefs[i].Ascending)
- strcat(sqlStmt, " ASC");
- else
- strcat(sqlStmt, " DESC");
- if ((i + 1) < noIdxCols)
- strcat(sqlStmt, ", ");
- }
-
- // Append closing parentheses
- strcat(sqlStmt, ")");
-
- pDb->WriteSqlLog(sqlStmt);
-
-#ifdef _CONSOLE
- cout << endl << sqlStmt << endl << endl;
+ if (!pDb)
+ return FALSE;
+
+ int i, j;
+ wxString sqlStmt;
+
+#ifdef DBDEBUG_CONSOLE
+ cout << "Creating Table " << tableName << "..." << endl;
+#endif
+
+ // Drop table first
+ if (attemptDrop && !DropTable())
+ return FALSE;
+
+ // Create the table
+#ifdef DBDEBUG_CONSOLE
+ for (i = 0; i < noCols; i++)
+ {
+ // Exclude derived columns since they are NOT part of the base table
+ if (colDefs[i].DerivedCol)
+ continue;
+ cout << i + 1 << ": " << colDefs[i].ColName << "; ";
+ switch(colDefs[i].DbDataType)
+ {
+ case DB_DATA_TYPE_VARCHAR:
+ cout << pDb->typeInfVarchar.TypeName << "(" << colDefs[i].SzDataObj << ")";
+ break;
+ case DB_DATA_TYPE_INTEGER:
+ cout << pDb->typeInfInteger.TypeName;
+ break;
+ case DB_DATA_TYPE_FLOAT:
+ cout << pDb->typeInfFloat.TypeName;
+ break;
+ case DB_DATA_TYPE_DATE:
+ cout << pDb->typeInfDate.TypeName;
+ break;
+ }
+ cout << endl;
+ }
+#endif
+
+ // Build a CREATE TABLE string from the colDefs structure.
+ bool needComma = FALSE;
+ sqlStmt.sprintf("CREATE TABLE %s (", tableName);
+
+ for (i = 0; i < noCols; i++)
+ {
+ // Exclude derived columns since they are NOT part of the base table
+ if (colDefs[i].DerivedCol)
+ continue;
+ // Comma Delimiter
+ if (needComma)
+ sqlStmt += ",";
+ // Column Name
+ sqlStmt += colDefs[i].ColName;
+ sqlStmt += " ";
+ // Column Type
+ switch(colDefs[i].DbDataType)
+ {
+ case DB_DATA_TYPE_VARCHAR:
+ sqlStmt += pDb->GetTypeInfVarchar().TypeName;
+ break;
+ case DB_DATA_TYPE_INTEGER:
+ sqlStmt += pDb->GetTypeInfInteger().TypeName;
+ break;
+ case DB_DATA_TYPE_FLOAT:
+ sqlStmt += pDb->GetTypeInfFloat().TypeName;
+ break;
+ case DB_DATA_TYPE_DATE:
+ sqlStmt += pDb->GetTypeInfDate().TypeName;
+ break;
+ }
+ // For varchars, append the size of the string
+ if (colDefs[i].DbDataType == DB_DATA_TYPE_VARCHAR)
+ {
+ wxString s;
+ // wxStrcat(sqlStmt, "(");
+ // wxStrcat(sqlStmt, itoa(colDefs[i].SzDataObj, s, 10));
+ // wxStrcat(sqlStmt, ")");
+ s.sprintf("(%d)", colDefs[i].SzDataObj);
+ sqlStmt += s.c_str();
+ }
+
+ if (pDb->Dbms() == dbmsDB2 ||
+ pDb->Dbms() == dbmsMY_SQL ||
+ pDb->Dbms() == dbmsSYBASE_ASE ||
+ pDb->Dbms() == dbmsMS_SQL_SERVER)
+ {
+ if (colDefs[i].KeyField)
+ {
+ sqlStmt += " NOT NULL";
+ }
+ }
+
+ needComma = TRUE;
+ }
+ // If there is a primary key defined, include it in the create statement
+ for (i = j = 0; i < noCols; i++)
+ {
+ if (colDefs[i].KeyField)
+ {
+ j++;
+ break;
+ }
+ }
+ if (j && pDb->Dbms() != dbmsDBASE) // Found a keyfield
+ {
+ if (pDb->Dbms() != dbmsMY_SQL)
+ {
+ sqlStmt += ",CONSTRAINT ";
+ sqlStmt += tableName;
+ sqlStmt += "_PIDX PRIMARY KEY (";
+ }
+ else
+ {
+ /* MySQL goes out on this one. We also declare the relevant key NON NULL above */
+ sqlStmt += ", PRIMARY KEY (";
+ }
+
+ // List column name(s) of column(s) comprising the primary key
+ for (i = j = 0; i < noCols; i++)
+ {
+ if (colDefs[i].KeyField)
+ {
+ if (j++) // Multi part key, comma separate names
+ sqlStmt += ",";
+ sqlStmt += colDefs[i].ColName;
+ }
+ }
+ sqlStmt += ")";
+ }
+ // Append the closing parentheses for the create table statement
+ sqlStmt += ")";
+
+ pDb->WriteSqlLog(sqlStmt.c_str());
+
+#ifdef DBDEBUG_CONSOLE
+ cout << endl << sqlStmt.c_str() << endl;
#endif
- // Execute the CREATE INDEX statement
- if (SQLExecDirect(hstmt, (UCHAR FAR *) sqlStmt, SQL_NTS) != SQL_SUCCESS)
- {
- pDb->DispAllErrors(henv, hdbc, hstmt);
- pDb->RollbackTrans();
- CloseCursor(hstmt);
- return(FALSE);
- }
+ // Execute the CREATE TABLE statement
+ RETCODE retcode = SQLExecDirect(hstmt, (UCHAR FAR *) sqlStmt.c_str(), SQL_NTS);
+ if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO)
+ {
+ pDb->DispAllErrors(henv, hdbc, hstmt);
+ pDb->RollbackTrans();
+ CloseCursor(hstmt);
+ return(FALSE);
+ }
- // Commit the transaction and close the cursor
- if (! pDb->CommitTrans())
- return(FALSE);
- if (! CloseCursor(hstmt))
- return(FALSE);
+ // Commit the transaction and close the cursor
+ if (!pDb->CommitTrans())
+ return(FALSE);
+ if (!CloseCursor(hstmt))
+ return(FALSE);
- // Index Created Successfully
- return(TRUE);
+ // Database table created successfully
+ return(TRUE);
-} // wxTable::CreateIndex()
+} // wxDbTable::CreateTable()
-/********** wxTable::Insert() **********/
-int wxTable::Insert(void)
+
+/********** wxDbTable::DropTable() **********/
+bool wxDbTable::DropTable()
{
- // Insert the record by executing the already prepared insert statement
- if (SQLExecute(hstmtInsert) != SQL_SUCCESS)
- {
- // Check to see if integrity constraint was violated
- pDb->GetNextError(henv, hdbc, hstmtInsert);
- if (! strcmp(pDb->sqlState, "23000")) // Integrity constraint violated
- return(DB_ERR_INTEGRITY_CONSTRAINT_VIOL);
- else
- {
- pDb->DispNextError();
- pDb->DispAllErrors(henv, hdbc, hstmtInsert);
- return(DB_FAILURE);
- }
- }
-
- // Record inserted into the datasource successfully
- return(DB_SUCCESS);
-
-} // wxTable::Insert()
-
-/********** wxTable::Update(pSqlStmt) **********/
-bool wxTable::Update(char *pSqlStmt)
+ // NOTE: This function returns TRUE if the Table does not exist, but
+ // only for identified databases. Code will need to be added
+ // below for any other databases when those databases are defined
+ // to handle this situation consistently
+
+ wxString sqlStmt;
+
+ sqlStmt.sprintf("DROP TABLE %s", tableName);
+
+ pDb->WriteSqlLog(sqlStmt.c_str());
+
+#ifdef DBDEBUG_CONSOLE
+ cout << endl << sqlStmt.c_str() << endl;
+#endif
+
+ if (SQLExecDirect(hstmt, (UCHAR FAR *) sqlStmt.c_str(), SQL_NTS) != SQL_SUCCESS)
+ {
+ // Check for "Base table not found" error and ignore
+ pDb->GetNextError(henv, hdbc, hstmt);
+ if (wxStrcmp(pDb->sqlState,"S0002") && wxStrcmp(pDb->sqlState, "S1000")) // "Base table not found"
+ {
+ // Check for product specific error codes
+ if (!((pDb->Dbms() == dbmsSYBASE_ASA && !wxStrcmp(pDb->sqlState,"42000")) || // 5.x (and lower?)
+ (pDb->Dbms() == dbmsSYBASE_ASE && !wxStrcmp(pDb->sqlState,"37000")) ||
+ (pDb->Dbms() == dbmsPOSTGRES && !wxStrcmp(pDb->sqlState,"08S01"))))
+ {
+ pDb->DispNextError();
+ pDb->DispAllErrors(henv, hdbc, hstmt);
+ pDb->RollbackTrans();
+ CloseCursor(hstmt);
+ return(FALSE);
+ }
+ }
+ }
+
+ // Commit the transaction and close the cursor
+ if (! pDb->CommitTrans())
+ return(FALSE);
+ if (! CloseCursor(hstmt))
+ return(FALSE);
+
+ return(TRUE);
+} // wxDbTable::DropTable()
+
+
+/********** wxDbTable::CreateIndex() **********/
+bool wxDbTable::CreateIndex(const char * idxName, bool unique, int noIdxCols, wxDbIdxDef *pIdxDefs, bool attemptDrop)
{
- pDb->WriteSqlLog(pSqlStmt);
+ wxString sqlStmt;
+
+ // Drop the index first
+ if (attemptDrop && !DropIndex(idxName))
+ return (FALSE);
+
+ // MySQL (and possibly Sybase ASE?? - gt) require that any columns which are used as portions
+ // of an index have the columns defined as "NOT NULL". During initial table creation though,
+ // it may not be known which columns are necessarily going to be part of an index (e.g. the
+ // table was created, then months later you determine that an additional index while
+ // give better performance, so you want to add an index).
+ //
+ // The following block of code will modify the column definition to make the column be
+ // defined with the "NOT NULL" qualifier.
+ if (pDb->Dbms() == dbmsMY_SQL)
+ {
+ wxString sqlStmt;
+ int i;
+ bool ok = TRUE;
+ for (i = 0; i < noIdxCols && ok; i++)
+ {
+ int j = 0;
+ bool found = FALSE;
+ // Find the column definition that has the ColName that matches the
+ // index column name. We need to do this to get the DB_DATA_TYPE of
+ // the index column, as MySQL's syntax for the ALTER column requires
+ // this information
+ while (!found && (j < this->noCols))
+ {
+ if (wxStrcmp(colDefs[j].ColName,pIdxDefs[i].ColName) == 0)
+ found = TRUE;
+ if (!found)
+ j++;
+ }
+
+ if (found)
+ {
+ wxString typeNameAndSize;
+
+ switch(colDefs[j].DbDataType)
+ {
+ case DB_DATA_TYPE_VARCHAR:
+ typeNameAndSize = pDb->GetTypeInfVarchar().TypeName;
+ break;
+ case DB_DATA_TYPE_INTEGER:
+ typeNameAndSize = pDb->GetTypeInfInteger().TypeName;
+ break;
+ case DB_DATA_TYPE_FLOAT:
+ typeNameAndSize = pDb->GetTypeInfFloat().TypeName;
+ break;
+ case DB_DATA_TYPE_DATE:
+ typeNameAndSize = pDb->GetTypeInfDate().TypeName;
+ break;
+ }
+
+ // For varchars, append the size of the string
+ if (colDefs[j].DbDataType == DB_DATA_TYPE_VARCHAR)
+ {
+ wxString s;
+ s.sprintf("(%d)", colDefs[i].SzDataObj);
+ typeNameAndSize += s.c_str();
+ }
+
+ sqlStmt.sprintf("ALTER TABLE %s MODIFY %s %s NOT NULL",tableName,pIdxDefs[i].ColName,typeNameAndSize.c_str());
+ ok = pDb->ExecSql(sqlStmt.c_str());
+
+ if (!ok)
+ {
+ wxODBC_ERRORS retcode;
+ // Oracle returns a DB_ERR_GENERAL_ERROR if the column is already
+ // defined to be NOT NULL, but reportedly MySQL doesn't mind.
+ // This line is just here for debug checking of the value
+ retcode = (wxODBC_ERRORS)pDb->DB_STATUS;
+ }
+ }
+ else
+ ok = FALSE;
+ }
+ if (ok)
+ pDb->CommitTrans();
+ else
+ {
+ pDb->RollbackTrans();
+ return(FALSE);
+ }
+ }
+
+ // Build a CREATE INDEX statement
+ sqlStmt = "CREATE ";
+ if (unique)
+ sqlStmt += "UNIQUE ";
+
+ sqlStmt += "INDEX ";
+ sqlStmt += idxName;
+ sqlStmt += " ON ";
+ sqlStmt += tableName;
+ sqlStmt += " (";
+
+ // Append list of columns making up index
+ int i;
+ for (i = 0; i < noIdxCols; i++)
+ {
+ sqlStmt += pIdxDefs[i].ColName;
+ /* Postgres doesn't cope with ASC */
+ if (pDb->Dbms() != dbmsPOSTGRES)
+ {
+ if (pIdxDefs[i].Ascending)
+ sqlStmt += " ASC";
+ else
+ sqlStmt += " DESC";
+ }
+
+ if ((i + 1) < noIdxCols)
+ sqlStmt += ",";
+ }
+
+ // Append closing parentheses
+ sqlStmt += ")";
+
+ pDb->WriteSqlLog(sqlStmt.c_str());
+
+#ifdef DBDEBUG_CONSOLE
+ cout << endl << sqlStmt.c_str() << endl << endl;
+#endif
+
+ // Execute the CREATE INDEX statement
+ if (SQLExecDirect(hstmt, (UCHAR FAR *) sqlStmt.c_str(), SQL_NTS) != SQL_SUCCESS)
+ {
+ pDb->DispAllErrors(henv, hdbc, hstmt);
+ pDb->RollbackTrans();
+ CloseCursor(hstmt);
+ return(FALSE);
+ }
+
+ // Commit the transaction and close the cursor
+ if (! pDb->CommitTrans())
+ return(FALSE);
+ if (! CloseCursor(hstmt))
+ return(FALSE);
- return(execUpdate(pSqlStmt));
+ // Index Created Successfully
+ return(TRUE);
-} // wxTable::Update(pSqlStmt)
+} // wxDbTable::CreateIndex()
-/********** wxTable::Update() **********/
-bool wxTable::Update(void)
+
+/********** wxDbTable::DropIndex() **********/
+bool wxDbTable::DropIndex(const char * idxName)
{
- char sqlStmt[DB_MAX_STATEMENT_LEN];
+ // NOTE: This function returns TRUE if the Index does not exist, but
+ // only for identified databases. Code will need to be added
+ // below for any other databases when those databases are defined
+ // to handle this situation consistently
+
+ wxString sqlStmt;
- // Build the SQL UPDATE statement
- GetUpdateStmt(sqlStmt, DB_UPD_KEYFIELDS);
+ if (pDb->Dbms() == dbmsACCESS || pDb->Dbms() == dbmsMY_SQL)
+ sqlStmt.sprintf("DROP INDEX %s ON %s",idxName,tableName);
+ else if ((pDb->Dbms() == dbmsMS_SQL_SERVER) ||
+ (pDb->Dbms() == dbmsSYBASE_ASE))
+ sqlStmt.sprintf("DROP INDEX %s.%s",tableName,idxName);
+ else
+ sqlStmt.sprintf("DROP INDEX %s",idxName);
- pDb->WriteSqlLog(sqlStmt);
+ pDb->WriteSqlLog(sqlStmt.c_str());
-#ifdef _CONSOLE
- cout << endl << sqlStmt << endl << endl;
+#ifdef DBDEBUG_CONSOLE
+ cout << endl << sqlStmt.c_str() << endl;
#endif
- // Execute the SQL UPDATE statement
- return(execUpdate(sqlStmt));
+ if (SQLExecDirect(hstmt, (UCHAR FAR *) sqlStmt.c_str(), SQL_NTS) != SQL_SUCCESS)
+ {
+ // Check for "Index not found" error and ignore
+ pDb->GetNextError(henv, hdbc, hstmt);
+ if (wxStrcmp(pDb->sqlState,"S0012")) // "Index not found"
+ {
+ // Check for product specific error codes
+ if (!((pDb->Dbms() == dbmsSYBASE_ASA && !wxStrcmp(pDb->sqlState,"42000")) || // v5.x (and lower?)
+ (pDb->Dbms() == dbmsSYBASE_ASE && !wxStrcmp(pDb->sqlState,"37000")) ||
+ (pDb->Dbms() == dbmsMS_SQL_SERVER && !wxStrcmp(pDb->sqlState,"S1000")) ||
+ (pDb->Dbms() == dbmsSYBASE_ASE && !wxStrcmp(pDb->sqlState,"S0002")) || // Base table not found
+ (pDb->Dbms() == dbmsMY_SQL && !wxStrcmp(pDb->sqlState,"42S12")) || // tested by Christopher Ludwik Marino-Cebulski using v3.23.21beta
+ (pDb->Dbms() == dbmsPOSTGRES && !wxStrcmp(pDb->sqlState,"08S01"))
+ ))
+ {
+ pDb->DispNextError();
+ pDb->DispAllErrors(henv, hdbc, hstmt);
+ pDb->RollbackTrans();
+ CloseCursor(hstmt);
+ return(FALSE);
+ }
+ }
+ }
+
+ // Commit the transaction and close the cursor
+ if (! pDb->CommitTrans())
+ return(FALSE);
+ if (! CloseCursor(hstmt))
+ return(FALSE);
+
+ return(TRUE);
+} // wxDbTable::DropIndex()
+
+
+/********** wxDbTable::SetOrderByColNums() **********/
+bool wxDbTable::SetOrderByColNums(int first, ... )
+{
+ int colNo = first;
+ va_list argptr;
+
+ bool abort = FALSE;
+ wxString tempStr;
+
+ va_start(argptr, first); /* Initialize variable arguments. */
+ while (!abort && (colNo != wxDB_NO_MORE_COLUMN_NUMBERS))
+ {
+ // Make sure the passed in column number
+ // is within the valid range of columns
+ //
+ // Valid columns are 0 thru noCols-1
+ if (colNo >= noCols || colNo < 0)
+ {
+ abort = TRUE;
+ continue;
+ }
-} // wxTable::Update()
+ if (colNo != first)
+ tempStr += ",";
-/********** wxTable::UpdateWhere() **********/
-bool wxTable::UpdateWhere(char *pWhereClause)
+ tempStr += colDefs[colNo].ColName;
+ colNo = va_arg (argptr, int);
+ }
+ va_end (argptr); /* Reset variable arguments. */
+
+ SetOrderByClause(tempStr.c_str());
+
+ return (!abort);
+} // wxDbTable::SetOrderByColNums()
+
+
+/********** wxDbTable::Insert() **********/
+int wxDbTable::Insert(void)
+{
+ assert(!queryOnly);
+ if (queryOnly || !insertable)
+ return(DB_FAILURE);
+
+ bindInsertParams();
+
+ // Insert the record by executing the already prepared insert statement
+ RETCODE retcode;
+ retcode=SQLExecute(hstmtInsert);
+ if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO)
+ {
+ // Check to see if integrity constraint was violated
+ pDb->GetNextError(henv, hdbc, hstmtInsert);
+ if (! wxStrcmp(pDb->sqlState, "23000")) // Integrity constraint violated
+ return(DB_ERR_INTEGRITY_CONSTRAINT_VIOL);
+ else
+ {
+ pDb->DispNextError();
+ pDb->DispAllErrors(henv, hdbc, hstmtInsert);
+ return(DB_FAILURE);
+ }
+ }
+
+ // Record inserted into the datasource successfully
+ return(DB_SUCCESS);
+
+} // wxDbTable::Insert()
+
+
+/********** wxDbTable::Update() **********/
+bool wxDbTable::Update(void)
{
- char sqlStmt[DB_MAX_STATEMENT_LEN];
+ assert(!queryOnly);
+ if (queryOnly)
+ return(FALSE);
- // Build the SQL UPDATE statement
- GetUpdateStmt(sqlStmt, DB_UPD_WHERE, pWhereClause);
+ char sqlStmt[DB_MAX_STATEMENT_LEN];
- pDb->WriteSqlLog(sqlStmt);
+ // Build the SQL UPDATE statement
+ BuildUpdateStmt(sqlStmt, DB_UPD_KEYFIELDS);
-#ifdef _CONSOLE
- cout << endl << sqlStmt << endl << endl;
+ pDb->WriteSqlLog(sqlStmt);
+
+#ifdef DBDEBUG_CONSOLE
+ cout << endl << sqlStmt << endl << endl;
#endif
- // Execute the SQL UPDATE statement
- return(execUpdate(sqlStmt));
+ // Execute the SQL UPDATE statement
+ return(execUpdate(sqlStmt));
+
+} // wxDbTable::Update()
-} // wxTable::UpdateWhere()
-/********** wxTable::Delete() **********/
-bool wxTable::Delete(void)
+/********** wxDbTable::Update(pSqlStmt) **********/
+bool wxDbTable::Update(const char *pSqlStmt)
{
- char sqlStmt[DB_MAX_STATEMENT_LEN];
+ assert(!queryOnly);
+ if (queryOnly)
+ return(FALSE);
- // Build the SQL DELETE statement
- GetDeleteStmt(sqlStmt, DB_DEL_KEYFIELDS);
+ pDb->WriteSqlLog(pSqlStmt);
- pDb->WriteSqlLog(sqlStmt);
+ return(execUpdate(pSqlStmt));
- // Execute the SQL DELETE statement
- return(execDelete(sqlStmt));
+} // wxDbTable::Update(pSqlStmt)
-} // wxTable::Delete()
-/********** wxTable::DeleteWhere() **********/
-bool wxTable::DeleteWhere(char *pWhereClause)
+/********** wxDbTable::UpdateWhere() **********/
+bool wxDbTable::UpdateWhere(const char *pWhereClause)
{
- char sqlStmt[DB_MAX_STATEMENT_LEN];
+ assert(!queryOnly);
+ if (queryOnly)
+ return(FALSE);
+
+ char sqlStmt[DB_MAX_STATEMENT_LEN];
+
+ // Build the SQL UPDATE statement
+ BuildUpdateStmt(sqlStmt, DB_UPD_WHERE, pWhereClause);
+
+ pDb->WriteSqlLog(sqlStmt);
- // Build the SQL DELETE statement
- GetDeleteStmt(sqlStmt, DB_DEL_WHERE, pWhereClause);
+#ifdef DBDEBUG_CONSOLE
+ cout << endl << sqlStmt << endl << endl;
+#endif
- pDb->WriteSqlLog(sqlStmt);
+ // Execute the SQL UPDATE statement
+ return(execUpdate(sqlStmt));
- // Execute the SQL DELETE statement
- return(execDelete(sqlStmt));
+} // wxDbTable::UpdateWhere()
-} // wxTable::DeleteWhere()
-/********** wxTable::DeleteMatching() **********/
-bool wxTable::DeleteMatching(void)
+/********** wxDbTable::Delete() **********/
+bool wxDbTable::Delete(void)
{
- char sqlStmt[DB_MAX_STATEMENT_LEN];
+ assert(!queryOnly);
+ if (queryOnly)
+ return(FALSE);
+
+ char sqlStmt[DB_MAX_STATEMENT_LEN];
+
+ // Build the SQL DELETE statement
+ BuildDeleteStmt(sqlStmt, DB_DEL_KEYFIELDS);
- // Build the SQL DELETE statement
- GetDeleteStmt(sqlStmt, DB_DEL_MATCHING);
+ pDb->WriteSqlLog(sqlStmt);
- pDb->WriteSqlLog(sqlStmt);
+ // Execute the SQL DELETE statement
+ return(execDelete(sqlStmt));
- // Execute the SQL DELETE statement
- return(execDelete(sqlStmt));
+} // wxDbTable::Delete()
-} // wxTable::DeleteMatching()
-/********** wxTable::execDelete() **********/
-bool wxTable::execDelete(char *pSqlStmt)
+/********** wxDbTable::DeleteWhere() **********/
+bool wxDbTable::DeleteWhere(const char *pWhereClause)
{
- // Execute the DELETE statement
- if (SQLExecDirect(hstmtDelete, (UCHAR FAR *) pSqlStmt, SQL_NTS) != SQL_SUCCESS)
- return(pDb->DispAllErrors(henv, hdbc, hstmtDelete));
+ assert(!queryOnly);
+ if (queryOnly)
+ return(FALSE);
+
+ char sqlStmt[DB_MAX_STATEMENT_LEN];
+
+ // Build the SQL DELETE statement
+ BuildDeleteStmt(sqlStmt, DB_DEL_WHERE, pWhereClause);
- // Record deleted successfully
- return(TRUE);
+ pDb->WriteSqlLog(sqlStmt);
-} // wxTable::execDelete()
+ // Execute the SQL DELETE statement
+ return(execDelete(sqlStmt));
-/********** wxTable::execUpdate() **********/
-bool wxTable::execUpdate(char *pSqlStmt)
+} // wxDbTable::DeleteWhere()
+
+
+/********** wxDbTable::DeleteMatching() **********/
+bool wxDbTable::DeleteMatching(void)
{
- // Execute the UPDATE statement
- if (SQLExecDirect(hstmtUpdate, (UCHAR FAR *) pSqlStmt, SQL_NTS) != SQL_SUCCESS)
- return(pDb->DispAllErrors(henv, hdbc, hstmtUpdate));
+ assert(!queryOnly);
+ if (queryOnly)
+ return(FALSE);
+
+ char sqlStmt[DB_MAX_STATEMENT_LEN];
+
+ // Build the SQL DELETE statement
+ BuildDeleteStmt(sqlStmt, DB_DEL_MATCHING);
+
+ pDb->WriteSqlLog(sqlStmt);
- // Record deleted successfully
- return(TRUE);
+ // Execute the SQL DELETE statement
+ return(execDelete(sqlStmt));
-} // wxTable::execUpdate()
+} // wxDbTable::DeleteMatching()
-/********** wxTable::GetUpdateStmt() **********/
-void wxTable::GetUpdateStmt(char *pSqlStmt, int typeOfUpd, char *pWhereClause)
+
+/********** wxDbTable::BuildUpdateStmt() **********/
+void wxDbTable::BuildUpdateStmt(char *pSqlStmt, int typeOfUpd, const char *pWhereClause)
{
- char whereClause[DB_MAX_WHERE_CLAUSE_LEN];
- bool firstColumn = TRUE;
-
- whereClause[0] = 0;
- sprintf(pSqlStmt, "UPDATE %s SET ", tableName);
-
- // Append a list of columns to be updated
- for (int i = 0; i < noCols; i++)
- {
- // Only append Updateable columns
- if (colDefs[i].Updateable)
- {
- if (! firstColumn)
- strcat(pSqlStmt, ",");
- else
- firstColumn = FALSE;
- strcat(pSqlStmt, colDefs[i].ColName);
- strcat(pSqlStmt, " = ?");
- }
- }
-
- // Append the WHERE clause to the SQL UPDATE statement
- strcat(pSqlStmt, " WHERE ");
- switch(typeOfUpd)
- {
- case DB_UPD_KEYFIELDS:
- // If the datasource supports the ROWID column, build
- // the where on ROWID for efficiency purposes.
- // e.g. UPDATE PARTS SET C1 = ?, C2 = ? WHERE ROWID = '111.222.333'
- if (CanUpdByROWID())
- {
- SDWORD cb;
- char rowid[ROWID_LEN];
-
- // Get the ROWID value. If not successful retreiving the ROWID,
- // simply fall down through the code and build the WHERE clause
- // based on the key fields.
- if (SQLGetData(hstmt, noCols+1, SQL_C_CHAR, (UCHAR*) rowid, ROWID_LEN, &cb) == SQL_SUCCESS)
- {
- strcat(pSqlStmt, "ROWID = '");
- strcat(pSqlStmt, rowid);
- strcat(pSqlStmt, "'");
- break;
- }
- }
- // Unable to delete by ROWID, so build a WHERE
- // clause based on the keyfields.
- GetWhereClause(whereClause, DB_WHERE_KEYFIELDS);
- strcat(pSqlStmt, whereClause);
- break;
- case DB_UPD_WHERE:
- strcat(pSqlStmt, pWhereClause);
- break;
- }
-
-} // GetUpdateStmt()
-
-/********** wxTable::GetDeleteStmt() **********/
-void wxTable::GetDeleteStmt(char *pSqlStmt, int typeOfDel, char *pWhereClause)
+ assert(!queryOnly);
+ if (queryOnly)
+ return;
+
+ char whereClause[DB_MAX_WHERE_CLAUSE_LEN];
+ bool firstColumn = TRUE;
+
+ whereClause[0] = 0;
+ sprintf(pSqlStmt, "UPDATE %s SET ", tableName);
+
+ // Append a list of columns to be updated
+ int i;
+ for (i = 0; i < noCols; i++)
+ {
+ // Only append Updateable columns
+ if (colDefs[i].Updateable)
+ {
+ if (! firstColumn)
+ wxStrcat(pSqlStmt, ",");
+ else
+ firstColumn = FALSE;
+ wxStrcat(pSqlStmt, colDefs[i].ColName);
+ wxStrcat(pSqlStmt, " = ?");
+ }
+ }
+
+ // Append the WHERE clause to the SQL UPDATE statement
+ wxStrcat(pSqlStmt, " WHERE ");
+ switch(typeOfUpd)
+ {
+ case DB_UPD_KEYFIELDS:
+ // If the datasource supports the ROWID column, build
+ // the where on ROWID for efficiency purposes.
+ // e.g. UPDATE PARTS SET Col1 = ?, Col2 = ? WHERE ROWID = '111.222.333'
+ if (CanUpdByROWID())
+ {
+ SDWORD cb;
+ char rowid[wxDB_ROWID_LEN];
+
+ // Get the ROWID value. If not successful retreiving the ROWID,
+ // simply fall down through the code and build the WHERE clause
+ // based on the key fields.
+ if (SQLGetData(hstmt, noCols+1, SQL_C_CHAR, (UCHAR*) rowid, wxDB_ROWID_LEN, &cb) == SQL_SUCCESS)
+ {
+ wxStrcat(pSqlStmt, "ROWID = '");
+ wxStrcat(pSqlStmt, rowid);
+ wxStrcat(pSqlStmt, "'");
+ break;
+ }
+ }
+ // Unable to delete by ROWID, so build a WHERE
+ // clause based on the keyfields.
+ BuildWhereClause(whereClause, DB_WHERE_KEYFIELDS);
+ wxStrcat(pSqlStmt, whereClause);
+ break;
+ case DB_UPD_WHERE:
+ wxStrcat(pSqlStmt, pWhereClause);
+ break;
+ }
+} // BuildUpdateStmt()
+
+
+/********** wxDbTable::BuildDeleteStmt() **********/
+void wxDbTable::BuildDeleteStmt(char *pSqlStmt, int typeOfDel, const char *pWhereClause)
{
- char whereClause[DB_MAX_WHERE_CLAUSE_LEN];
-
- whereClause[0] = 0;
-
- // Handle the case of DeleteWhere() and the where clause is blank. It should
- // delete all records from the database in this case.
- if (typeOfDel == DB_DEL_WHERE && (pWhereClause == 0 || strlen(pWhereClause) == 0))
- {
- sprintf(pSqlStmt, "DELETE FROM %s", tableName);
- return;
- }
-
- sprintf(pSqlStmt, "DELETE FROM %s WHERE ", tableName);
-
- // Append the WHERE clause to the SQL DELETE statement
- switch(typeOfDel)
- {
- case DB_DEL_KEYFIELDS:
- // If the datasource supports the ROWID column, build
- // the where on ROWID for efficiency purposes.
- // e.g. DELETE FROM PARTS WHERE ROWID = '111.222.333'
- if (CanUpdByROWID())
- {
- SDWORD cb;
- char rowid[ROWID_LEN];
-
- // Get the ROWID value. If not successful retreiving the ROWID,
- // simply fall down through the code and build the WHERE clause
- // based on the key fields.
- if (SQLGetData(hstmt, noCols+1, SQL_C_CHAR, (UCHAR*) rowid, ROWID_LEN, &cb) == SQL_SUCCESS)
- {
- strcat(pSqlStmt, "ROWID = '");
- strcat(pSqlStmt, rowid);
- strcat(pSqlStmt, "'");
- break;
- }
- }
- // Unable to delete by ROWID, so build a WHERE
- // clause based on the keyfields.
- GetWhereClause(whereClause, DB_WHERE_KEYFIELDS);
- strcat(pSqlStmt, whereClause);
- break;
- case DB_DEL_WHERE:
- strcat(pSqlStmt, pWhereClause);
- break;
- case DB_DEL_MATCHING:
- GetWhereClause(whereClause, DB_WHERE_MATCHING);
- strcat(pSqlStmt, whereClause);
- break;
- }
-
-} // GetDeleteStmt()
-
-/********** wxTable::GetWhereClause() **********/
+ assert(!queryOnly);
+ if (queryOnly)
+ return;
+
+ char whereClause[DB_MAX_WHERE_CLAUSE_LEN];
+
+ whereClause[0] = 0;
+
+ // Handle the case of DeleteWhere() and the where clause is blank. It should
+ // delete all records from the database in this case.
+ if (typeOfDel == DB_DEL_WHERE && (pWhereClause == 0 || wxStrlen(pWhereClause) == 0))
+ {
+ sprintf(pSqlStmt, "DELETE FROM %s", tableName);
+ return;
+ }
+
+ sprintf(pSqlStmt, "DELETE FROM %s WHERE ", tableName);
+
+ // Append the WHERE clause to the SQL DELETE statement
+ switch(typeOfDel)
+ {
+ case DB_DEL_KEYFIELDS:
+ // If the datasource supports the ROWID column, build
+ // the where on ROWID for efficiency purposes.
+ // e.g. DELETE FROM PARTS WHERE ROWID = '111.222.333'
+ if (CanUpdByROWID())
+ {
+ SDWORD cb;
+ char rowid[wxDB_ROWID_LEN];
+
+ // Get the ROWID value. If not successful retreiving the ROWID,
+ // simply fall down through the code and build the WHERE clause
+ // based on the key fields.
+ if (SQLGetData(hstmt, noCols+1, SQL_C_CHAR, (UCHAR*) rowid, wxDB_ROWID_LEN, &cb) == SQL_SUCCESS)
+ {
+ wxStrcat(pSqlStmt, "ROWID = '");
+ wxStrcat(pSqlStmt, rowid);
+ wxStrcat(pSqlStmt, "'");
+ break;
+ }
+ }
+ // Unable to delete by ROWID, so build a WHERE
+ // clause based on the keyfields.
+ BuildWhereClause(whereClause, DB_WHERE_KEYFIELDS);
+ wxStrcat(pSqlStmt, whereClause);
+ break;
+ case DB_DEL_WHERE:
+ wxStrcat(pSqlStmt, pWhereClause);
+ break;
+ case DB_DEL_MATCHING:
+ BuildWhereClause(whereClause, DB_WHERE_MATCHING);
+ wxStrcat(pSqlStmt, whereClause);
+ break;
+ }
+
+} // BuildDeleteStmt()
+
+
+/********** wxDbTable::BuildWhereClause() **********/
+void wxDbTable::BuildWhereClause(char *pWhereClause, int typeOfWhere,
+ const char *qualTableName, bool useLikeComparison)
/*
- * Note: GetWhereClause() currently ignores timestamp columns.
+ * Note: BuildWhereClause() currently ignores timestamp columns.
* They are not included as part of the where clause.
*/
+{
+ bool moreThanOneColumn = FALSE;
+ char colValue[255];
+
+ // Loop through the columns building a where clause as you go
+ int i;
+ for (i = 0; i < noCols; i++)
+ {
+ // Determine if this column should be included in the WHERE clause
+ if ((typeOfWhere == DB_WHERE_KEYFIELDS && colDefs[i].KeyField) ||
+ (typeOfWhere == DB_WHERE_MATCHING && (!IsColNull(i))))
+ {
+ // Skip over timestamp columns
+ if (colDefs[i].SqlCtype == SQL_C_TIMESTAMP)
+ continue;
+ // If there is more than 1 column, join them with the keyword "AND"
+ if (moreThanOneColumn)
+ wxStrcat(pWhereClause, " AND ");
+ else
+ moreThanOneColumn = TRUE;
+ // Concatenate where phrase for the column
+ if (qualTableName && wxStrlen(qualTableName))
+ {
+ wxStrcat(pWhereClause, qualTableName);
+ wxStrcat(pWhereClause, ".");
+ }
+ wxStrcat(pWhereClause, colDefs[i].ColName);
+ if (useLikeComparison && (colDefs[i].SqlCtype == SQL_C_CHAR))
+ wxStrcat(pWhereClause, " LIKE ");
+ else
+ wxStrcat(pWhereClause, " = ");
+ switch(colDefs[i].SqlCtype)
+ {
+ case SQL_C_CHAR:
+ sprintf(colValue, "'%s'", (UCHAR FAR *) colDefs[i].PtrDataObj);
+ break;
+ case SQL_C_SSHORT:
+ sprintf(colValue, "%hi", *((SWORD *) colDefs[i].PtrDataObj));
+ break;
+ case SQL_C_USHORT:
+ sprintf(colValue, "%hu", *((UWORD *) colDefs[i].PtrDataObj));
+ break;
+ case SQL_C_SLONG:
+ sprintf(colValue, "%li", *((SDWORD *) colDefs[i].PtrDataObj));
+ break;
+ case SQL_C_ULONG:
+ sprintf(colValue, "%lu", *((UDWORD *) colDefs[i].PtrDataObj));
+ break;
+ case SQL_C_FLOAT:
+ sprintf(colValue, "%.6f", *((SFLOAT *) colDefs[i].PtrDataObj));
+ break;
+ case SQL_C_DOUBLE:
+ sprintf(colValue, "%.6f", *((SDOUBLE *) colDefs[i].PtrDataObj));
+ break;
+ }
+ wxStrcat(pWhereClause, colValue);
+ }
+ }
+} // wxDbTable::BuildWhereClause()
+
+
+/********** wxDbTable::IsColNull() **********/
+bool wxDbTable::IsColNull(int colNo)
+{
+/*
+ This logic is just not right. It would indicate TRUE
+ if a numeric field were set to a value of 0.
+
+ switch(colDefs[colNo].SqlCtype)
+ {
+ case SQL_C_CHAR:
+ return(((UCHAR FAR *) colDefs[colNo].PtrDataObj)[0] == 0);
+ case SQL_C_SSHORT:
+ return(( *((SWORD *) colDefs[colNo].PtrDataObj)) == 0);
+ case SQL_C_USHORT:
+ return(( *((UWORD*) colDefs[colNo].PtrDataObj)) == 0);
+ case SQL_C_SLONG:
+ return(( *((SDWORD *) colDefs[colNo].PtrDataObj)) == 0);
+ case SQL_C_ULONG:
+ return(( *((UDWORD *) colDefs[colNo].PtrDataObj)) == 0);
+ case SQL_C_FLOAT:
+ return(( *((SFLOAT *) colDefs[colNo].PtrDataObj)) == 0);
+ case SQL_C_DOUBLE:
+ return((*((SDOUBLE *) colDefs[colNo].PtrDataObj)) == 0);
+ case SQL_C_TIMESTAMP:
+ TIMESTAMP_STRUCT *pDt;
+ pDt = (TIMESTAMP_STRUCT *) colDefs[colNo].PtrDataObj;
+ if (pDt->year == 0 && pDt->month == 0 && pDt->day == 0)
+ return(TRUE);
+ else
+ return(FALSE);
+ default:
+ return(TRUE);
+ }
+*/
+ return (colDefs[colNo].Null);
+} // wxDbTable::IsColNull()
+
-void wxTable::GetWhereClause(char *pWhereClause, int typeOfWhere, char *qualTableName)
+/********** wxDbTable::CanSelectForUpdate() **********/
+bool wxDbTable::CanSelectForUpdate(void)
{
- bool moreThanOneColumn = FALSE;
- char colValue[255];
-
- // Loop through the columns building a where clause as you go
- for (int i = 0; i < noCols; i++)
- {
- // Determine if this column should be included in the WHERE clause
- if ((typeOfWhere == DB_WHERE_KEYFIELDS && colDefs[i].KeyField) ||
- (typeOfWhere == DB_WHERE_MATCHING && (! IsColNull(i))))
- {
- // Skip over timestamp columns
- if (colDefs[i].SqlCtype == SQL_C_TIMESTAMP)
- continue;
- // If there is more than 1 column, join them with the keyword "AND"
- if (moreThanOneColumn)
- strcat(pWhereClause, " AND ");
- else
- moreThanOneColumn = TRUE;
- // Concatenate where phrase for the column
- if (qualTableName && strlen(qualTableName))
- {
- strcat(pWhereClause, qualTableName);
- strcat(pWhereClause, ".");
- }
- strcat(pWhereClause, colDefs[i].ColName);
- strcat(pWhereClause, " = ");
- switch(colDefs[i].SqlCtype)
- {
- case SQL_C_CHAR:
- sprintf(colValue, "'%s'", (UCHAR FAR *) colDefs[i].PtrDataObj);
- break;
- case SQL_C_SSHORT:
- sprintf(colValue, "%hi", *((SWORD *) colDefs[i].PtrDataObj));
- break;
- case SQL_C_USHORT:
- sprintf(colValue, "%hu", *((UWORD *) colDefs[i].PtrDataObj));
- break;
- case SQL_C_SLONG:
- sprintf(colValue, "%li", *((SDWORD *) colDefs[i].PtrDataObj));
- break;
- case SQL_C_ULONG:
- sprintf(colValue, "%lu", *((UDWORD *) colDefs[i].PtrDataObj));
- break;
- case SQL_C_FLOAT:
- sprintf(colValue, "%.6f", *((SFLOAT *) colDefs[i].PtrDataObj));
- break;
- case SQL_C_DOUBLE:
- sprintf(colValue, "%.6f", *((SDOUBLE *) colDefs[i].PtrDataObj));
- break;
- }
- strcat(pWhereClause, colValue);
- }
- }
-
-} // wxTable::GetWhereClause()
-
-/********** wxTable::IsColNull() **********/
-bool wxTable::IsColNull(int colNo)
+ if (queryOnly)
+ return FALSE;
+
+ if (pDb->Dbms() == dbmsMY_SQL)
+ return FALSE;
+
+ if ((pDb->Dbms() == dbmsORACLE) ||
+ (pDb->dbInf.posStmts & SQL_PS_SELECT_FOR_UPDATE))
+ return(TRUE);
+ else
+ return(FALSE);
+
+} // wxDbTable::CanSelectForUpdate()
+
+
+/********** wxDbTable::CanUpdByROWID() **********/
+bool wxDbTable::CanUpdByROWID(void)
{
- switch(colDefs[colNo].SqlCtype)
- {
- case SQL_C_CHAR:
- return(((UCHAR FAR *) colDefs[colNo].PtrDataObj)[0] == 0);
- case SQL_C_SSHORT:
- return(( *((SWORD *) colDefs[colNo].PtrDataObj)) == 0);
- case SQL_C_USHORT:
- return(( *((UWORD*) colDefs[colNo].PtrDataObj)) == 0);
- case SQL_C_SLONG:
- return(( *((SDWORD *) colDefs[colNo].PtrDataObj)) == 0);
- case SQL_C_ULONG:
- return(( *((UDWORD *) colDefs[colNo].PtrDataObj)) == 0);
- case SQL_C_FLOAT:
- return(( *((SFLOAT *) colDefs[colNo].PtrDataObj)) == 0);
- case SQL_C_DOUBLE:
- return((*((SDOUBLE *) colDefs[colNo].PtrDataObj)) == 0);
- case SQL_C_TIMESTAMP:
- TIMESTAMP_STRUCT *pDt;
- pDt = (TIMESTAMP_STRUCT *) colDefs[colNo].PtrDataObj;
- if (pDt->year == 0 && pDt->month == 0 && pDt->day == 0)
- return(TRUE);
- else
- return(FALSE);
- default:
- return(TRUE);
- }
-
-} // wxTable::IsColNull()
-
-/********** wxTable::CanSelectForUpdate() **********/
-
-bool wxTable::CanSelectForUpdate(void)
+/*
+ * NOTE: Returning FALSE for now until this can be debugged,
+ * as the ROWID is not getting updated correctly
+ */
+ return FALSE;
+
+ if (pDb->Dbms() == dbmsORACLE)
+ return(TRUE);
+ else
+ return(FALSE);
+
+} // wxDbTable::CanUpdByROWID()
+
+
+/********** wxDbTable::IsCursorClosedOnCommit() **********/
+bool wxDbTable::IsCursorClosedOnCommit(void)
{
-#ifndef __WXGTK__
- if (pDb->dbInf.posStmts & SQL_PS_SELECT_FOR_UPDATE)
- return(TRUE);
- else
-#endif
- return(FALSE);
+ if (pDb->dbInf.cursorCommitBehavior == SQL_CB_PRESERVE)
+ return(FALSE);
+ else
+ return(TRUE);
+
+} // wxDbTable::IsCursorClosedOnCommit()
-} // wxTable::CanSelectForUpdate()
-/********** wxTable::CanUpdByROWID() **********/
-bool wxTable::CanUpdByROWID(void)
+
+/********** wxDbTable::ClearMemberVar() **********/
+void wxDbTable::ClearMemberVar(int colNo, bool setToNull)
+{
+ assert(colNo < noCols);
+
+ switch(colDefs[colNo].SqlCtype)
+ {
+ case SQL_C_CHAR:
+ ((UCHAR FAR *) colDefs[colNo].PtrDataObj)[0] = 0;
+ break;
+ case SQL_C_SSHORT:
+ *((SWORD *) colDefs[colNo].PtrDataObj) = 0;
+ break;
+ case SQL_C_USHORT:
+ *((UWORD*) colDefs[colNo].PtrDataObj) = 0;
+ break;
+ case SQL_C_SLONG:
+ *((SDWORD *) colDefs[colNo].PtrDataObj) = 0;
+ break;
+ case SQL_C_ULONG:
+ *((UDWORD *) colDefs[colNo].PtrDataObj) = 0;
+ break;
+ case SQL_C_FLOAT:
+ *((SFLOAT *) colDefs[colNo].PtrDataObj) = 0.0f;
+ break;
+ case SQL_C_DOUBLE:
+ *((SDOUBLE *) colDefs[colNo].PtrDataObj) = 0.0f;
+ break;
+ case SQL_C_TIMESTAMP:
+ TIMESTAMP_STRUCT *pDt;
+ pDt = (TIMESTAMP_STRUCT *) colDefs[colNo].PtrDataObj;
+ pDt->year = 0;
+ pDt->month = 0;
+ pDt->day = 0;
+ pDt->hour = 0;
+ pDt->minute = 0;
+ pDt->second = 0;
+ pDt->fraction = 0;
+ break;
+ }
+
+ if (setToNull)
+ SetColNull(colNo);
+} // wxDbTable::ClearMemberVar()
+
+
+/********** wxDbTable::ClearMemberVars() **********/
+void wxDbTable::ClearMemberVars(bool setToNull)
{
+ int i;
-//NOTE: Returning FALSE for now until this can be debugged,
-// as the ROWID is not getting updated correctly
- return FALSE;
+ // Loop through the columns setting each member variable to zero
+ for (i=0; i < noCols; i++)
+ ClearMemberVar(i,setToNull);
- if ((! strcmp(pDb->dbInf.dbmsName, "Oracle")) || (! strcmp(pDb->dbInf.dbmsName, "ORACLE")))
- return(TRUE);
- else
- return(FALSE);
+} // wxDbTable::ClearMemberVars()
-} // wxTable::CanUpdByROWID()
-/********** wxTable::IsCursorClosedOnCommit() **********/
-bool wxTable::IsCursorClosedOnCommit(void)
+/********** wxDbTable::SetQueryTimeout() **********/
+bool wxDbTable::SetQueryTimeout(UDWORD nSeconds)
{
- if (pDb->dbInf.cursorCommitBehavior == SQL_CB_PRESERVE)
- return(FALSE);
- else
- return(TRUE);
+ if (SQLSetStmtOption(hstmtInsert, SQL_QUERY_TIMEOUT, nSeconds) != SQL_SUCCESS)
+ return(pDb->DispAllErrors(henv, hdbc, hstmtInsert));
+ if (SQLSetStmtOption(hstmtUpdate, SQL_QUERY_TIMEOUT, nSeconds) != SQL_SUCCESS)
+ return(pDb->DispAllErrors(henv, hdbc, hstmtUpdate));
+ if (SQLSetStmtOption(hstmtDelete, SQL_QUERY_TIMEOUT, nSeconds) != SQL_SUCCESS)
+ return(pDb->DispAllErrors(henv, hdbc, hstmtDelete));
+ if (SQLSetStmtOption(hstmtInternal, SQL_QUERY_TIMEOUT, nSeconds) != SQL_SUCCESS)
+ return(pDb->DispAllErrors(henv, hdbc, hstmtInternal));
-} // wxTable::IsCursorClosedOnCommit()
+ // Completed Successfully
+ return(TRUE);
-/********** wxTable::ClearMemberVars() **********/
-void wxTable::ClearMemberVars(void)
+} // wxDbTable::SetQueryTimeout()
+
+
+/********** wxDbTable::SetColDefs() **********/
+void wxDbTable::SetColDefs(int index, const char *fieldName, int dataType, void *pData,
+ int cType, int size, bool keyField, bool upd,
+ bool insAllow, bool derivedCol)
+{
+ if (!colDefs) // May happen if the database connection fails
+ return;
+
+ if (wxStrlen(fieldName) > (unsigned int) DB_MAX_COLUMN_NAME_LEN)
+ {
+ wxStrncpy (colDefs[index].ColName, fieldName, DB_MAX_COLUMN_NAME_LEN);
+ colDefs[index].ColName[DB_MAX_COLUMN_NAME_LEN] = 0;
+ }
+ else
+ wxStrcpy(colDefs[index].ColName, fieldName);
+
+ colDefs[index].DbDataType = dataType;
+ colDefs[index].PtrDataObj = pData;
+ colDefs[index].SqlCtype = cType;
+ colDefs[index].SzDataObj = size;
+ colDefs[index].KeyField = keyField;
+ colDefs[index].DerivedCol = derivedCol;
+ // Derived columns by definition would NOT be "Insertable" or "Updateable"
+ if (derivedCol)
+ {
+ colDefs[index].Updateable = FALSE;
+ colDefs[index].InsertAllowed = FALSE;
+ }
+ else
+ {
+ colDefs[index].Updateable = upd;
+ colDefs[index].InsertAllowed = insAllow;
+ }
+
+ colDefs[index].Null = FALSE;
+
+} // wxDbTable::SetColDefs()
+
+
+/********** wxDbTable::SetColDefs() **********/
+wxDbColDataPtr* wxDbTable::SetColDefs(wxDbColInf *pColInfs, ULONG numCols)
{
- // Loop through the columns setting each member variable to zero
- for (int i = 0; i < noCols; i++)
- {
- switch(colDefs[i].SqlCtype)
- {
- case SQL_C_CHAR:
- ((UCHAR FAR *) colDefs[i].PtrDataObj)[0] = 0;
- break;
- case SQL_C_SSHORT:
- *((SWORD *) colDefs[i].PtrDataObj) = 0;
- break;
- case SQL_C_USHORT:
- *((UWORD*) colDefs[i].PtrDataObj) = 0;
- break;
- case SQL_C_SLONG:
- *((SDWORD *) colDefs[i].PtrDataObj) = 0;
- break;
- case SQL_C_ULONG:
- *((UDWORD *) colDefs[i].PtrDataObj) = 0;
- break;
- case SQL_C_FLOAT:
- *((SFLOAT *) colDefs[i].PtrDataObj) = 0.0f;
- break;
- case SQL_C_DOUBLE:
- *((SDOUBLE *) colDefs[i].PtrDataObj) = 0.0f;
- break;
- case SQL_C_TIMESTAMP:
- TIMESTAMP_STRUCT *pDt;
- pDt = (TIMESTAMP_STRUCT *) colDefs[i].PtrDataObj;
- pDt->year = 0;
- pDt->month = 0;
- pDt->day = 0;
- pDt->hour = 0;
- pDt->minute = 0;
- pDt->second = 0;
- pDt->fraction = 0;
- break;
- }
- }
-
-} // wxTable::ClearMemberVars()
-
-/********** wxTable::SetQueryTimeout() **********/
-bool wxTable::SetQueryTimeout(UDWORD nSeconds)
+ assert(pColInfs);
+ wxDbColDataPtr *pColDataPtrs = NULL;
+
+ if (pColInfs)
+ {
+ ULONG index;
+
+ pColDataPtrs = new wxDbColDataPtr[numCols+1];
+
+ for (index = 0; index < numCols; index++)
+ {
+ // Process the fields
+ switch (pColInfs[index].dbDataType)
+ {
+ case DB_DATA_TYPE_VARCHAR:
+ pColDataPtrs[index].PtrDataObj = new char[pColInfs[index].bufferLength+1];
+ pColDataPtrs[index].SzDataObj = pColInfs[index].columnSize;
+ pColDataPtrs[index].SqlCtype = SQL_C_CHAR;
+ break;
+ case DB_DATA_TYPE_INTEGER:
+ // Can be long or short
+ if (pColInfs[index].bufferLength == sizeof(long))
+ {
+ pColDataPtrs[index].PtrDataObj = new long;
+ pColDataPtrs[index].SzDataObj = sizeof(long);
+ pColDataPtrs[index].SqlCtype = SQL_C_SLONG;
+ }
+ else
+ {
+ pColDataPtrs[index].PtrDataObj = new short;
+ pColDataPtrs[index].SzDataObj = sizeof(short);
+ pColDataPtrs[index].SqlCtype = SQL_C_SSHORT;
+ }
+ break;
+ case DB_DATA_TYPE_FLOAT:
+ // Can be float or double
+ if (pColInfs[index].bufferLength == sizeof(float))
+ {
+ pColDataPtrs[index].PtrDataObj = new float;
+ pColDataPtrs[index].SzDataObj = sizeof(float);
+ pColDataPtrs[index].SqlCtype = SQL_C_FLOAT;
+ }
+ else
+ {
+ pColDataPtrs[index].PtrDataObj = new double;
+ pColDataPtrs[index].SzDataObj = sizeof(double);
+ pColDataPtrs[index].SqlCtype = SQL_C_DOUBLE;
+ }
+ break;
+ case DB_DATA_TYPE_DATE:
+ pColDataPtrs[index].PtrDataObj = new TIMESTAMP_STRUCT;
+ pColDataPtrs[index].SzDataObj = sizeof(TIMESTAMP_STRUCT);
+ pColDataPtrs[index].SqlCtype = SQL_C_TIMESTAMP;
+ break;
+ }
+ SetColDefs (index,pColInfs[index].colName,pColInfs[index].dbDataType, pColDataPtrs[index].PtrDataObj, pColDataPtrs[index].SqlCtype, pColDataPtrs[index].SzDataObj);
+ }
+ }
+
+ return (pColDataPtrs);
+
+} // wxDbTable::SetColDefs()
+
+
+/********** wxDbTable::SetCursor() **********/
+void wxDbTable::SetCursor(HSTMT *hstmtActivate)
{
- if (SQLSetStmtOption(c0, SQL_QUERY_TIMEOUT, nSeconds) != SQL_SUCCESS)
- return(pDb->DispAllErrors(henv, hdbc, c0));
- if (SQLSetStmtOption(c1, SQL_QUERY_TIMEOUT, nSeconds) != SQL_SUCCESS)
- return(pDb->DispAllErrors(henv, hdbc, c1));
- if (SQLSetStmtOption(c2, SQL_QUERY_TIMEOUT, nSeconds) != SQL_SUCCESS)
- return(pDb->DispAllErrors(henv, hdbc, c2));
-// if (SQLSetStmtOption(c3, SQL_QUERY_TIMEOUT, nSeconds) != SQL_SUCCESS)
-// return(pDb->DispAllErrors(henv, hdbc, c3));
-// if (SQLSetStmtOption(c4, SQL_QUERY_TIMEOUT, nSeconds) != SQL_SUCCESS)
-// return(pDb->DispAllErrors(henv, hdbc, c4));
-// if (SQLSetStmtOption(c5, SQL_QUERY_TIMEOUT, nSeconds) != SQL_SUCCESS)
-// return(pDb->DispAllErrors(henv, hdbc, c5));
- if (SQLSetStmtOption(hstmtInsert, SQL_QUERY_TIMEOUT, nSeconds) != SQL_SUCCESS)
- return(pDb->DispAllErrors(henv, hdbc, hstmtInsert));
- if (SQLSetStmtOption(hstmtUpdate, SQL_QUERY_TIMEOUT, nSeconds) != SQL_SUCCESS)
- return(pDb->DispAllErrors(henv, hdbc, hstmtUpdate));
- if (SQLSetStmtOption(hstmtDelete, SQL_QUERY_TIMEOUT, nSeconds) != SQL_SUCCESS)
- return(pDb->DispAllErrors(henv, hdbc, hstmtDelete));
- if (SQLSetStmtOption(hstmtCount, SQL_QUERY_TIMEOUT, nSeconds) != SQL_SUCCESS)
- return(pDb->DispAllErrors(henv, hdbc, hstmtCount));
-
- // Completed Successfully
- return(TRUE);
-
-} // wxTable::SetQueryTimeout()
-
-/********** wxTable::SetColDefs() **********/
-void wxTable::SetColDefs (int index, char *fieldName, int dataType, void *pData,
- int cType, int size, bool keyField, bool upd,
- bool insAllow, bool derivedCol)
+ if (hstmtActivate == wxDB_DEFAULT_CURSOR)
+ hstmt = *hstmtDefault;
+ else
+ hstmt = *hstmtActivate;
+
+} // wxDbTable::SetCursor()
+
+
+/********** wxDbTable::Count(const char *) **********/
+ULONG wxDbTable::Count(const char *args)
{
- // Please, no uint, it doesn't exist for VC++
- if (strlen(fieldName) > (unsigned int) DB_MAX_COLUMN_NAME_LEN) // glt 4/21/97
- {
- strncpy (colDefs[index].ColName, fieldName, DB_MAX_COLUMN_NAME_LEN);
- colDefs[index].ColName[DB_MAX_COLUMN_NAME_LEN] = 0; // glt 10/23/97
- }
- else
- strcpy(colDefs[index].ColName, fieldName);
-
- colDefs[index].DbDataType = dataType;
- colDefs[index].PtrDataObj = pData;
- colDefs[index].SqlCtype = cType;
- colDefs[index].SzDataObj = size;
- colDefs[index].KeyField = keyField;
- colDefs[index].DerivedCol = derivedCol;
- // Derived columns by definition would NOT be "Insertable" or "Updateable"
- if (derivedCol)
- {
- colDefs[index].Updateable = FALSE;
- colDefs[index].InsertAllowed = FALSE;
- }
- else
- {
- colDefs[index].Updateable = upd;
- colDefs[index].InsertAllowed = insAllow;
- }
-
-} // wxTable::SetColDefs()
-
-/********** wxTable::SetCursor() **********/
-bool wxTable::SetCursor(int cursorNo)
+ ULONG count;
+ wxString sqlStmt;
+ SDWORD cb;
+
+ // Build a "SELECT COUNT(*) FROM queryTableName [WHERE whereClause]" SQL Statement
+ sqlStmt = "SELECT COUNT(";
+ sqlStmt += args;
+ sqlStmt += ") FROM ";
+ sqlStmt += queryTableName;
+#if wxODBC_BACKWARD_COMPATABILITY
+ if (from && wxStrlen(from))
+#else
+ if (from.Length())
+#endif
+ sqlStmt += from;
+
+ // Add the where clause if one is provided
+#if wxODBC_BACKWARD_COMPATABILITY
+ if (where && wxStrlen(where))
+#else
+ if (where.Length())
+#endif
+ {
+ sqlStmt += " WHERE ";
+ sqlStmt += where;
+ }
+
+ pDb->WriteSqlLog(sqlStmt.c_str());
+
+ // Initialize the Count cursor if it's not already initialized
+ if (!hstmtCount)
+ {
+ hstmtCount = GetNewCursor(FALSE,FALSE);
+ assert(hstmtCount);
+ if (!hstmtCount)
+ return(0);
+ }
+
+ // Execute the SQL statement
+ if (SQLExecDirect(*hstmtCount, (UCHAR FAR *) sqlStmt.c_str(), SQL_NTS) != SQL_SUCCESS)
+ {
+ pDb->DispAllErrors(henv, hdbc, *hstmtCount);
+ return(0);
+ }
+
+ // Fetch the record
+ if (SQLFetch(*hstmtCount) != SQL_SUCCESS)
+ {
+ pDb->DispAllErrors(henv, hdbc, *hstmtCount);
+ return(0);
+ }
+
+ // Obtain the result
+ if (SQLGetData(*hstmtCount, 1, SQL_C_ULONG, &count, sizeof(count), &cb) != SQL_SUCCESS)
+ {
+ pDb->DispAllErrors(henv, hdbc, *hstmtCount);
+ return(0);
+ }
+
+ // Free the cursor
+ if (SQLFreeStmt(*hstmtCount, SQL_CLOSE) != SQL_SUCCESS)
+ pDb->DispAllErrors(henv, hdbc, *hstmtCount);
+
+ // Return the record count
+ return(count);
+
+} // wxDbTable::Count()
+
+
+/********** wxDbTable::Refresh() **********/
+bool wxDbTable::Refresh(void)
{
- switch(cursorNo)
- {
- case DB_CURSOR0:
- hstmt = c0;
- // currCursorNo doesn't change since Cursor0 is a temp cursor
- break;
- case DB_CURSOR1:
- hstmt = c1;
- currCursorNo = DB_CURSOR1;
- break;
- case DB_CURSOR2:
- hstmt = c2;
- currCursorNo = DB_CURSOR2;
- break;
-// case DB_CURSOR3:
-// hstmt = c3;
-// currCursorNo = DB_CURSOR3;
-// break;
-// case DB_CURSOR4:
-// hstmt = c4;
-// currCursorNo = DB_CURSOR4;
-// break;
-// case DB_CURSOR5:
-// hstmt = c5;
-// currCursorNo = DB_CURSOR5;
-// break;
- default:
- return(FALSE);
- }
-
- // Refresh the current record
-#ifndef FWD_ONLY_CURSORS
- UDWORD cRowsFetched;
- UWORD rowStatus;
- SQLExtendedFetch(hstmt, SQL_FETCH_NEXT, 0, &cRowsFetched, &rowStatus);
- SQLExtendedFetch(hstmt, SQL_FETCH_PRIOR, 0, &cRowsFetched, &rowStatus);
+ bool result = TRUE;
+
+ // Switch to the internal cursor so any active cursors are not corrupted
+ HSTMT currCursor = GetCursor();
+ hstmt = hstmtInternal;
+#if wxODBC_BACKWARD_COMPATABILITY
+ // Save the where and order by clauses
+ char *saveWhere = where;
+ char *saveOrderBy = orderBy;
+#else
+ wxString saveWhere = where;
+ wxString saveOrderBy = orderBy;
#endif
+ // Build a where clause to refetch the record with. Try and use the
+ // ROWID if it's available, ow use the key fields.
+ char whereClause[DB_MAX_WHERE_CLAUSE_LEN+1];
+ wxStrcpy(whereClause, "");
+ if (CanUpdByROWID())
+ {
+ SDWORD cb;
+ char rowid[wxDB_ROWID_LEN+1];
+
+ // Get the ROWID value. If not successful retreiving the ROWID,
+ // simply fall down through the code and build the WHERE clause
+ // based on the key fields.
+ if (SQLGetData(hstmt, noCols+1, SQL_C_CHAR, (UCHAR*) rowid, wxDB_ROWID_LEN, &cb) == SQL_SUCCESS)
+ {
+ wxStrcat(whereClause, queryTableName);
+ wxStrcat(whereClause, ".ROWID = '");
+ wxStrcat(whereClause, rowid);
+ wxStrcat(whereClause, "'");
+ }
+ }
+
+ // If unable to use the ROWID, build a where clause from the keyfields
+ if (wxStrlen(whereClause) == 0)
+ BuildWhereClause(whereClause, DB_WHERE_KEYFIELDS, queryTableName);
+
+ // Requery the record
+ where = whereClause;
+ orderBy = "";
+ if (!Query())
+ result = FALSE;
+
+ if (result && !GetNext())
+ result = FALSE;
+
+ // Switch back to original cursor
+ SetCursor(&currCursor);
+
+ // Free the internal cursor
+ if (SQLFreeStmt(hstmtInternal, SQL_CLOSE) != SQL_SUCCESS)
+ pDb->DispAllErrors(henv, hdbc, hstmtInternal);
+
+ // Restore the original where and order by clauses
+ where = saveWhere;
+ orderBy = saveOrderBy;
+
+ return(result);
+
+} // wxDbTable::Refresh()
+
+
+/********** wxDbTable::SetColNull(int colNo, bool set) **********/
+bool wxDbTable::SetColNull(int colNo, bool set)
+{
+ if (colNo < noCols)
+ {
+ colDefs[colNo].Null = set;
+ if (set) // Blank out the values in the member variable
+ ClearMemberVar(colNo,FALSE); // Must call with FALSE, or infinite recursion will happen
+ return(TRUE);
+ }
+ else
+ return(FALSE);
- // Completed successfully
- return(TRUE);
+} // wxDbTable::SetColNull(int colNo)
-} // wxTable::SetCursor()
-/********** wxTable::Count() **********/
-ULONG wxTable::Count(void)
+/********** wxDbTable::SetColNull(char *colName, bool set) **********/
+bool wxDbTable::SetColNull(const char *colName, bool set)
{
- ULONG l;
- char sqlStmt[DB_MAX_STATEMENT_LEN];
- SDWORD cb;
-
- // Build a "SELECT COUNT(*) FROM queryTableName [WHERE whereClause]" SQL Statement
- strcpy(sqlStmt, "SELECT COUNT(*) FROM ");
- strcat(sqlStmt, queryTableName);
-
- if (from && strlen(from))
- strcat(sqlStmt, from);
-
- // Add the where clause if one is provided
- if (where && strlen(where))
- {
- strcat(sqlStmt, " WHERE ");
- strcat(sqlStmt, where);
- }
-
- pDb->WriteSqlLog(sqlStmt);
-
- // Execute the SQL statement
- if (SQLExecDirect(hstmtCount, (UCHAR FAR *) sqlStmt, SQL_NTS) != SQL_SUCCESS)
- {
- pDb->DispAllErrors(henv, hdbc, hstmtCount);
- return(0);
- }
-
- // Fetch the record
- if (SQLFetch(hstmtCount) != SQL_SUCCESS)
- {
- pDb->DispAllErrors(henv, hdbc, hstmtCount);
- return(0);
- }
-
- // Obtain the result
- if (SQLGetData(hstmtCount, 1, SQL_C_ULONG, (UCHAR*) &l, sizeof(l), &cb) != SQL_SUCCESS)
- {
- pDb->DispAllErrors(henv, hdbc, hstmtCount);
- return(0);
- }
-
- // Free the cursor
- if (SQLFreeStmt(hstmtCount, SQL_CLOSE) != SQL_SUCCESS)
- pDb->DispAllErrors(henv, hdbc, hstmtCount);
-
- // Return the record count
- return(l);
-
-} // wxTable::Count()
-
-/********** wxTable::Refresh() **********/
-bool wxTable::Refresh(void)
+ int i;
+ for (i = 0; i < noCols; i++)
+ {
+ if (!wxStricmp(colName, colDefs[i].ColName))
+ break;
+ }
+
+ if (i < noCols)
+ {
+ colDefs[i].Null = set;
+ if (set) // Blank out the values in the member variable
+ ClearMemberVar(i,FALSE); // Must call with FALSE, or infinite recursion will happen
+ return(TRUE);
+ }
+ else
+ return(FALSE);
+
+} // wxDbTable::SetColNull(char *colName)
+
+
+/********** wxDbTable::GetNewCursor() **********/
+HSTMT *wxDbTable::GetNewCursor(bool setCursor, bool bindColumns)
{
- bool result = TRUE;
-
- // Switch to cursor 0
- int cursorNo = GetCursor();
- if (!SetCursor())
- return(FALSE);
-
- // Save the where and order by clauses
- char *saveWhere = where;
- char *saveOrderBy = orderBy;
-
- // Build a where clause to refetch the record with. Try and use the
- // ROWID if it's available, ow use the key fields.
- char whereClause[DB_MAX_WHERE_CLAUSE_LEN+1];
- strcpy(whereClause, "");
- if (CanUpdByROWID())
- {
- SDWORD cb;
- char rowid[ROWID_LEN+1];
-
- // Get the ROWID value. If not successful retreiving the ROWID,
- // simply fall down through the code and build the WHERE clause
- // based on the key fields.
- if (SQLGetData(hstmt, noCols+1, SQL_C_CHAR, (UCHAR*) rowid, ROWID_LEN, &cb) == SQL_SUCCESS)
- {
- strcat(whereClause, queryTableName);
- strcat(whereClause, ".ROWID = '");
- strcat(whereClause, rowid);
- strcat(whereClause, "'");
- }
- }
-
- // If unable to use the ROWID, build a where clause from the keyfields
- if (strlen(whereClause) == 0)
- GetWhereClause(whereClause, DB_WHERE_KEYFIELDS, queryTableName);
-
- // Requery the record
- where = whereClause;
- orderBy = 0;
- if (!Query())
- result = FALSE;
-
- if (result && !GetNext())
- result = FALSE;
-
- // Switch back to original cursor
- if (!SetCursor(cursorNo))
- result = FALSE;
-
- // Restore the original where and order by clauses
- where = saveWhere;
- orderBy = saveOrderBy;
-
- return(result);
-
-} // wxTable::Refresh()
+ HSTMT *newHSTMT = new HSTMT;
+ assert(newHSTMT);
+ if (!newHSTMT)
+ return(0);
+
+ if (SQLAllocStmt(hdbc, newHSTMT) != SQL_SUCCESS)
+ {
+ pDb->DispAllErrors(henv, hdbc);
+ delete newHSTMT;
+ return(0);
+ }
+
+ if (SQLSetStmtOption(*newHSTMT, SQL_CURSOR_TYPE, cursorType) != SQL_SUCCESS)
+ {
+ pDb->DispAllErrors(henv, hdbc, *newHSTMT);
+ delete newHSTMT;
+ return(0);
+ }
+
+ if (bindColumns)
+ {
+ if(!bindCols(*newHSTMT))
+ {
+ delete newHSTMT;
+ return(0);
+ }
+ }
+
+ if (setCursor)
+ SetCursor(newHSTMT);
+
+ return(newHSTMT);
+
+} // wxDbTable::GetNewCursor()
+
+
+/********** wxDbTable::DeleteCursor() **********/
+bool wxDbTable::DeleteCursor(HSTMT *hstmtDel)
+{
+ bool result = TRUE;
-#endif
- // wxUSE_ODBC
+ if (!hstmtDel) // Cursor already deleted
+ return(result);
+
+ if (SQLFreeStmt(*hstmtDel, SQL_DROP) != SQL_SUCCESS)
+ {
+ pDb->DispAllErrors(henv, hdbc);
+ result = FALSE;
+ }
+
+ delete hstmtDel;
+
+ return(result);
+
+} // wxDbTable::DeleteCursor()
+
+#endif // wxUSE_ODBC
projects / wxWidgets.git / blobdiff