///////////////////////////////////////////////////////////////////////////////
// Name: dbtable.cpp
-// Purpose: Implementation of the wxTable class.
+// Purpose: Implementation of the wxDbTable class.
// Author: Doug Card
// Modified by: George Tasker
-// Mods: April 1999
-// -Dynamic cursor support - Only one predefined cursor, as many others as
-// you need may be created on demand
-// -Reduced number of active cursors significantly
-// -Query-Only wxTable objects
+// Bart Jourquin
+// Mark Johnson
// Created: 9.96
// RCS-ID: $Id$
// Copyright: (c) 1996 Remstar International, Inc.
// Use this line for wxWindows v1.x
//#include "wx_ver.h"
// Use this line for wxWindows v2.x
-#include "wx/version.h"
#include "wx/wxprec.h"
+#include "wx/version.h"
#if wxMAJOR_VERSION == 2
-# ifdef __GNUG__
-# pragma implementation "dbtable.h"
-# endif
+ #ifdef __GNUG__
+ #pragma implementation "dbtable.h"
+ #endif
#endif
#ifdef DBDEBUG_CONSOLE
#include "wx/ioswrap.h"
#endif
+
#ifdef __BORLANDC__
#pragma hdrstop
#endif //__BORLANDC__
# define wxUSE_ODBC 1
#endif
+
#if wxUSE_ODBC
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
-#include <assert.h>
#if wxMAJOR_VERSION == 1
#include "table.h"
#endif
-/********** wxTable::wxTable() **********/
-wxTable::wxTable(wxDB *pwxDB, const char *tblName, const int nCols,
- const char *qryTblName, bool qryOnly, const char *tblPath)
+/********** wxDbColDef::wxDbColDef() Constructor **********/
+wxDbColDef::wxDbColDef()
{
- pDb = pwxDB; // Pointer to the wxDB object
+ Initialize();
+} // Constructor
+
+
+bool wxDbColDef::Initialize()
+{
+ ColName[0] = 0;
+ DbDataType = DB_DATA_TYPE_INTEGER;
+ SqlCtype = SQL_C_LONG;
+ PtrDataObj = NULL;
+ SzDataObj = 0;
+ KeyField = FALSE;
+ Updateable = FALSE;
+ InsertAllowed = FALSE;
+ DerivedCol = FALSE;
+ CbValue = 0;
+ Null = FALSE;
+
+ return TRUE;
+} // wxDbColDef::Initialize()
+
+
+/********** wxDbTable::wxDbTable() Constructor **********/
+wxDbTable::wxDbTable(wxDb *pwxDb, const wxString &tblName, const UWORD numColumns,
+ const wxString &qryTblName, bool qryOnly, const wxString &tblPath)
+{
+ if (!initialize(pwxDb, tblName, numColumns, qryTblName, qryOnly, tblPath))
+ cleanup();
+} // wxDbTable::wxDbTable()
+
+
+/***** DEPRECATED: use wxDbTable::wxDbTable() format above *****/
+wxDbTable::wxDbTable(wxDb *pwxDb, const wxString &tblName, const UWORD numColumns,
+ const wxChar *qryTblName, bool qryOnly, const wxString &tblPath)
+{
+ wxString tempQryTblName;
+ tempQryTblName = qryTblName;
+ if (!initialize(pwxDb, tblName, numColumns, tempQryTblName, qryOnly, tblPath))
+ cleanup();
+} // wxDbTable::wxDbTable()
+
+
+/********** wxDbTable::~wxDbTable() **********/
+wxDbTable::~wxDbTable()
+{
+ this->cleanup();
+} // wxDbTable::~wxDbTable()
+
+
+bool wxDbTable::initialize(wxDb *pwxDb, const wxString &tblName, const UWORD numColumns,
+ const wxString &qryTblName, bool qryOnly, const wxString &tblPath)
+{
+ // Initializing member variables
+ pDb = pwxDb; // Pointer to the wxDb object
henv = 0;
hdbc = 0;
hstmt = 0;
hstmtInternal = 0;
colDefs = 0;
tableID = 0;
- noCols = nCols; // No. of cols in the table
- where = 0; // Where clause
- orderBy = 0; // Order By clause
- from = 0; // From clause
+ noCols = numColumns; // Number of cols in the table
+ where.Empty(); // Where clause
+ orderBy.Empty(); // Order By clause
+ from.Empty(); // From clause
selectForUpdate = FALSE; // SELECT ... FOR UPDATE; Indicates whether to include the FOR UPDATE phrase
queryOnly = qryOnly;
+ insertable = TRUE;
+ tablePath.Empty();
+ tableName.Empty();
+ queryTableName.Empty();
- assert (tblName);
-
- wxStrcpy(tableName, tblName); // Table Name
- if (tblPath)
- wxStrcpy(tablePath, tblPath); // Table Path - used for dBase files
-
- if (qryTblName) // Name of the table/view to query
- wxStrcpy(queryTableName, qryTblName);
- else
- wxStrcpy(queryTableName, tblName);
+ wxASSERT(tblName.Length());
+ wxASSERT(pDb);
if (!pDb)
- return;
-
- pDb->nTables++;
+ return FALSE;
+ tableName = tblName; // Table Name
+ if (tblPath.Length())
+ tablePath = tblPath; // Table Path - used for dBase files
+ else
+ tablePath.Empty();
+
+ if (qryTblName.Length()) // Name of the table/view to query
+ queryTableName = qryTblName;
+ else
+ queryTableName = tblName;
+
+ pDb->incrementTableCount();
+
wxString s;
tableID = ++lastTableID;
- s.sprintf("wxTable constructor (%-20s) tableID:[%6lu] pDb:[%p]", tblName,tableID,pDb);
-
+ s.Printf(wxT("wxDbTable constructor (%-20s) tableID:[%6lu] pDb:[%p]"), tblName.c_str(), tableID, pDb);
+
#ifdef __WXDEBUG__
- CstructTablesInUse *tableInUse;
- tableInUse = new CstructTablesInUse();
+ wxTablesInUse *tableInUse;
+ tableInUse = new wxTablesInUse();
tableInUse->tableName = tblName;
tableInUse->tableID = tableID;
tableInUse->pDb = pDb;
TablesInUse.Append(tableInUse);
#endif
-
- pDb->WriteSqlLog(s.GetData());
-
- // Grab the HENV and HDBC from the wxDB object
- henv = pDb->henv;
- hdbc = pDb->hdbc;
-
+
+ pDb->WriteSqlLog(s);
+
+ // Grab the HENV and HDBC from the wxDb object
+ henv = pDb->GetHENV();
+ hdbc = pDb->GetHDBC();
+
// Allocate space for column definitions
if (noCols)
- colDefs = new wxColDef[noCols]; // Points to the first column defintion
-
+ colDefs = new wxDbColDef[noCols]; // Points to the first column definition
+
// Allocate statement handles for the table
if (!queryOnly)
{
// 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
+ if (! wxStrcmp(pDb->sqlState, wxT("01S02"))) // Option Value Changed
{
// Datasource does not support static cursors. Driver
// will substitute a cursor type. Call SQLGetStmtOption()
if (SQLGetStmtOption(hstmtInternal, SQL_CURSOR_TYPE, &cursorType) != SQL_SUCCESS)
pDb->DispAllErrors(henv, hdbc, hstmtInternal);
#ifdef DBDEBUG_CONSOLE
- cout << "Static cursor changed to: ";
+ cout << wxT("Static cursor changed to: ");
switch(cursorType)
{
case SQL_CURSOR_FORWARD_ONLY:
- cout << "Forward Only"; break;
+ cout << wxT("Forward Only");
+ break;
case SQL_CURSOR_STATIC:
- cout << "Static"; break;
+ cout << wxT("Static");
+ break;
case SQL_CURSOR_KEYSET_DRIVEN:
- cout << "Keyset Driven"; break;
+ cout << wxT("Keyset Driven");
+ break;
case SQL_CURSOR_DYNAMIC:
- cout << "Dynamic"; break;
+ cout << wxT("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 FALSE;
+ }
+ }
}
else
{
}
#ifdef DBDEBUG_CONSOLE
else
- cout << "Cursor Type set to STATIC" << endl << endl;
+ cout << wxT("Cursor Type set to STATIC") << endl << endl;
#endif
-
+
if (!queryOnly)
{
// Set the cursor type for the INSERT 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 = NewCursor(FALSE,FALSE);
- assert(hstmtDefault);
+ hstmtDefault = GetNewCursor(FALSE,FALSE);
+ wxASSERT(hstmtDefault);
hstmt = *hstmtDefault;
-} // wxTable::wxTable()
+ return TRUE;
+
+} // wxDbTable::initialize()
-/********** wxTable::~wxTable() **********/
-wxTable::~wxTable()
+void wxDbTable::cleanup()
{
wxString s;
if (pDb)
{
- s.sprintf("wxTable destructor (%-20s) tableID:[%6lu] pDb:[%p]", tableName,tableID,pDb);
- pDb->WriteSqlLog(s.GetData());
+ s.Printf(wxT("wxDbTable destructor (%-20s) tableID:[%6lu] pDb:[%p]"), tableName.c_str(), tableID, pDb);
+ pDb->WriteSqlLog(s);
}
#ifdef __WXDEBUG__
pNode = TablesInUse.First();
while (pNode && !found)
{
- if (((CstructTablesInUse *)pNode->Data())->tableID == tableID)
+ if (((wxTablesInUse *)pNode->Data())->tableID == tableID)
{
found = TRUE;
if (!TablesInUse.DeleteNode(pNode))
- wxLogDebug (s.c_str(),"Unable to delete node!");
+ wxLogDebug (s,wxT("Unable to delete node!"));
}
else
pNode = pNode->Next();
if (!found)
{
wxString msg;
- msg.sprintf("Unable to find the tableID in the linked\nlist of tables in use.\n\n%s",s.GetData());
- wxLogDebug (msg.GetData(),"NOTICE...");
+ msg.Printf(wxT("Unable to find the tableID in the linked\nlist of tables in use.\n\n%s"),s);
+ wxLogDebug (msg,wxT("NOTICE..."));
}
}
#endif
-
-
- // Decrement the wxDB table count
+ // Decrement the wxDb table count
if (pDb)
- pDb->nTables--;
+ pDb->decrementTableCount();
// Delete memory allocated for column definitions
if (colDefs)
if (!queryOnly)
{
if (hstmtInsert)
+ {
+/*
+ODBC 3.0 says to use this form
+ if (SQLFreeHandle(*hstmtDel, SQL_DROP) != SQL_SUCCESS)
+*/
if (SQLFreeStmt(hstmtInsert, SQL_DROP) != SQL_SUCCESS)
pDb->DispAllErrors(henv, hdbc);
+ }
if (hstmtDelete)
+ {
+/*
+ODBC 3.0 says to use this form
+ if (SQLFreeHandle(*hstmtDel, SQL_DROP) != SQL_SUCCESS)
+*/
if (SQLFreeStmt(hstmtDelete, SQL_DROP) != SQL_SUCCESS)
+ pDb->DispAllErrors(henv, hdbc);
+ }
if (hstmtUpdate)
+ {
+/*
+ODBC 3.0 says to use this form
+ if (SQLFreeHandle(*hstmtDel, SQL_DROP) != SQL_SUCCESS)
+*/
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)
if (hstmtCount)
DeleteCursor(hstmtCount);
-
-
-} // wxTable::~wxTable()
-
+} // wxDbTable::cleanup()
/***************************** PRIVATE FUNCTIONS *****************************/
-
-/********** wxTable::bindInsertParams() **********/
-bool wxTable::bindInsertParams(void)
+/********** wxDbTable::bindParams() **********/
+bool wxDbTable::bindParams(bool forUpdate)
{
- assert(!queryOnly);
+ wxASSERT(!queryOnly);
if (queryOnly)
return(FALSE);
-
+
SWORD fSqlType = 0;
UDWORD precision = 0;
SWORD scale = 0;
+
+ // Bind each column of the table that should be bound
+ // to a parameter marker
+ int i;
+ UWORD colNo;
- // 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++)
+ for (i=0, colNo=1; i < noCols; i++)
{
- if (! colDefs[i].InsertAllowed)
- continue;
+ if (forUpdate)
+ {
+ if (!colDefs[i].Updateable)
+ continue;
+ }
+ else
+ {
+ 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;
+ 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;
+ case DB_DATA_TYPE_BLOB:
+ fSqlType = pDb->GetTypeInfBlob().FsqlType;
+ precision = 50000;
+ scale = 0;
+ if (colDefs[i].Null)
+ colDefs[i].CbValue = SQL_NULL_DATA;
+ else
+ colDefs[i].CbValue = SQL_LEN_DATA_AT_EXEC(colDefs[i].SzDataObj);
+ break;
+ }
+ if (forUpdate)
+ {
+ 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));
+ }
}
- // Null values
- if (colDefs[i].Null)
+ else
{
- colDefs[i].CbValue = SQL_NULL_DATA;
- colDefs[i].Null = FALSE;
+ 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));
+ }
}
- 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);
-} // wxTable::bindInsertParams()
+} // wxDbTable::bindParams()
-/********** wxTable::bindUpdateParams() **********/
-bool wxTable::bindUpdateParams(void)
+/********** wxDbTable::bindInsertParams() **********/
+bool wxDbTable::bindInsertParams(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->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));
- }
+ return bindParams(FALSE);
+} // wxDbTable::bindInsertParams()
- // Completed successfully
- return(TRUE);
-} // wxTable::bindUpdateParams()
+/********** wxDbTable::bindUpdateParams() **********/
+bool wxDbTable::bindUpdateParams(void)
+{
+ return bindParams(TRUE);
+} // wxDbTable::bindUpdateParams()
-/********** wxTable::bindCols() **********/
-bool wxTable::bindCols(HSTMT cursor)
+/********** wxDbTable::bindCols() **********/
+bool wxDbTable::bindCols(HSTMT cursor)
{
- static SDWORD cb;
-
// Bind each column of the table to a memory address for fetching data
- int i;
+ UWORD i;
for (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));
+ if (SQLBindCol(cursor, (UWORD)(i+1), colDefs[i].SqlCtype, (UCHAR*) colDefs[i].PtrDataObj,
+ colDefs[i].SzDataObj, &colDefs[i].CbValue ) != SQL_SUCCESS)
+ {
+ return (pDb->DispAllErrors(henv, hdbc, cursor));
+ }
}
// Completed successfully
return(TRUE);
-} // wxTable::bindCols()
+} // wxDbTable::bindCols()
-/********** wxTable::getRec() **********/
-bool wxTable::getRec(UWORD fetchType)
+/********** wxDbTable::getRec() **********/
+bool wxDbTable::getRec(UWORD fetchType)
{
RETCODE retcode;
UWORD rowStatus;
retcode = SQLExtendedFetch(hstmt, fetchType, 0, &cRowsFetched, &rowStatus);
- if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO)
+ 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
{
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);
-} // wxTable::getRec()
+} // wxDbTable::getRec()
-/********** wxTable::execDelete() **********/
-bool wxTable::execDelete(const char *pSqlStmt)
+/********** wxDbTable::execDelete() **********/
+bool wxDbTable::execDelete(const wxString &pSqlStmt)
{
+ RETCODE retcode;
+
// Execute the DELETE statement
- if (SQLExecDirect(hstmtDelete, (UCHAR FAR *) pSqlStmt, SQL_NTS) != SQL_SUCCESS)
- return(pDb->DispAllErrors(henv, hdbc, hstmtDelete));
+ retcode = SQLExecDirect(hstmtDelete, (UCHAR FAR *) pSqlStmt.c_str(), SQL_NTS);
- // Record deleted successfully
- return(TRUE);
+ if (retcode == SQL_SUCCESS ||
+ retcode == SQL_NO_DATA_FOUND ||
+ retcode == SQL_SUCCESS_WITH_INFO)
+ {
+ // Record deleted successfully
+ return(TRUE);
+ }
+
+ // Problem deleting record
+ return(pDb->DispAllErrors(henv, hdbc, hstmtDelete));
-} // wxTable::execDelete()
+} // wxDbTable::execDelete()
-/********** wxTable::execUpdate() **********/
-bool wxTable::execUpdate(const char *pSqlStmt)
+/********** wxDbTable::execUpdate() **********/
+bool wxDbTable::execUpdate(const wxString &pSqlStmt)
{
+ RETCODE retcode;
+
// Execute the UPDATE statement
- if (SQLExecDirect(hstmtUpdate, (UCHAR FAR *) pSqlStmt, SQL_NTS) != SQL_SUCCESS)
- return(pDb->DispAllErrors(henv, hdbc, hstmtUpdate));
+ retcode = SQLExecDirect(hstmtUpdate, (UCHAR FAR *) pSqlStmt.c_str(), SQL_NTS);
- // Record deleted successfully
- return(TRUE);
+ if (retcode == SQL_SUCCESS ||
+ retcode == SQL_NO_DATA_FOUND ||
+ retcode == SQL_SUCCESS_WITH_INFO)
+ {
+ // Record updated successfully
+ return(TRUE);
+ }
+
+ // Problem updating record
+ return(pDb->DispAllErrors(henv, hdbc, hstmtUpdate));
-} // wxTable::execUpdate()
+} // wxDbTable::execUpdate()
-/********** wxTable::query() **********/
-bool wxTable::query(int queryType, bool forUpdate, bool distinct, char *pSqlStmt)
+/********** wxDbTable::query() **********/
+bool wxDbTable::query(int queryType, bool forUpdate, bool distinct, const wxString &pSqlStmt)
{
- char sqlStmt[DB_MAX_STATEMENT_LEN];
+ wxString sqlStmt;
- // Set the selectForUpdate member variable
if (forUpdate)
// The user may wish to select for update, but the DBMS may not be capable
selectForUpdate = CanSelectForUpdate();
// 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);
+ { // 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))
+ if (!CloseCursor(hstmt))
return(FALSE);
// Execute the SQL SELECT statement
- int retcode;
-
- retcode = SQLExecDirect(hstmt, (UCHAR FAR *) (queryType == DB_SELECT_STATEMENT ? pSqlStmt : sqlStmt), SQL_NTS);
+ int retcode;
+ retcode = SQLExecDirect(hstmt, (UCHAR FAR *) (queryType == DB_SELECT_STATEMENT ? pSqlStmt.c_str() : sqlStmt.c_str()), SQL_NTS);
if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO)
return(pDb->DispAllErrors(henv, hdbc, hstmt));
// Completed successfully
return(TRUE);
-} // wxTable::query()
+} // wxDbTable::query()
/***************************** PUBLIC FUNCTIONS *****************************/
-/********** wxTable::Open() **********/
-bool wxTable::Open(void)
+/********** wxDbTable::Open() **********/
+bool wxDbTable::Open(bool checkPrivileges, bool checkTableExists)
{
if (!pDb)
- return FALSE;
+ return FALSE;
int i;
wxString sqlStmt;
+ wxString s;
+ s.Empty();
// Verify that the table exists in the database
- if (!pDb->TableExists(tableName,pDb->GetUsername(),tablePath))
+ if (checkTableExists && !pDb->TableExists(tableName, pDb->GetUsername(), tablePath))
{
- wxString s;
- if (wxStrcmp(tablePath,""))
- s.sprintf("Error opening '%s/%s'.\n",tablePath,tableName);
+ s = wxT("Table/view does not exist in the database");
+ if ( *(pDb->dbInf.accessibleTables) == wxT('Y'))
+ s += wxT(", or you have no permissions.\n");
else
- s.sprintf("Error opening '%s'.\n", tableName);
- if (!pDb->TableExists(tableName,NULL,tablePath))
- s += "Table/view does not exist in the database.\n";
+ s += wxT(".\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,wxT("SELECT"), pDb->GetUsername(), pDb->GetUsername(), tablePath))
+ s = wxT("Current logged in user does not have sufficient privileges to access this table.\n");
+ }
+
+ if (!s.IsEmpty())
+ {
+ wxString p;
+
+ if (!tablePath.IsEmpty())
+ p.Printf(wxT("Error opening '%s/%s'.\n"),tablePath.c_str(),tableName.c_str());
else
- s += "Current logged in user does not have sufficient privileges to access this table.\n";
- pDb->LogError(s.GetData());
+ p.Printf(wxT("Error opening '%s'.\n"), tableName.c_str());
+
+ p += s;
+ pDb->LogError(p.GetData());
+
return(FALSE);
}
// Bind the member variables for field exchange between
- // the wxTable object and the ODBC record.
+ // 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!!!
*/
if (!queryOnly && noCols > 0)
{
bool needComma = FALSE;
- sqlStmt.sprintf("INSERT INTO %s (", tableName);
+ sqlStmt.Printf(wxT("INSERT INTO %s ("), tableName.c_str());
for (i = 0; i < noCols; i++)
{
if (! colDefs[i].InsertAllowed)
continue;
if (needComma)
- sqlStmt += ",";
+ sqlStmt += wxT(",");
sqlStmt += colDefs[i].ColName;
needComma = TRUE;
}
needComma = FALSE;
- sqlStmt += ") VALUES (";
+ sqlStmt += wxT(") VALUES (");
+
+ int insertableCount = 0;
+
for (i = 0; i < noCols; i++)
{
if (! colDefs[i].InsertAllowed)
continue;
if (needComma)
- sqlStmt += ",";
- sqlStmt += "?";
+ sqlStmt += wxT(",");
+ sqlStmt += wxT("?");
needComma = TRUE;
+ insertableCount++;
}
- sqlStmt += ")";
-
-// pDb->WriteSqlLog(sqlStmt);
-
+ sqlStmt += wxT(")");
+
// Prepare the insert statement for execution
- if (SQLPrepare(hstmtInsert, (UCHAR FAR *) sqlStmt.GetData(), SQL_NTS) != SQL_SUCCESS)
- return(pDb->DispAllErrors(henv, hdbc, hstmtInsert));
+ 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);
-} // wxTable::Open()
+} // wxDbTable::Open()
-/********** wxTable::Query() **********/
-bool wxTable::Query(bool forUpdate, bool distinct)
+/********** wxDbTable::Query() **********/
+bool wxDbTable::Query(bool forUpdate, bool distinct)
{
return(query(DB_SELECT_WHERE, forUpdate, distinct));
-} // wxTable::Query()
+} // wxDbTable::Query()
-/********** wxTable::QueryBySqlStmt() **********/
-bool wxTable::QueryBySqlStmt(char *pSqlStmt)
+/********** wxDbTable::QueryBySqlStmt() **********/
+bool wxDbTable::QueryBySqlStmt(const wxString &pSqlStmt)
{
pDb->WriteSqlLog(pSqlStmt);
return(query(DB_SELECT_STATEMENT, FALSE, FALSE, pSqlStmt));
-} // wxTable::QueryBySqlStmt()
+} // wxDbTable::QueryBySqlStmt()
-/********** wxTable::QueryMatching() **********/
-bool wxTable::QueryMatching(bool forUpdate, bool distinct)
+/********** wxDbTable::QueryMatching() **********/
+bool wxDbTable::QueryMatching(bool forUpdate, bool distinct)
{
return(query(DB_SELECT_MATCHING, forUpdate, distinct));
-} // wxTable::QueryMatching()
+} // wxDbTable::QueryMatching()
-/********** wxTable::QueryOnKeyFields() **********/
-bool wxTable::QueryOnKeyFields(bool forUpdate, bool distinct)
+/********** wxDbTable::QueryOnKeyFields() **********/
+bool wxDbTable::QueryOnKeyFields(bool forUpdate, bool distinct)
{
return(query(DB_SELECT_KEYFIELDS, forUpdate, distinct));
-} // wxTable::QueryOnKeyFields()
+} // wxDbTable::QueryOnKeyFields()
-/********** wxTable::GetPrev() **********/
-bool wxTable::GetPrev(void)
+/********** wxDbTable::GetPrev() **********/
+bool wxDbTable::GetPrev(void)
{
if (pDb->FwdOnlyCursors())
{
- wxFAIL_MSG(wxT("GetPrev()::Backward scrolling cursors are not enabled for this instance of wxTable"));
+ wxFAIL_MSG(wxT("GetPrev()::Backward scrolling cursors are not enabled for this instance of wxDbTable"));
return FALSE;
}
else
return(getRec(SQL_FETCH_PRIOR));
-} // wxTable::GetPrev()
+} // wxDbTable::GetPrev()
-/********** wxTable::operator-- **********/
-bool wxTable::operator--(int)
+
+/********** wxDbTable::operator-- **********/
+bool wxDbTable::operator--(int)
{
if (pDb->FwdOnlyCursors())
{
- wxFAIL_MSG(wxT("operator--:Backward scrolling cursors are not enabled for this instance of wxTable"));
+ wxFAIL_MSG(wxT("operator--:Backward scrolling cursors are not enabled for this instance of wxDbTable"));
return FALSE;
}
else
return(getRec(SQL_FETCH_PRIOR));
-} // wxTable::operator--
+
+} // wxDbTable::operator--
-/********** wxTable::GetFirst() **********/
-bool wxTable::GetFirst(void)
+/********** wxDbTable::GetFirst() **********/
+bool wxDbTable::GetFirst(void)
{
if (pDb->FwdOnlyCursors())
{
- wxFAIL_MSG(wxT("GetFirst():Backward scrolling cursors are not enabled for this instance of wxTable"));
+ wxFAIL_MSG(wxT("GetFirst():Backward scrolling cursors are not enabled for this instance of wxDbTable"));
return FALSE;
}
else
return(getRec(SQL_FETCH_FIRST));
-} // wxTable::GetFirst()
+} // wxDbTable::GetFirst()
-/********** wxTable::GetLast() **********/
-bool wxTable::GetLast(void)
+
+/********** wxDbTable::GetLast() **********/
+bool wxDbTable::GetLast(void)
{
if (pDb->FwdOnlyCursors())
{
- wxFAIL_MSG(wxT("GetLast()::Backward scrolling cursors are not enabled for this instance of wxTable"));
+ wxFAIL_MSG(wxT("GetLast()::Backward scrolling cursors are not enabled for this instance of wxDbTable"));
return FALSE;
}
else
return(getRec(SQL_FETCH_LAST));
-} // wxTable::GetLast()
+} // wxDbTable::GetLast()
+
+
+/********** wxDbTable::BuildDeleteStmt() **********/
+void wxDbTable::BuildDeleteStmt(wxString &pSqlStmt, int typeOfDel, const wxString &pWhereClause)
+{
+ wxASSERT(!queryOnly);
+ if (queryOnly)
+ return;
+
+ wxString whereClause;
+
+ whereClause.Empty();
-/********** wxTable::GetSelectStmt() **********/
-void wxTable::GetSelectStmt(char *pSqlStmt, int typeOfSelect, bool distinct)
+ // 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.Length() == 0))
+ {
+ pSqlStmt.Printf(wxT("DELETE FROM %s"), tableName.c_str());
+ return;
+ }
+
+ pSqlStmt.Printf(wxT("DELETE FROM %s WHERE "), tableName.c_str());
+
+ // 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;
+ wxChar 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, (UWORD)(noCols+1), SQL_C_CHAR, (UCHAR*) rowid, wxDB_ROWID_LEN, &cb) == SQL_SUCCESS)
+ {
+ pSqlStmt += wxT("ROWID = '");
+ pSqlStmt += rowid;
+ pSqlStmt += wxT("'");
+ break;
+ }
+ }
+ // Unable to delete by ROWID, so build a WHERE
+ // clause based on the keyfields.
+ BuildWhereClause(whereClause, DB_WHERE_KEYFIELDS);
+ pSqlStmt += whereClause;
+ break;
+ case DB_DEL_WHERE:
+ pSqlStmt += pWhereClause;
+ break;
+ case DB_DEL_MATCHING:
+ BuildWhereClause(whereClause, DB_WHERE_MATCHING);
+ pSqlStmt += whereClause;
+ break;
+ }
+
+} // BuildDeleteStmt()
+
+
+/***** DEPRECATED: use wxDbTable::BuildDeleteStmt(wxString &....) form *****/
+void wxDbTable::BuildDeleteStmt(wxChar *pSqlStmt, int typeOfDel, const wxString &pWhereClause)
{
- char whereClause[DB_MAX_WHERE_CLAUSE_LEN];
+ wxString tempSqlStmt;
+ BuildDeleteStmt(tempSqlStmt, typeOfDel, pWhereClause);
+ wxStrcpy(pSqlStmt, tempSqlStmt);
+} // wxDbTable::BuildDeleteStmt()
- whereClause[0] = 0;
+
+/********** wxDbTable::BuildSelectStmt() **********/
+void wxDbTable::BuildSelectStmt(wxString &pSqlStmt, int typeOfSelect, bool distinct)
+{
+ wxString whereClause;
+ whereClause.Empty();
// Build a select statement to query the database
- wxStrcpy(pSqlStmt, "SELECT ");
+ pSqlStmt = wxT("SELECT ");
// SELECT DISTINCT values only?
if (distinct)
- wxStrcat(pSqlStmt, "DISTINCT ");
+ pSqlStmt += wxT("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
// 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)
+ if (appendFromClause || pDb->Dbms() == dbmsACCESS)
{
- wxStrcat(pSqlStmt, queryTableName);
- wxStrcat(pSqlStmt, ".");
+ pSqlStmt += queryTableName;
+ pSqlStmt += wxT(".");
}
- wxStrcat(pSqlStmt, colDefs[i].ColName);
+ pSqlStmt += colDefs[i].ColName;
if (i + 1 < noCols)
- wxStrcat(pSqlStmt, ",");
+ pSqlStmt += wxT(",");
}
// If the datasource supports ROWID, get this column as well. Exception: Don't retrieve
if (!distinct && CanUpdByROWID())
{
// If joining tables, the base table column names must be qualified to avoid ambiguity
- if (appendFromClause)
+ if (appendFromClause || pDb->Dbms() == dbmsACCESS)
{
- wxStrcat(pSqlStmt, ",");
- wxStrcat(pSqlStmt, queryTableName);
- wxStrcat(pSqlStmt, ".ROWID");
+ pSqlStmt += wxT(",");
+ pSqlStmt += queryTableName;
+ pSqlStmt += wxT(".ROWID");
}
else
- wxStrcat(pSqlStmt, ",ROWID");
+ pSqlStmt += wxT(",ROWID");
}
// Append the FROM tablename portion
- wxStrcat(pSqlStmt, " FROM ");
- wxStrcat(pSqlStmt, queryTableName);
+ pSqlStmt += wxT(" FROM ");
+ pSqlStmt += queryTableName;
// Sybase uses the HOLDLOCK keyword to lock a record during query.
// The HOLDLOCK keyword follows the table name in the from clause.
// 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");
+ pSqlStmt += wxT(" HOLDLOCK");
if (appendFromClause)
- wxStrcat(pSqlStmt, from);
+ 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 && wxStrlen(where)) // May not want a where clause!!!
- {
- wxStrcat(pSqlStmt, " WHERE ");
- wxStrcat(pSqlStmt, where);
- }
- break;
- case DB_SELECT_KEYFIELDS:
- GetWhereClause(whereClause, DB_WHERE_KEYFIELDS);
- if (wxStrlen(whereClause))
+ 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
+ {
+ pSqlStmt += wxT(" WHERE ");
+ pSqlStmt += where;
+ }
+ break;
+ case DB_SELECT_KEYFIELDS:
+ BuildWhereClause(whereClause, DB_WHERE_KEYFIELDS);
+ if (whereClause.Length())
+ {
+ pSqlStmt += wxT(" WHERE ");
+ pSqlStmt += whereClause;
+ }
+ break;
+ case DB_SELECT_MATCHING:
+ BuildWhereClause(whereClause, DB_WHERE_MATCHING);
+ if (whereClause.Length())
+ {
+ pSqlStmt += wxT(" WHERE ");
+ pSqlStmt += whereClause;
+ }
+ break;
+ }
+
+ // Append the ORDER BY clause
+#if wxODBC_BACKWARD_COMPATABILITY
+ if (orderBy && wxStrlen(orderBy))
+#else
+ if (orderBy.Length())
+#endif
+ {
+ pSqlStmt += wxT(" ORDER BY ");
+ pSqlStmt += orderBy;
+ }
+
+ // 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())
+ pSqlStmt += wxT(" FOR UPDATE");
+
+} // wxDbTable::BuildSelectStmt()
+
+
+/***** DEPRECATED: use wxDbTable::BuildSelectStmt(wxString &....) form *****/
+void wxDbTable::BuildSelectStmt(wxChar *pSqlStmt, int typeOfSelect, bool distinct)
+{
+ wxString tempSqlStmt;
+ BuildSelectStmt(tempSqlStmt, typeOfSelect, distinct);
+ wxStrcpy(pSqlStmt, tempSqlStmt);
+} // wxDbTable::BuildSelectStmt()
+
+
+/********** wxDbTable::BuildUpdateStmt() **********/
+void wxDbTable::BuildUpdateStmt(wxString &pSqlStmt, int typeOfUpd, const wxString &pWhereClause)
+{
+ wxASSERT(!queryOnly);
+ if (queryOnly)
+ return;
+
+ wxString whereClause;
+ whereClause.Empty();
+
+ bool firstColumn = TRUE;
+
+ pSqlStmt.Printf(wxT("UPDATE %s SET "), tableName.Upper().c_str());
+
+ // Append a list of columns to be updated
+ int i;
+ for (i = 0; i < noCols; i++)
+ {
+ // Only append Updateable columns
+ if (colDefs[i].Updateable)
{
- wxStrcat(pSqlStmt, " WHERE ");
- wxStrcat(pSqlStmt, whereClause);
+ if (! firstColumn)
+ pSqlStmt += wxT(",");
+ else
+ firstColumn = FALSE;
+ pSqlStmt += colDefs[i].ColName;
+ pSqlStmt += wxT(" = ?");
}
- break;
- case DB_SELECT_MATCHING:
- GetWhereClause(whereClause, DB_WHERE_MATCHING);
- if (wxStrlen(whereClause))
+ }
+
+ // Append the WHERE clause to the SQL UPDATE statement
+ pSqlStmt += wxT(" 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;
+ wxChar 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, (UWORD)(noCols+1), SQL_C_CHAR, (UCHAR*) rowid, wxDB_ROWID_LEN, &cb) == SQL_SUCCESS)
+ {
+ pSqlStmt += wxT("ROWID = '");
+ pSqlStmt += rowid;
+ pSqlStmt += wxT("'");
+ break;
+ }
+ }
+ // Unable to delete by ROWID, so build a WHERE
+ // clause based on the keyfields.
+ BuildWhereClause(whereClause, DB_WHERE_KEYFIELDS);
+ pSqlStmt += whereClause;
+ break;
+ case DB_UPD_WHERE:
+ pSqlStmt += pWhereClause;
+ break;
+ }
+} // BuildUpdateStmt()
+
+
+/***** DEPRECATED: use wxDbTable::BuildUpdateStmt(wxString &....) form *****/
+void wxDbTable::BuildUpdateStmt(wxChar *pSqlStmt, int typeOfUpd, const wxString &pWhereClause)
+{
+ wxString tempSqlStmt;
+ BuildUpdateStmt(tempSqlStmt, typeOfUpd, pWhereClause);
+ wxStrcpy(pSqlStmt, tempSqlStmt);
+} // BuildUpdateStmt()
+
+
+/********** wxDbTable::BuildWhereClause() **********/
+void wxDbTable::BuildWhereClause(wxString &pWhereClause, int typeOfWhere,
+ const wxString &qualTableName, bool useLikeComparison)
+/*
+ * Note: BuildWhereClause() currently ignores timestamp columns.
+ * They are not included as part of the where clause.
+ */
+{
+ bool moreThanOneColumn = FALSE;
+ wxString colValue;
+
+ // 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))))
{
- wxStrcat(pSqlStmt, " WHERE ");
- wxStrcat(pSqlStmt, whereClause);
+ // 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)
+ pWhereClause += wxT(" AND ");
+ else
+ moreThanOneColumn = TRUE;
+ // Concatenate where phrase for the column
+ if (qualTableName.Length())
+ {
+ pWhereClause += qualTableName;
+ pWhereClause += wxT(".");
+ }
+ pWhereClause += colDefs[i].ColName;
+ if (useLikeComparison && (colDefs[i].SqlCtype == SQL_C_CHAR))
+ pWhereClause += wxT(" LIKE ");
+ else
+ pWhereClause += wxT(" = ");
+ switch(colDefs[i].SqlCtype)
+ {
+ case SQL_C_CHAR:
+ colValue.Printf(wxT("'%s'"), (UCHAR FAR *) colDefs[i].PtrDataObj);
+ break;
+ case SQL_C_SSHORT:
+ colValue.Printf(wxT("%hi"), *((SWORD *) colDefs[i].PtrDataObj));
+ break;
+ case SQL_C_USHORT:
+ colValue.Printf(wxT("%hu"), *((UWORD *) colDefs[i].PtrDataObj));
+ break;
+ case SQL_C_SLONG:
+ colValue.Printf(wxT("%li"), *((SDWORD *) colDefs[i].PtrDataObj));
+ break;
+ case SQL_C_ULONG:
+ colValue.Printf(wxT("%lu"), *((UDWORD *) colDefs[i].PtrDataObj));
+ break;
+ case SQL_C_FLOAT:
+ colValue.Printf(wxT("%.6f"), *((SFLOAT *) colDefs[i].PtrDataObj));
+ break;
+ case SQL_C_DOUBLE:
+ colValue.Printf(wxT("%.6f"), *((SDOUBLE *) colDefs[i].PtrDataObj));
+ break;
+ }
+ pWhereClause += colValue;
}
- break;
- }
-
- // Append the ORDER BY clause
- if (orderBy && wxStrlen(orderBy))
- {
- wxStrcat(pSqlStmt, " ORDER BY ");
- wxStrcat(pSqlStmt, orderBy);
}
+} // wxDbTable::BuildWhereClause()
- // 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");
-} // wxTable::GetSelectStmt()
+/***** DEPRECATED: use wxDbTable::BuildWhereClause(wxString &....) form *****/
+void wxDbTable::BuildWhereClause(wxChar *pWhereClause, int typeOfWhere,
+ const wxString &qualTableName, bool useLikeComparison)
+{
+ wxString tempSqlStmt;
+ BuildWhereClause(tempSqlStmt, typeOfWhere, qualTableName, useLikeComparison);
+ wxStrcpy(pWhereClause, tempSqlStmt);
+} // wxDbTable::BuildWhereClause()
-/********** wxTable::GetRowNum() **********/
-UWORD wxTable::GetRowNum(void)
+/********** wxDbTable::GetRowNum() **********/
+UWORD wxDbTable::GetRowNum(void)
{
UDWORD rowNum;
// Completed successfully
return((UWORD) rowNum);
-} // wxTable::GetRowNum()
+} // wxDbTable::GetRowNum()
-/********** wxTable::CloseCursor() **********/
-bool wxTable::CloseCursor(HSTMT cursor)
+/********** wxDbTable::CloseCursor() **********/
+bool wxDbTable::CloseCursor(HSTMT cursor)
{
if (SQLFreeStmt(cursor, SQL_CLOSE) != SQL_SUCCESS)
return(pDb->DispAllErrors(henv, hdbc, cursor));
// Completed successfully
return(TRUE);
-} // wxTable::CloseCursor()
+} // wxDbTable::CloseCursor()
-/********** wxTable::CreateTable() **********/
-bool wxTable::CreateTable(bool attemptDrop)
+/********** wxDbTable::CreateTable() **********/
+bool wxDbTable::CreateTable(bool attemptDrop)
{
if (!pDb)
return FALSE;
int i, j;
-// char sqlStmt[DB_MAX_STATEMENT_LEN];
wxString sqlStmt;
#ifdef DBDEBUG_CONSOLE
- cout << "Creating Table " << tableName << "..." << endl;
+ cout << wxT("Creating Table ") << tableName << wxT("...") << endl;
#endif
// Drop table first
// Exclude derived columns since they are NOT part of the base table
if (colDefs[i].DerivedCol)
continue;
- cout << i + 1 << ": " << colDefs[i].ColName << "; ";
+ cout << i + 1 << wxT(": ") << colDefs[i].ColName << wxT("; ");
switch(colDefs[i].DbDataType)
{
case DB_DATA_TYPE_VARCHAR:
- cout << pDb->typeInfVarchar.TypeName << "(" << colDefs[i].SzDataObj << ")";
+ cout << pDb->typeInfVarchar.TypeName << wxT("(") << colDefs[i].SzDataObj << wxT(")");
break;
case DB_DATA_TYPE_INTEGER:
cout << pDb->typeInfInteger.TypeName;
case DB_DATA_TYPE_DATE:
cout << pDb->typeInfDate.TypeName;
break;
+ case DB_DATA_TYPE_BLOB:
+ cout << pDb->typeInfBlob.TypeName;
+ break;
}
cout << endl;
}
// Build a CREATE TABLE string from the colDefs structure.
bool needComma = FALSE;
- sqlStmt.sprintf("CREATE TABLE %s (", tableName);
+ sqlStmt.Printf(wxT("CREATE TABLE %s ("), tableName.c_str());
for (i = 0; i < noCols; i++)
{
continue;
// Comma Delimiter
if (needComma)
- sqlStmt += ",";
+ sqlStmt += wxT(",");
// Column Name
sqlStmt += colDefs[i].ColName;
- sqlStmt += " ";
+ sqlStmt += wxT(" ");
// Column Type
switch(colDefs[i].DbDataType)
{
case DB_DATA_TYPE_VARCHAR:
- sqlStmt += pDb->typeInfVarchar.TypeName; break;
+ sqlStmt += pDb->GetTypeInfVarchar().TypeName;
+ break;
case DB_DATA_TYPE_INTEGER:
- sqlStmt += pDb->typeInfInteger.TypeName; break;
+ sqlStmt += pDb->GetTypeInfInteger().TypeName;
+ break;
case DB_DATA_TYPE_FLOAT:
- sqlStmt += pDb->typeInfFloat.TypeName; break;
+ sqlStmt += pDb->GetTypeInfFloat().TypeName;
+ break;
case DB_DATA_TYPE_DATE:
- sqlStmt += pDb->typeInfDate.TypeName; break;
+ sqlStmt += pDb->GetTypeInfDate().TypeName;
+ break;
+ case DB_DATA_TYPE_BLOB:
+ sqlStmt += pDb->GetTypeInfBlob().TypeName;
+ break;
}
// For varchars, append the size of the string
- if (colDefs[i].DbDataType == DB_DATA_TYPE_VARCHAR)
+ if (colDefs[i].DbDataType == DB_DATA_TYPE_VARCHAR)// ||
+// colDefs[i].DbDataType == DB_DATA_TYPE_BLOB)
{
wxString s;
- // wxStrcat(sqlStmt, "(");
- // wxStrcat(sqlStmt, itoa(colDefs[i].SzDataObj, s, 10));
- // wxStrcat(sqlStmt, ")");
- s.sprintf("(%d)", colDefs[i].SzDataObj);
- sqlStmt += s.GetData();
+ s.Printf(wxT("(%d)"), colDefs[i].SzDataObj);
+ sqlStmt += s;
}
- if (pDb->Dbms() == dbmsSYBASE_ASE || pDb->Dbms() == dbmsMY_SQL)
+ if (pDb->Dbms() == dbmsDB2 ||
+ pDb->Dbms() == dbmsMY_SQL ||
+ pDb->Dbms() == dbmsSYBASE_ASE ||
+ pDb->Dbms() == dbmsMS_SQL_SERVER)
{
if (colDefs[i].KeyField)
{
- sqlStmt += " NOT NULL";
+ sqlStmt += wxT(" NOT NULL");
}
}
}
if (j && pDb->Dbms() != dbmsDBASE) // Found a keyfield
{
- if (pDb->Dbms() != dbmsMY_SQL)
- {
- sqlStmt += ",CONSTRAINT ";
- sqlStmt += tableName;
- sqlStmt += "_PIDX PRIMARY KEY (";
- }
- else
+ switch (pDb->Dbms())
{
- /* MySQL goes out on this one. We also declare the relevant key NON NULL above */
- sqlStmt += ", PRIMARY KEY (";
+ case dbmsSYBASE_ASA:
+ case dbmsSYBASE_ASE:
+ case dbmsMY_SQL:
+ {
+ // MySQL goes out on this one. We also declare the relevant key NON NULL above
+ sqlStmt += wxT(",PRIMARY KEY (");
+ break;
+ }
+ default:
+ {
+ sqlStmt += wxT(",CONSTRAINT ");
+ // DB2 is limited to 18 characters for index names
+ if (pDb->Dbms() == dbmsDB2)
+ {
+ wxASSERT_MSG((tableName && wxStrlen(tableName) <= 13), wxT("DB2 table/index names must be no longer than 13 characters in length.\n\nTruncating table name to 13 characters."));
+ sqlStmt += tableName.substr(0, 13);
+ }
+ else
+ sqlStmt += tableName;
+
+ sqlStmt += wxT("_PIDX PRIMARY KEY (");
+ break;
+ }
}
// List column name(s) of column(s) comprising the primary key
if (colDefs[i].KeyField)
{
if (j++) // Multi part key, comma separate names
- sqlStmt += ",";
+ sqlStmt += wxT(",");
sqlStmt += colDefs[i].ColName;
}
}
- sqlStmt += ")";
+ sqlStmt += wxT(")");
+
+ if (pDb->Dbms() == dbmsSYBASE_ASA ||
+ pDb->Dbms() == dbmsSYBASE_ASE)
+ {
+ sqlStmt += wxT(" CONSTRAINT ");
+ sqlStmt += tableName;
+ sqlStmt += wxT("_PIDX");
+ }
}
// Append the closing parentheses for the create table statement
- sqlStmt += ")";
+ sqlStmt += wxT(")");
- pDb->WriteSqlLog(sqlStmt.GetData());
+ pDb->WriteSqlLog(sqlStmt);
#ifdef DBDEBUG_CONSOLE
- cout << endl << sqlStmt.GetData() << endl;
+ cout << endl << sqlStmt.c_str() << endl;
#endif
// Execute the CREATE TABLE statement
- RETCODE retcode = SQLExecDirect(hstmt, (UCHAR FAR *) sqlStmt.GetData(), SQL_NTS);
+ 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);
}
// Commit the transaction and close the cursor
- if (! pDb->CommitTrans())
+ if (!pDb->CommitTrans())
return(FALSE);
- if (! CloseCursor(hstmt))
+ if (!CloseCursor(hstmt))
return(FALSE);
// Database table created successfully
return(TRUE);
-} // wxTable::CreateTable()
+} // wxDbTable::CreateTable()
-/********** wxTable::DropTable() **********/
-bool wxTable::DropTable()
+/********** wxDbTable::DropTable() **********/
+bool wxDbTable::DropTable()
{
// NOTE: This function returns TRUE if the Table does not exist, but
// only for identified databases. Code will need to be added
wxString sqlStmt;
- sqlStmt.sprintf("DROP TABLE %s", tableName);
+ sqlStmt.Printf(wxT("DROP TABLE %s"), tableName.c_str());
- pDb->WriteSqlLog(sqlStmt.GetData());
+ pDb->WriteSqlLog(sqlStmt);
#ifdef DBDEBUG_CONSOLE
- cout << endl << sqlStmt.GetData() << endl;
+ cout << endl << sqlStmt.c_str() << endl;
#endif
- if (SQLExecDirect(hstmt, (UCHAR FAR *) sqlStmt.GetData(), SQL_NTS) != SQL_SUCCESS)
+
+
+
+ RETCODE retcode = SQLExecDirect(hstmt, (UCHAR FAR *) sqlStmt.c_str(), SQL_NTS);
+ if (retcode != SQL_SUCCESS)
{
// Check for "Base table not found" error and ignore
- pDb->GetNextError(henv, hdbc, hstmt);
- if (wxStrcmp(pDb->sqlState,"S0002")) // "Base table not found"
+ pDb->GetNextError(henv, hdbc, hstmt);
+ if (wxStrcmp(pDb->sqlState, wxT("S0002")) /*&&
+ wxStrcmp(pDb->sqlState, wxT("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() == dbmsMY_SQL && !wxStrcmp(pDb->sqlState,"S1000")) || // untested
- (pDb->Dbms() == dbmsPOSTGRES && !wxStrcmp(pDb->sqlState,"08S01")))) // untested
+ if (!((pDb->Dbms() == dbmsSYBASE_ASA && !wxStrcmp(pDb->sqlState,wxT("42000"))) || // 5.x (and lower?)
+ (pDb->Dbms() == dbmsSYBASE_ASE && !wxStrcmp(pDb->sqlState,wxT("37000"))) ||
+ (pDb->Dbms() == dbmsPERVASIVE_SQL && !wxStrcmp(pDb->sqlState,wxT("S1000"))) || // Returns an S1000 then an S0002
+ (pDb->Dbms() == dbmsPOSTGRES && !wxStrcmp(pDb->sqlState,wxT("08S01")))))
{
pDb->DispNextError();
pDb->DispAllErrors(henv, hdbc, hstmt);
pDb->RollbackTrans();
- CloseCursor(hstmt);
+// CloseCursor(hstmt);
return(FALSE);
}
}
return(FALSE);
return(TRUE);
-} // wxTable::DropTable()
+} // wxDbTable::DropTable()
-/********** wxTable::CreateIndex() **********/
-bool wxTable::CreateIndex(const char * idxName, bool unique, int noIdxCols, CidxDef *pIdxDefs, bool attemptDrop)
+/********** wxDbTable::CreateIndex() **********/
+bool wxDbTable::CreateIndex(const wxString &idxName, bool unique, UWORD noIdxCols,
+ wxDbIdxDef *pIdxDefs, bool attemptDrop)
{
-// char sqlStmt[DB_MAX_STATEMENT_LEN];
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)
+ {
+ ok = pDb->ModifyColumn(tableName, pIdxDefs[i].ColName,
+ colDefs[j].DbDataType, colDefs[j].SzDataObj,
+ wxT("NOT NULL"));
+
+ 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 ";
+ sqlStmt = wxT("CREATE ");
if (unique)
- sqlStmt += "UNIQUE ";
-
- sqlStmt += "INDEX ";
+ sqlStmt += wxT("UNIQUE ");
+
+ sqlStmt += wxT("INDEX ");
sqlStmt += idxName;
- sqlStmt += " ON ";
+ sqlStmt += wxT(" ON ");
sqlStmt += tableName;
- sqlStmt += " (";
-
+ sqlStmt += wxT(" (");
+
// Append list of columns making up index
int i;
for (i = 0; i < noIdxCols; i++)
if (pDb->Dbms() != dbmsPOSTGRES)
{
if (pIdxDefs[i].Ascending)
- sqlStmt += " ASC";
+ sqlStmt += wxT(" ASC");
else
- sqlStmt += " DESC";
+ sqlStmt += wxT(" DESC");
}
if ((i + 1) < noIdxCols)
- sqlStmt += ",";
+ sqlStmt += wxT(",");
}
// Append closing parentheses
- sqlStmt += ")";
+ sqlStmt += wxT(")");
- pDb->WriteSqlLog(sqlStmt.GetData());
+ pDb->WriteSqlLog(sqlStmt);
#ifdef DBDEBUG_CONSOLE
- cout << endl << sqlStmt.GetData() << endl << endl;
+ cout << endl << sqlStmt.c_str() << endl << endl;
#endif
// Execute the CREATE INDEX statement
- if (SQLExecDirect(hstmt, (UCHAR FAR *) sqlStmt.GetData(), SQL_NTS) != SQL_SUCCESS)
+ if (SQLExecDirect(hstmt, (UCHAR FAR *) sqlStmt.c_str(), SQL_NTS) != SQL_SUCCESS)
{
pDb->DispAllErrors(henv, hdbc, hstmt);
pDb->RollbackTrans();
// Index Created Successfully
return(TRUE);
-} // wxTable::CreateIndex()
+} // wxDbTable::CreateIndex()
-/********** wxTable::DropIndex() **********/
-bool wxTable::DropIndex(const char * idxName)
+/********** wxDbTable::DropIndex() **********/
+bool wxDbTable::DropIndex(const wxString &idxName)
{
// 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
+ // below for any other databases when those databases are defined
// to handle this situation consistently
wxString sqlStmt;
- if (pDb->Dbms() == dbmsACCESS)
- sqlStmt.sprintf("DROP INDEX %s ON %s",idxName,tableName);
- else if (pDb->Dbms() == dbmsSYBASE_ASE)
- sqlStmt.sprintf("DROP INDEX %s.%s",tableName,idxName);
+ if (pDb->Dbms() == dbmsACCESS || pDb->Dbms() == dbmsMY_SQL ||
+ pDb->Dbms() == dbmsDBASE /*|| Paradox needs this syntax too when we add support*/)
+ sqlStmt.Printf(wxT("DROP INDEX %s ON %s"),idxName.c_str(), tableName.c_str());
+ else if ((pDb->Dbms() == dbmsMS_SQL_SERVER) ||
+ (pDb->Dbms() == dbmsSYBASE_ASE))
+ sqlStmt.Printf(wxT("DROP INDEX %s.%s"),tableName.c_str(), idxName.c_str());
else
- sqlStmt.sprintf("DROP INDEX %s",idxName);
+ sqlStmt.Printf(wxT("DROP INDEX %s"),idxName.c_str());
- pDb->WriteSqlLog(sqlStmt.GetData());
+ pDb->WriteSqlLog(sqlStmt);
#ifdef DBDEBUG_CONSOLE
- cout << endl << sqlStmt.GetData() << endl;
+ cout << endl << sqlStmt.c_str() << endl;
#endif
- if (SQLExecDirect(hstmt, (UCHAR FAR *) sqlStmt.GetData(), SQL_NTS) != SQL_SUCCESS)
+ 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"
+ if (wxStrcmp(pDb->sqlState,wxT("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,"S0002")) || // Base table not found
- (pDb->Dbms() == dbmsMY_SQL && !wxStrcmp(pDb->sqlState,"42S02")) // untested
- ))
+ if (!((pDb->Dbms() == dbmsSYBASE_ASA && !wxStrcmp(pDb->sqlState,wxT("42000"))) || // v5.x (and lower?)
+ (pDb->Dbms() == dbmsSYBASE_ASE && !wxStrcmp(pDb->sqlState,wxT("37000"))) ||
+ (pDb->Dbms() == dbmsMS_SQL_SERVER && !wxStrcmp(pDb->sqlState,wxT("S1000"))) ||
+ (pDb->Dbms() == dbmsSYBASE_ASE && !wxStrcmp(pDb->sqlState,wxT("S0002"))) || // Base table not found
+ (pDb->Dbms() == dbmsMY_SQL && !wxStrcmp(pDb->sqlState,wxT("42S12"))) || // tested by Christopher Ludwik Marino-Cebulski using v3.23.21beta
+ (pDb->Dbms() == dbmsPOSTGRES && !wxStrcmp(pDb->sqlState,wxT("08S01")))
+ ))
{
pDb->DispNextError();
pDb->DispAllErrors(henv, hdbc, hstmt);
return(FALSE);
return(TRUE);
-} // wxTable::DropIndex()
+} // wxDbTable::DropIndex()
-/********** wxTable::Insert() **********/
-int wxTable::Insert(void)
+/********** wxDbTable::SetOrderByColNums() **********/
+bool wxDbTable::SetOrderByColNums(UWORD first, ... )
{
- assert(!queryOnly);
- if (queryOnly)
+ int colNo = first; // using 'int' to be able to look for wxDB_NO_MORE_COLUN_NUMBERS
+ 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;
+ }
+
+ if (colNo != first)
+ tempStr += wxT(",");
+
+ tempStr += colDefs[colNo].ColName;
+ colNo = va_arg (argptr, int);
+ }
+ va_end (argptr); /* Reset variable arguments. */
+
+ SetOrderByClause(tempStr);
+
+ return (!abort);
+} // wxDbTable::SetOrderByColNums()
+
+
+/********** wxDbTable::Insert() **********/
+int wxDbTable::Insert(void)
+{
+ wxASSERT(!queryOnly);
+ if (queryOnly || !insertable)
return(DB_FAILURE);
bindInsertParams();
{
// Check to see if integrity constraint was violated
pDb->GetNextError(henv, hdbc, hstmtInsert);
- if (! wxStrcmp(pDb->sqlState, "23000")) // Integrity constraint violated
+ if (! wxStrcmp(pDb->sqlState, wxT("23000"))) // Integrity constraint violated
return(DB_ERR_INTEGRITY_CONSTRAINT_VIOL);
else
{
// Record inserted into the datasource successfully
return(DB_SUCCESS);
-} // wxTable::Insert()
+} // wxDbTable::Insert()
-/********** wxTable::Update() **********/
-bool wxTable::Update(void)
+/********** wxDbTable::Update() **********/
+bool wxDbTable::Update(void)
{
- assert(!queryOnly);
+ wxASSERT(!queryOnly);
if (queryOnly)
return(FALSE);
- char sqlStmt[DB_MAX_STATEMENT_LEN];
+ wxString sqlStmt;
// Build the SQL UPDATE statement
- GetUpdateStmt(sqlStmt, DB_UPD_KEYFIELDS);
+ BuildUpdateStmt(sqlStmt, DB_UPD_KEYFIELDS);
pDb->WriteSqlLog(sqlStmt);
#ifdef DBDEBUG_CONSOLE
- cout << endl << sqlStmt << endl << endl;
+ cout << endl << sqlStmt.c_str() << endl << endl;
#endif
// Execute the SQL UPDATE statement
return(execUpdate(sqlStmt));
-} // wxTable::Update()
+} // wxDbTable::Update()
-/********** wxTable::Update(pSqlStmt) **********/
-bool wxTable::Update(const char *pSqlStmt)
+/********** wxDbTable::Update(pSqlStmt) **********/
+bool wxDbTable::Update(const wxString &pSqlStmt)
{
- assert(!queryOnly);
+ wxASSERT(!queryOnly);
if (queryOnly)
return(FALSE);
return(execUpdate(pSqlStmt));
-} // wxTable::Update(pSqlStmt)
+} // wxDbTable::Update(pSqlStmt)
-/********** wxTable::UpdateWhere() **********/
-bool wxTable::UpdateWhere(const char *pWhereClause)
+/********** wxDbTable::UpdateWhere() **********/
+bool wxDbTable::UpdateWhere(const wxString &pWhereClause)
{
- assert(!queryOnly);
+ wxASSERT(!queryOnly);
if (queryOnly)
return(FALSE);
- char sqlStmt[DB_MAX_STATEMENT_LEN];
+ wxString sqlStmt;
// Build the SQL UPDATE statement
- GetUpdateStmt(sqlStmt, DB_UPD_WHERE, pWhereClause);
+ BuildUpdateStmt(sqlStmt, DB_UPD_WHERE, pWhereClause);
pDb->WriteSqlLog(sqlStmt);
#ifdef DBDEBUG_CONSOLE
- cout << endl << sqlStmt << endl << endl;
+ cout << endl << sqlStmt.c_str() << endl << endl;
#endif
// Execute the SQL UPDATE statement
return(execUpdate(sqlStmt));
-} // wxTable::UpdateWhere()
+} // wxDbTable::UpdateWhere()
-/********** wxTable::Delete() **********/
-bool wxTable::Delete(void)
+/********** wxDbTable::Delete() **********/
+bool wxDbTable::Delete(void)
{
- assert(!queryOnly);
+ wxASSERT(!queryOnly);
if (queryOnly)
return(FALSE);
- char sqlStmt[DB_MAX_STATEMENT_LEN];
+ wxString sqlStmt;
+ sqlStmt.Empty();
// Build the SQL DELETE statement
- GetDeleteStmt(sqlStmt, DB_DEL_KEYFIELDS);
+ BuildDeleteStmt(sqlStmt, DB_DEL_KEYFIELDS);
pDb->WriteSqlLog(sqlStmt);
// Execute the SQL DELETE statement
return(execDelete(sqlStmt));
-} // wxTable::Delete()
+} // wxDbTable::Delete()
-/********** wxTable::DeleteWhere() **********/
-bool wxTable::DeleteWhere(const char *pWhereClause)
+/********** wxDbTable::DeleteWhere() **********/
+bool wxDbTable::DeleteWhere(const wxString &pWhereClause)
{
- assert(!queryOnly);
+ wxASSERT(!queryOnly);
if (queryOnly)
return(FALSE);
- char sqlStmt[DB_MAX_STATEMENT_LEN];
+ wxString sqlStmt;
+ sqlStmt.Empty();
// Build the SQL DELETE statement
- GetDeleteStmt(sqlStmt, DB_DEL_WHERE, pWhereClause);
+ BuildDeleteStmt(sqlStmt, DB_DEL_WHERE, pWhereClause);
pDb->WriteSqlLog(sqlStmt);
// Execute the SQL DELETE statement
return(execDelete(sqlStmt));
-} // wxTable::DeleteWhere()
+} // wxDbTable::DeleteWhere()
-/********** wxTable::DeleteMatching() **********/
-bool wxTable::DeleteMatching(void)
+/********** wxDbTable::DeleteMatching() **********/
+bool wxDbTable::DeleteMatching(void)
{
- assert(!queryOnly);
+ wxASSERT(!queryOnly);
if (queryOnly)
return(FALSE);
- char sqlStmt[DB_MAX_STATEMENT_LEN];
+ wxString sqlStmt;
+ sqlStmt.Empty();
// Build the SQL DELETE statement
- GetDeleteStmt(sqlStmt, DB_DEL_MATCHING);
+ BuildDeleteStmt(sqlStmt, DB_DEL_MATCHING);
pDb->WriteSqlLog(sqlStmt);
// Execute the SQL DELETE statement
return(execDelete(sqlStmt));
-} // wxTable::DeleteMatching()
-
-
-/********** wxTable::GetUpdateStmt() **********/
-void wxTable::GetUpdateStmt(char *pSqlStmt, int typeOfUpd, const 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[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)
- {
- wxStrcat(pSqlStmt, "ROWID = '");
- wxStrcat(pSqlStmt, rowid);
- wxStrcat(pSqlStmt, "'");
- break;
- }
- }
- // Unable to delete by ROWID, so build a WHERE
- // clause based on the keyfields.
- GetWhereClause(whereClause, DB_WHERE_KEYFIELDS);
- wxStrcat(pSqlStmt, whereClause);
- break;
- case DB_UPD_WHERE:
- wxStrcat(pSqlStmt, pWhereClause);
- break;
- }
-} // GetUpdateStmt()
+} // wxDbTable::DeleteMatching()
-/********** wxTable::GetDeleteStmt() **********/
-void wxTable::GetDeleteStmt(char *pSqlStmt, int typeOfDel, const char *pWhereClause)
+/********** wxDbTable::IsColNull() **********/
+bool wxDbTable::IsColNull(UWORD colNo)
{
- 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[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)
- {
- wxStrcat(pSqlStmt, "ROWID = '");
- wxStrcat(pSqlStmt, rowid);
- wxStrcat(pSqlStmt, "'");
- break;
- }
- }
- // Unable to delete by ROWID, so build a WHERE
- // clause based on the keyfields.
- GetWhereClause(whereClause, DB_WHERE_KEYFIELDS);
- wxStrcat(pSqlStmt, whereClause);
- break;
- case DB_DEL_WHERE:
- wxStrcat(pSqlStmt, pWhereClause);
- break;
- case DB_DEL_MATCHING:
- GetWhereClause(whereClause, DB_WHERE_MATCHING);
- wxStrcat(pSqlStmt, whereClause);
- break;
- }
-
-} // GetDeleteStmt()
-
-
-/********** wxTable::GetWhereClause() **********/
-void wxTable::GetWhereClause(char *pWhereClause, int typeOfWhere, const char *qualTableName)
/*
- * Note: GetWhereClause() 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);
- 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);
- }
- }
-} // wxTable::GetWhereClause()
+ This logic is just not right. It would indicate TRUE
+ if a numeric field were set to a value of 0.
-
-/********** wxTable::IsColNull() **********/
-bool wxTable::IsColNull(int colNo)
-{
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)
+ 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);
- else
- return(FALSE);
- default:
- return(TRUE);
}
-} // wxTable::IsColNull()
+*/
+ return (colDefs[colNo].Null);
+} // wxDbTable::IsColNull()
-/********** wxTable::CanSelectForUpdate() **********/
-bool wxTable::CanSelectForUpdate(void)
+/********** wxDbTable::CanSelectForUpdate() **********/
+bool wxDbTable::CanSelectForUpdate(void)
{
+ if (queryOnly)
+ return FALSE;
+
if (pDb->Dbms() == dbmsMY_SQL)
return FALSE;
- if (pDb->dbInf.posStmts & SQL_PS_SELECT_FOR_UPDATE)
+ if ((pDb->Dbms() == dbmsORACLE) ||
+ (pDb->dbInf.posStmts & SQL_PS_SELECT_FOR_UPDATE))
return(TRUE);
else
return(FALSE);
-} // wxTable::CanSelectForUpdate()
+} // wxDbTable::CanSelectForUpdate()
-/********** wxTable::CanUpdByROWID() **********/
-bool wxTable::CanUpdByROWID(void)
+/********** wxDbTable::CanUpdByROWID() **********/
+bool wxDbTable::CanUpdByROWID(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);
-
-} // wxTable::CanUpdByROWID()
+*/
+} // wxDbTable::CanUpdByROWID()
-/********** wxTable::IsCursorClosedOnCommit() **********/
-bool wxTable::IsCursorClosedOnCommit(void)
+/********** wxDbTable::IsCursorClosedOnCommit() **********/
+bool wxDbTable::IsCursorClosedOnCommit(void)
{
if (pDb->dbInf.cursorCommitBehavior == SQL_CB_PRESERVE)
return(FALSE);
else
return(TRUE);
-} // wxTable::IsCursorClosedOnCommit()
+} // wxDbTable::IsCursorClosedOnCommit()
-/********** wxTable::ClearMemberVars() **********/
-void wxTable::ClearMemberVars(void)
+
+/********** wxDbTable::ClearMemberVar() **********/
+void wxDbTable::ClearMemberVar(UWORD colNo, bool setToNull)
{
- // Loop through the columns setting each member variable to zero
- int i;
- for (i = 0; i < noCols; i++)
+ wxASSERT(colNo < noCols);
+
+ switch(colDefs[colNo].SqlCtype)
{
- switch(colDefs[i].SqlCtype)
- {
case SQL_C_CHAR:
- ((UCHAR FAR *) colDefs[i].PtrDataObj)[0] = 0;
+ ((UCHAR FAR *) colDefs[colNo].PtrDataObj)[0] = 0;
break;
case SQL_C_SSHORT:
- *((SWORD *) colDefs[i].PtrDataObj) = 0;
+ *((SWORD *) colDefs[colNo].PtrDataObj) = 0;
break;
case SQL_C_USHORT:
- *((UWORD*) colDefs[i].PtrDataObj) = 0;
+ *((UWORD*) colDefs[colNo].PtrDataObj) = 0;
break;
case SQL_C_SLONG:
- *((SDWORD *) colDefs[i].PtrDataObj) = 0;
+ *((SDWORD *) colDefs[colNo].PtrDataObj) = 0;
break;
case SQL_C_ULONG:
- *((UDWORD *) colDefs[i].PtrDataObj) = 0;
+ *((UDWORD *) colDefs[colNo].PtrDataObj) = 0;
break;
case SQL_C_FLOAT:
- *((SFLOAT *) colDefs[i].PtrDataObj) = 0.0f;
+ *((SFLOAT *) colDefs[colNo].PtrDataObj) = 0.0f;
break;
case SQL_C_DOUBLE:
- *((SDOUBLE *) colDefs[i].PtrDataObj) = 0.0f;
+ *((SDOUBLE *) colDefs[colNo].PtrDataObj) = 0.0f;
break;
case SQL_C_TIMESTAMP:
TIMESTAMP_STRUCT *pDt;
- pDt = (TIMESTAMP_STRUCT *) colDefs[i].PtrDataObj;
+ pDt = (TIMESTAMP_STRUCT *) colDefs[colNo].PtrDataObj;
pDt->year = 0;
pDt->month = 0;
pDt->day = 0;
pDt->second = 0;
pDt->fraction = 0;
break;
-
- }
}
-} // wxTable::ClearMemberVars()
+ if (setToNull)
+ SetColNull(colNo);
+} // wxDbTable::ClearMemberVar()
-/********** wxTable::SetQueryTimeout() **********/
-bool wxTable::SetQueryTimeout(UDWORD nSeconds)
+/********** wxDbTable::ClearMemberVars() **********/
+void wxDbTable::ClearMemberVars(bool setToNull)
+{
+ int i;
+
+ // Loop through the columns setting each member variable to zero
+ for (i=0; i < noCols; i++)
+ ClearMemberVar(i,setToNull);
+
+} // wxDbTable::ClearMemberVars()
+
+
+/********** wxDbTable::SetQueryTimeout() **********/
+bool wxDbTable::SetQueryTimeout(UDWORD nSeconds)
{
if (SQLSetStmtOption(hstmtInsert, SQL_QUERY_TIMEOUT, nSeconds) != SQL_SUCCESS)
return(pDb->DispAllErrors(henv, hdbc, hstmtInsert));
// Completed Successfully
return(TRUE);
-} // wxTable::SetQueryTimeout()
+} // wxDbTable::SetQueryTimeout()
-/********** wxTable::SetColDefs() **********/
-void wxTable::SetColDefs (int index, const char *fieldName, int dataType, void *pData,
- int cType, int size, bool keyField, bool upd,
- bool insAllow, bool derivedCol)
+/********** wxDbTable::SetColDefs() **********/
+void wxDbTable::SetColDefs(UWORD index, const wxString &fieldName, int dataType, void *pData,
+ SWORD 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)
+ if (fieldName.Length() > (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;
colDefs[index].Null = FALSE;
-} // wxTable::SetColDefs()
+} // wxDbTable::SetColDefs()
-/********** wxTable::SetColDef() **********/
-wxColDataPtr* wxTable::SetColDefs (wxColInf *pColInfs, ULONG numCols)
+/********** wxDbTable::SetColDefs() **********/
+wxDbColDataPtr* wxDbTable::SetColDefs(wxDbColInf *pColInfs, UWORD numCols)
{
- assert(pColInfs);
- wxColDataPtr *pColDataPtrs = NULL;
+ wxASSERT(pColInfs);
+ wxDbColDataPtr *pColDataPtrs = NULL;
if (pColInfs)
{
- ULONG index;
-
+ UWORD index;
- pColDataPtrs = new wxColDataPtr[numCols+1];
+ pColDataPtrs = new wxDbColDataPtr[numCols+1];
for (index = 0; index < numCols; index++)
{
switch (pColInfs[index].dbDataType)
{
case DB_DATA_TYPE_VARCHAR:
- {
- pColDataPtrs[index].PtrDataObj = new char[pColInfs[index].bufferLength+1];
+ pColDataPtrs[index].PtrDataObj = new wxChar[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].SqlCtype = SQL_C_SSHORT;
}
break;
- }
case DB_DATA_TYPE_FLOAT:
- {
// Can be float or double
if (pColInfs[index].bufferLength == sizeof(float))
{
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;
- }
+ case DB_DATA_TYPE_BLOB:
+ int notSupportedYet = 0;
+ wxASSERT_MSG(notSupportedYet, wxT("This form of ::SetColDefs() cannot be used with BLOB columns"));
+ pColDataPtrs[index].PtrDataObj = /*BLOB ADDITION NEEDED*/NULL;
+ pColDataPtrs[index].SzDataObj = /*BLOB ADDITION NEEDED*/sizeof(void *);
+ pColDataPtrs[index].SqlCtype = SQL_VARBINARY;
+ break;
+ }
+ if (pColDataPtrs[index].PtrDataObj != NULL)
+ SetColDefs (index,pColInfs[index].colName,pColInfs[index].dbDataType, pColDataPtrs[index].PtrDataObj, pColDataPtrs[index].SqlCtype, pColDataPtrs[index].SzDataObj);
+ else
+ {
+ // Unable to build all the column definitions, as either one of
+ // the calls to "new" failed above, or there was a BLOB field
+ // to have a column definition for. If BLOBs are to be used,
+ // the other form of ::SetColDefs() must be used, as it is impossible
+ // to know the maximum size to create the PtrDataObj to be.
+ delete [] pColDataPtrs;
+ return NULL;
}
-
- SetColDefs (index,pColInfs[index].colName,pColInfs[index].dbDataType, pColDataPtrs[index].PtrDataObj, pColDataPtrs[index].SqlCtype, pColDataPtrs[index].SzDataObj);
}
}
+
return (pColDataPtrs);
-} // wxTable::SetColDef()
+} // wxDbTable::SetColDefs()
-/********** wxTable::SetCursor() **********/
-void wxTable::SetCursor(HSTMT *hstmtActivate)
+
+/********** wxDbTable::SetCursor() **********/
+void wxDbTable::SetCursor(HSTMT *hstmtActivate)
{
- if (hstmtActivate == DEFAULT_CURSOR)
+ if (hstmtActivate == wxDB_DEFAULT_CURSOR)
hstmt = *hstmtDefault;
else
hstmt = *hstmtActivate;
-} // wxTable::SetCursor()
+} // wxDbTable::SetCursor()
-/********** wxTable::Count(const char *) **********/
-ULONG wxTable::Count(const char *args)
+/********** wxDbTable::Count(const wxString &) **********/
+ULONG wxDbTable::Count(const wxString &args)
{
- ULONG l;
+ ULONG count;
wxString sqlStmt;
SDWORD cb;
// Build a "SELECT COUNT(*) FROM queryTableName [WHERE whereClause]" SQL Statement
- sqlStmt = "SELECT COUNT(";
+ sqlStmt = wxT("SELECT COUNT(");
sqlStmt += args;
- sqlStmt += ") FROM ";
+ sqlStmt += wxT(") 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 += wxT(" WHERE ");
sqlStmt += where;
}
- pDb->WriteSqlLog(sqlStmt.GetData());
+ pDb->WriteSqlLog(sqlStmt);
// Initialize the Count cursor if it's not already initialized
if (!hstmtCount)
{
- hstmtCount = NewCursor(FALSE,FALSE);
- assert(hstmtCount);
+ hstmtCount = GetNewCursor(FALSE,FALSE);
+ wxASSERT(hstmtCount);
if (!hstmtCount)
return(0);
}
// Execute the SQL statement
- if (SQLExecDirect(*hstmtCount, (UCHAR FAR *) sqlStmt.GetData(), SQL_NTS) != SQL_SUCCESS)
+ if (SQLExecDirect(*hstmtCount, (UCHAR FAR *) sqlStmt.c_str(), SQL_NTS) != SQL_SUCCESS)
{
pDb->DispAllErrors(henv, hdbc, *hstmtCount);
return(0);
}
// Obtain the result
- if (SQLGetData(*hstmtCount, 1, SQL_C_ULONG, &l, sizeof(l), &cb) != SQL_SUCCESS)
+ if (SQLGetData(*hstmtCount, (UWORD)1, SQL_C_ULONG, &count, sizeof(count), &cb) != SQL_SUCCESS)
{
pDb->DispAllErrors(henv, hdbc, *hstmtCount);
return(0);
pDb->DispAllErrors(henv, hdbc, *hstmtCount);
// Return the record count
- return(l);
+ return(count);
-} // wxTable::Count()
+} // wxDbTable::Count()
-/********** wxTable::Refresh() **********/
-bool wxTable::Refresh(void)
+/********** wxDbTable::Refresh() **********/
+bool wxDbTable::Refresh(void)
{
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, "");
+ wxString whereClause;
+ whereClause.Empty();
+
if (CanUpdByROWID())
{
SDWORD cb;
- char rowid[ROWID_LEN+1];
+ wxChar 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, ROWID_LEN, &cb) == SQL_SUCCESS)
+ if (SQLGetData(hstmt, (UWORD)(noCols+1), SQL_C_CHAR, (UCHAR*) rowid, wxDB_ROWID_LEN, &cb) == SQL_SUCCESS)
{
- wxStrcat(whereClause, queryTableName);
- wxStrcat(whereClause, ".ROWID = '");
- wxStrcat(whereClause, rowid);
- wxStrcat(whereClause, "'");
+ whereClause += queryTableName;
+ whereClause += wxT(".ROWID = '");
+ whereClause += rowid;
+ whereClause += wxT("'");
}
}
// If unable to use the ROWID, build a where clause from the keyfields
if (wxStrlen(whereClause) == 0)
- GetWhereClause(whereClause, DB_WHERE_KEYFIELDS, queryTableName);
+ BuildWhereClause(whereClause, DB_WHERE_KEYFIELDS, queryTableName);
// Requery the record
where = whereClause;
- orderBy = 0;
+ orderBy.Empty();
if (!Query())
result = FALSE;
return(result);
-} // wxTable::Refresh()
+} // wxDbTable::Refresh()
-/********** wxTable::SetNull(int colNo) **********/
-bool wxTable::SetNull(int colNo)
+/********** wxDbTable::SetColNull() **********/
+bool wxDbTable::SetColNull(UWORD colNo, bool set)
{
if (colNo < noCols)
- return(colDefs[colNo].Null = TRUE);
+ {
+ 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);
-} // wxTable::SetNull(int colNo)
+} // wxDbTable::SetColNull()
-/********** wxTable::SetNull(char *colName) **********/
-bool wxTable::SetNull(const char *colName)
+/********** wxDbTable::SetColNull() **********/
+bool wxDbTable::SetColNull(const wxString &colName, bool set)
{
int i;
for (i = 0; i < noCols; i++)
}
if (i < noCols)
- return(colDefs[i].Null = TRUE);
+ {
+ 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);
-} // wxTable::SetNull(char *colName)
+} // wxDbTable::SetColNull()
-/********** wxTable::NewCursor() **********/
-HSTMT *wxTable::NewCursor(bool setCursor, bool bindColumns)
+/********** wxDbTable::GetNewCursor() **********/
+HSTMT *wxDbTable::GetNewCursor(bool setCursor, bool bindColumns)
{
HSTMT *newHSTMT = new HSTMT;
- assert(newHSTMT);
+ wxASSERT(newHSTMT);
if (!newHSTMT)
return(0);
return(newHSTMT);
-} // wxTable::NewCursor()
+} // wxDbTable::GetNewCursor()
-/********** wxTable::DeleteCursor() **********/
-bool wxTable::DeleteCursor(HSTMT *hstmtDel)
+/********** wxDbTable::DeleteCursor() **********/
+bool wxDbTable::DeleteCursor(HSTMT *hstmtDel)
{
bool result = TRUE;
if (!hstmtDel) // Cursor already deleted
return(result);
+/*
+ODBC 3.0 says to use this form
+ if (SQLFreeHandle(*hstmtDel, SQL_DROP) != SQL_SUCCESS)
+
+*/
if (SQLFreeStmt(*hstmtDel, SQL_DROP) != SQL_SUCCESS)
{
pDb->DispAllErrors(henv, hdbc);
return(result);
-} // wxTable::DeleteCursor()
+} // wxDbTable::DeleteCursor()
#endif // wxUSE_ODBC
projects / wxWidgets.git / blobdiff