Added "const" to the (char *) type params that should have been const params. Cleaned up code surrounding the upper casing (or not uppercasing) user names and table names for specific databases.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@4690 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
George Tasker
1999-11-25 15:54:04 +00:00
parent 0b0ca94c89
commit 6919c53fd2
2 changed files with 421 additions and 437 deletions

View File

@@ -102,7 +102,7 @@ ULONG lastTableID = 0;
/********** wxTable::wxTable() **********/
wxTable::wxTable(wxDB *pwxDB, const char *tblName, const int nCols,
const char *qryTblName, bool qryOnly, char *tblPath)
const char *qryTblName, bool qryOnly, const char *tblPath)
{
pDb = pwxDB; // Pointer to the wxDB object
henv = 0;
@@ -309,308 +309,7 @@ wxTable::~wxTable()
} // wxTable::~wxTable()
/********** wxTable::Open() **********/
bool wxTable::Open(void)
{
if (!pDb)
return FALSE;
int i;
char sqlStmt[DB_MAX_STATEMENT_LEN];
// Verify that the table exists in the database
if (!pDb->TableExists(tableName,NULL,tablePath))
{
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 (!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;
sprintf(sqlStmt, "INSERT INTO %s (", tableName);
for (i = 0; i < noCols; i++)
{
if (! colDefs[i].InsertAllowed)
continue;
if (needComma)
wxStrcat(sqlStmt, ",");
wxStrcat(sqlStmt, colDefs[i].ColName);
needComma = TRUE;
}
needComma = FALSE;
wxStrcat(sqlStmt, ") VALUES (");
for (i = 0; i < noCols; i++)
{
if (! colDefs[i].InsertAllowed)
continue;
if (needComma)
wxStrcat(sqlStmt, ",");
wxStrcat(sqlStmt, "?");
needComma = TRUE;
}
wxStrcat(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)
{
return(query(DB_SELECT_WHERE, forUpdate, distinct));
} // wxTable::Query()
/********** wxTable::QueryBySqlStmt() **********/
bool wxTable::QueryBySqlStmt(char *pSqlStmt)
{
pDb->WriteSqlLog(pSqlStmt);
return(query(DB_SELECT_STATEMENT, FALSE, FALSE, pSqlStmt));
} // wxTable::QueryBySqlStmt()
/********** wxTable::QueryMatching() **********/
bool wxTable::QueryMatching(bool forUpdate, bool distinct)
{
return(query(DB_SELECT_MATCHING, forUpdate, distinct));
} // wxTable::QueryMatching()
/********** wxTable::QueryOnKeyFields() **********/
bool wxTable::QueryOnKeyFields(bool forUpdate, bool distinct)
{
return(query(DB_SELECT_KEYFIELDS, forUpdate, distinct));
} // wxTable::QueryOnKeyFields()
/********** wxTable::query() **********/
bool wxTable::query(int queryType, bool forUpdate, bool distinct, char *pSqlStmt)
{
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
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));
// Completed successfully
return(TRUE);
} // wxTable::query()
/********** wxTable::GetSelectStmt() **********/
void wxTable::GetSelectStmt(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 (typeOfSelect == DB_SELECT_WHERE && from && wxStrlen(from))
appendFromClause = TRUE;
// 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 (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))
{
wxStrcat(pSqlStmt, " WHERE ");
wxStrcat(pSqlStmt, whereClause);
}
break;
case DB_SELECT_MATCHING:
GetWhereClause(whereClause, DB_WHERE_MATCHING);
if (wxStrlen(whereClause))
{
wxStrcat(pSqlStmt, " WHERE ");
wxStrcat(pSqlStmt, whereClause);
}
break;
}
// Append the ORDER BY clause
if (orderBy && wxStrlen(orderBy))
{
wxStrcat(pSqlStmt, " ORDER BY ");
wxStrcat(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())
wxStrcat(pSqlStmt, " FOR UPDATE");
} // wxTable::GetSelectStmt()
/********** wxTable::getRec() **********/
bool wxTable::getRec(UWORD fetchType)
{
RETCODE retcode;
#if !wxODBC_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)
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
// 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));
}
#endif
// Completed successfully
return(TRUE);
} // wxTable::getRec()
/********** wxTable::GetRowNum() **********/
UWORD wxTable::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);
} // wxTable::GetRowNum()
/***************************** PRIVATE FUNCTIONS *****************************/
/********** wxTable::bindInsertParams() **********/
bool wxTable::bindInsertParams(void)
@@ -757,6 +456,335 @@ bool wxTable::bindCols(HSTMT cursor)
} // wxTable::bindCols()
/********** wxTable::getRec() **********/
bool wxTable::getRec(UWORD fetchType)
{
RETCODE retcode;
#if !wxODBC_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)
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
// 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));
}
#endif
// Completed successfully
return(TRUE);
} // wxTable::getRec()
/********** wxTable::execDelete() **********/
bool wxTable::execDelete(const char *pSqlStmt)
{
// Execute the DELETE statement
if (SQLExecDirect(hstmtDelete, (UCHAR FAR *) pSqlStmt, SQL_NTS) != SQL_SUCCESS)
return(pDb->DispAllErrors(henv, hdbc, hstmtDelete));
// Record deleted successfully
return(TRUE);
} // wxTable::execDelete()
/********** wxTable::execUpdate() **********/
bool wxTable::execUpdate(const char *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);
} // wxTable::execUpdate()
/********** wxTable::query() **********/
bool wxTable::query(int queryType, bool forUpdate, bool distinct, char *pSqlStmt)
{
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
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));
// Completed successfully
return(TRUE);
} // wxTable::query()
/********** wxTable::Open() **********/
bool wxTable::Open(void)
{
if (!pDb)
return FALSE;
int i;
char sqlStmt[DB_MAX_STATEMENT_LEN];
// Verify that the table exists in the database
if (!pDb->TableExists(tableName,NULL,tablePath))
{
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 (!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;
sprintf(sqlStmt, "INSERT INTO %s (", tableName);
for (i = 0; i < noCols; i++)
{
if (! colDefs[i].InsertAllowed)
continue;
if (needComma)
wxStrcat(sqlStmt, ",");
wxStrcat(sqlStmt, colDefs[i].ColName);
needComma = TRUE;
}
needComma = FALSE;
wxStrcat(sqlStmt, ") VALUES (");
for (i = 0; i < noCols; i++)
{
if (! colDefs[i].InsertAllowed)
continue;
if (needComma)
wxStrcat(sqlStmt, ",");
wxStrcat(sqlStmt, "?");
needComma = TRUE;
}
wxStrcat(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)
{
return(query(DB_SELECT_WHERE, forUpdate, distinct));
} // wxTable::Query()
/********** wxTable::QueryBySqlStmt() **********/
bool wxTable::QueryBySqlStmt(char *pSqlStmt)
{
pDb->WriteSqlLog(pSqlStmt);
return(query(DB_SELECT_STATEMENT, FALSE, FALSE, pSqlStmt));
} // wxTable::QueryBySqlStmt()
/********** wxTable::QueryMatching() **********/
bool wxTable::QueryMatching(bool forUpdate, bool distinct)
{
return(query(DB_SELECT_MATCHING, forUpdate, distinct));
} // wxTable::QueryMatching()
/********** wxTable::QueryOnKeyFields() **********/
bool wxTable::QueryOnKeyFields(bool forUpdate, bool distinct)
{
return(query(DB_SELECT_KEYFIELDS, forUpdate, distinct));
} // wxTable::QueryOnKeyFields()
/********** wxTable::GetSelectStmt() **********/
void wxTable::GetSelectStmt(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 (typeOfSelect == DB_SELECT_WHERE && from && wxStrlen(from))
appendFromClause = TRUE;
// 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 (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))
{
wxStrcat(pSqlStmt, " WHERE ");
wxStrcat(pSqlStmt, whereClause);
}
break;
case DB_SELECT_MATCHING:
GetWhereClause(whereClause, DB_WHERE_MATCHING);
if (wxStrlen(whereClause))
{
wxStrcat(pSqlStmt, " WHERE ");
wxStrcat(pSqlStmt, whereClause);
}
break;
}
// Append the ORDER BY clause
if (orderBy && wxStrlen(orderBy))
{
wxStrcat(pSqlStmt, " ORDER BY ");
wxStrcat(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())
wxStrcat(pSqlStmt, " FOR UPDATE");
} // wxTable::GetSelectStmt()
/********** wxTable::GetRowNum() **********/
UWORD wxTable::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);
} // wxTable::GetRowNum()
/********** wxTable::CloseCursor() **********/
bool wxTable::CloseCursor(HSTMT cursor)
{
@@ -971,7 +999,7 @@ bool wxTable::DropTable()
} // wxTable::DropTable()
/********** wxTable::CreateIndex() **********/
bool wxTable::CreateIndex(char * idxName, bool unique, int noIdxCols, CidxDef *pIdxDefs, bool attemptDrop)
bool wxTable::CreateIndex(const char * idxName, bool unique, int noIdxCols, CidxDef *pIdxDefs, bool attemptDrop)
{
char sqlStmt[DB_MAX_STATEMENT_LEN];
@@ -1038,7 +1066,7 @@ bool wxTable::CreateIndex(char * idxName, bool unique, int noIdxCols, CidxDef *p
} // wxTable::CreateIndex()
/********** wxTable::DropIndex() **********/
bool wxTable::DropIndex(char * idxName)
bool wxTable::DropIndex(const char * idxName)
{
// NOTE: This function returns TRUE if the Index does not exist, but
// only for identified databases. Code will need to be added
@@ -1121,19 +1149,6 @@ int wxTable::Insert(void)
} // wxTable::Insert()
/********** wxTable::Update(pSqlStmt) **********/
bool wxTable::Update(char *pSqlStmt)
{
assert(!queryOnly);
if (queryOnly)
return(FALSE);
pDb->WriteSqlLog(pSqlStmt);
return(execUpdate(pSqlStmt));
} // wxTable::Update(pSqlStmt)
/********** wxTable::Update() **********/
bool wxTable::Update(void)
{
@@ -1157,8 +1172,21 @@ bool wxTable::Update(void)
} // wxTable::Update()
/********** wxTable::Update(pSqlStmt) **********/
bool wxTable::Update(const char *pSqlStmt)
{
assert(!queryOnly);
if (queryOnly)
return(FALSE);
pDb->WriteSqlLog(pSqlStmt);
return(execUpdate(pSqlStmt));
} // wxTable::Update(pSqlStmt)
/********** wxTable::UpdateWhere() **********/
bool wxTable::UpdateWhere(char *pWhereClause)
bool wxTable::UpdateWhere(const char *pWhereClause)
{
assert(!queryOnly);
if (queryOnly)
@@ -1200,7 +1228,7 @@ bool wxTable::Delete(void)
} // wxTable::Delete()
/********** wxTable::DeleteWhere() **********/
bool wxTable::DeleteWhere(char *pWhereClause)
bool wxTable::DeleteWhere(const char *pWhereClause)
{
assert(!queryOnly);
if (queryOnly)
@@ -1237,32 +1265,8 @@ bool wxTable::DeleteMatching(void)
} // wxTable::DeleteMatching()
/********** wxTable::execDelete() **********/
bool wxTable::execDelete(char *pSqlStmt)
{
// Execute the DELETE statement
if (SQLExecDirect(hstmtDelete, (UCHAR FAR *) pSqlStmt, SQL_NTS) != SQL_SUCCESS)
return(pDb->DispAllErrors(henv, hdbc, hstmtDelete));
// Record deleted successfully
return(TRUE);
} // wxTable::execDelete()
/********** wxTable::execUpdate() **********/
bool wxTable::execUpdate(char *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);
} // wxTable::execUpdate()
/********** wxTable::GetUpdateStmt() **********/
void wxTable::GetUpdateStmt(char *pSqlStmt, int typeOfUpd, char *pWhereClause)
void wxTable::GetUpdateStmt(char *pSqlStmt, int typeOfUpd, const char *pWhereClause)
{
assert(!queryOnly);
if (queryOnly)
@@ -1323,11 +1327,10 @@ void wxTable::GetUpdateStmt(char *pSqlStmt, int typeOfUpd, char *pWhereClause)
wxStrcat(pSqlStmt, pWhereClause);
break;
}
} // GetUpdateStmt()
/********** wxTable::GetDeleteStmt() **********/
void wxTable::GetDeleteStmt(char *pSqlStmt, int typeOfDel, char *pWhereClause)
void wxTable::GetDeleteStmt(char *pSqlStmt, int typeOfDel, const char *pWhereClause)
{
assert(!queryOnly);
if (queryOnly)
@@ -1392,7 +1395,7 @@ void wxTable::GetDeleteStmt(char *pSqlStmt, int typeOfDel, char *pWhereClause)
* They are not included as part of the where clause.
*/
void wxTable::GetWhereClause(char *pWhereClause, int typeOfWhere, char *qualTableName)
void wxTable::GetWhereClause(char *pWhereClause, int typeOfWhere, const char *qualTableName)
{
bool moreThanOneColumn = FALSE;
char colValue[255];
@@ -1585,7 +1588,7 @@ bool wxTable::SetQueryTimeout(UDWORD nSeconds)
} // wxTable::SetQueryTimeout()
/********** wxTable::SetColDefs() **********/
void wxTable::SetColDefs (int index, char *fieldName, int dataType, void *pData,
void wxTable::SetColDefs (int index, const char *fieldName, int dataType, void *pData,
int cType, int size, bool keyField, bool upd,
bool insAllow, bool derivedCol)
{
@@ -1769,7 +1772,7 @@ bool wxTable::SetNull(int colNo)
} // wxTable::SetNull(UINT colNo)
/********** wxTable::SetNull(char *colName) **********/
bool wxTable::SetNull(char *colName)
bool wxTable::SetNull(const char *colName)
{
int i;
for (i = 0; i < noCols; i++)