本文整理汇总了C++中PCOL::GetValue方法的典型用法代码示例。如果您正苦于以下问题：C++ PCOL::GetValue方法的具体用法？C++ PCOL::GetValue怎么用？C++ PCOL::GetValue使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类PCOL的用法示例。
在下文中一共展示了PCOL::GetValue方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: strcpy
char *TDBWMI::MakeWQL(PGLOBAL g)
{
char *colist, *wql/*, *pw = NULL*/;
int len, ncol = 0;
bool first = true, noloc = false;
PCOL colp;
// Normal WQL statement to retrieve results
for (colp = Columns; colp; colp = colp->GetNext())
if (!colp->IsSpecial() && (colp->GetColUse(U_P | U_J_EXT) || noloc))
ncol++;
if (ncol) {
colist = (char*)PlugSubAlloc(g, NULL, (NAM_LEN + 4) * ncol);
for (colp = Columns; colp; colp = colp->GetNext())
if (!colp->IsSpecial()) {
if (colp->GetResultType() == TYPE_DATE)
((DTVAL*)colp->GetValue())->SetFormat(g, "YYYYMMDDhhmmss", 19);
if (colp->GetColUse(U_P | U_J_EXT) || noloc) {
if (first) {
strcpy(colist, colp->GetName());
first = false;
} else
strcat(strcat(colist, ", "), colp->GetName());
} // endif ColUse
} // endif Special
} else {
// ncol == 0 can occur for queries such that sql count(*) from...
// for which we will count the rows from sql * from...
colist = (char*)PlugSubAlloc(g, NULL, 2);
strcpy(colist, "*");
} // endif ncol
// Below 14 is length of 'select ' + length of ' from ' + 1
len = (strlen(colist) + strlen(Wclass) + 14);
len += (To_CondFil ? strlen(To_CondFil->Body) + 7 : 0);
wql = (char*)PlugSubAlloc(g, NULL, len);
strcat(strcat(strcpy(wql, "SELECT "), colist), " FROM ");
strcat(wql, Wclass);
if (To_CondFil)
strcat(strcat(wql, " WHERE "), To_CondFil->Body);
return wql;
} // end of MakeWQL示例2: InsertSpecialColumn
PCOL TDBTBL::InsertSpecialColumn(PCOL scp)
{
PCOL colp;
if (!scp->IsSpecial())
return NULL;
if (scp->GetAmType() == TYPE_AM_TABID)
// This special column is handled locally
colp = new((TIDBLK*)scp) TBTBLK(scp->GetValue());
else // Other special columns are treated normally
colp = scp;
colp->SetNext(Columns);
Columns = colp;
return colp;
} // end of InsertSpecialColumn示例3: ReadDB
int TDBPIVOT::ReadDB(PGLOBAL g)
{
int rc = RC_OK;
bool newrow = FALSE;
PCOL colp;
if (FileStatus == 2)
return RC_EF;
if (FileStatus)
for (colp = Columns; colp; colp = colp->GetNext())
if (colp->GetAmType() == TYPE_AM_SRC)
((PSRCCOL)colp)->SetColumn();
// New row, reset all function column values
for (colp = Columns; colp; colp = colp->GetNext())
if (colp->GetAmType() == TYPE_AM_FNC)
colp->GetValue()->Reset();
/*********************************************************************/
/* Now start the multi reading process. */
/*********************************************************************/
do {
if (RowFlag != 1) {
if ((rc = Tdbp->ReadDB(g)) != RC_OK) {
if (FileStatus && rc == RC_EF) {
// A prepared row remains to be sent
FileStatus = 2;
rc = RC_OK;
} // endif FileStatus
break;
} // endif rc
for (colp = Tdbp->GetColumns(); colp; colp = colp->GetNext())
colp->ReadColumn(g);
for (colp = Columns; colp; colp = colp->GetNext())
if (colp->GetAmType() == TYPE_AM_SRC)
if (FileStatus) {
if (((PSRCCOL)colp)->CompareLast()) {
newrow = (RowFlag) ? TRUE : FALSE;
break;
} // endif CompareLast
} else
((PSRCCOL)colp)->SetColumn();
FileStatus = 1;
} // endif RowFlag
if (newrow) {
RowFlag = 1;
break;
} else
RowFlag = 2;
// Look for the column having this header
for (colp = Columns; colp; colp = colp->GetNext())
if (colp->GetAmType() == TYPE_AM_FNC) {
if (((PFNCCOL)colp)->CompareColumn())
break;
} // endif AmType
if (!colp && !(colp = Dcolp)) {
if (!Accept) {
strcpy(g->Message, MSG(NO_MATCH_COL));
return RC_FX;
} else
continue;
} // endif colp
// Set the value of the matching column from the fonction value
colp->GetValue()->SetValue_pval(Fcolp->GetValue());
} while (RowFlag == 2);
N++;
return rc;
} // end of ReadDB