本文整理汇总了C++中DBObjTableField::Length方法的典型用法代码示例。如果您正苦于以下问题：C++ DBObjTableField::Length方法的具体用法？C++ DBObjTableField::Length怎么用？C++ DBObjTableField::Length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DBObjTableField的用法示例。
在下文中一共展示了DBObjTableField::Length方法的2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: RGlibPointInterStationTS
DBInt RGlibPointInterStationTS(DBObjData *pntData, DBObjData *tsData, char *relateFldName, char *joinFldName) {
DBInt first = true, tsIndex, tsRowNum = 0;
DBObjTable *pntTBL = pntData->Table(DBrNItems), *tsTBL;
DBObjectLIST<DBObjTableField> *fields;
DBObjTableField *pntNextFLD = pntTBL->Field(RGlibNextStation);
DBObjTableField *pntAreaFLD = pntTBL->Field(RGlibArea);
DBObjTableField *pntInterStnFLD = pntTBL->Field(RGlibInterStation);
DBObjTableField *pntRelateFLD;
DBObjTableField *pntNewNextFLD;
DBObjTableField *pntNewInterStnFLD;
DBObjTableField *tsTimeFLD;
DBObjTableField *tsJoinFLD;
DBObjTableField *tsNextStnFLD, *tsInterStnFLD;
DBObjRecord *pntRec, *nextPntRec, *tsRec, *tsIndexRec;
DBDate curDate, date;
if (pntNextFLD == (DBObjTableField *) NULL) {
CMmsgPrint(CMmsgUsrError, "Missing Next Station Field!");
return (DBFault);
}
if (pntAreaFLD == (DBObjTableField *) NULL) {
CMmsgPrint(CMmsgUsrError, "Missing STN Area Field!");
return (DBFault);
}
if (pntInterStnFLD == (DBObjTableField *) NULL) {
CMmsgPrint(CMmsgUsrError, "Missing Interfluvial Area Field!");
return (DBFault);
}
tsTBL = tsData->Table(DBrNItems);
tsNextStnFLD = new DBObjTableField(RGlibNextStation, DBTableFieldInt, "%8d", sizeof(DBInt));
tsTBL->AddField(tsNextStnFLD);
tsInterStnFLD = new DBObjTableField(RGlibInterStation, DBTableFieldFloat, "%9.1f", sizeof(DBFloat4));
tsTBL->AddField(tsInterStnFLD);
fields = tsTBL->Fields();
for (tsTimeFLD = fields->First(); tsTimeFLD != (DBObjTableField *) NULL; tsTimeFLD = fields->Next())
if (tsTimeFLD->Type() == DBTableFieldDate) break;
if (tsTimeFLD == (DBObjTableField *) NULL) {
CMmsgPrint(CMmsgUsrError, "Missing Date Field!");
return (DBFault);
}
if ((tsJoinFLD = tsTBL->Field(joinFldName)) == (DBObjTableField *) NULL) {
CMmsgPrint(CMmsgUsrError, "Missing Join Field!");
return (DBFault);
}
fields = new DBObjectLIST<DBObjTableField>("Field List");
fields->Add(new DBObjTableField(*tsTimeFLD));
fields->Add(new DBObjTableField(*tsJoinFLD));
tsTBL->ListSort(fields);
delete fields;
pntTBL = new DBObjTable(*pntTBL);
pntNextFLD = pntTBL->Field(RGlibNextStation);
pntAreaFLD = pntTBL->Field(RGlibArea);
pntInterStnFLD = pntTBL->Field(RGlibInterStation);
pntNewNextFLD = new DBObjTableField("NextStnTS", pntNextFLD->Type(), pntNextFLD->Format(), pntNextFLD->Length());
pntNewInterStnFLD = new DBObjTableField("InterFluTS", pntInterStnFLD->Type(), pntInterStnFLD->Format(),
pntInterStnFLD->Length());
pntRelateFLD = pntTBL->Field(relateFldName);
pntTBL->AddField(pntNewNextFLD);
pntTBL->AddField(pntNewInterStnFLD);
pntTBL->ListSort(pntRelateFLD);
tsIndexRec = tsTBL->First(&tsIndex);
for (tsRec = tsTBL->First(); tsRec != (DBObjRecord *) NULL; tsRec = tsTBL->Next()) {
DBPause(tsRowNum++ * 100 / tsTBL->ItemNum());
date = tsTimeFLD->Date(tsRec);
if (date != curDate) {
if (first) first = false;
else {
for (pntRec = pntTBL->First(); pntRec != (DBObjRecord *) NULL; pntRec = pntTBL->Next()) {
if ((pntRec->Flags() & DBObjectFlagLocked) != DBObjectFlagLocked) continue;
for (nextPntRec = pntTBL->Item(pntNextFLD->Int(pntRec) - 1);
(nextPntRec != (DBObjRecord *) NULL) &&
((nextPntRec->Flags() & DBObjectFlagLocked) != DBObjectFlagLocked);
nextPntRec = pntTBL->Item(pntNextFLD->Int(nextPntRec) - 1));
if (nextPntRec != (DBObjRecord *) NULL) {
pntNewNextFLD->Int(pntRec, nextPntRec->RowID() + 1);
pntNewInterStnFLD->Float(nextPntRec,
pntNewInterStnFLD->Float(nextPntRec) - pntAreaFLD->Float(pntRec));
}
}
pntRec = pntTBL->First();
for (; tsIndexRec != (DBObjRecord *) NULL; tsIndexRec = tsTBL->Next(&tsIndex)) {
if (tsRec == tsIndexRec) break;
for (; pntRec != (DBObjRecord *) NULL; pntRec = pntTBL->Next())
if (pntRelateFLD->Int(pntRec) == tsJoinFLD->Int(tsIndexRec)) {
tsNextStnFLD->Int(tsIndexRec, pntNewNextFLD->Int(pntRec));
tsInterStnFLD->Float(tsIndexRec, pntNewInterStnFLD->Float(pntRec));
break;
}
if (pntRec == (DBObjRecord *) NULL) pntRec = pntTBL->First();
}
}
for (pntRec = pntTBL->First(); pntRec != (DBObjRecord *) NULL; pntRec = pntTBL->Next()) {
pntNewNextFLD->Int(pntRec, 0);
pntNewInterStnFLD->Float(pntRec, pntAreaFLD->Float(pntRec));
pntRec->Flags(DBObjectFlagLocked, DBClear);
}
curDate = date;
//.........这里部分代码省略.........
示例2: main
//.........这里部分代码省略.........
if(DBTableFieldIsCategory(field))
{
groups[i] = new Groups();
groups[i]->srcFLD = field;
groups[i]->dstFLD = new DBObjTableField(*field);
outTable->AddField(groups[i]->dstFLD);
// CMmsgPrint (CMmsgUsrError, "Added Group: %s",groups[i]->dstFLD->Name());
}
else CMmsgPrint (CMmsgUsrError, "Group %s is not Category!",groupnames[i]);
}
delete groupnames;
p = head->next;
temp = head;
while(p->next)
{
FieldOptions *duplicate = (FieldOptions *) NULL, *prev = p;
if(!p->getPrint() && FLDExists(p,p->getOldName(),p->getFunc(),&duplicate))
{ temp->next = p->next; delete p; p = temp->next; continue; }
while(FLDExists(prev,prev->getOldName(),prev->getFunc(),&prev,&duplicate) && !duplicate->getPrint())
{ prev->next = duplicate->next; delete duplicate; }
temp = p;
p = p->next;
}
// p = head->next;
// while(p) { CMmsgPrint (CMmsgUsrError, "Added: o:%s n:%s p:",p->getOldName(),p->getNewName()); if(p->getPrint()) CMmsgPrint (CMmsgUsrError, "true"); else CMmsgPrint (CMmsgUsrError, "false"); p = p->next; }
fields = inTable->Fields();
p = head->next;
while(p)
{
field = fields->Item (p->getOldName());
if (p->getFunc() == MIN || p->getFunc() == MAX)
p->field = new DBObjTableField(p->getNewName(),field->Type(),field->Format(),field->Length());
else if(p->getFunc() == NUM || p->getFunc() == NONNULL)
p->field = new DBObjTableField(p->getNewName(), DBTableFieldInt, DBHiddenField, sizeof (DBInt));
else p->field = new DBObjTableField(p->getNewName(), DBTableFieldFloat, DBHiddenField, sizeof(DBFloat));
if(p->getFunc() != NUM && p->getFunc() != NONNULL)
{
// if ((field = inTable->Field(p->getOldName())) == (DBObjTableField *) NULL)
if (field == (DBObjTableField *) NULL)
{
CMmsgPrint (CMmsgUsrError, "Invalid field name: %s",p->getOldName());
return(DBFault);
}
if (!DBTableFieldIsNumeric(field))
{
CMmsgPrint (CMmsgUsrError, "Field is not Numeric: %s",p->getOldName());
return(DBFault);
}
}
outTable->AddField(p->field);
p = p->next;
}
// MAKE SURE TO TEST FOR SPEED BY DECLARING INTS OUTSIDE OF FOR LOOPS!!!
for (int inRecID = 0;inRecID < inTable->ItemNum();++inRecID)
{
inRecord = inTable->Item(inRecID);
if ((outRecord = FindMatch(inRecord, outTable,(const Groups**) groups, numGrpNames)) != (DBObjRecord *) NULL)
{
p = head->next;
while(p)
{
field = fields->Item (p->getOldName());
switch(p->getFunc())