int Classifier::validateRecord(TableRow record) // private
{
int required_num_of_attributes = relation_obj.getNumOfAttributes();
if (record.size() != required_num_of_attributes)
return RECORD_SIZE_ERROR;
for (int i = 0; i < required_num_of_attributes; i++)
if (relation_obj[i].type == AttributeType::NUMERIC)
{
try
{
stof(record[i]); // parse number
}
catch (invalid_argument e) {
return ATTRIBUTE_TYPE_MISMATCH_ERROR;
}
}
else if (relation_obj[i].type == AttributeType::DATE)
{
// implement
}
return 0;
}
// get user prompts for table fields and add a new row
// to a table, with an auto-incremented id.
void CreateInTable(TableDefinition Def, char* Table, char* key){
string name, val;
DB.UseTableDefinition(Def);
//cout << "key: " << key;
TableRow Columns = DB.GetColumnsForTable(Table); // get all the columns
TableDataSet NewDataSet;
for(unsigned int i=0; i<Columns.size(); i++){
if(Columns[i] == key){
int maxID = DB.GetMaxField(Table, key);
int newID = maxID+1;
stringstream ID("");
ID << newID;
NewDataSet.push_back(make_pair(key, (char*)ID.str().c_str()));
}
else{
cout << Columns[i] << ": ";
getline(cin, val);
FieldDefinition WorkingFieldDefinition = DB.GetFieldDefinition((char*)Columns[i].c_str());
if((WorkingFieldDefinition.getLength() > 0) && (WorkingFieldDefinition.Validate((char*)val.c_str()))){
NewDataSet.push_back(make_pair(Columns[i],val));
}
else{
cout << "validation failed for the field " << WorkingFieldDefinition.getName();
return;
}
}
}
DB.Create(Table, NewDataSet);
DB.ShowTable(Table, NewDataSet);
return;
}
void Table::append_record(const TableRow& new_record) {
if ( new_record.size() != m_headers.size() ) {
throw TableMismatchedRecordLength(std::to_string(new_record.size()));
}
m_records.push_back(new_record);
}
Table::Table(const TableRow& headers) :
m_headers(headers), m_records(), m_quoted(headers.size()) {
for ( size_t i = 0; i < m_quoted.size(); ++i ) {
m_quoted[0] = true;
}
}