row::column_type row::column(const string &name) const
{
if (name.empty()) {
throw no_such_column_exception();
}
for (size_t i = 0; i < size_; i++) {
const char *col_name = PQfname(stmt_.get(), i);
if (name == col_name) {
return column(i);
}
}
throw no_such_column_exception(name);
}
int column::sql_type() const
{
if (!is_valid()) {
throw no_such_column_exception();
}
return PQftype(stmt_.get(), column_);
}
string row::column_name(size_t nPosition) const
{
if (nPosition >= size()) {
throw no_such_column_exception();
}
return PQfname(stmt_.get(), nPosition);
}
row::column_type row::column(size_t nPosition) const
{
if (nPosition >= size() || row_ == -1) {
throw no_such_column_exception();
}
return column_type(make_shared<postgres::column>(stmt_, row_, nPosition));
}
sql_value column::to_value() const
{
if (!is_valid()) {
throw no_such_column_exception();
}
return data_mapper::to_value(stmt_, column_);
}
row::column_type row::column(size_t nPosition) const
{
if (nPosition >= size()) {
throw no_such_column_exception();
}
return column_type(make_shared<sqlite::column>(stmt_, nPosition));
}
sql_value column::to_value() const
{
if (!is_valid()) {
throw no_such_column_exception();
}
return data_mapper::to_value(PQftype(stmt_.get(), column_), PQgetvalue(stmt_.get(), row_, column_),
PQgetlength(stmt_.get(), row_, column_));
}
