void Cask::CdapOdbc::ColumnsDataReader::getColumnValue(const ColumnBinding& binding) {
auto& record = this->queryResult.getRows().at(this->currentRowIndex);
std::wstring name;
std::wstring typeName;
SQLSMALLINT radix = 0;
switch (binding.getColumnNumber()) {
case 1: // TABLE_CAT
case 2: // TABLE_SCHEM
case 9: // DECIMAL_DIGITS
case 12: // REMARKS
case 13: // COLUMN_DEF
case 15: // SQL_DATETIME_SUB
case 16: // CHAR_OCTET_LENGTH
this->fetchNull(binding);
break;
case 3: // TABLE_NAME
this->fetchVarchar(this->tableName.c_str(), binding);
break;
case 4: // COLUMN_NAME
name = record.at(L"name").as_string();
this->fetchVarchar(name.c_str(), binding);
break;
case 5: // DATA_TYPE
case 14: // SQL_DATA_TYPE
this->fetchSmallint(getDataType(record.at(L"type")), binding);
break;
case 6: // TYPE_NAME
typeName = getTypeName(record.at(L"type"));
this->fetchVarchar(typeName.c_str(), binding);
break;
case 7: // COLUMN_SIZE
this->fetchInt(getColumnSize(record.at(L"type")), binding);
break;
case 8: // BUFFER_LENGTH
this->fetchInt(getBufferLength(record.at(L"type")), binding);
break;
case 10: // NUM_PREC_RADIX
radix = getRadix(record.at(L"type"));
if (radix > 0) {
this->fetchSmallint(radix, binding);
} else {
this->fetchNull(binding);
}
break;
case 11: // NULLABLE
this->fetchSmallint(getIsNull(record.at(L"type")), binding);
break;
case 17: // ORDINAL_POSITION
this->fetchInt(this->currentRowIndex + 1, binding);
break;
case 18: // IS_NULLABLE
this->fetchVarchar((getIsNull(record.at(L"type")) == SQL_NO_NULLS) ? L"NO" : L"YES", binding);
break;
}
}
void PugiElement::setName( const std::string& name )
{
if( getIsNull() )
{
return;
}
myNode.set_name( name.c_str() );
}
std::string PugiElement::getValue() const
{
if( getIsNull() )
{
return std::string{};
}
return std::string{ myNode.text().as_string() };
}
std::string PugiElement::getName() const
{
if( getIsNull() )
{
return "";
}
return std::string{ myNode.name() };
}
XElementType PugiElement::getType() const
{
if( getIsNull() )
{
return XElementType::null;
}
if( std::string{ myNode.text().as_string() }.length() > 0 )
{
return XElementType::text;
}
if( elementsBegin() == elementsEnd() )
{
return XElementType::empty;
}
return XElementType::element;
}
void PugiElement::setValue( const std::string& value )
{
if( getIsNull() )
{
return;
}
XElementType xetype = getType();
if( xetype == XElementType::element )
{
MX_THROW( "the object cannot hold both elements and text" );
}
else if( xetype == XElementType::empty )
{
auto newnode = myNode.prepend_child( pugi::node_pcdata );
newnode.set_value( value.c_str() );
}
else if( xetype == XElementType::text )
{
auto it = myNode.begin();
it->set_value( value.c_str() );
}
}
