*/
public String getStringField(int field, SqlJetEncoding enc) throws SqlJetException {
final ISqlJetVdbeMem f = fields.get(field);
if (null == f)
return null;
final ISqlJetMemoryPointer v = f.valueText(enc);
if (null == v)
return null;
return SqlJetUtility.toString(v, enc);
}