/// <summary>
/// Initializes a new instance of the <see cref="Query"/> class.
/// </summary>
/// <param name="log">The log to query</param>
/// <param name="settings">The application settings</param>
/// <param name="query">The query string to execute</param>
internal Query(Log log, Node tree)
{
_log = log;
_tree = tree;
// define result columns for the query
var visitor = new FieldsVisitor();
_tree.Accept(visitor);
_columns = visitor.Fields;
if (visitor.GeneratesDynamicFields)
{
_dynamicColumns = new Dictionary <string, Type>();
}
// print the query tree for debugging
var format = new FormatVisitor();
_tree.Accept(format);
_logger.Info($"Created query tree\r\n" + format.ToString().TrimEnd());
}
public TermVisitor()
{
_fieldsVisitor = new FieldsVisitor(this);
_casesVisitor = new CasesVisitor(this);
}
