public string Should_parse(string query)
{
var input = new AntlrInputStream(query);
var lexer = new QlLexer(input);
var commonTokenStream = new CommonTokenStream(lexer);
var parser = new QlParser(commonTokenStream);
parser.AddErrorListener(new QlErrorListener());
parser.BuildParseTree = true;
IParseTree tree = parser.parse();
var lis = new QlVisitor();
return(lis.Visit(tree).ToString());
}
public IRecordSet Execute(string query, QlParameter[] parameters)
{
var input = new AntlrInputStream(query);
var lexer = new QlLexer(input);
var commonTokenStream = new CommonTokenStream(lexer);
var parser = new QlParser(commonTokenStream);
parser.AddErrorListener(new QlErrorListener());
parser.BuildParseTree = true;
IParseTree tree = parser.parse();
var lis = new QlVisitor();
var expr = lis.Visit(tree);
var evalVis = new ExpressionEvaluatorVisitor(_journal, _tx, parameters);
var res = evalVis.Visit(expr);
IRecordSet records = new RecordSet(res.Build().Rowids, _tx, _journal.Metadata);
if (res.Columns != null)
{
records = records.Map(res.Columns);
}
return(records);
}