public object Run(string script, TSQLEngine engine, CancellationToken cancellationToken)
{
try
{
this.lexer = new Lexer(script, true);
this.parser = new Parser.Parser(lexer);
this.queryTree = parser.ComposeAll();
var prepareQuery = new PrepareQueryVisitor(engine, cancellationToken);
this.prepareQueryTraverser = new PrepareQueryTraverseVisitor(prepareQuery, cancellationToken);
queryTree.Accept(prepareQueryTraverser);
queryTree = prepareQuery.Root;
this.requestData = new RequestDataVisitor(engine, cancellationToken);
this.requestDataTraverser = new RequestDataTraverseVisitor(requestData, cancellationToken);
queryTree.Accept(requestDataTraverser);
queryTree = requestData.Root;
this.runQuery = new RunQueryVisitor(engine, cancellationToken);
this.csharpRewriteTraverser = new RunQueryTraverseVisitor(runQuery, cancellationToken);
queryTree.Accept(csharpRewriteTraverser);
return(runQuery.Result);
} catch (AggregateException ex)
{
throw ex.InnerException;
}
}
public override void Build(BuildItems items)
{
var queryTree = items.RawQueryTree;
var prepareQuery = new PrepareQueryVisitor(items.Engine);
var prepareQueryTraverser = new PrepareQueryTraverseVisitor(prepareQuery);
queryTree.Accept(prepareQueryTraverser);
queryTree = prepareQuery.Root;
var csharpRewriter = new RunQueryVisitor(items.Engine);
var csharpRewriteTraverser = new RunTraverseVisitor(csharpRewriter);
queryTree.Accept(csharpRewriteTraverser);
items.Result = csharpRewriter.Result;
Successor?.Build(items);
}