public static ITable[] Execute(this IRequest request, SqlQuery query)
{
if (query == null)
throw new ArgumentNullException("query");
var sqlSouce = query.Text;
// TODO: find it from the cache...
var statements = SqlStatement.Parse(sqlSouce);
// TODO: set it in cache ...
var preparer = new QueryPreparer(query);
bool statementSeen = false;
var results = new List<ITable>();
foreach (var statement in statements) {
// TODO: query.RegisterQuery(statement);
// TODO: Invoke diagnostics for the preparation...
var prepared = statement.Prepare(preparer, request);
ITable result;
try {
var exeContext = new ExecutionContext(request);
prepared.Execute(exeContext);
if (exeContext.HasResult) {
result = exeContext.Result;
} else {
result = FunctionTable.ResultTable(request, 0);
}
} catch (StatementException ex) {
request.OnError(ex);
throw;
} catch (Exception ex) {
var sex = new StatementException("An unhanded error occurred while executing the statement.", ex);
request.OnError(sex);
throw sex;
} finally {
statementSeen = true;
}
results.Add(result);
}
if (!statementSeen)
throw new SqlParseException("The input query was not parsed in any statements that could be executed.");
return results.ToArray();
}
public static ITable[] Execute(this IRequest request, SqlQuery query)
{
if (query == null)
{
throw new ArgumentNullException("query");
}
var sqlSouce = query.Text;
// TODO: find it from the cache...
var statements = SqlStatement.Parse(sqlSouce);
// TODO: set it in cache ...
var preparer = new QueryPreparer(query);
bool statementSeen = false;
var results = new List <ITable>();
foreach (var statement in statements)
{
// TODO: query.RegisterQuery(statement);
// TODO: Invoke diagnostics for the preparation...
var prepared = statement.Prepare(preparer, request);
ITable result;
try {
var exeContext = new ExecutionContext(request);
prepared.Execute(exeContext);
if (exeContext.HasResult)
{
result = exeContext.Result;
}
else
{
result = FunctionTable.ResultTable(request, 0);
}
} catch (StatementException ex) {
request.OnError(ex);
throw;
} catch (Exception ex) {
var sex = new StatementException("An unhanded error occurred while executing the statement.", ex);
request.OnError(sex);
throw sex;
} finally {
statementSeen = true;
}
results.Add(result);
}
if (!statementSeen)
{
throw new SqlParseException("The input query was not parsed in any statements that could be executed.");
}
return(results.ToArray());
}
