public JsonQueryResult ExecuteQuery(JsonQueryRequest request)
{
// From
var queryable = _GetQueryableByName(request.From.Name);
// Where
if (request.Where != null && request.Where.Any())
{
queryable = _BuildWhereQueryable(queryable, request.Where);
}
// OrderBy
if (request.OrderBy != null && request.OrderBy.Any())
{
queryable = _BuildOrderByQueryable(queryable, request.OrderBy);
}
// Limit
if (request.Limit != null)
{
queryable = _BuildLimitQueryable(queryable, request.Limit);
}
// Select
var resultsQueryable = _BuildSelectQueryable(queryable, request.Select) as IQueryable <object[]>;
var results = resultsQueryable.ToList();
// Return
var result = _BuildResult(request, results);
return(result);
}
private JsonQueryResult _BuildResult(JsonQueryRequest request, List <object[]> data)
{
var result = new JsonQueryResult()
{
Columns = request.Select
.Select(t => new JsonQueryResultColumn()
{
Name = t.Name ?? t.Selector
})
.ToList(),
Rows = data
.Select(t => new JsonQueryResultRow()
{
Data = t
})
.ToList()
};
return(result);
}
