public QueryParts Parse(string query)
{
var hash = _hashProvider.Create(query).ToString("X");
if (_parsedQueries.ContainsKey(hash))
{
return(_parsedQueries[hash]);
}
var cleanQuery = CleanAndFormatQueryText(query);
var commentResult = _queryParser.StripComments(cleanQuery);
cleanQuery = commentResult.commentFreeQuery;
var typeAndBody = _queryParser.ParseQueryBody(cleanQuery);
var qp = new QueryParts
{
VariableName = _queryParser.ParseVariables(cleanQuery),
QueryBody = typeAndBody.queryBody.Trim(),
QueryType = typeAndBody.queryType.Trim(),
QueryFrom = _queryParser.ParseFromBody(cleanQuery).Trim(),
QueryWhere = _queryParser.ParseWhere(cleanQuery).Trim(),
RollbackName = _queryParser.ParseRollback(cleanQuery).Trim(),
TransactionId = _queryParser.ParseTransaction(cleanQuery).Trim(),
QueryOrderBy = _queryParser.ParseOrderBy(cleanQuery).Trim(),
QueryJoin = _queryParser.ParseJoins(cleanQuery).Trim(),
Comments = commentResult.comments,
OrginalQuery = query,
CollectionName = _queryParser.GetCollectionName(cleanQuery)
};
switch (typeAndBody.queryType.Trim())
{
case Constants.QueryParsingKeywords.SELECT:
qp.QueryOffset = _queryParser.ParseOffsetLimit(cleanQuery).Trim();
qp.QueryGroupBy = _queryParser.ParseGroupBy(cleanQuery).Trim();
break;
case Constants.QueryParsingKeywords.UPDATE:
var updateTypeAndBody = _queryParser.ParseUpdateBody(cleanQuery);
qp.QueryUpdateBody = updateTypeAndBody.updateBody.Trim();
qp.QueryUpdateType = updateTypeAndBody.updateType.Trim();
qp.QueryOrderBy = string.Empty;
qp.QueryJoin = string.Empty;
break;
case Constants.QueryParsingKeywords.INSERT:
qp.QueryInto = _queryParser.ParseIntoBody(cleanQuery).Trim();
qp.QueryFrom = string.Empty;
qp.QueryOrderBy = string.Empty;
qp.QueryJoin = string.Empty;
break;
}
_parsedQueries.Add(hash, qp);
return(qp);
}
