public OrQuery MakeOrQuery(AndQuery andQuery)
{
var q = new OrQuery(_typeDescription.FullTypeName);
q.Elements.Add(andQuery);
return(q);
}
public OrQuery MakeOrQuery(AtomicQuery atomicQuery)
{
var orQuery = new OrQuery(_typeDescription.FullTypeName);
var andQuery = new AndQuery();
andQuery.Elements.Add(atomicQuery);
orQuery.Elements.Add(andQuery);
return(orQuery);
}
/// <summary>
/// Crate o query of the type "where IndexKey oper value"
/// </summary>
/// <param name="keyName"></param>
/// <param name="value"></param>
/// <param name="oper"></param>
/// <returns></returns>
public OrQuery GetMany(string keyName, object value, QueryOperator oper = QueryOperator.Eq)
{
var keyValue = _typeDescription.MakeIndexKeyValue(keyName, value);
var query = new OrQuery(_typeDescription.FullTypeName);
var andQuery = new AndQuery();
query.Elements.Add(andQuery);
andQuery.Elements.Add(new AtomicQuery(keyValue, oper));
return(query);
}
/// <summary>
/// Get one by primary key
/// </summary>
/// <param name="value"></param>
/// <returns></returns>
public OrQuery GetOne(object value)
{
var keyValue = _typeDescription.MakePrimaryKeyValue(value);
var query = new OrQuery(_typeDescription.FullTypeName);
var andQuery = new AndQuery();
query.Elements.Add(andQuery);
andQuery.Elements.Add(new AtomicQuery(keyValue));
return(query);
}
/// <summary>
/// Get one by primary key
/// </summary>
/// <param name="value"></param>
/// <returns></returns>
public OrQuery GetOne(object value)
{
var keyValue = value as KeyValue ?? new KeyValue(value, _collectionSchema.PrimaryKeyField);
var query = new OrQuery(_collectionSchema.CollectionName);
var andQuery = new AndQuery();
query.Elements.Add(andQuery);
andQuery.Elements.Add(new AtomicQuery(_collectionSchema.PrimaryKeyField, keyValue));
return(query);
}
/// <summary>
/// Get many by multiple indexes
/// </summary>
/// <param name="binaryExpressions">a string formatted like "key operator value" </param>
/// <returns></returns>
public OrQuery GetMany(params string[] binaryExpressions)
{
var query = new OrQuery(_typeDescription.FullTypeName);
var andQuery = new AndQuery();
query.Elements.Add(andQuery);
foreach (var expression in binaryExpressions)
{
var q = StringToQuery(expression);
andQuery.Elements.Add(q);
}
QueryHelper.OptimizeQuery(query);
return(query);
}
public bool IsSubsetOf(AndQuery query)
{
return(query.Elements.All(e => Elements.Any(q => q.IsSubsetOf(e))));
}
