public async Task <IList <TResult> > ToListByFilterAsync <TResult>(Func <IRow, TResult> selector,
string fields, Func <IRow, bool> filter, int skip = 0, int take = 0)
{
builder.Insert(0, fields);
builder.Insert(0, "SELECT ");
if (Limit > 0)
{
builder.Append($" LIMIT {Limit}");
}
if (AllowFiltering)
{
builder.Append(" ALLOW FILTERING");
}
var cql = StringBuilderCache.GetStringAndRelease(builder);
builder = null;
var db = CqlStore.Get(model.CqlStoreOptions.StoreModelId);
var rs = await db.ExecuteAsync(cql);
var list = new List <TResult>();
int hasSkip = 0;
int hasTake = 0;
foreach (var row in rs)
{
if (filter(row))
{
if (hasSkip < skip)
{
hasSkip++;
}
else
{
list.Add(row.Fetch(selector));
if (take > 0)
{
hasTake++;
if (hasTake == take)
{
return(list);
}
}
}
}
}
return(list);
}
public async Task <IList <TResult> > ToListAsync <TResult>(Func <IRow, TResult> selector, string fields)
{
builder.Insert(0, fields);
builder.Insert(0, "SELECT ");
if (Limit > 0)
{
builder.Append($" LIMIT {Limit}");
}
if (AllowFiltering)
{
builder.Append(" ALLOW FILTERING");
}
var cql = StringBuilderCache.GetStringAndRelease(builder);
builder = null;
var db = CqlStore.Get(model.CqlStoreOptions.StoreModelId);
var rs = await db.ExecuteAsync(cql);
return(rs.ToList(selector));
}
public async Task <IList <Entity> > ToListAsync()
{
builder.Insert(0, "SELECT *");
if (Limit > 0)
{
builder.Append($" LIMIT {Limit}");
}
if (AllowFiltering)
{
builder.Append(" ALLOW FILTERING");
}
var cql = StringBuilderCache.GetStringAndRelease(builder);
builder = null;
var db = CqlStore.Get(model.CqlStoreOptions.StoreModelId);
Log.Debug(cql);
var rs = await db.ExecuteAsync(cql);
return(rs.ToEntityList(model));
}
public CqlBatch(CqlStore store)
{
this.store = store;
Commands = new List <CqlCommand>();
}
