getAllDBs();
getDFSDatabases();
getScheduledJobs();
loadTableBySQL(tableName='pt',dbPath="dfs://tsdb",sql="select * limit 10;");
loadTable("dfs://tsdb","pt")
loadTable("dfs://hft_stock_ts","KLinePartitioned")
listTables("dfs:/hft_futuremarket_ts");

pt=loadTable("dfs://hft_futuremarket_ts","MinKlinePartitioned")
select top 40 * from pt

select count(*) from loadTable("dfs://hft_futuremarket_ts", "MinKlinePartitioned")
schema(pt)

n=1000000
ID=rand(100, n)
dates=2017.08.07..2017.08.11
date=rand(dates, n)
x=rand(10.0, n)
t=table(ID, date, x)

dbDate = database(, VALUE, 2017.08.07..2017.08.11)
dbID=database(, RANGE, 0 50 100)
db = database("dfs://compoDB", COMPO, [dbDate, dbID])
pt = db.createPartitionedTable(t, `pt, `date`ID)
pt.append!(t)

pt=loadTable(db,`pt)
select count(x) from pt