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getAllDBs();
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getDFSDatabases();
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getScheduledJobs();
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loadTableBySQL(tableName='pt',dbPath="dfs://tsdb",sql="select * limit 10;");
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loadTable("dfs://tsdb","pt")
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loadTable("dfs://hft_stock_ts","KLinePartitioned")
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listTables("dfs:/hft_futuremarket_ts");
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pt=loadTable("dfs://hft_futuremarket_ts","MinKlinePartitioned")
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pt=loadTable("dfs://hft_futuremarket_ts","TickPartitioned")
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select top 40 * from pt where code=`T2212 and m_nDatetime.date() =2022.09.28d
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select top 4 * from pt where code_init=`T and m_nDatetime.date()=2022.09.28d
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select distinct m_nDatetime.date() from pt where m_nDatetime.date()=2022.11.01d and (code=`AP2211 or code=`AP2212)
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select distinct code from pt
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select distinct code from pt where m_nDatetime.date()=2022.11.01d and code in (`LR2211)
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select count(*) from loadTable("dfs://hft_futuremarket_ts", "MinKlinePartitioned")
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select count(*) from loadTable("dfs://hft_futuremarket_ts", "TickPartitioned")
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select top 40 * from pt
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schema(pt)
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n=1000000
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ID=rand(100, n)
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dates=2017.08.07..2017.08.11
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date=rand(dates, n)
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x=rand(10.0, n)
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t=table(ID, date, x)
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dbDate = database(, VALUE, 2017.08.07..2017.08.11)
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dbID=database(, RANGE, 0 50 100)
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db = database("dfs://compoDB", COMPO, [dbDate, dbID])
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pt = db.createPartitionedTable(t, `pt, `date`ID)
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pt.append!(t)
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pt=loadTable(db,`pt)
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select count(x) from pt
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