-- please run datagen.get_stock_data() to generate data/stock.csv first

-- create table ticks(ID varchar(10), timestamp int, tradeDate date, price int);

-- LOAD DATA INFILE "data/stock.csv"
-- INTO TABLE ticks
-- FIELDS TERMINATED BY ","

-- SELECT max(price-mins(price))
-- FROM   ticks    ASSUMING ASC timestamp
-- WHERE  ID="S"
--     AND  tradeDate='2003-01-10'

-- create table base(ID varchar(10), name varchar(10));

-- LOAD DATA INFILE "data/base.csv"
-- INTO TABLE base
-- FIELDS TERMINATED BY ","

-- SELECT last(price)
-- FROM    ticks t, base b
--     ASSUMING ASC name, ASC timestamp
-- WHERE   t.ID=b.ID
--         AND name="x"

create table TradedStocks(ID varchar(15), SeqNo int, TradeDate date, TimeStamp time, Type varchar(5));
create table HistoricQuotes(ID varchar(15), TradeDate date, HighPrice real, LowPrice real, ClosePrice real, OpenPrice real, volume bigint);

LOAD DATA INFILE "data/tick-price-file.csv"
INTO TABLE TradedStocks
FIELDS TERMINATED BY "|"
LOAD DATA INFILE "data/hist-price-file.csv"
INTO TABLE HistoricQuotes
FIELDS TERMINATED BY "|"


SELECT ts.ID, avgs(10, hq.ClosePrice)
FROM   TradedStocks AS ts NATURAL JOIN
       HistoricQuotes AS hq
              ASSUMING ASC hq.TradeDate
GROUP BY ts.ID