bug fix on select into

2022-09-21 17:23:50 +08:00
parent 48beab441d
commit 34a9fe105c
12 changed files with 305 additions and 111 deletions
@@ -1,27 +1,27 @@
 -- please run datagen.get_stock_data() to generate data/stock.csv first

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

-- LOAD DATA INFILE "data/stock.csv"
-- INTO TABLE ticks
-- FIELDS TERMINATED BY ","
+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'
+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));
+create table base(ID varchar(10), name varchar(10));

-- LOAD DATA INFILE "data/base.csv"
-- INTO TABLE base
-- FIELDS TERMINATED BY ","
+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"
+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);
@@ -33,9 +33,15 @@ LOAD DATA INFILE "data/hist-price-file.csv"
 INTO TABLE HistoricQuotes
 FIELDS TERMINATED BY "|"

+select distinct ID, TradeDate 
+into td 
+from TradedStocks 
+-- -- Monetdb wont recognize right table when 
+-- -- doing a natural join

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