(define create_tbl_sql "create table prices (datetime integer, symbol varchar(8), prev_close float, open float, price float, change float, change_prct varchar(16))")
(define insert_sql "insert into prices (datetime, symbol, prev_close, open, price, change, change_prct) values (1626979443, 'MPC', 54.08, 53.82, 53.63, -0.832101, '-0.83 %')")
(define select_sql "select to_string(datetime, '%d.%m.%Y %H:%M:%S'), symbol, prev_close, open, price, change, change_prct from prices")


(print (usql create_tbl_sql))
(print (usql insert_sql))
(print (usql select_sql))

(print (usql "select to_string(datetime, '%d.%m.%Y %H:%M:%S'), symbol, prev_close, open, price, change, change_prct values from prices"))



;; (print (usql "create table data (ticker varchar(8), price float null)"))
;; (usql "load data from '/Users/vaclavt/Library/Mobile Documents/com~apple~CloudDocs/Development/usql/data.csv')")
;; (print (usql "select ticker, price from data"))

;; (read-url "https://api.nasdaq.com/api/calendar/dividends/")


;; (define fc 5)
;; (define sc 5)

;; (define first_tid (thread-create (while (> fc 0) (do (thread-under-lock "ilock" (do (set! fc (dec fc))(print 1))) (thread-sleep 500)))))
;; (define second_tid (thread-create (while (> sc 0) (do (thread-under-lock "ilock" (do (set! sc (dec sc))(print 2))) (thread-sleep 750)))))

;; (print "first thread id:" first_tid)
;; (print "second thread id:" second_tid)
;; (threads-join)
;; (print "ok")

;; (try 
;;     (ls-dir "nonexisting/dir")
;;     (print "dir not exists"))

;; (try 
;;     (throw "my-exception")
;;     (print "exception caught:" ml-exception))

;; (/ 1 0)