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iwant獲得時間火鳥類似GETTIME於JavaScript 我已創建了一個,但它不是那麼準確的時間差增量日常我想UNIX時間上的火鳥
CREATE PROCEDURE GETTIMEINMILLISECONDS
RETURNS (
MILL VARCHAR(50)
)
AS
DECLARE VARIABLE VAR_PARAM INTEGER;
BEGIN
select
(((extract(year from current_timestamp)
-extract(year from cast('01/01/1970 00:00:00' as timestamp))) * 31536000000) +
(extract(month from current_timestamp) * 2592000000) +
(extract(day from current_timestamp) * 8640000) +
(extract(Hour from current_timestamp) * 3600000) +
(extract(minute from current_timestamp) * 60000) +
(extract(second from current_timestamp) * 1000))-192960000
from rdb$database into :Mill;
suspend;
END
;
改變我的當前時區有很大的幫助,這個代碼是從rdb $數據庫中選擇DATEDIFF(第二個,時間戳'1/1/1970 08:00:00',current_timestamp)* 1000 到Mill: –
Unix時間是自1970-01-01以來的秒數,所以不需要乘以千(如果你需要以毫秒爲單位['DATEDIFF'](http://www.firebirdsql.org/file/documentation/) reference_manuals/reference_material/html/langrefupd25-intfunc-datediff.html)也支持'MILLISECOND'。 –