Auto populate table with SQL date range
My problem is the auto-complete of the table. I have a table with 1000 records, but for testing purposes I need to insert more data.
ID | Personal ID | Date | Time | Amount | TypeID | PlaceID | StatusID
So I need to populate the database with 10,000 records, where the date is between 1/3/2015 and 1/5/2015, Time is Random, SUM Between 100 and 1000, TypeID between 1 and 2, PlaceID between 1-10, StatusID between 1-3
I would appreciate any help or suggestion.
Thanks in advance.
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This requires a small t-sql:
--CREATE TABLE TEST (CID INT, PERSONID INT, TEST_DATE DATE, TEST_TIME TIME, TEST_SUM INT, TYPEID INT, PLACEID INT, STATUSID INT);
--TRUNCATE TABLE TEST;
SET NOCOUNT ON;
DECLARE @X INT, @PERSONID INT, @DATE DATE, @TIME TIME, @SUM INT, @TYPEID INT, @PLACEID INT, @STATUSID INT,@R INT;
SELECT @X=0;
WHILE @X < 10000 BEGIN
SELECT @X=@X +1;
SELECT @DATE = DATEADD(DAY, @X / 4000, '2015-1-3');
SELECT @R=CONVERT(INT, RAND() * 3600 * 24);
SELECT @TIME = DATEADD(SECOND, @R , '00:00:01');
SELECT @SUM = 100 + @R % 900;
SELECT @TYPEID = @R % 2 + 1 ;
SELECT @PLACEID = @R % 10 +1 ;
SELECT @STATUSID = @R % 3 +1 ;
SELECT @PERSONID = @R % 500 +1 ;
INSERT INTO TEST (CID, PERSONID, TEST_DATE, TEST_TIME, TEST_SUM, TYPEID, PLACEID, STATUSID)
VALUES(@X, @PERSONID, @DATE, @TIME, @SUM, @TYPEID, @PLACEID, @STATUSID);
END;
SET NOCOUNT OFF;
Also, do not try to use column names such as "ID", "Date", "Time", etc., which have special meanings in SQL Server.
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Here's some brutal solution, but completely randomized:
with rows as(select row_number() over(order by(select null)) as dummy from
(values(1),(1),(1),(1),(1),(1),(1),(1),(1),(1))t1(n)
cross join (values(1),(1),(1),(1),(1),(1),(1),(1),(1),(1))t2(n)
cross join (values(1),(1),(1),(1),(1),(1),(1),(1),(1),(1))t3(n)
cross join (values(1),(1),(1),(1),(1),(1),(1),(1),(1),(1))t4(n))
select *,
cast(dateadd(ms, cast(cast(newid() as varbinary(30)) as int), getdate()) as time) as time
from rows r
cross apply(select top 1 p as place
from (values(1),(2),(3),(4),(5),(6),(7),(8),(9),(10))p(p)
where r.dummy = r.dummy order by newid()) cap
cross apply(select top 1 s as status
from (values(1),(2),(3))s(s)
where r.dummy = r.dummy order by newid()) cas
cross apply(select top 1 t as time
from (values(1),(2))t(t)
where r.dummy = r.dummy order by newid()) cat
cross apply(select top 1 sum from(select 100 + row_number() over(order by(select null)) as sum
from (values(1),(1),(1),(1),(1),(1),(1),(1),(1))t1(n)
cross join (values(1),(1),(1),(1),(1),(1),(1),(1),(1),(1))t2(n)
cross join (values(1),(1),(1),(1),(1),(1),(1),(1),(1),(1))t3(n)) t
where r.dummy = r.dummy order by newid()) casu
cross apply(select top 1 dateadd(dd, s -1, '20150103') as date
from (values(1),(2),(3))s(s)
where r.dummy = r.dummy order by newid()) cad
Fiddle http://sqlfiddle.com/#!6/9eecb7db59d16c80417c72d1/892
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One is to use pseudo-random values obtained from NEWID. You haven't specified how to assign the ID and PersonID, but the ROW_NUMBER value returned by the CTE can be used to do this if you need incremental values.
WITH
t4 AS (SELECT n FROM (VALUES(0),(0),(0),(0)) t(n))
,t256 AS (SELECT 0 AS n FROM t4 AS a CROSS JOIN t4 AS b CROSS JOIN t4 AS c CROSS JOIN t4 AS d)
,t16M AS (SELECT ROW_NUMBER() OVER (ORDER BY (a.n)) AS num FROM t256 AS a CROSS JOIN t256 AS b CROSS JOIN t256 AS c)
SELECT
DATEADD(day, CAST(CAST(NEWID() AS varbinary(1)) AS int) % 3, '20150103') AS Date
,DATEADD(millisecond, CAST(CAST(NEWID() AS varbinary(4)) AS int), CAST('' AS time)) AS Time
,(CAST(CAST(NEWID() AS varbinary(3)) AS int) % 900) + 100 AS [Sum]
,(CAST(CAST(NEWID() AS varbinary(3)) AS int) % 2) + 1 AS TypeID
,(CAST(CAST(NEWID() AS varbinary(3)) AS int) % 10) + 1 AS PlaceID
,(CAST(CAST(NEWID() AS varbinary(3)) AS int) % 3) + 1 AS StatisID
FROM t16M
WHERE num <= 10000;
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