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oracle 链接查询, 生成 连续日期,
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WITH T1 as(
select to_char( to_date('2011-04-01','yyyy-mm-dd') + rownum-1,'yyyy-mm-dd' ) as year
from dual
connect by to_date('2011-04-01','yyyy-mm-dd') + rownum-1 <=to_date('2011-04-05','yyyy-mm-dd')
),T2 as(
select YEAR,CHECKCOUNT FROM NORMAL
),T3 as (
select YEAR,CHECKCOUNT FROM FAIL
)
select T1.YEAR,T2.CHECKCOUNT from T1 LEFT JOIN T2 on( T1.YEAR=T2.YEAR );
select T1.YEAR,"NVL"(T2.CHECKCOUNT,0) from T1 LEFT JOIN T2 on( T1.YEAR=T2.YEAR );
//////////第二部
WITH T1 as(
select to_char( to_date('2011-04-01',0),"NVL"(T3.CHECKCOUNT,0) from T1 LEFT JOIN T2 on( T1.YEAR=T2.YEAR ) LEFT JOIN T3 on( T1.YEAR=T3.YEAR ) ORDER BY YEAR;
mybatis 在oracle 数据库生成 连续的日期
WITH datesel AS (
SELECT
TO_CHAR (
TO_DATE (#{beginQuerytime},'yyyy-mm-dd') + (ROWNUM - 1),'yyyy-mm-dd'
) AS yearMonthDay
FROM
dual CONNECT BY ROWNUM <= (
TO_DATE (#{endQuerytime},'yyyy-mm-dd') - TO_DATE (#{beginQuerytime},'yyyy-mm-dd')
) + 1
),tempName AS (
SELECT
TO_CHAR (CHECKTIME,'yyyy-mm-dd') AS KEY,COUNT (IDENTITYCODE)
VALUE
FROM
DIC_CHECKINFO
WHERE
CHECKTIME >= TO_DATE (#{beginQuerytime} || ' 00:00:00','yyyy-mm-dd HH24:mi:ss')
AND CHECKTIME <= TO_DATE (#{endQuerytime} || ' 23:59:59','yyyy-mm-dd HH24:mi:ss')
GROUP BY
TO_CHAR (CHECKTIME,tempCHECKFAIL AS (
SELECT
TO_CHAR (QUERYTIME,COUNT (IDENTITYCODE)
VALUE
FROM
DIC_CHECKFAIL
WHERE
QUERYTIME >= TO_DATE (#{beginQuerytime} || ' 00:00:00','yyyy-mm-dd HH24:mi:ss')
AND QUERYTIME <= TO_DATE (#{endQuerytime} || ' 23:59:59','yyyy-mm-dd HH24:mi:ss')
GROUP BY
TO_CHAR (QUERYTIME,'yyyy-mm-dd')
) SELECT
D.yearMonthDay year_Month_Day,NVL (T . VALUE,0) check_Count,NVL (c. VALUE,0) fail_Count
FROM
datesel D
LEFT JOIN tempName T ON (D .yearMonthDay = T . KEY)
LEFT JOIN tempCHECKFAIL c ON (D .yearMonthDay = c. KEY)
ORDER BY
yearMonthDay DESC