“')附近的语法不正确。SQL查询在DBeaver和java映射器文件上运行时出错?
您不能使用IF-inside表达式。如果要检查某些条件并且存在。。。子句,仅当某些其他条件保持不变时,源代码为手动,并且您希望在一个查询中执行此操作,而不是:“')附近的语法不正确。SQL查询在DBeaver和java映射器文件上运行时出错?,java,sql,mybatis,dbeaver,Java,Sql,Mybatis,Dbeaver,您不能使用IF-inside表达式。如果要检查某些条件并且存在。。。子句,仅当某些其他条件保持不变时,源代码为手动,并且您希望在一个查询中执行此操作,而不是: DECLARE @source as NVARCHAR(MAX) = (SELECT md.[source] FROM sports_service.meet.meet_detail md WHERE md.meet_id = #{meetId}) WHERE reg.is_waitlist = 0 AND reg.canc
DECLARE @source as NVARCHAR(MAX) = (SELECT md.[source] FROM sports_service.meet.meet_detail md WHERE md.meet_id = #{meetId})
WHERE reg.is_waitlist = 0 AND reg.cancelled_dt IS NULL
AND NOT EXISTS (
SELECT 1 FROM sports_service.meet.meet_invitations i
WHERE i.meet_id = pmm.meet_id AND i.sports_person_id = reg.sports_person_id)
IF @source != 'MANUAL'
AND EXISTS (
SELECT 1
FROM sports_service.meet.session session
INNER JOIN sports_service.meet.event event ON event.session_id = session.id
WHERE pmm.meet_id = session.meet_id
AND sports_service.dbo.fnGetMeetAge(p.birth_dt, detail.age_up_date, detail.id_format) <![CDATA[>=]]> event.low_age
AND sports_service.dbo.fnGetMeetAge(p.birth_dt, detail.age_up_date, detail.id_format) <![CDATA[<=]]> event.high_age
AND (event.eligible_gender IS NULL OR event.eligible_gender = p.gender))
这是不受支持的,因为它不是正确的sql语法,您可以执行以下操作:
WHERE (...some condition ...) AND (.. some other condition ... )
IF @source != 'MANUAL'
AND EXISTS (
SELECT 1 ... )
您需要检查结果查询的性能是否令人满意
可能最好先执行获取源的查询,然后根据源值执行附加条件或不附加条件的查询。为此,您可以使用包含或排除此附加条件在mybatis中生成查询。由于您不能使用If-inside表达式,您可以这样编写sql:
WHERE (...some condition ...) AND (.. some other condition ... )
AND (
(
(SELECT md.[source]
FROM sports_service.meet.meet_detail md
WHERE md.meet_id = #{meetId}
) = 'MANUAL'
)
OR EXISTS (
SELECT 1
FROM ...
)
)
看起来您的sql中出现了错误,但说真的,这太模糊了,无法检查。为什么您的查询同时包含Ruby和HTML工件?删除in{meetId}ruakh请只关注我的sql条件检查语句,如果@source!='手动“这是否正确?”这是无效的标准SQL开始。您使用的是哪种DBMS产品?
DECLARE @source as NVARCHAR(MAX) = (SELECT md.[source] FROM sports_service.meet.meet_detail md WHERE md.meet_id = #{meetId})
WHERE reg.is_waitlist = 0 AND reg.cancelled_dt IS NULL
AND NOT EXISTS (
SELECT
1
FROM
sports_service.meet.meet_invitations i
WHERE
i.meet_id = pmm.meet_id
AND i.sports_person_id = reg.sports_person_id)
AND ( @source <> 'MANUAL'
AND
EXISTS ( SELECT 1 FROM
sports_service.meet.session session
INNER JOIN sports_service.meet.event event ON
event.session_id = session.id
WHERE
pmm.meet_id = session.meet_id
AND sports_service.dbo.fnGetMeetAge(p.birth_dt,
detail.age_up_date,
detail.id_format) >= event.low_age
AND sports_service.dbo.fnGetMeetAge(p.birth_dt,
detail.age_up_date,
detail.id_format) <= event.high_age
AND (event.eligible_gender IS NULL
OR event.eligible_gender = p.gender)))