Android SQL语法错误:接近“”;?
当我尝试运行此查询时:Android SQL语法错误:接近“”;?,android,sql,sqlite,android-sqlite,Android,Sql,Sqlite,Android Sqlite,当我尝试运行此查询时: UPDATE Line_Master SET Line_Master.line_count = t2.task_count FROM (SELECT COUNT (am.line_id) AS task_count, lm.lineId FROM Assets_Master am,Line_Master lm,Section_Master sm,Task_Point_Master tpm,Task_Master TM WHERE (lm.line_id =
UPDATE Line_Master
SET Line_Master.line_count = t2.task_count FROM (SELECT COUNT (am.line_id) AS task_count, lm.lineId
FROM Assets_Master am,Line_Master lm,Section_Master sm,Task_Point_Master tpm,Task_Master TM
WHERE (lm.line_id = am.line_id)
AND (am.asset_id = sm.asset_id)
AND (sm.section_id = tpm.section_id)
AND (tm.task_point_id = tpm.task_point_id)
GROUP BY lm.line_id) t2
WHERE Line_Master.line_id = t2.lineId
我得到这个错误:
内部错误
语法错误:near.“:”语法错误我不知道您想做什么,但这样语法是正确的。但我不知道它是否显示了您想要的结果,以及sqlite是否支持这一点
UPDATE Line_Master
SET Line_Master.line_count = (SELECT t2.task_count FROM (SELECT COUNT (am.line_id) AS task_count, lm.lineId
FROM Assets_Master am,Line_Master lm,Section_Master sm,Task_Point_Master tpm,Task_Master TM
WHERE (lm.line_id = am.line_id)
AND (am.asset_id = sm.asset_id)
AND (sm.section_id = tpm.section_id)
AND (tm.task_point_id = tpm.task_point_id)
GROUP BY lm.line_id) t2
WHERE Line_Master.line_id = t2.lineId)
我不知道你想做什么,但这样语法是正确的。但我不知道它是否显示了您想要的结果,以及sqlite是否支持这一点
UPDATE Line_Master
SET Line_Master.line_count = (SELECT t2.task_count FROM (SELECT COUNT (am.line_id) AS task_count, lm.lineId
FROM Assets_Master am,Line_Master lm,Section_Master sm,Task_Point_Master tpm,Task_Master TM
WHERE (lm.line_id = am.line_id)
AND (am.asset_id = sm.asset_id)
AND (sm.section_id = tpm.section_id)
AND (tm.task_point_id = tpm.task_point_id)
GROUP BY lm.line_id) t2
WHERE Line_Master.line_id = t2.lineId)
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