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    java项目,sql查询的时候,如下代码为什么提示“缺少右括号"?
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    <select id="select_label" resultMap="XykLabelRecords" 
        parameterClass="java.util.HashMap">
        <![CDATA[select * from (select * from xyk_label_records  where customer_number=#customer_number#  and is_stick =1]]>
        union all
        select * from xyk_label_records  where customer_number=#customer_number#  and is_stick =0
        <dynamic prepend=" and ">
            <isNotEmpty prepend=" and  " property="small">
                <![CDATA[create_time > #small#]]>
            </isNotEmpty>
            <isNotEmpty prepend=" and  " property="large">
                <![CDATA[create_time < #large#]]>
            </isNotEmpty>
        </dynamic>
        )  a order by   a.is_stick desc,a.create_time desc 
    </select>
    
    <select id="select_label_count" resultClass="java.lang.String"
        parameterClass="java.util.HashMap">
        
    <![CDATA[select  count(*) as count     from(select * from (select * from xyk_label_records  where customer_number=#customer_number#  and is_stick =1]]>
        union all
        select * from xyk_label_records  where customer_number=#customer_number#  and is_stick =0
        <dynamic prepend=" and ">
            <isNotEmpty prepend=" and  " property="small">
                <![CDATA[create_time > #small#]]>
            </isNotEmpty>
            <isNotEmpty prepend=" and  " property="large">
                <![CDATA[create_time < #large#]]>
            </isNotEmpty>
        </dynamic>
        )  a order by   a.is_stick desc,a.create_time desc 
    </select>
    
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    • 拙劣逃避 普通会员 1楼

      在Java中,当你尝试执行SQL查询时,如果查询中有缺失的右括号,Java解释器可能会抛出一个java.sql.SQLException。这种错误通常是由于你在查询中忘记括号或者括号不正确导致的。

      例如,如果你的SQL查询是:

      sql SELECT * FROM Employees WHERE Department = 'HR';

      而你忘记了在WHERE子句的右括号,那么SELECT * FROM Employees WHERE Department = 'HR'就会抛出java.sql.SQLException: Missing right parenthesis错误。

      解决这个问题的方法是确保你在查询中正确地使用了所有的括号,特别是右括号。例如,你应该确保你的查询像这样:

      sql SELECT * FROM Employees WHERE Department = 'HR';

      如果你在尝试执行查询时遇到任何错误,你应该查看错误信息以确定问题的所在。

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