A1.select@i 查询不到数据集算器代码报错 null

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A7 是打开文件
A8 读取文件所有数据,这个文件只有一条数据,索引是 _id
A9 按照某个字段成功返回一条数据,A9 不报错
A10 是按照某个字段查询,没有符合条件数据,集算器代码报错 null。

代码报错信息如下:
[2023-05-10 14:16:18]
SEVERE: com.scudata.common.RQException: 单元格 A10 中有错误
null
com.scudata.common.RQException: 单元格 A10 中有错误
null
at com.scudata.cellset.datamodel.PgmCellSet.$1(Unknown Source:2037)
at com.scudata.cellset.datamodel.PgmCellSet.run(Unknown Source:2084)
at com.scudata.ide.spl.SheetSpl.runCellSet(SheetSpl.java:1382)
at com.scudata.ide.spl.SheetSpl$RunThread.run(SheetSpl.java:1633)
Caused by: java.lang.NullPointerException
at com.scudata.expression.mfn.sequence.Select.calculate(Unknown Source:38)
at com.scudata.expression.operator.DotOperator.calculate(Unknown Source:86)
at com.scudata.expression.Expression.calculate(Unknown Source:160)
at com.scudata.cellset.datamodel.PgmNormalCell.calculate(Unknown Source:159)
at com.scudata.cellset.datamodel.PgmCellSet.
$1(Unknown Source:1949)
… 3 more