fixing scenerio 3 of issue #3995 #4214
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yaeldekel
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Sep 15, 2019
| @@ -222,7 +222,8 @@ private protected override void CheckDataValid(IChannel ch, RoleMappedData data) | |||
| $"Label column '{labelCol.Name}' is of type '{labelType.RawType}', but must be Key or Single."); | |||
| } | |||
| // Check group types. | |||
| ch.CheckParam(data.Schema.Group.HasValue, nameof(data), "Need a group column."); | |||
| if(!data.Schema.Group.HasValue) | |||
| throw ch.ExceptValue(nameof(data.Schema.Group), "Group column is missing.") ; | |||
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if (!condition)
throw ...
is the same as doing a check on condition.
#Resolved
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Hi Yael! Checkparam throws an ArgumentOutOfRangeException, I switched to checking manually, so I can throw a different type of exception. There's also a checkvalue function, but it only works for checking classes. #Resolved
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This fixes the issue #3995 scenario 3
I'm waiting to see what can be done about scenario 1(desired behavior not decided yet) and 2( can't replicate). Scenario 4 is not part of our code base.
In this commit, I have made the error comment more clear and switched the exception from an System.ArgumentOutOfRangeException to System.ArgumentNullException. ArgumentOutOfRangeException are reserved for signaling bad function parameters and thus doesn't make sense to use for signaling a missing column value.
So we can do the best job, please check:
Fixes #nnnnin your description to cause GitHub to automatically close the issue(s) when your PR is merged.