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Improving error message #5444

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merged 2 commits into from
Oct 27, 2020
Merged

Improving error message #5444

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1501580
better error fix
Oct 20, 2020
0180e08
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Oct 20, 2020
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4 changes: 2 additions & 2 deletions src/Microsoft.ML.Data/Transforms/ColumnConcatenatingEstimator.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -116,8 +116,8 @@ private SchemaShape.Column CheckInputsAndMakeColumn(
}
if (!col.ItemType.Equals(itemType))
{
throw _host.Except($"Column '{sources[i]}' has values of {col.ItemType}, " +
$"which is not the same as earlier observed type of {itemType}.");
throw _host.Except($"Concatenated columns should have the same type. Column '{sources[i]}' has type of {col.ItemType}, " +
$"but expected column type is {itemType}.");
}
varVector |= col.Kind == SchemaShape.Column.VectorKind.VariableVector;
isNormalized &= col.IsNormalized();
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