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.NET: Fix single-column value unwrap in declarative workflow (#6367)

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* Fix single-column value unwrap in declarative workflow

* Added more tests
This commit is contained in:
Peter Ibekwe
2026-06-08 04:37:12 -07:00
committed by GitHub
Unverified
parent fa9e086576
commit 331201294b
2 changed files with 71 additions and 1 deletions
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dotnet/src/Microsoft.Agents.AI.Workflows.Declarative/ObjectModel/ForeachExecutor.cs
+10 -1
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@@ -49,7 +49,7 @@ internal sealed class ForeachExecutor : DeclarativeActionExecutor<Foreach>
EvaluationResult<DataValue> expressionResult = this.Evaluator.GetValue(this.Model.Items);
if (expressionResult.Value is TableDataValue tableValue)
{
this._values = [.. tableValue.Values.Select(value => value.ToFormula())];
this._values = [.. tableValue.Values.Select(ToLoopValue)];
}
else
{
@@ -99,6 +99,15 @@ internal sealed class ForeachExecutor : DeclarativeActionExecutor<Foreach>
}
}
// Power Fx wraps scalar array literals (`=[1, 2, 3]`) as `Table({Value: 1}, ...)`. Unwrap that single-column
// `Value`-record shape so `Local.LoopValue` is the scalar; multi-field and other shapes pass through unchanged.
private static FormulaValue ToLoopValue(DataValue value) =>
value is RecordDataValue record
&& record.Properties.Count == 1
&& record.Properties.TryGetValue("Value", out DataValue? singleColumn)
? singleColumn.ToFormula()
: value.ToFormula();
/// <inheritdoc/>
/// <remarks>
/// Persists the iteration cursor (<see cref="_index"/>), the materialized item snapshot