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fix: Return multi-row dataframe when Structured Output data supports it #9659

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Merged
erichare merged 3 commits into from
Sep 3, 2025
Merged

fix: Return multi-row dataframe when Structured Output data supports it #9659

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663d16a
fix: Return multi-row dataframe output in SO
erichare Sep 2, 2025
f172f64
[autofix.ci] apply automated fixes
autofix-ci[bot] Sep 2, 2025
04e73cf
Tool support in message schema
erichare Sep 2, 2025
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9 changes: 6 additions & 3 deletions src/backend/base/langflow/components/processing/structured_output.py
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Original file line number Diff line number Diff line change
Expand Up @@ -197,6 +197,9 @@ def build_structured_dataframe(self) -> DataFrame:
# handle empty or unexpected type case
msg = "No structured output returned"
raise ValueError(msg)
data_list = [Data(data=output[0])] if len(output) == 1 else [Data(data=item) for item in output]

return DataFrame(data_list)
if len(output) == 1:
return DataFrame(output[0])
if len(output) > 1:
# Multiple outputs - convert to DataFrame directly
return DataFrame(output)
return DataFrame()
4 changes: 2 additions & 2 deletions src/backend/base/langflow/initial_setup/starter_projects/Financial Report Parser.json
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4 changes: 2 additions & 2 deletions src/backend/base/langflow/initial_setup/starter_projects/Hybrid Search RAG.json
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4 changes: 2 additions & 2 deletions src/backend/base/langflow/initial_setup/starter_projects/Image Sentiment Analysis.json
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4 changes: 2 additions & 2 deletions src/backend/base/langflow/initial_setup/starter_projects/Market Research.json
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4 changes: 2 additions & 2 deletions ...ackend/base/langflow/initial_setup/starter_projects/Portfolio Website Code Generator.json
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5 changes: 5 additions & 0 deletions src/backend/base/langflow/schema/message.py
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Original file line number Diff line number Diff line change
Expand Up @@ -163,6 +163,9 @@
elif lc_message.type == "system":
sender = "System"
sender_name = "System"
elif lc_message.type == "tool":
sender = "Tool"
sender_name = "Tool"
else:
sender = lc_message.type
sender_name = lc_message.type
Expand Down Expand Up @@ -227,6 +230,8 @@
messages.append(SystemMessage(content=message.get("content")))
case _ if message.get("type") == "ai":
messages.append(AIMessage(content=message.get("content")))
case _ if message.get("type") == "tool":
messages.append(Tool(content=message.get("content")))

Check failure on line 234 in src/backend/base/langflow/schema/message.py

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GitHub Actions / Ruff Style Check (3.13)

Ruff (F821) 

src/backend/base/langflow/schema/message.py:234:37: F821 Undefined name `Tool`

self.prompt["kwargs"]["messages"] = messages
return load(self.prompt)
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