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fix: Continue on fail / error output support for chains and agents (#9078)

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This commit is contained in:
Michael Kret
2024-04-09 15:06:12 +03:00
committed by GitHub
parent 8c2622549b
commit f62800cd72
9 changed files with 469 additions and 388 deletions
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43
packages/@n8n/nodes-langchain/nodes/chains/ChainRetrievalQA/ChainRetrievalQa.node.ts
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@@ -160,25 +160,34 @@ export class ChainRetrievalQa implements INodeType {
// Run for each item
for (let itemIndex = 0; itemIndex < items.length; itemIndex++) {
let query;
try {
let query;
if (this.getNode().typeVersion <= 1.2) {
query = this.getNodeParameter('query', itemIndex) as string;
} else {
query = getPromptInputByType({
ctx: this,
i: itemIndex,
inputKey: 'text',
promptTypeKey: 'promptType',
});
if (this.getNode().typeVersion <= 1.2) {
query = this.getNodeParameter('query', itemIndex) as string;
} else {
query = getPromptInputByType({
ctx: this,
i: itemIndex,
inputKey: 'text',
promptTypeKey: 'promptType',
});
}
if (query === undefined) {
throw new NodeOperationError(this.getNode(), 'The ‘query‘ parameter is empty.');
}
const response = await chain.withConfig(getTracingConfig(this)).invoke({ query });
returnData.push({ json: { response } });
} catch (error) {
if (this.continueOnFail()) {
returnData.push({ json: { error: error.message }, pairedItem: { item: itemIndex } });
continue;
}
throw error;
}
if (query === undefined) {
throw new NodeOperationError(this.getNode(), 'The ‘query‘ parameter is empty.');
}
const response = await chain.withConfig(getTracingConfig(this)).invoke({ query });
returnData.push({ json: { response } });
}
return await this.prepareOutputData(returnData);
}