@n8n/n8n-nodes-langchain
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JavaScript
/**
* Postgres PGVector Store Node - Version 1.3 - Zod Schema
* Discriminator: mode=load
*
* Use .parse() for strict validation or .safeParse() for error handling.
*
* Schema helpers (z, expressionSchema, etc.) are passed as parameters
* by the schema-validator, not imported from external files.
*
* @generated - CommonJS JavaScript for runtime loading
*/
module.exports = function getSchema({ parameters, z, expressionSchema, stringOrExpression, numberOrExpression, booleanOrExpression, resourceLocatorValueSchema, resourceMapperValueSchema, filterValueSchema, assignmentCollectionValueSchema, iDataObjectSchema, resolveSchema, embeddingInstanceSchema, rerankerInstanceSchema }) {
// Helper function for conditional subnode schema
function getSubnodesSchema() {
return z.object({
embedding: z.union([embeddingInstanceSchema, z.array(embeddingInstanceSchema)]),
reranker: resolveSchema({ parameters, schema: rerankerInstanceSchema, required: true, displayOptions: {"show":{"useReranker":[true]}}, defaults: {"useReranker":false} }),
}).strict();
}
return z.object({
parameters: z.object({
mode: z.literal('load'),
tableName: stringOrExpression.optional(),
prompt: stringOrExpression,
topK: numberOrExpression.optional(),
includeDocumentMetadata: booleanOrExpression.optional(),
useReranker: booleanOrExpression.optional(),
options: z.object({ distanceStrategy: z.union([z.literal('cosine'), z.literal('innerProduct'), z.literal('euclidean'), expressionSchema]).optional(), collection: z.object({ values: z.object({ useCollection: booleanOrExpression.optional(), collectionName: stringOrExpression.optional(), collectionTableName: stringOrExpression.optional() }).optional() }).optional(), columnNames: z.object({ values: z.object({ idColumnName: stringOrExpression.optional(), vectorColumnName: stringOrExpression.optional(), contentColumnName: stringOrExpression.optional(), metadataColumnName: stringOrExpression.optional() }).optional() }).optional(), metadata: z.object({ metadataValues: z.array(z.object({ name: stringOrExpression.optional(), value: stringOrExpression.optional() })).optional() }).optional() }).optional(),
}).optional(),
subnodes: getSubnodesSchema(),
});
};