What data for this category looks like
Data for railway and highway financing daily reports comes from three primary sources: the China State Railway Group Operation Statistics System, provincial transportation department project financing ledgers, and public bidding announcements. Updates are released daily on a T+1 schedule, covering financing updates for new and existing projects from the prior day. Documents use a structured table format with these fields: project unique code, affiliated section/line, total investment scale, current financing amount, fund source type, and cumulative fund in place amount. Uniform units include 100 million yuan, 10,000 yuan, and natural days.
Constraints for workflow orchestration
Decentralized data sources and inconsistent formats require workflows to set up multi-source data pull nodes that adapt to different system interface specifications. The daily T+1 update schedule requires workflows to configure scheduled trigger rules and incremental pull logic to avoid repeated processing of historical data. Structured data includes a unique project code field. Workflows must add a data deduplication step based on this field to ensure only one daily report record is generated per project. Field units vary across data sources. A unified unit conversion node must be configured to align amount fields from different sources to standard units.
Configuration Parameters
| Configuration Item | Recommended Value | Rationale |
|---|---|---|
CRON_EXPRESSION | 0 0 2 * * * | Aligns with the daily T+1 update schedule, ensuring retrieval of financing data from the prior day |
INCREMENTAL_SYNC_ENABLED | true | Avoids repeated processing of historical financing project data, meeting daily update requirements |
UNIQUE_KEY_FIELD | project unique code | Uses this field for data deduplication, ensuring only one daily report record is generated per project, matching the structured document field design |
UNIT_CONVERSION_RULE | 100 million yuan = 10,000 yuan | Aligns inconsistent amount units across data sources, standardizing output financing data units |
MAX_BRANCH_COUNT | 10 | Supports branch pull requirements for railway and highway data sources, avoiding node execution overload |
API_RESPONSE_TIMEOUT | 600 seconds | Matches response times of multi-source APIs, preventing workflow interruptions from slow data pulls |
The parameter values provided on this page are common starting points for configuration. Actual values are affected by data format, volume and business rules. Specific issues require individual analysis. It is recommended to test on your own samples before finalizing settings.
Three Common Configuration Mistakes
- Symptom: After a tool call node runs, both AI reply text and execution requests for the next-level branch are generated. Cause: The default linked execution switch was not disabled in the node configuration, causing subsequent logic to trigger in parallel.
- Symptom: Calling the workflow API returns a null value, and the nested knowledge base assistant node does not generate a valid reply. Cause: The workflow version is v4.8.10 or higher, and the input variable format of the knowledge base assistant was not correctly bound.
- Symptom: A
quote type errorerror appears when configuring variable references, and the configuration cannot be saved. Cause: Input variable parameters are not wrapped in standard JSON format, or the field name contains unescaped special characters.
How to Verify Successful Configuration
- Manually trigger workflow execution, and confirm that pulled project data fields match those from public data sources.
- Review workflow run logs to confirm that the incremental pull logic only processes new data, with no repeated handling of historical data.
- Set up a multi-branch link to connect to the same node, and verify that input data from different sources flows normally to subsequent steps.
- Call the workflow API interface, and check that the field format of returned results meets preset structured requirements.
Question material comes from public community discussions. Configuration values are common starting points and should be measured against your own samples. Verified on 2026-09-14.