What Data for This Category Looks Like
Glass is a segmented construction material category. Its yield rate and market data support financial sector needs for building material-related wealth management and market quotation broadcasts. The data originates from public industry building material spot trading monitoring platforms, and is released at fixed daily intervals. Data documents use a structured table format, including fields such as origin, product specification, daily average transaction price, daily highest/lowest price, weekly average price, and monthly average price. Pricing units are yuan per square meter or yuan per weight box, with no extra redundant fields. Daily updates only cover the most recent day's data.
What Constraints Do These Characteristics Impose on Workflow Orchestration
First, data updates at fixed daily times. Configure the workflow trigger node to run at the corresponding daily time. This ensures the latest daily market data is available for financial broadcasts. Second, data includes multiple pricing units. Configure unified rules during the data conversion phase. This prevents unit discrepancies in financial calculations that could reduce broadcast accuracy. Third, target glass category entries must be filtered. Configure field matching rules during data parsing. This excludes interfering data from other building material categories, ensuring broadcast content focuses on the target category. Fourth, structured data simplifies processing, but core field integrity must be verified. Missing data on some dates can create information gaps in financial broadcasts.
How to Set Configurations
| Configuration Item | Recommended Setting | Rationale |
|---|---|---|
Scheduled Trigger Configuration | Trigger once daily at 16:00 | Matches the regular update window for glass market data, ensuring access to the latest daily data |
Data Field Filtering Rule | Retain entries where the "category" field is flat glass, float glass | Focuses on target segmented categories, eliminating interference from unrelated building material data |
Field Non-Empty Validation | Validate that the "daily average price" and "origin" fields are not empty | Ensures core business data is complete, preventing null values from causing errors in subsequent calculations |
Unit Unification Rule | Convert yuan per weight box to yuan per square meter | Standardizes pricing units, eliminating discrepancies from different data sources |
Code Run Input Restriction | Only allow price and cycle fields to be passed | Adapts to input validation rules for v4.8.14 and later versions, avoiding validation failures from unrelated fields such as historical records |
Environment Variable Mount Path | /app/.env.local | Adapts to the default configuration path for the open-source FastGPT v4.8.13 and later versions, facilitating environment variable loading |
The parameter values provided on this page are common recommendations used as starting points for configuration. Actual values are affected by material form, data volume, and business rules. Specific issues require individual analysis. It is recommended to conduct testing on local samples prior to finalizing configuration.
Three Common Mistakes
- Phenomenon: Loop nodes cannot read externally passed glass category filtering rule variables. An "undefined variable" prompt appears during execution. Cause: The switch to allow referencing external variables was not enabled in the loop node configuration panel. Scope restrictions prevent access to outer-layer parameters.
- Phenomenon: Code run node input includes historical record fields. The interface prompts "input parameter validation failed" and cannot be saved or executed. Cause: The input whitelist rules for v4.8.14 and later versions were not followed. Unallowed extra fields were passed.
- Phenomenon: Workflow execution returns glass data that includes other building material category entries. The number of results exceeds expectations. Cause: No data field filtering rule was configured, or the matching field name in the filtering rule does not match the data source's field name.
How to Confirm Proper Configuration
- Trigger a manual workflow execution, check if the returned data only includes entries for the target glass category.
- Review workflow execution logs to confirm the scheduled trigger node starts normally after the daily set time.
- Review the code run node's input parameter configuration, confirm only core price and cycle fields are passed, with no extra unrelated content.
- Review the environment variable configuration file, confirm interface keys and other parameters are correctly mounted to the specified path.
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.