$densify
Reference group: Pipeline stages
What it does
Adds documents for missing values in a sequence.
Syntax
{$densify: { field, range, partitionByFields? }}
Use case
Fill gaps in time-series analytics.
Important notes
Verify server-version support.
$densify: practical example
{ $densify: { field: "day", range: { step: 1, unit: "day", bounds: "partition" } } }💡 Explanation
Adds documents for missing values in a sequence.
When to use it
Fill gaps in time-series analytics.
Caution
Verify server-version support.
Key Takeaways
- Adds documents for missing values in a sequence.
- Typical use: Fill gaps in time-series analytics.