DRIVERS-3273: Add $toArray expression operator#48
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Pull request overview
Adds the $toArray aggregation expression operator specification to the expressions definitions set, aligning the repo’s operator catalog with MongoDB 8.3+ functionality.
Changes:
- Introduces a new operator definition for
$toArray(metadata, return type, encoding, argument typing). - Adds two example pipelines for string→array and binData→array conversions.
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GromNaN
approved these changes
Jun 8, 2026
GromNaN
changed the title
$toArray expression operator
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Forgot to create a PR for the spec apparently