In order to avoid the range deleter having to look into sharding metadata to discover the key pattern, add it as a field on range deletion task documents.
The purpose of this ticket is to:
- Add a new keyPattern field to the IDL (optional)
- Write down the key pattern in all newly created range deletion documents
- is depended on by
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SERVER-47025 moveChunk after refine shard key can hang indefinitely due to missing shard key index
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- Closed
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SERVER-69769 Add `keyPattern` to all range deletion documents missing it on upgrade to v9.0
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- Backlog
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- is related to
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- Blocked
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