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Type: Improvement
Resolution: Unresolved
Priority: Major - P3
Fix Version/s: None
Affects Version/s: None
Component/s: Querying
Labels:
None

Assigned Teams:

Query Execution
Backwards Compatibility:
Fully Compatible

This has the following benefits:

Simplifies the query execution stage API.
Eliminates the complexity of having both PlanStage::StageState::IS_EOF and PlanStage::isEOF.
Brings the stage interface in line with the style we are moving towards with the storage layer's SortedDataInterface::Cursor.

is depended on by

SERVER-18725 Use PlanExecutor::enqueue() in favor of PipelineProxyStage::pushBack()

Closed

is related to

SERVER-15218 Plan ranking EOF bonus should be given if root stage work() was IS_EOF, not if root stage isEOF() is true

Closed

SERVER-17635 Improve SortedDataInterface::Cursor API

Closed

related to

SERVER-19915 Cursor may indicate that it is not exhausted even though next getMore will close the cursor and return no results

Backlog

SERVER-19947 Deadlock between aggregations with sorts on sharded collections and operations requiring MODE_X database locks

Closed

Assignee:: [DO NOT USE] Backlog - Query Execution

Reporter:: David Storch

Participants:: [DO NOT USE] Backlog - Query Execution, David Storch

Votes:: 0 Vote for this issue

Watchers:: 7 Start watching this issue

Created:: Apr 01 2015 02:21:30 PM UTC

Updated:: Dec 06 2022 04:53:45 AM UTC