MODE_IX locks are required for reads performed as part of multi-statement transactions. Add MODE_IX locking for all snapshot reads to accommodate.
We will later refine single-statement snapshot reads to use 2-phase MODE_IS locks under SERVER-33004.
- related to
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SERVER-33336 Snapshot reads should not take MODE_IX locks when autocommit=true
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- Closed
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SERVER-33004 Add two-phase locking for snapshot reads
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- Closed
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