sql/opt: implement + plan explicit timestamp negotiation operator

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sql/opt: implement + plan explicit timestamp negotiation operator #67559

Open nvanbenschoten opened 3 years ago

nvanbenschoten commented 3 years ago

Part of #66020. Needed for stage 3.

See https://github.com/cockroachdb/cockroach/blob/025c53decd8eb00cb70a1d410692026c9f8614dc/docs/RFCS/20210519_bounded_staleness_reads.md#timestampnegotiation-operator.

Jira issue: CRDB-8607

github-actions[bot] commented 1 year ago

We have marked this issue as stale because it has been inactive for 18 months. If this issue is still relevant, removing the stale label or adding a comment will keep it active. Otherwise, we'll close it in 10 days to keep the issue queue tidy. Thank you for your contribution to CockroachDB!