cockroachdb / cockroachdb/cockroach
sql: add EXPLAIN (OPT, PLANGRAM)
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A-plan-management
branch-release-26.3
C-enhancement
T-sql-queries
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Description
For round-trip testing of PlanGrams we need to add `EXPLAIN (OPT, PLANGRAM)` which shows a PlanGram representation of the chosen optimizer plan.
We might consider also adding `EXPLAIN (OPT, MEMO, PLANGRAM)` which would show the full memo as a single PlanGram.
Jira issue: CRDB-64115
Epic: CRDB-66266
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