Vladislav Pyatkov created IGNITE-28868:
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             Summary: Calcite SQL: Add SELECT ... FOR UPDATE syntax and 
validation (no-op)
                 Key: IGNITE-28868
                 URL: https://issues.apache.org/jira/browse/IGNITE-28868
             Project: Ignite
          Issue Type: Improvement
            Reporter: Vladislav Pyatkov


Add grammar, AST, and validation for SELECT ... FOR UPDATE in the Calcite 
engine. Actual lock acquisition is out of scope and will be done in a follow-up.
{code}
SELECT ... FROM ... [WHERE ...]
FOR UPDATE [OF col [, col ...]] [WAIT n | NOWAIT]
{code}



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