MDEV-37995: FULL OUTER JOIN name resolution #4419
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Allow FULL OUTER JOIN queries to proceed through name resolution. Permits limited EXPLAIN EXTENDED support so tests can prove that the JOIN_TYPE_* table markings are reflected when the query is echoed back by the server. This happens in at least two places: via a Warning message during EXPLAIN EXTENDED and during VIEW .frm file creation. While the query plan output is mostly meaningless at this point, this limited EXPLAIN support improves the SELECT_LEX print function for the new JOIN types.
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Allow FULL OUTER JOIN queries to proceed through name resolution.
Permits limited EXPLAIN EXTENDED support so tests can prove that the JOIN_TYPE_* table markings are reflected when the query is echoed back by the server. This happens in at least two places: via a Warning message during EXPLAIN EXTENDED and during VIEW .frm file creation.
While the query plan output is mostly meaningless at this point, this limited EXPLAIN support improves the SELECT_LEX print function for the new JOIN types.
PS protocol is disabled in the tests for FULL JOIN at this point and will be fixed as FULL JOIN development continues.