Spec-Zone .ru
спецификации, руководства, описания, API
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Statement-based replication of LIMIT
clauses in DELETE
, UPDATE
,
and INSERT ... SELECT
statements is unsafe since the order of the rows affected
is not defined. (Such statements can be replicated correctly with statement-based replication only if they also
contain an ORDER BY
clause.) When such a statement is encountered:
When using STATEMENT
mode, a warning that the
statement is not safe for statement-based replication is now issued.
Currently, when using STATEMENT
mode, warnings are issued for DML
statements containing LIMIT
even when they also have an ORDER BY
clause (and so are made deterministic). This is a known
issue. (Bug #42851)
When using MIXED
mode, the statement is now
automatically replicated using row-based mode.