Sergei Golubchik 9eee9c6789 MDEV-16355 Add option for mysqldump to read data as of specific timestamp from system-versioned tables ...

Based on Aleksey Midenkov's patch

mysqldump changes:

* --as-of option specifies historical point;
* query forging protection for --as-of parameter.

system versioned tables are detected by querying I_S.TABLES:

* it transfers much less data when the full table definition is not needed
* it does not give false positives on x TEXT DEFAULT 'WITH SYSTEM VERSIONING'

2021-08-27 23:02:37 +02:00

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