Fix compatibility with MySQL 8.x. #397
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The probing queries for replicas (`SHOW SLAVE HOSTS`) and binary log status (`SHOW MASTER STATUS`) have been deprecated as of MySQL 8.0.22, making ghostferry error out at setup time. This change implements automatic fallback queries for these, so old and new MySQL versions are transparently supported.
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The probing queries for replicas (
SHOW SLAVE HOSTS) and binary log status (SHOW MASTER STATUS) have been deprecated as of MySQL 8.0.22, making ghostferry error out at setup time.This change implements automatic fallback queries for these, so both older for newer MySQL versions are transparently supported.