[SCN REFACTOR] replace flash back snapshot and remove read snapshot session

This commit is contained in:
wangt1xiuyi
2022-11-28 01:54:50 +00:00
committed by ob-robot
parent c4c13f6296
commit 11485d6a98
268 changed files with 6763 additions and 7737 deletions

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@ -58,8 +58,6 @@ static int64_t get_max_comp_pkt_size(const int64_t uncomp_pkt_size)
*
* the body is compressed packet(orig header + orig body)
*
* http://imysql.com/mysql-internal-manual/compressed-packet-header.html
*
* NOTE: In standard mysql compress protocol, if src_pktlen < 50B, or compr_pktlen >= src_pktlen
* mysql will do not compress it and set pktlen_before_compression = 0,
* it can not ensure checksum.