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MDEV-25674: Add CHANGE MASTER TO master_retry_count

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This new CHANGE MASTER TO field specifies the `--master-retry-count`
(global option: the number of Primary connection attempts)
for each multi-source replica; i.e, per-channel `performance_schema.`
`replication_connection_configuration.CONNECTION_RETRY_COUNT`.

`--master-retry-count` remains the default for new `CHANGE MASTER TO`s.

This new keyword and `master-info` entry
matches those of pre-‘REPLICATION SOURCE’ MySQL.
This commit is contained in:
ParadoxV5
2025-02-19 16:51:54 -07:00
parent 66f52ba630
commit 7094a75596
11 changed files with 174 additions and 18 deletions
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2
sql/sql_repl.cc
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@ -4050,6 +4050,8 @@ bool change_master(THD* thd, Master_info* mi, bool *master_info_added)
mi->port = lex_mi->port;
if (lex_mi->connect_retry)
mi->connect_retry = lex_mi->connect_retry;
if (lex_mi->retry_count)
mi->retry_count= lex_mi->retry_count;
if (lex_mi->heartbeat_opt != LEX_MASTER_INFO::LEX_MI_UNCHANGED)
mi->heartbeat_period = lex_mi->heartbeat_period;
else