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Closes #3265: 'update_group_replication_set_writer' now checks found 'writer' status #3266

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merged 1 commit into from
Jan 21, 2021
Merged

Closes #3265: 'update_group_replication_set_writer' now checks found 'writer' status #3266

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7 changes: 5 additions & 2 deletions lib/MySQL_HostGroups_Manager.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -4006,7 +4006,7 @@ void MySQL_HostGroups_Manager::update_group_replication_set_writer(char *_hostna
char *query=NULL;
char *q=NULL;
char *error=NULL;
q=(char *)"SELECT hostgroup_id FROM mysql_servers JOIN mysql_group_replication_hostgroups ON hostgroup_id=writer_hostgroup OR hostgroup_id=reader_hostgroup OR hostgroup_id=backup_writer_hostgroup OR hostgroup_id=offline_hostgroup WHERE hostname='%s' AND port=%d AND status<>3";
q=(char *)"SELECT hostgroup_id, status FROM mysql_servers JOIN mysql_group_replication_hostgroups ON hostgroup_id=writer_hostgroup OR hostgroup_id=reader_hostgroup OR hostgroup_id=backup_writer_hostgroup OR hostgroup_id=offline_hostgroup WHERE hostname='%s' AND port=%d AND status<>3";
query=(char *)malloc(strlen(q)+strlen(_hostname)+32);
sprintf(query,q,_hostname,_port);
mydb->execute_statement(query, &error, &cols , &affected_rows , &resultset);
Expand Down Expand Up @@ -4041,7 +4041,10 @@ void MySQL_HostGroups_Manager::update_group_replication_set_writer(char *_hostna
SQLite3_row *r=*it;
int hostgroup=atoi(r->fields[0]);
if (hostgroup==_writer_hostgroup) {
found_writer=true;
int status = atoi(r->fields[1]);
if (status == 0) {
found_writer=true;
}
}
if (read_HG>=0) {
if (hostgroup==read_HG) {
Expand Down