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boinc
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server (all components that use DB): don't use MYSQL_OPT_RECONNECT if deprecated 

Starting with 8.0.34, the MySQL reconnection option is deprecated,
and using it produces a warning message.
So don't use it with MySQL 8.0.34 and later.

Note: this means that if the MySQL server dies,
long-running programs like the transitioner will stop working,
and you'll have to stop/start the project.
If this proves to be a problem, we could add our own reconnect logic.
This commit is contained in:
David Anderson 2023-08-21 15:57:47 -07:00
parent b8f67dc8cf
commit a42eadad66
1 changed files with 6 additions and 3 deletions
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9
db/db_base.cpp
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@ -46,9 +46,12 @@ int DB_CONN::open(
//
// v < 5.0.13: not supported
// 5.0.13 <= v < 5.0.19: set option after real_connect()
// 5.0.19 < v < 5.1: set option before real_connect();
// 5.0.19 < v < 5.1: set option before real_connect()
// 5.1.0 <= v < 5.1.6: set option after real_connect()
// 5.1.6 <= v: set option before real_connect
// 5.1.6 <= v: set option before real_connect()
// 5.1.6 < v < 8.0.34: set option after real_connect()
// 8.0.34 <= v: reconnect feature deprecated
// https://dev.mysql.com/doc/relnotes/mysql/8.0/en/news-8-0-34.html#mysqld-8-0-34-deprecation-removal
int v = MYSQL_VERSION_ID;
bool set_opt_before = false, set_opt_after = false;
@ -59,7 +62,7 @@ int DB_CONN::open(
set_opt_before = true;
} else if (v < 50106) {
set_opt_after = true;
} else {
} else if (v < 80034) {
set_opt_before = true;
}