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fix(cnch): support mysql protocol initialization

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zipg 2026-07-15 19:32:29 +08:00 committed by GitHub
parent 1c34b2b568
commit 60b88c90e0
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1 changed files with 13 additions and 1 deletions
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14
crates/dbx-core/src/db/mysql.rs
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@ -693,7 +693,9 @@ fn mysql_group_concat_setup_fallback_mode(setup_mode: MySqlSetupMode, error: &st
}
let lower = error.to_ascii_lowercase();
if lower.contains("group_concat_max_len") && (lower.contains("1193") || lower.contains("unknown system variable")) {
let setup_query_rejected =
lower.contains("1193") || lower.contains("unknown system variable") || lower.contains("syntax error");
if lower.contains("group_concat_max_len") && setup_query_rejected {
return Some(MySqlSetupMode::Compatible);
}
@ -4536,6 +4538,16 @@ UNIQUE KEY(`tenant_id`, `name``part`)
);
}
#[test]
fn mysql_cnch_group_concat_syntax_error_retries_without_session_variable() {
let error = "MySQL connection failed: Server error: `ERROR HY000 (1105): unknown error: Error 62 (HY000): Code: 62, e.displayText() = DB::Exception: host = cnch-server-2: Syntax error: failed at position 13 ('group_concat_max_len'): group_concat_max_len = 1048576. Expected one of: Dot, token, Equals SQLSTATE: 42000 (version 21.8.7.1)'";
assert_eq!(
mysql_group_concat_setup_fallback_mode(MySqlSetupMode::Standard, error),
Some(MySqlSetupMode::Compatible)
);
}
#[test]
fn mysql_proxy_parse_tablename_1105_does_not_disable_group_concat() {
let error = "MySQL connection failed: Server error: `ERROR 07000 (1105): SQL操作失败 (operate fail ) ：解析表名出错 ( parse tablename error ) '";