We executed pt-upgrade applying work load queries, when the query has some non-printable characters like Japanese/Chinese characters, it will fire error: Use of uninitialized value in printf like below:
Error reporting query class **************: Use of uninitialized value in printf at /usr/bin/pt-upgrade line 6074, <> line 15998736.
$VAR1 = {
discarded => 0,
errors => [],
failures => [
[
'INSERT INTO metadata_freeform_string_value (string_value_id,string_value,string_value_hash,creation_action_id) VALUES(11272,\'TRICS - \u30af\u30ed\u30c3\u30af\u7cbe\u5ea6(\u4f4d\u76f8\u30ce\u30a4\u30ba=\u30af\u30ed\u30c3\u30af\u30b8\u30c3\u30bf)\u304cGPS\u306e\u4f4d\u7f6e\u7cbe\u5ea6\u306b\u5927\u304d\u304f\u5f71\u97ff - ni\',-1605749910,54024972)',
'DBD::mysql::st execute failed: Cannot add or update a child row: a foreign key constraint fails (`ni`.`metadata_freeform_string_value`, CONSTRAINT `_metadata_freeform_string_value_ibfk_1` FOREIGN KEY (`creation_action_id`) REFERENCES `action_log` (`action_id`)) [for Statement "INSERT INTO metadata_freeform_string_value (string_value_id,string_value,string_value_hash,creation_action_id) VALUES(11272,\'TRICS - \u30af\u30ed\u30c3\u30af\u7cbe\u5ea6(\u4f4d\u76f8\u30ce\u30a4\u30ba=\u30af\u30ed\u30c3\u30af\u30b8\u30c3\u30bf)\u304cGPS\u306e\u4f4d\u7f6e\u7cbe\u5ea6\u306b\u5927\u304d\u304f\u5f71\u97ff - ni\',-1605749910,54024972)"]',
'DBD::mysql::st execute failed: Cannot add or update a child row: a foreign key constraint fails (`ni`.`metadata_freeform_string_value`, CONSTRAINT `_metadata_freeform_string_value_ibfk_1` FOREIGN KEY (`creation_action_id`) REFERENCES `action_log` (`action_id`)) [for Statement "INSERT INTO metadata_freeform_string_value (string_value_id,string_value,string_value_hash,creation_action_id) VALUES(11272,\'TRICS - \u30af\u30ed\u30c3\u30af\u7cbe\u5ea6(\u4f4d\u76f8\u30ce\u30a4\u30ba=\u30af\u30ed\u30c3\u30af\u30b8\u30c3\u30bf)\u304cGPS\u306e\u4f4d\u7f6e\u7cbe\u5ea6\u306b\u5927\u304d\u304f\u5f71\u97ff - ni\',-1605749910,54024972)"]'
],
[
'INSERT INTO metadata_freeform_string_value (string_value_id,string_value,string_value_hash,creation_action_id) VALUES(11273,\'[Hardware] USRP [Software] LabVIEW [Application] RF,GPS [Technical Issue] GPS\u306e\u4f4d\u7f6e\u7cbe\u5ea6\u304c\u3070\u3089\u3064\u304f [Solution] \u30b3\u30e1\u30f3\u30c8\u53c2\u7167\u3002 [\u6dfb\u4ed8] \u7121\u3057 [\u30b3\u30e1\u30f3\u30c8] GPS\u4fe1\u53f7\u306e\u8a18\u9332\u518d\u751f\u3092USRP2920(\u30af\u30ed\u30c3\u30af\u7cbe\u5ea6\u306e\u60aa\u3044\u65b9\u306eUSRP)\u3067\u3084\u308b\u3068\u3001\u4f4d\u7f6e\u7cbe\u5ea6\u304c\u3070\u3089\u3064\u304f\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3057\u305f\u3002 \u30d7\u30ed\u30b0\u30e9\u30e0\u306fUSRP\u306eR&P\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002 VI\u306f\u4ee5\u4e0b\u3067\u3059\u3002 http://forums.ni.com/t5/Software-Defined-Radio/RF-Record-and-Playback-with-NI-USRP/ta-p/3535243 VI\u306e\u8aac\u660e\u306e\u30ea\u30f3\u30af\u3067\u3059\u3002 http://www.ni.com/white-paper/13881/ja/#toc1 [\u624b\u9806] (1)\u5ea7\u6a19\u304c\u56fa\u5b9a\u3055\u308c\u305fGPS\u4fe1\u53f7\u3092GPS\u30c4\u30fc\u30eb\u30ad\u30c3\u30c8+VST\u3092\u4f7f\u7528\u3057\u3066\u9001\u4fe1\u3057\u3001USRP2920\u3067\u53d7\u4fe1\u3057\u3066\u3001\u30ec\u30b3\u30fc\u30c9\u3002 (2)\u30ec\u30b3\u30fc\u30c9\u3057\u305fGPS\u4fe1\u53f7\u3092USRP2920\u3067\u30d7\u30ec\u30a4\u30d0\u30c3\u30af\u3057\u3066\u3001GPS\u53d7\u4fe1\u6a5f(u-blox\u306eEVK-5H)\u3067\u53d7\u4fe1\u3002 (3)u-blo...\',-1107216618,54024972)',
'DBD::mysql::st execute failed: Cannot add or update a child row: a foreign key constraint fails (`ni`.`metadata_freeform_string_value`, CONSTRAINT `_metadata_freeform_string_value_ibfk_1` FOREIGN KEY (`creation_action_id`) REFERENCES `action_log` (`action_id`)) [for Statement "INSERT INTO metadata_freeform_string_value (string_value_id,string_value,string_value_hash,creation_action_id) VALUES(11273,\'[Hardware] USRP [Software] LabVIEW [Application] RF,GPS [Technical Issue] GPS\u306e\u4f4d\u7f6e\u7cbe\u5ea6\u304c\u3070\u3089\u3064\u304f [Solution] \u30b3\u30e1\u30f3\u30c8\u53c2\u7167\u3002 [\u6dfb\u4ed8] \u7121\u3057 [\u30b3\u30e1\u30f3\u30c8] GPS\u4fe1\u53f7\u306e\u8a18\u9332\u518d\u751f\u3092USRP2920(\u30af\u30ed\u30c3\u30af\u7cbe\u5ea6\u306e\u60aa\u3044\u65b9\u306eUSRP)\u3067\u3084\u308b\u3068\u3001\u4f4d\u7f6e\u7cbe\u5ea6\u304c\u3070\u3089\u3064\u304f\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3057\u305f\u3002 \u30d7\u30ed\u30b0\u30e9\u30e0\u306fUSRP\u306eR&P\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002 VI\u306f\u4ee5\u4e0b\u3067\u3059\u3002 http://forums.ni.com/t5/Software-Defined-Radio/RF-Record-and-Playback-with-NI-USRP/ta-p/3535243 VI\u306e\u8aac\u660e\u306e\u30ea\u30f3\u30af\u3067\u3059\u3002 http://www.ni.com/white-paper/13881/ja/#toc1 [\u624b\u9806] (1)\u5ea7\u6a19\u304c\u56fa\u5b9a\u3055\u308c\u305fGPS\u4fe1\u53f7\u3092GPS\u30c4\u30fc\u30eb\u30ad\u30c3\u30c8+VST\u3092\u4f7f\u7528\u3057\u3066\u9001\u4fe1\u3057\u3001USRP2920\u3067\u53d7\u4fe1\u3057\u3066\u3001\u30ec\u30b3\u30fc\u30c9\u3002 (2)\u30ec\u30b3\u30fc\u30c9\u3057\u305fGPS\u4fe1\u53f7\u3092USRP2920\u3067\u30d7\u30ec\u30a4\u30d0\u30c3\u30af\u3057\u3066\u3001GPS\u53d7\u4fe1\u6a5f(u-blox\u306eEVK-5H)\u3067\u53d7\u4fe1\u3002 (3)u-blo...\',-1107216618,54024972)"]',
'DBD::mysql::st execute failed: Cannot add or update a child row: a foreign key constraint fails (`ni`.`metadata_freeform_string_value`, CONSTRAINT `_metadata_freeform_string_value_ibfk_1` FOREIGN KEY (`creation_action_id`) REFERENCES `action_log` (`action_id`)) [for Statement "INSERT INTO metadata_freeform_string_value (string_value_id,string_value,string_value_hash,creation_action_id) VALUES(11273,\'[Hardware] USRP [Software] LabVIEW [Application] RF,GPS [Technical Issue] GPS\u306e\u4f4d\u7f6e\u7cbe\u5ea6\u304c\u3070\u3089\u3064\u304f [Solution] \u30b3\u30e1\u30f3\u30c8\u53c2\u7167\u3002 [\u6dfb\u4ed8] \u7121\u3057 [\u30b3\u30e1\u30f3\u30c8] GPS\u4fe1\u53f7\u306e\u8a18\u9332\u518d\u751f\u3092USRP2920(\u30af\u30ed\u30c3\u30af\u7cbe\u5ea6\u306e\u60aa\u3044\u65b9\u306eUSRP)\u3067\u3084\u308b\u3068\u3001\u4f4d\u7f6e\u7cbe\u5ea6\u304c\u3070\u3089\u3064\u304f\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3057\u305f\u3002 \u30d7\u30ed\u30b0\u30e9\u30e0\u306fUSRP\u306eR&P\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002 VI\u306f\u4ee5\u4e0b\u3067\u3059\u3002 http://forums.ni.com/t5/Software-Defined-Radio/RF-Record-and-Playback-with-NI-USRP/ta-p/3535243 VI\u306e\u8aac\u660e\u306e\u30ea\u30f3\u30af\u3067\u3059\u3002 http://www.ni.com/white-paper/13881/ja/#toc1 [\u624b\u9806] (1)\u5ea7\u6a19\u304c\u56fa\u5b9a\u3055\u308c\u305fGPS\u4fe1\u53f7\u3092GPS\u30c4\u30fc\u30eb\u30ad\u30c3\u30c8+VST\u3092\u4f7f\u7528\u3057\u3066\u9001\u4fe1\u3057\u3001USRP2920\u3067\u53d7\u4fe1\u3057\u3066\u3001\u30ec\u30b3\u30fc\u30c9\u3002 (2)\u30ec\u30b3\u30fc\u30c9\u3057\u305fGPS\u4fe1\u53f7\u3092USRP2920\u3067\u30d7\u30ec\u30a4\u30d0\u30c3\u30af\u3057\u3066\u3001GPS\u53d7\u4fe1\u6a5f(u-blox\u306eEVK-5H)\u3067\u53d7\u4fe1\u3002 (3)u-blo...\',-1107216618,54024972)"]'
],
[
'INSERT INTO metadata_freeform_string_value (string_value_id,string_value,string_value_hash,creation_action_id) VALUES(11274,\'http://forums.ni.com/t5/Alliance-Partner-Network-Japan/TRICS-nbsp-%E3%82%AF%E3%83%AD%E3%83%83%E3%82%AF%E7%B2%BE%E5%BA%A6-%E4%BD%8D%E7%9B%B8%E3%83%8E%E3%82%A4%E3%82%BA-%E3%82%AF%E3%83%AD%E3%83%83%E3%82%AF%E3%82%B8%E3%83%83%E3%82%BF-%E3%81%8CGPS%E3%81%AE%E4%BD%8D%E7%BD%AE%E7%B2%BE%E5%BA%A6%E3%81%AB%E5%A4%A7%E3%81%8D%E3%81%8F%E5%BD%B1%E9%9F%BF/ta-p/3558502\',-1586887004,54025087)',
'DBD::mysql::st execute failed: Cannot add or update a child row: a foreign key constraint fails (`ni`.`metadata_freeform_string_value`, CONSTRAINT `_metadata_freeform_string_value_ibfk_1` FOREIGN KEY (`creation_action_id`) REFERENCES `action_log` (`action_id`)) [for Statement "INSERT INTO metadata_freeform_string_value (string_value_id,string_value,string_value_hash,creation_action_id) VALUES(11274,\'http://forums.ni.com/t5/Alliance-Partner-Network-Japan/TRICS-nbsp-%E3%82%AF%E3%83%AD%E3%83%83%E3%82%AF%E7%B2%BE%E5%BA%A6-%E4%BD%8D%E7%9B%B8%E3%83%8E%E3%82%A4%E3%82%BA-%E3%82%AF%E3%83%AD%E3%83%83%E3%82%AF%E3%82%B8%E3%83%83%E3%82%BF-%E3%81%8CGPS%E3%81%AE%E4%BD%8D%E7%BD%AE%E7%B2%BE%E5%BA%A6%E3%81%AB%E5%A4%A7%E3%81%8D%E3%81%8F%E5%BD%B1%E9%9F%BF/ta-p/3558502\',-1586887004,54025087)"]',
'DBD::mysql::st execute failed: Cannot add or update a child row: a foreign key constraint fails (`ni`.`metadata_freeform_string_value`, CONSTRAINT `_metadata_freeform_string_value_ibfk_1` FOREIGN KEY (`creation_action_id`) REFERENCES `action_log` (`action_id`)) [for Statement "INSERT INTO metadata_freeform_string_value (string_value_id,string_value,string_value_hash,creation_action_id) VALUES(11274,\'http://forums.ni.com/t5/Alliance-Partner-Network-Japan/TRICS-nbsp-%E3%82%AF%E3%83%AD%E3%83%83%E3%82%AF%E7%B2%BE%E5%BA%A6-%E4%BD%8D%E7%9B%B8%E3%83%8E%E3%82%A4%E3%82%BA-%E3%82%AF%E3%83%AD%E3%83%83%E3%82%AF%E3%82%B8%E3%83%83%E3%82%BF-%E3%81%8CGPS%E3%81%AE%E4%BD%8D%E7%BD%AE%E7%B2%BE%E5%BA%A6%E3%81%AB%E5%A4%A7%E3%81%8D%E3%81%8F%E5%BD%B1%E9%9F%BF/ta-p/3558502\',-1586887004,54025087)"]'
]
],
fingerprint => 'insert into metadata_freeform_string_value (string_value_id,string_value,string_value_hash,creation_action_id) values(?+)',
id => 'DA30C81663C7639B',
query_time_diffs => [],
row_diffs => [],
total_queries => 3,
unique_queries => {
'INSERT INTO metadata_freeform_string_value (string_value_id,string_value,string_value_hash,creation_action_id) VALUES(11272,\'TRICS - \u30af\u30ed\u30c3\u30af\u7cbe\u5ea6(\u4f4d\u76f8\u30ce\u30a4\u30ba=\u30af\u30ed\u30c3\u30af\u30b8\u30c3\u30bf)\u304cGPS\u306e\u4f4d\u7f6e\u7cbe\u5ea6\u306b\u5927\u304d\u304f\u5f71\u97ff - ni\',-1605749910,54024972)' => 1,
'INSERT INTO metadata_freeform_string_value (string_value_id,string_value,string_value_hash,creation_action_id) VALUES(11273,\'[Hardware] USRP [Software] LabVIEW [Application] RF,GPS [Technical Issue] GPS\u306e\u4f4d\u7f6e\u7cbe\u5ea6\u304c\u3070\u3089\u3064\u304f [Solution] \u30b3\u30e1\u30f3\u30c8\u53c2\u7167\u3002 [\u6dfb\u4ed8] \u7121\u3057 [\u30b3\u30e1\u30f3\u30c8] GPS\u4fe1\u53f7\u306e\u8a18\u9332\u518d\u751f\u3092USRP2920(\u30af\u30ed\u30c3\u30af\u7cbe\u5ea6\u306e\u60aa\u3044\u65b9\u306eUSRP)\u3067\u3084\u308b\u3068\u3001\u4f4d\u7f6e\u7cbe\u5ea6\u304c\u3070\u3089\u3064\u304f\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3057\u305f\u3002 \u30d7\u30ed\u30b0\u30e9\u30e0\u306fUSRP\u306eR&P\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002 VI\u306f\u4ee5\u4e0b\u3067\u3059\u3002 http://forums.ni.com/t5/Software-Defined-Radio/RF-Record-and-Playback-with-NI-USRP/ta-p/3535243 VI\u306e\u8aac\u660e\u306e\u30ea\u30f3\u30af\u3067\u3059\u3002 http://www.ni.com/white-paper/13881/ja/#toc1 [\u624b\u9806] (1)\u5ea7\u6a19\u304c\u56fa\u5b9a\u3055\u308c\u305fGPS\u4fe1\u53f7\u3092GPS\u30c4\u30fc\u30eb\u30ad\u30c3\u30c8+VST\u3092\u4f7f\u7528\u3057\u3066\u9001\u4fe1\u3057\u3001USRP2920\u3067\u53d7\u4fe1\u3057\u3066\u3001\u30ec\u30b3\u30fc\u30c9\u3002 (2)\u30ec\u30b3\u30fc\u30c9\u3057\u305fGPS\u4fe1\u53f7\u3092USRP2920\u3067\u30d7\u30ec\u30a4\u30d0\u30c3\u30af\u3057\u3066\u3001GPS\u53d7\u4fe1\u6a5f(u-blox\u306eEVK-5H)\u3067\u53d7\u4fe1\u3002 (3)u-blo...\',-1107216618,54024972)' => 1,
'INSERT INTO metadata_freeform_string_value (string_value_id,string_value,string_value_hash,creation_action_id) VALUES(11274,\'http://forums.ni.com/t5/Alliance-Partner-Network-Japan/TRICS-nbsp-%E3%82%AF%E3%83%AD%E3%83%83%E3%82%AF%E7%B2%BE%E5%BA%A6-%E4%BD%8D%E7%9B%B8%E3%83%8E%E3%82%A4%E3%82%BA-%E3%82%AF%E3%83%AD%E3%83%83%E3%82%AF%E3%82%B8%E3%83%83%E3%82%BF-%E3%81%8CGPS%E3%81%AE%E4%BD%8D%E7%BD%AE%E7%B2%BE%E5%BA%A6%E3%81%AB%E5%A4%A7%E3%81%8D%E3%81%8F%E5%BD%B1%E9%9F%BF/ta-p/3558502\',-1586887004,54025087)' => 1
},
warning_diffs => []
};
Note this error has more to do with the 3rd query with html encoding than the Japanese characters. See https:/