xiaochen-zhou commented on code in PR #8734:
URL: https://github.com/apache/seatunnel/pull/8734#discussion_r1959030251


##########
seatunnel-connectors-v2/connector-jdbc/src/main/java/org/apache/seatunnel/connectors/seatunnel/jdbc/internal/dialect/mysql/MySqlTypeConverter.java:
##########
@@ -248,7 +248,7 @@ public Column convert(BasicTypeDefine typeDefine) {
                 if (typeDefine.getLength() == null || typeDefine.getLength() 
<= 0) {
                     
builder.columnLength(TypeDefineUtils.charTo4ByteLength(1L));
                 } else {
-                    builder.columnLength(typeDefine.getLength());
+                    
builder.columnLength(TypeDefineUtils.charTo4ByteLength(typeDefine.getLength()));

Review Comment:
   > This length is octetLength
   > 
   > 
https://github.com/apache/seatunnel/blob/dev/seatunnel-connectors-v2/connector-jdbc/src/main/java/org/apache/seatunnel/connectors/seatunnel/jdbc/catalog/mysql/MySqlCatalog.java#L149
   > 
   > 
https://github.com/apache/seatunnel/blob/dev/seatunnel-connectors-v2/connector-jdbc/src/main/java/org/apache/seatunnel/connectors/seatunnel/jdbc/internal/dialect/mysql/MySqlTypeMapper.java#L56
   
   Thank you for the guidance, I will take another look at the code.



##########
seatunnel-connectors-v2/connector-jdbc/src/main/java/org/apache/seatunnel/connectors/seatunnel/jdbc/internal/dialect/mysql/MySqlTypeConverter.java:
##########
@@ -248,7 +248,7 @@ public Column convert(BasicTypeDefine typeDefine) {
                 if (typeDefine.getLength() == null || typeDefine.getLength() 
<= 0) {
                     
builder.columnLength(TypeDefineUtils.charTo4ByteLength(1L));
                 } else {
-                    builder.columnLength(typeDefine.getLength());
+                    
builder.columnLength(TypeDefineUtils.charTo4ByteLength(typeDefine.getLength()));

Review Comment:
   > This length is octetLength
   > 
   > 
https://github.com/apache/seatunnel/blob/dev/seatunnel-connectors-v2/connector-jdbc/src/main/java/org/apache/seatunnel/connectors/seatunnel/jdbc/catalog/mysql/MySqlCatalog.java#L149
   > 
   > 
https://github.com/apache/seatunnel/blob/dev/seatunnel-connectors-v2/connector-jdbc/src/main/java/org/apache/seatunnel/connectors/seatunnel/jdbc/internal/dialect/mysql/MySqlTypeMapper.java#L56
   
   Thank you for the guidance, I will take another look at the code.



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