hustxjs commented on issue #5059:
URL: https://github.com/apache/seatunnel/issues/5059#issuecomment-1657919356
here is java code:
```java
@AutoService(ZetaUDF.class)
public class qdmxUDF implements ZetaUDF {
@Override
public String functionName() {
return "qdmx";
}
@Override
public SeaTunnelDataType<?> resultType(List<SeaTunnelDataType<?>> list) {
return BasicType.STRING_TYPE;
}
@Override
public Object evaluate(List<Object> list) {
String str = list.get(0).toString();
return "b:"+list.get(0).toString();
}
}
```
and config is :
```xml
env {
execution.parallelism = 1
job.mode = "BATCH"
}
source {
Clickhouse {
host = "192.168.9.103:8123"
database = "default"
username = "root"
password = "1234567"
sql = "select id, name from default.tt1 "
result_table_name = "fake"
}
}
transform {
source_table_name = "fake"
result_table_name = "fake1"
udf {
function.example = "com.dscomm.web.qdmxUDF"
}
Sql {
query = "select id, qdmx(name) as name2 from fake"
}
}
sink {
Console {
source_table_name = "fake1"
}
}
```
@liunaijie
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