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Hive3.0 compiles and reports an error. Instead of the specific implementation class, WritableComparable accepts the return, and the compilation passes #943

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Aug 15, 2021
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Hive3.0 compiles and reports an error. Instead of the specific implementation class, WritableComparable accepts the return, and the compilation passes #943

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9 changes: 5 additions & 4 deletions ...va/com/webank/wedatasphere/linkis/engineplugin/hive/serde/CustomerDelimitedJSONSerDe.java
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Original file line number Diff line number Diff line change
Expand Up @@ -31,6 +31,7 @@
import org.apache.hadoop.io.BytesWritable;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.io.Writable;
import org.apache.hadoop.io.WritableComparable;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

Expand Down Expand Up @@ -175,8 +176,8 @@ public static void serialize(ByteStream.Output out, Object obj, ObjectInspector
}
}
private static void writePrimitiveUTF8(OutputStream out, Object o,
PrimitiveObjectInspector oi, boolean escaped, byte escapeChar,
boolean[] needsEscape) throws IOException {
PrimitiveObjectInspector oi, boolean escaped, byte escapeChar,
boolean[] needsEscape) throws IOException {

PrimitiveObjectInspector.PrimitiveCategory category = oi.getPrimitiveCategory();
byte[] binaryData = null;
Expand Down Expand Up @@ -237,12 +238,12 @@ private static void writePrimitiveUTF8(OutputStream out, Object o,
break;
}
case DATE: {
DateWritable dw = ((DateObjectInspector) oi).getPrimitiveWritableObject(o);
WritableComparable dw = ((DateObjectInspector) oi).getPrimitiveWritableObject(o);
binaryData = Base64.encodeBase64(String.valueOf(dw).getBytes());
break;
}
case TIMESTAMP: {
TimestampWritable tw = ((TimestampObjectInspector) oi).getPrimitiveWritableObject(o);
WritableComparable tw = ((TimestampObjectInspector) oi).getPrimitiveWritableObject(o);
binaryData = Base64.encodeBase64(String.valueOf(tw).getBytes());
break;
}
Expand Down