[GitHub] [flink] lirui-apache commented on a change in pull request #8614: [FLINK-12727][hive] Make HiveTableOutputFormat support writing partitioned table

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lirui-apache commented on a change in pull request #8614: [FLINK-12727][hive] Make HiveTableOutputFormat support writing partitioned table
URL: https://github.com/apache/flink/pull/8614#discussion_r292344599
 
 

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 File path: flink-connectors/flink-connector-hive/src/main/java/org/apache/flink/batch/connectors/hive/HiveTableOutputFormat.java
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 @@ -268,11 +293,52 @@ public void writeRecord(Row record) throws IOException {
 		try {
 			HivePartitionWriter partitionWriter = staticWriter;
 			if (isDynamicPartition) {
-				// TODO: to be implemented
+				LinkedHashMap<String, String> dynPartSpec = new LinkedHashMap<>();
+				// only need to check the dynamic partitions
+				final int numStaticPart = hiveTablePartition.getPartitionSpec().size();
+				for (int i = dynPartOffset; i < record.getArity(); i++) {
+					// TODO: seems Hive also just calls toString(), need further investigation to confirm
+					// TODO: validate partition value
+					String partVal = record.getField(i).toString();
+					dynPartSpec.put(partitionCols.get(i - dynPartOffset + numStaticPart), partVal);
+				}
+				String partName = Warehouse.makePartPath(dynPartSpec);
+				partitionWriter = partitionToWriter.get(partName);
+				if (partitionWriter == null) {
+					String stagingDir = hiveTablePartition.getStorageDescriptor().getLocation();
+					partitionWriter = writerForLocation(stagingDir + Path.SEPARATOR + partName);
+					partitionToWriter.put(partName, partitionWriter);
+				}
 			}
 			partitionWriter.recordWriter.write(serializer.serialize(getConvertedRow(record), rowObjectInspector));
 		} catch (IOException | SerDeException e) {
 			throw new IOException("Could not write Record.", e);
+		} catch (MetaException e) {
+			throw new CatalogException(e);
+		}
+	}
+
+	// load a single partition
+	private void loadPartition(Path srcDir, Table table, Map<String, String> partSpec, HiveMetastoreClientWrapper client)
 
 Review comment:
   We need non-static fields like `tableName` and `hiveTablePartition`

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