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Posted to issues@flink.apache.org by GitBox <gi...@apache.org> on 2019/06/22 04:31:12 UTC
[GitHub] [flink] xuefuz commented on a change in pull request #8814:
[FLINK-12917][hive] support complex type of array, map,
struct for Hive functions
xuefuz commented on a change in pull request #8814: [FLINK-12917][hive] support complex type of array, map, struct for Hive functions
URL: https://github.com/apache/flink/pull/8814#discussion_r296433764
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File path: flink-connectors/flink-connector-hive/src/main/java/org/apache/flink/table/functions/hive/conversion/HiveInspectors.java
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@@ -181,15 +191,72 @@ public static HiveObjectConversion getConversion(ObjectInspector inspector, Data
inspector instanceof BinaryObjectInspector) {
return IdentityConversion.INSTANCE;
} else if (inspector instanceof HiveCharObjectInspector) {
- return o -> new HiveChar((String) o, ((CharType) dataType.getLogicalType()).getLength());
+ return o -> new HiveChar((String) o, ((CharType) dataType).getLength());
} else if (inspector instanceof HiveVarcharObjectInspector) {
- return o -> new HiveVarchar((String) o, ((VarCharType) dataType.getLogicalType()).getLength());
+ return o -> new HiveVarchar((String) o, ((VarCharType) dataType).getLength());
}
// TODO: handle decimal type
}
- // TODO: handle complex types like struct, list, and map
+ if (inspector instanceof ListObjectInspector) {
+ HiveObjectConversion eleConvert = getConversion(
+ ((ListObjectInspector) inspector).getListElementObjectInspector(),
+ ((ArrayType) dataType).getElementType());
+ return o -> {
+ Object[] array = (Object[]) o;
+ List<Object> result = new ArrayList<>();
Review comment:
We can probably instantiate the list with the known size.
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