Github user GodenYao commented on a diff in the pull request:
https://github.com/apache/incubator-hawq/pull/873#discussion_r77077634
--- Diff:
pxf/pxf-hive/src/main/java/org/apache/hawq/pxf/plugins/hive/utilities/EnumHiveToHawqType.java
---
@@ -110,4 +122,68 @@ public static EnumHiveToHawqType
getHiveToHawqType(String hiveType) {
+ hiveType + " to HAWQ's type");
}
+
+ /**
+ *
+ * @param dataType Hawq data type
+ * @return compatible Hive type to given Hawq type, if there are more
than one compatible types, it returns one with bigger size
+ * @throws UnsupportedTypeException if there is no corresponding Hive
type for given Hawq type
+ */
+ public static EnumHiveToHawqType getCompatibleHawqToHiveType(DataType
dataType) {
+
+ SortedSet<EnumHiveToHawqType> types = new
TreeSet<EnumHiveToHawqType>(
+ new Comparator<EnumHiveToHawqType>() {
+ public int compare(EnumHiveToHawqType a,
+ EnumHiveToHawqType b) {
+ return Byte.compare(a.getSize(), b.getSize());
+ }
+ });
+
+ for (EnumHiveToHawqType t : values()) {
+ if (t.getHawqType().getDataType().equals(dataType)) {
+ types.add(t);
+ }
+ }
+
+ if (types.size() == 0)
+ throw new UnsupportedTypeException("Unable to find compatible
Hive type for given HAWQ's type: " + dataType);
+
--- End diff --
the error message should be reversed:
> Unable to find compatible **HAWQ** type for given **Hive**'s type
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