Github user hsuanyi commented on a diff in the pull request:
https://github.com/apache/drill/pull/397#discussion_r56455160
--- Diff:
contrib/storage-hive/core/src/main/java/org/apache/drill/exec/expr/fn/HiveFunctionRegistry.java
---
@@ -204,4 +220,46 @@ private HiveFuncHolder matchAndCreateUDFHolder(String
udfName,
return null;
}
+ public class HiveSqlReturnTypeInference implements
SqlReturnTypeInference {
+ private HiveSqlReturnTypeInference() {
+
+ }
+
+ @Override
+ public RelDataType inferReturnType(SqlOperatorBinding opBinding) {
+ for (RelDataType type : opBinding.collectOperandTypes()) {
+ final TypeProtos.MinorType minorType =
TypeInferenceUtils.getDrillTypeFromCalciteType(type);
+ if(minorType == TypeProtos.MinorType.LATE) {
+ return opBinding.getTypeFactory()
+ .createTypeWithNullability(
+
opBinding.getTypeFactory().createSqlType(SqlTypeName.ANY),
+ true);
+ }
+ }
+
+ final FunctionCall functionCall =
TypeInferenceUtils.convertSqlOperatorBindingToFunctionCall(opBinding);
+ final HiveFuncHolder hiveFuncHolder = getFunction(functionCall);
+ if(hiveFuncHolder == null) {
+ String operandTypes = "";
--- End diff --
addressed
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