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https://issues.apache.org/jira/browse/DRILL-3232?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14981898#comment-14981898
]
ASF GitHub Bot commented on DRILL-3232:
---------------------------------------
Github user jacques-n commented on a diff in the pull request:
https://github.com/apache/drill/pull/207#discussion_r43472075
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/expr/fn/ExceptionFunction.java
---
@@ -0,0 +1,53 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ * <p/>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p/>
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.drill.exec.expr.fn;
+
+import org.apache.drill.common.exceptions.DrillRuntimeException;
+import org.apache.drill.exec.expr.DrillSimpleFunc;
+import org.apache.drill.exec.expr.annotations.FunctionTemplate;
+import
org.apache.drill.exec.expr.annotations.FunctionTemplate.FunctionScope;
+import org.apache.drill.exec.expr.annotations.Output;
+import org.apache.drill.exec.expr.annotations.Param;
+import org.apache.drill.exec.expr.holders.BigIntHolder;
+import org.apache.drill.exec.expr.holders.VarCharHolder;
+
+public class ExceptionFunction {
+
+ public static final String EXCEPTION_FUNCTION_NAME = "throwException";
+
+ @FunctionTemplate(name = EXCEPTION_FUNCTION_NAME, isRandom = true,
+ scope = FunctionScope.SIMPLE, nulls =
FunctionTemplate.NullHandling.NULL_IF_NULL)
+ public static class ThrowException implements DrillSimpleFunc {
+
+ @Param VarCharHolder message;
+ @Output BigIntHolder out;
+
+ public void setup() {
+ }
+
+ public void eval() {
+ byte[] bytes = new byte[message.end - message.start];
--- End diff --
I'm pretty sure we have a utility method that converts from buffer to
string.
> Modify existing vectors to allow type promotion
> -----------------------------------------------
>
> Key: DRILL-3232
> URL: https://issues.apache.org/jira/browse/DRILL-3232
> Project: Apache Drill
> Issue Type: Sub-task
> Components: Execution - Codegen, Execution - Data Types, Execution -
> Relational Operators, Functions - Drill
> Reporter: Steven Phillips
> Assignee: Hanifi Gunes
> Fix For: 1.3.0
>
>
> Support the ability for existing vectors to be promoted similar to supported
> implicit casting rules.
> For example:
> INT > DOUBLE > STRING > EMBEDDED
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