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https://issues.apache.org/jira/browse/DRILL-3232?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14981860#comment-14981860
]
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_r43471136
--- Diff: exec/java-exec/src/main/codegen/templates/UnionFunctions.java ---
@@ -0,0 +1,121 @@
+/**
+ * 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
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * 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.
+ */
+
+<@pp.dropOutputFile />
+<@pp.changeOutputFile
name="/org/apache/drill/exec/expr/fn/impl/GUnionFunctions.java" />
+
+
+<#include "/@includes/license.ftl" />
+
+package org.apache.drill.exec.expr.fn.impl;
+
+<#include "/@includes/vv_imports.ftl" />
+import org.apache.drill.exec.expr.DrillSimpleFunc;
+import org.apache.drill.exec.expr.annotations.FunctionTemplate;
+import
org.apache.drill.exec.expr.annotations.FunctionTemplate.NullHandling;
+import org.apache.drill.exec.expr.annotations.Output;
+import org.apache.drill.exec.expr.annotations.Param;
+import org.apache.drill.exec.expr.holders.*;
+import javax.inject.Inject;
+import io.netty.buffer.DrillBuf;
+import org.apache.drill.exec.record.RecordBatch;
+
+/*
+ * This class is generated using freemarker and the ${.template_name}
template.
+ */
+
+@SuppressWarnings("unused")
+public class GUnionFunctions {
+
+ <#list vv.types as type><#list type.minor as minor><#assign name =
minor.class?cap_first />
+ <#assign fields = minor.fields!type.fields />
+ <#assign uncappedName = name?uncap_first/>
+
+ <#if !minor.class?starts_with("Decimal")>
+
+ @SuppressWarnings("unused")
+ @FunctionTemplate(name = "is_${name?upper_case}", scope =
FunctionTemplate.FunctionScope.SIMPLE, nulls=NullHandling.INTERNAL)
--- End diff --
let's make IS instead of is just so is consistent.
> 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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