Github user Serhii-Harnyk commented on a diff in the pull request:
https://github.com/apache/drill/pull/581#discussion_r99311060
--- Diff:
exec/java-exec/src/main/codegen/templates/DateIntervalFunctionTemplates/SqlToDateTypeFunctions.java
---
@@ -0,0 +1,77 @@
+/**
+ * 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.
+ */
+
+import org.apache.drill.exec.expr.annotations.Workspace;
+
+<@pp.dropOutputFile/>
+
+<#list dateIntervalFunc.dates as type>
+
+<@pp.changeOutputFile name =
"/org/apache/drill/exec/expr/fn/impl/SqlTo${type}.java"/>
+
+<#include "/@includes/license.ftl"/>
+
+package org.apache.drill.exec.expr.fn.impl;
+
+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.Workspace;
+import org.apache.drill.exec.expr.annotations.Param;
+import org.apache.drill.exec.expr.holders.*;
+
+/*
+ * This class is generated using freemarker and the ${.template_name}
template.
+ */
+
+@FunctionTemplate(name = "sql_to_${type?lower_case}",
+ scope = FunctionTemplate.FunctionScope.SIMPLE,
+ nulls = NullHandling.NULL_IF_NULL)
+public class SqlTo${type} implements DrillSimpleFunc {
+
+ @Param VarCharHolder left;
+ @Param VarCharHolder right;
+ @Workspace org.joda.time.format.DateTimeFormatter format;
+ @Output ${type}Holder out;
+
+ public void setup() {
+ // Get the desired output format
+ byte[] buf = new byte[right.end - right.start];
+ right.buffer.getBytes(right.start, buf, 0, right.end -
right.start);
+ String formatString = new String(buf,
com.google.common.base.Charsets.UTF_8);
--- End diff --
I found the method that does the same. Fixed.
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