| /* |
| * 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 /> |
| |
| <#macro reassignHolder> |
| previous.buffer = buf = buf.reallocIfNeeded(length); |
| previous.buffer.setBytes(0, in.buffer, in.start, length); |
| previous.end = length; |
| </#macro> |
| |
| |
| <@pp.changeOutputFile name="/org/apache/drill/exec/expr/fn/impl/GNewValueFunctions.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.Param; |
| import org.apache.drill.exec.expr.annotations.Workspace; |
| 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 ${.template_name} template. |
| */ |
| public class GNewValueFunctions { |
| <#list vv.types as type> |
| <#list type.minor as minor> |
| <#list vv.modes as mode> |
| <#if mode.name != "Repeated"> |
| |
| <#if !minor.class.startsWith("Decimal28") && !minor.class.startsWith("Decimal38") && !minor.class.startsWith("Interval")> |
| @SuppressWarnings("unused") |
| @FunctionTemplate(name = "newPartitionValue", scope = FunctionTemplate.FunctionScope.SIMPLE, nulls = NullHandling.INTERNAL) |
| public static class NewValue${minor.class}${mode.prefix} implements DrillSimpleFunc { |
| |
| @Param ${mode.prefix}${minor.class}Holder in; |
| @Workspace ${mode.prefix}${minor.class}Holder previous; |
| @Workspace Boolean initialized; |
| @Output BitHolder out; |
| <#if type.major == "VarLen"> |
| @Inject DrillBuf buf; |
| </#if> |
| |
| public void setup() { |
| initialized = false; |
| <#if type.major == "VarLen"> |
| previous.buffer = buf; |
| previous.start = 0; |
| </#if> |
| } |
| |
| public void eval() { |
| <#if mode.name == "Required"> |
| <#if type.major == "VarLen"> |
| int length = in.end - in.start; |
| |
| if (initialized) { |
| if (org.apache.drill.exec.expr.fn.impl.ByteFunctionHelpers.compare( |
| previous.buffer, 0, previous.end, in.buffer, in.start, in.end) == 0) { |
| out.value = 0; |
| } else { |
| <@reassignHolder/> |
| out.value = 1; |
| } |
| } else { |
| <@reassignHolder/> |
| out.value = 1; |
| initialized = true; |
| } |
| </#if> |
| <#if type.major == "Fixed" || type.major == "Bit"> |
| if (initialized) { |
| if (in.value == previous.value) { |
| out.value = 0; |
| } else { |
| previous.value = in.value; |
| out.value = 1; |
| } |
| } else { |
| previous.value = in.value; |
| out.value = 1; |
| initialized = true; |
| } |
| </#if> |
| </#if> <#-- mode.name == "Required" --> |
| |
| <#if mode.name == "Optional"> |
| <#if type.major == "VarLen"> |
| int length = in.isSet == 0 ? 0 : in.end - in.start; |
| |
| if (initialized) { |
| if (previous.isSet == 0 && in.isSet == 0) { |
| out.value = 0; |
| } else if (previous.isSet != 0 && in.isSet != 0 && org.apache.drill.exec.expr.fn.impl.ByteFunctionHelpers.compare( |
| previous.buffer, 0, previous.end, in.buffer, in.start, in.end) == 0) { |
| out.value = 0; |
| } else { |
| if (in.isSet == 1) { |
| <@reassignHolder/> |
| } |
| previous.isSet = in.isSet; |
| out.value = 1; |
| } |
| } else { |
| if (in.isSet == 1) { |
| <@reassignHolder/> |
| } |
| previous.isSet = in.isSet; |
| out.value = 1; |
| initialized = true; |
| } |
| </#if> |
| <#if type.major == "Fixed" || type.major == "Bit"> |
| if (initialized) { |
| if (in.isSet == 0 && previous.isSet == 0) { |
| out.value = 0; |
| } else if (in.value == previous.value) { |
| out.value = 0; |
| } else { |
| previous.value = in.value; |
| previous.isSet = in.isSet; |
| out.value = 1; |
| } |
| } else { |
| previous.value = in.value; |
| previous.isSet = in.isSet; |
| out.value = 1; |
| initialized = true; |
| } |
| </#if> |
| </#if> <#-- mode.name == "Optional" --> |
| } |
| } |
| </#if> <#-- minor.class.startWith --> |
| |
| </#if> <#-- mode.name --> |
| </#list> |
| </#list> |
| </#list> |
| } |