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DRILL-3987: (REFACTOR) Common and Vector modules building.
- Extract Accountor interface from Implementation - Separate FMPP modules to separate out Vector Needs versus external needs - Separate out Vector classes from those that are VectorAccessible. - Cleanup Memory Exception hiearchy
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| /** | ||
| * 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. | ||
| */ | ||
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| import org.apache.drill.exec.vector.complex.UnionVector; | ||
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| <@pp.dropOutputFile /> | ||
| <@pp.changeOutputFile name="/org/apache/drill/exec/expr/TypeHelper.java" /> | ||
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| <#include "/@includes/license.ftl" /> | ||
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| package org.apache.drill.exec.expr; | ||
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| <#include "/@includes/vv_imports.ftl" /> | ||
| import org.apache.drill.common.expression.SchemaPath; | ||
| import org.apache.drill.common.types.TypeProtos.DataMode; | ||
| import org.apache.drill.common.types.TypeProtos.MinorType; | ||
| import org.apache.drill.common.types.TypeProtos.MajorType; | ||
| import org.apache.drill.exec.record.MaterializedField; | ||
| import org.apache.drill.exec.vector.accessor.*; | ||
| import org.apache.drill.exec.vector.complex.RepeatedMapVector; | ||
| import org.apache.drill.exec.util.CallBack; | ||
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| public class TypeHelper extends BasicTypeHelper{ | ||
| static final org.slf4j.Logger logger = org.slf4j.LoggerFactory.getLogger(TypeHelper.class); | ||
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| public static SqlAccessor getSqlAccessor(ValueVector vector){ | ||
| final MajorType type = vector.getField().getType(); | ||
| switch(type.getMinorType()){ | ||
| case UNION: | ||
| return new UnionSqlAccessor((UnionVector) vector); | ||
| <#list vv.types as type> | ||
| <#list type.minor as minor> | ||
| case ${minor.class?upper_case}: | ||
| switch (type.getMode()) { | ||
| case REQUIRED: | ||
| return new ${minor.class}Accessor((${minor.class}Vector) vector); | ||
| case OPTIONAL: | ||
| return new Nullable${minor.class}Accessor((Nullable${minor.class}Vector) vector); | ||
| case REPEATED: | ||
| return new GenericAccessor(vector); | ||
| } | ||
| </#list> | ||
| </#list> | ||
| case MAP: | ||
| case LIST: | ||
| return new GenericAccessor(vector); | ||
| } | ||
| throw new UnsupportedOperationException(buildErrorMessage("find sql accessor", type)); | ||
| } | ||
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| public static JType getHolderType(JCodeModel model, MinorType type, DataMode mode){ | ||
| switch (type) { | ||
| case UNION: | ||
| return model._ref(UnionHolder.class); | ||
| case MAP: | ||
| case LIST: | ||
| return model._ref(ComplexHolder.class); | ||
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| <#list vv.types as type> | ||
| <#list type.minor as minor> | ||
| case ${minor.class?upper_case}: | ||
| switch (mode) { | ||
| case REQUIRED: | ||
| return model._ref(${minor.class}Holder.class); | ||
| case OPTIONAL: | ||
| return model._ref(Nullable${minor.class}Holder.class); | ||
| case REPEATED: | ||
| return model._ref(Repeated${minor.class}Holder.class); | ||
| } | ||
| </#list> | ||
| </#list> | ||
| case GENERIC_OBJECT: | ||
| return model._ref(ObjectHolder.class); | ||
| default: | ||
| break; | ||
| } | ||
| throw new UnsupportedOperationException(buildErrorMessage("get holder type", type, mode)); | ||
| } | ||
|
|
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| } |
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