| /* |
| * 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. |
| */ |
| |
| package org.apache.iotdb.db.queryengine.transformation.dag.column.unary; |
| |
| import org.apache.iotdb.db.exception.sql.SemanticException; |
| import org.apache.iotdb.db.queryengine.transformation.dag.column.ColumnTransformer; |
| |
| import org.apache.tsfile.block.column.Column; |
| import org.apache.tsfile.block.column.ColumnBuilder; |
| import org.apache.tsfile.common.conf.TSFileConfig; |
| import org.apache.tsfile.read.common.type.Type; |
| import org.apache.tsfile.read.common.type.TypeEnum; |
| |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| public class InColumnTransformer extends UnaryColumnTransformer { |
| private final Satisfy satisfy; |
| |
| private final TypeEnum childType; |
| |
| private Set<Integer> intSet; |
| private Set<Long> longSet; |
| private Set<Float> floatSet; |
| private Set<Double> doubleSet; |
| private Set<Boolean> booleanSet; |
| private Set<String> stringSet; |
| |
| public InColumnTransformer( |
| Type returnType, |
| ColumnTransformer childColumnTransformer, |
| boolean isNotIn, |
| Set<String> values) { |
| super(returnType, childColumnTransformer); |
| satisfy = isNotIn ? new NotInSatisfy() : new InSatisfy(); |
| this.childType = |
| childColumnTransformer.getType() == null |
| ? null |
| : childColumnTransformer.getType().getTypeEnum(); |
| initTypedSet(values); |
| } |
| |
| @Override |
| protected void doTransform(Column column, ColumnBuilder columnBuilder) { |
| for (int i = 0, n = column.getPositionCount(); i < n; i++) { |
| if (!column.isNull(i)) { |
| switch (childType) { |
| case INT32: |
| returnType.writeBoolean(columnBuilder, satisfy.of(column.getInt(i))); |
| break; |
| case INT64: |
| returnType.writeBoolean(columnBuilder, satisfy.of(column.getLong(i))); |
| break; |
| case FLOAT: |
| returnType.writeBoolean(columnBuilder, satisfy.of(column.getFloat(i))); |
| break; |
| case DOUBLE: |
| returnType.writeBoolean(columnBuilder, satisfy.of(column.getDouble(i))); |
| break; |
| case BOOLEAN: |
| returnType.writeBoolean(columnBuilder, satisfy.of(column.getBoolean(i))); |
| break; |
| case BINARY: |
| returnType.writeBoolean( |
| columnBuilder, |
| satisfy.of(column.getBinary(i).getStringValue(TSFileConfig.STRING_CHARSET))); |
| break; |
| default: |
| throw new UnsupportedOperationException("unsupported data type: " + childType); |
| } |
| } else { |
| columnBuilder.appendNull(); |
| } |
| } |
| } |
| |
| private void initTypedSet(Set<String> values) { |
| if (childType == null) { |
| return; |
| } |
| String errorMsg = "\"%s\" cannot be cast to [%s]"; |
| switch (childType) { |
| case INT32: |
| intSet = new HashSet<>(); |
| for (String value : values) { |
| try { |
| intSet.add(Integer.valueOf(value)); |
| } catch (IllegalArgumentException e) { |
| throw new SemanticException(String.format(errorMsg, value, childType)); |
| } |
| } |
| break; |
| case INT64: |
| longSet = new HashSet<>(); |
| for (String value : values) { |
| try { |
| longSet.add(Long.valueOf(value)); |
| } catch (IllegalArgumentException e) { |
| throw new SemanticException(String.format(errorMsg, value, childType)); |
| } |
| } |
| break; |
| case FLOAT: |
| floatSet = new HashSet<>(); |
| for (String value : values) { |
| try { |
| floatSet.add(Float.valueOf(value)); |
| } catch (IllegalArgumentException e) { |
| throw new SemanticException(String.format(errorMsg, value, childType)); |
| } |
| } |
| break; |
| case DOUBLE: |
| doubleSet = new HashSet<>(); |
| for (String value : values) { |
| try { |
| doubleSet.add(Double.valueOf(value)); |
| } catch (IllegalArgumentException e) { |
| throw new SemanticException(String.format(errorMsg, value, childType)); |
| } |
| } |
| break; |
| case BOOLEAN: |
| booleanSet = new HashSet<>(); |
| for (String value : values) { |
| booleanSet.add(strictCastToBool(value)); |
| } |
| break; |
| case BINARY: |
| stringSet = values; |
| break; |
| default: |
| throw new UnsupportedOperationException("unsupported data type: " + childType); |
| } |
| } |
| |
| private boolean strictCastToBool(String s) { |
| if ("true".equalsIgnoreCase(s)) { |
| return true; |
| } else if ("false".equalsIgnoreCase(s)) { |
| return false; |
| } |
| throw new SemanticException(String.format("\"%s\" cannot be cast to [BOOLEAN]", s)); |
| } |
| |
| private interface Satisfy { |
| |
| boolean of(int intValue); |
| |
| boolean of(long longValue); |
| |
| boolean of(float floatValue); |
| |
| boolean of(double doubleValue); |
| |
| boolean of(boolean booleanValue); |
| |
| boolean of(String stringValue); |
| } |
| |
| private class InSatisfy implements Satisfy { |
| |
| @Override |
| public boolean of(int intValue) { |
| return intSet.contains(intValue); |
| } |
| |
| @Override |
| public boolean of(long longValue) { |
| return longSet.contains(longValue); |
| } |
| |
| @Override |
| public boolean of(float floatValue) { |
| return floatSet.contains(floatValue); |
| } |
| |
| @Override |
| public boolean of(double doubleValue) { |
| return doubleSet.contains(doubleValue); |
| } |
| |
| @Override |
| public boolean of(boolean booleanValue) { |
| return booleanSet.contains(booleanValue); |
| } |
| |
| @Override |
| public boolean of(String stringValue) { |
| return stringSet.contains(stringValue); |
| } |
| } |
| |
| private class NotInSatisfy implements Satisfy { |
| |
| @Override |
| public boolean of(int intValue) { |
| return !intSet.contains(intValue); |
| } |
| |
| @Override |
| public boolean of(long longValue) { |
| return !longSet.contains(longValue); |
| } |
| |
| @Override |
| public boolean of(float floatValue) { |
| return !floatSet.contains(floatValue); |
| } |
| |
| @Override |
| public boolean of(double doubleValue) { |
| return !doubleSet.contains(doubleValue); |
| } |
| |
| @Override |
| public boolean of(boolean booleanValue) { |
| return !booleanSet.contains(booleanValue); |
| } |
| |
| @Override |
| public boolean of(String stringValue) { |
| return !stringSet.contains(stringValue); |
| } |
| } |
| } |