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[refactor](jdbc catalog) split trino jdbc executor (apache#34932)
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161
...e-java-extensions/jdbc-scanner/src/main/java/org/apache/doris/jdbc/TrinoJdbcExecutor.java
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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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| package org.apache.doris.jdbc; | ||
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| import org.apache.doris.common.jni.vec.ColumnType; | ||
| import org.apache.doris.common.jni.vec.ColumnType.Type; | ||
| import org.apache.doris.common.jni.vec.ColumnValueConverter; | ||
| import org.apache.doris.common.jni.vec.VectorTable; | ||
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|
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| import com.google.common.collect.Lists; | ||
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| import java.math.BigDecimal; | ||
| import java.sql.Array; | ||
| import java.sql.Date; | ||
| import java.sql.SQLException; | ||
| import java.sql.Timestamp; | ||
| import java.time.LocalDate; | ||
| import java.time.LocalDateTime; | ||
| import java.util.Arrays; | ||
| import java.util.Collections; | ||
| import java.util.List; | ||
|
|
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| public class TrinoJdbcExecutor extends BaseJdbcExecutor { | ||
| public TrinoJdbcExecutor(byte[] thriftParams) throws Exception { | ||
| super(thriftParams); | ||
| } | ||
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| @Override | ||
| protected void initializeBlock(int columnCount, String[] replaceStringList, int batchSizeNum, | ||
| VectorTable outputTable) { | ||
| for (int i = 0; i < columnCount; ++i) { | ||
| if (outputTable.getColumnType(i).getType() == Type.DATETIME | ||
| || outputTable.getColumnType(i).getType() == Type.DATETIMEV2) { | ||
| block.add(new Timestamp[batchSizeNum]); | ||
| } else if (outputTable.getColumnType(i).getType() == Type.ARRAY) { | ||
| block.add(new Object[batchSizeNum]); | ||
| } else { | ||
| block.add(outputTable.getColumn(i).newObjectContainerArray(batchSizeNum)); | ||
| } | ||
| } | ||
| } | ||
|
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| @Override | ||
| protected Object getColumnValue(int columnIndex, ColumnType type, String[] replaceStringList) throws SQLException { | ||
| switch (type.getType()) { | ||
| case BOOLEAN: | ||
| return resultSet.getObject(columnIndex + 1, Boolean.class); | ||
| case TINYINT: | ||
| return resultSet.getObject(columnIndex + 1, Byte.class); | ||
| case SMALLINT: | ||
| return resultSet.getObject(columnIndex + 1, Short.class); | ||
| case INT: | ||
| return resultSet.getObject(columnIndex + 1, Integer.class); | ||
| case BIGINT: | ||
| return resultSet.getObject(columnIndex + 1, Long.class); | ||
| case FLOAT: | ||
| return resultSet.getObject(columnIndex + 1, Float.class); | ||
| case DOUBLE: | ||
| return resultSet.getObject(columnIndex + 1, Double.class); | ||
| case DECIMALV2: | ||
| case DECIMAL32: | ||
| case DECIMAL64: | ||
| case DECIMAL128: | ||
| return resultSet.getObject(columnIndex + 1, BigDecimal.class); | ||
| case DATE: | ||
| case DATEV2: | ||
| return resultSet.getObject(columnIndex + 1, LocalDate.class); | ||
| case DATETIME: | ||
| case DATETIMEV2: | ||
| return resultSet.getObject(columnIndex + 1, Timestamp.class); | ||
| case CHAR: | ||
| case VARCHAR: | ||
| case STRING: | ||
| return resultSet.getObject(columnIndex + 1, String.class); | ||
| case ARRAY: { | ||
| Array array = resultSet.getArray(columnIndex + 1); | ||
| if (array == null) { | ||
| return null; | ||
| } | ||
| Object[] dataArray = (Object[]) array.getArray(); | ||
| if (dataArray.length == 0) { | ||
| return Collections.emptyList(); | ||
| } | ||
| return Arrays.asList(dataArray); | ||
| } | ||
| default: | ||
| throw new IllegalArgumentException("Unsupported column type: " + type.getType()); | ||
| } | ||
| } | ||
|
|
||
| @Override | ||
| protected ColumnValueConverter getOutputConverter(ColumnType columnType, String replaceString) { | ||
| switch (columnType.getType()) { | ||
| case DATETIME: | ||
| case DATETIMEV2: | ||
| return createConverter( | ||
| input -> ((Timestamp) input).toLocalDateTime(), java.time.LocalDateTime.class); | ||
| case ARRAY: | ||
| return createConverter( | ||
| input -> convertArray((List<?>) input, columnType.getChildTypes().get(0)), List.class); | ||
| default: | ||
| return null; | ||
| } | ||
| } | ||
|
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| private List<?> convertArray(List<?> array, ColumnType type) { | ||
| if (array == null) { | ||
| return null; | ||
| } | ||
| if (array.isEmpty()) { | ||
| return Collections.emptyList(); | ||
| } | ||
| switch (type.getType()) { | ||
| case DATE: | ||
| case DATEV2: { | ||
| List<LocalDate> result = Lists.newArrayList(); | ||
| for (Object element : array) { | ||
| result.add(element != null ? ((Date) element).toLocalDate() : null); | ||
| } | ||
| return result; | ||
| } | ||
| case DATETIME: | ||
| case DATETIMEV2: { | ||
| List<LocalDateTime> result = Lists.newArrayList(); | ||
| for (Object element : array) { | ||
| result.add(element != null ? ((Timestamp) element).toLocalDateTime() : null); | ||
| } | ||
| return result; | ||
| } | ||
| case ARRAY: { | ||
| List<List<?>> resultArray = Lists.newArrayList(); | ||
| for (Object element : array) { | ||
| if (element == null) { | ||
| resultArray.add(null); | ||
| } else { | ||
| resultArray.add( | ||
| Lists.newArrayList(convertArray((List<?>) element, type.getChildTypes().get(0)))); | ||
| } | ||
| } | ||
| return resultArray; | ||
| } | ||
| default: | ||
| return array; | ||
| } | ||
| } | ||
| } |
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