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feat: jdbc support copy in statement.
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201 changes: 201 additions & 0 deletions
201
...tunnel/connectors/seatunnel/jdbc/internal/executor/CopyManagerBatchStatementExecutor.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,201 @@ | ||
| /* | ||
| * 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.seatunnel.connectors.seatunnel.jdbc.internal.executor; | ||
|
|
||
| import org.apache.seatunnel.api.table.catalog.TableSchema; | ||
| import org.apache.seatunnel.api.table.type.SeaTunnelDataType; | ||
| import org.apache.seatunnel.api.table.type.SeaTunnelRow; | ||
| import org.apache.seatunnel.api.table.type.SeaTunnelRowType; | ||
| import org.apache.seatunnel.common.exception.CommonErrorCodeDeprecated; | ||
| import org.apache.seatunnel.connectors.seatunnel.jdbc.exception.JdbcConnectorErrorCode; | ||
| import org.apache.seatunnel.connectors.seatunnel.jdbc.exception.JdbcConnectorException; | ||
| import org.apache.seatunnel.connectors.seatunnel.jdbc.internal.connection.JdbcConnectionProvider; | ||
|
|
||
| import org.apache.commons.csv.CSVFormat; | ||
| import org.apache.commons.csv.CSVPrinter; | ||
|
|
||
| import java.io.IOException; | ||
| import java.io.StringReader; | ||
| import java.lang.reflect.InvocationTargetException; | ||
| import java.math.BigDecimal; | ||
| import java.sql.Connection; | ||
| import java.sql.SQLException; | ||
| import java.time.LocalDate; | ||
| import java.time.LocalDateTime; | ||
| import java.time.LocalTime; | ||
| import java.util.ArrayList; | ||
| import java.util.List; | ||
|
|
||
| public class CopyManagerBatchStatementExecutor implements JdbcBatchStatementExecutor<SeaTunnelRow> { | ||
|
|
||
| private final String copySql; | ||
| private final TableSchema tableSchema; | ||
| CopyManagerProxy copyManagerProxy; | ||
| CSVFormat csvFormat = CSVFormat.POSTGRESQL_CSV; | ||
| CSVPrinter csvPrinter; | ||
|
|
||
| public CopyManagerBatchStatementExecutor(String copySql, TableSchema tableSchema) { | ||
| this.copySql = copySql; | ||
| this.tableSchema = tableSchema; | ||
| } | ||
|
|
||
| public static void copyManagerProxyChecked(JdbcConnectionProvider connectionProvider) { | ||
| try (Connection connection = connectionProvider.getOrEstablishConnection()) { | ||
| new CopyManagerProxy(connection); | ||
| } catch (NoSuchMethodException | IllegalAccessException | InvocationTargetException e) { | ||
| throw new JdbcConnectorException( | ||
| JdbcConnectorErrorCode.NO_SUPPORT_OPERATION_FAILED, | ||
| "unable to open CopyManager Operation in this JDBC writer. Please configure option use_copy_statement = false.", | ||
| e); | ||
| } catch (ClassNotFoundException | SQLException e) { | ||
| throw new JdbcConnectorException( | ||
| JdbcConnectorErrorCode.CREATE_DRIVER_FAILED, "unable to open JDBC writer", e); | ||
| } | ||
| } | ||
|
|
||
| @Override | ||
| public void prepareStatements(Connection connection) throws SQLException { | ||
| try { | ||
| this.copyManagerProxy = new CopyManagerProxy(connection); | ||
| this.csvPrinter = new CSVPrinter(new StringBuilder(), csvFormat); | ||
| } catch (NoSuchMethodException | ||
| | IllegalAccessException | ||
| | InvocationTargetException | ||
| | IOException e) { | ||
| throw new JdbcConnectorException( | ||
| JdbcConnectorErrorCode.NO_SUPPORT_OPERATION_FAILED, | ||
| "unable to open CopyManager Operation in this JDBC writer. Please configure option use_copy_statement = false.", | ||
| e); | ||
| } catch (SQLException e) { | ||
| throw new JdbcConnectorException( | ||
| JdbcConnectorErrorCode.CREATE_DRIVER_FAILED, "unable to open JDBC writer", e); | ||
| } | ||
| } | ||
|
|
||
| @Override | ||
| public void addToBatch(SeaTunnelRow record) throws SQLException { | ||
| try { | ||
| this.csvPrinter.printRecord(toExtract(record)); | ||
| } catch (IOException e) { | ||
| throw new RuntimeException(e); | ||
| } | ||
| } | ||
|
|
||
| private List<Object> toExtract(SeaTunnelRow record) { | ||
| SeaTunnelRowType rowType = tableSchema.toPhysicalRowDataType(); | ||
| List<Object> csvRecord = new ArrayList<>(); | ||
| for (int fieldIndex = 0; fieldIndex < rowType.getTotalFields(); fieldIndex++) { | ||
| SeaTunnelDataType<?> seaTunnelDataType = rowType.getFieldType(fieldIndex); | ||
| Object fieldValue = record.getField(fieldIndex); | ||
| if (fieldValue == null) { | ||
| csvRecord.add(null); | ||
| continue; | ||
| } | ||
| switch (seaTunnelDataType.getSqlType()) { | ||
| case STRING: | ||
| csvRecord.add((String) record.getField(fieldIndex)); | ||
| break; | ||
| case BOOLEAN: | ||
| csvRecord.add((Boolean) record.getField(fieldIndex)); | ||
| break; | ||
| case TINYINT: | ||
| csvRecord.add((Byte) record.getField(fieldIndex)); | ||
| break; | ||
| case SMALLINT: | ||
| csvRecord.add((Short) record.getField(fieldIndex)); | ||
| break; | ||
| case INT: | ||
| csvRecord.add((Integer) record.getField(fieldIndex)); | ||
| break; | ||
| case BIGINT: | ||
| csvRecord.add((Long) record.getField(fieldIndex)); | ||
| break; | ||
| case FLOAT: | ||
| csvRecord.add((Float) record.getField(fieldIndex)); | ||
| break; | ||
| case DOUBLE: | ||
| csvRecord.add((Double) record.getField(fieldIndex)); | ||
| break; | ||
| case DECIMAL: | ||
| csvRecord.add((BigDecimal) record.getField(fieldIndex)); | ||
| break; | ||
| case DATE: | ||
| LocalDate localDate = (LocalDate) record.getField(fieldIndex); | ||
| csvRecord.add((java.sql.Date) java.sql.Date.valueOf(localDate)); | ||
| break; | ||
| case TIME: | ||
| LocalTime localTime = (LocalTime) record.getField(fieldIndex); | ||
| csvRecord.add((java.sql.Time) java.sql.Time.valueOf(localTime)); | ||
| break; | ||
| case TIMESTAMP: | ||
| LocalDateTime localDateTime = (LocalDateTime) record.getField(fieldIndex); | ||
| csvRecord.add((java.sql.Timestamp) java.sql.Timestamp.valueOf(localDateTime)); | ||
| break; | ||
| case BYTES: | ||
| csvRecord.add( | ||
| org.apache.commons.codec.binary.Base64.encodeBase64String( | ||
| (byte[]) record.getField(fieldIndex))); | ||
| break; | ||
| case NULL: | ||
| csvRecord.add(null); | ||
| break; | ||
| case MAP: | ||
| case ARRAY: | ||
| case ROW: | ||
| default: | ||
| throw new JdbcConnectorException( | ||
| CommonErrorCodeDeprecated.UNSUPPORTED_DATA_TYPE, | ||
| "Unexpected value: " + seaTunnelDataType); | ||
| } | ||
| } | ||
| return csvRecord; | ||
| } | ||
|
|
||
| @Override | ||
| public void executeBatch() throws SQLException { | ||
| try { | ||
| this.csvPrinter.flush(); | ||
| this.copyManagerProxy.doCopy( | ||
| copySql, new StringReader(this.csvPrinter.getOut().toString())); | ||
|
|
||
| } catch (InvocationTargetException e) { | ||
| throw new RuntimeException(e); | ||
| } catch (IllegalAccessException e) { | ||
| throw new RuntimeException(e); | ||
| } catch (IOException e) { | ||
| throw new RuntimeException(e); | ||
| } finally { | ||
| try { | ||
| this.csvPrinter.close(); | ||
| this.csvPrinter = new CSVPrinter(new StringBuilder(), csvFormat); | ||
| } catch (Exception e) { | ||
| throw new RuntimeException(e); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| @Override | ||
| public void closeStatements() throws SQLException { | ||
| this.copyManagerProxy = null; | ||
| try { | ||
| this.csvPrinter.close(); | ||
| this.csvPrinter = null; | ||
| } catch (IOException e) { | ||
| throw new RuntimeException(e); | ||
| } | ||
| } | ||
| } |
48 changes: 48 additions & 0 deletions
48
...va/org/apache/seatunnel/connectors/seatunnel/jdbc/internal/executor/CopyManagerProxy.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,48 @@ | ||
| /* | ||
| * 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.seatunnel.connectors.seatunnel.jdbc.internal.executor; | ||
|
|
||
| import java.io.Reader; | ||
| import java.lang.reflect.InvocationTargetException; | ||
| import java.lang.reflect.Method; | ||
| import java.sql.Connection; | ||
| import java.sql.SQLException; | ||
|
|
||
| class CopyManagerProxy { | ||
| Object connection; | ||
| Object copyManager; | ||
| Class<?> connectionClazz; | ||
| Class<?> copyManagerClazz; | ||
| Method getCopyAPIMethod; | ||
| Method copyInMethod; | ||
|
|
||
| CopyManagerProxy(Connection connection) | ||
| throws NoSuchMethodException, InvocationTargetException, IllegalAccessException, | ||
| SQLException { | ||
| this.connection = connection.unwrap(Connection.class); | ||
| this.connectionClazz = this.connection.getClass(); | ||
| this.getCopyAPIMethod = this.connectionClazz.getMethod("getCopyAPI"); | ||
| this.copyManager = this.getCopyAPIMethod.invoke(this.connection); | ||
| this.copyManagerClazz = this.copyManager.getClass(); | ||
| this.copyInMethod = this.copyManagerClazz.getMethod("copyIn", String.class, Reader.class); | ||
| } | ||
|
|
||
| long doCopy(String sql, Reader reader) | ||
| throws InvocationTargetException, IllegalAccessException { | ||
| return (long) this.copyInMethod.invoke(this.copyManager, sql, reader); | ||
| } | ||
| } |
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