davidzollo commented on code in PR #10099: URL: https://github.com/apache/seatunnel/pull/10099#discussion_r2581207696
########## seatunnel-connectors-v2/connector-jdbc/src/main/java/org/apache/seatunnel/connectors/seatunnel/jdbc/internal/executor/SqlserverBulkCopyBatchStatementExecutor.java: ########## @@ -0,0 +1,220 @@ +/* + * 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.Column; +import org.apache.seatunnel.api.table.type.SeaTunnelDataType; +import org.apache.seatunnel.api.table.type.SeaTunnelRow; +import org.apache.seatunnel.common.exception.CommonErrorCode; +import org.apache.seatunnel.common.exception.SeaTunnelRuntimeException; +import org.apache.seatunnel.connectors.seatunnel.jdbc.exception.JdbcConnectorErrorCode; +import org.apache.seatunnel.connectors.seatunnel.jdbc.exception.JdbcConnectorException; + +import com.microsoft.sqlserver.jdbc.ISQLServerBulkData; +import com.microsoft.sqlserver.jdbc.SQLServerBulkCopy; +import com.microsoft.sqlserver.jdbc.SQLServerBulkCopyOptions; +import lombok.NonNull; +import lombok.SneakyThrows; +import lombok.extern.slf4j.Slf4j; + +import java.sql.Connection; +import java.sql.ResultSetMetaData; +import java.sql.SQLException; +import java.util.ArrayList; +import java.util.HashMap; +import java.util.Iterator; +import java.util.LinkedHashSet; +import java.util.List; +import java.util.Map; +import java.util.Set; + +@Slf4j +public class SqlserverBulkCopyBatchStatementExecutor + implements JdbcBatchStatementExecutor<SeaTunnelRow> { + + @NonNull private final String schemaTableName; + @NonNull private final List<Column> columns; + @NonNull private final List<Object[]> buffer = new ArrayList<>(); + + private Connection connection; + private ResultSetMetaData resultSetMetaData; + + public SqlserverBulkCopyBatchStatementExecutor(String schemaTableName, List<Column> columns) { + this.columns = columns; + this.schemaTableName = schemaTableName; + } + + @Override + public void prepareStatements(Connection connection) throws SQLException { + this.connection = connection.unwrap(com.microsoft.sqlserver.jdbc.SQLServerConnection.class); + this.connection.setAutoCommit(false); + this.resultSetMetaData = getResultSetMetaData(this.connection, schemaTableName); + } + + @Override + public void addToBatch(SeaTunnelRow record) throws SQLException { + Object[] rowData = new Object[columns.size()]; + for (int i = 0; i < columns.size(); i++) { + Object field = record.getField(i); + SeaTunnelDataType<?> type = columns.get(i).getDataType(); + switch (type.getSqlType()) { + case DATE: + rowData[i] = + field == null + ? null + : java.sql.Date.valueOf((java.time.LocalDate) field); + break; + case TIME: + rowData[i] = + field == null + ? null + : java.sql.Time.valueOf((java.time.LocalTime) field); + break; + case TIMESTAMP: + rowData[i] = + field == null + ? null + : java.sql.Timestamp.valueOf((java.time.LocalDateTime) field); + break; + default: + rowData[i] = field; + } + } + buffer.add(rowData); + } + + @Override + public void executeBatch() throws SQLException { + if (!buffer.isEmpty()) { + executeBatchInternal(); + } + } + + private void executeBatchInternal() { + try (SQLServerBulkCopy bulkCopy = new SQLServerBulkCopy(connection)) { + bulkCopy.setDestinationTableName(schemaTableName); + // BulkCopy config + SQLServerBulkCopyOptions options = new SQLServerBulkCopyOptions(); + options.setTableLock(true); + options.setUseInternalTransaction(false); + options.setCheckConstraints(false); + options.setFireTriggers(false); + options.setBatchSize(buffer.size()); + bulkCopy.setBulkCopyOptions(options); + long start = System.currentTimeMillis(); + bulkCopy.writeToServer(new MemoryBulkData(resultSetMetaData, buffer)); + connection.commit(); + log.info( + "Bulk copied {} rows to table {}, cost {}s", + buffer.size(), + schemaTableName, + (System.currentTimeMillis() - start) / 1000); + buffer.clear(); + } catch (SQLException e) { + try { + connection.rollback(); + } catch (SQLException rollbackEx) { + log.error("Failed to rollback", rollbackEx); + } + throw new JdbcConnectorException( + JdbcConnectorErrorCode.TRANSACTION_OPERATION_FAILED, e); + } + } + + @Override + public void closeStatements() throws SQLException { + executeBatch(); + } + + private ResultSetMetaData getResultSetMetaData(Connection connection, String schemaTableName) { + final String[] split = schemaTableName.split("\\."); + if (split.length != 2) { + Map<String, String> params = new HashMap<>(); + params.put("value", schemaTableName); + throw new SeaTunnelRuntimeException(CommonErrorCode.SEATUNNEL_CONFIG_ERROR, params); + } + String queryMeta = + String.format("select * from \"%s\".\"%s\" where 1=0", split[0], split[1]); + try { + return connection.createStatement().executeQuery(queryMeta).getMetaData(); + } catch (SQLException e) { + throw new SeaTunnelRuntimeException( + JdbcConnectorErrorCode.NO_SUPPORT_OPERATION_FAILED, + "get meta data fail:" + schemaTableName); + } Review Comment: ```suggestion try (Statement statement = connection.createStatement(); ResultSet resultSet = statement.executeQuery(queryMeta)) { return resultSet.getMetaData(); } catch (SQLException e) { throw new SeaTunnelRuntimeException( JdbcConnectorErrorCode.NO_SUPPORT_OPERATION_FAILED, "get meta data fail: " + schemaTableName, e); } ``` -- This is an automated message from the Apache Git Service. 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