davidzollo commented on code in PR #10099: URL: https://github.com/apache/seatunnel/pull/10099#discussion_r2565302532
########## seatunnel-connectors-v2/connector-jdbc/src/main/java/org/apache/seatunnel/connectors/seatunnel/jdbc/internal/executor/SqlserverBulkCopyBatchStatementExecutor.java: ########## @@ -0,0 +1,231 @@ +/* + * 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.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.SQLException; +import java.util.ArrayList; +import java.util.HashSet; +import java.util.Iterator; +import java.util.List; +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 String driverClassName; + @NonNull private final List<Object[]> buffer = new ArrayList<>(); + + private Connection connection; + + public SqlserverBulkCopyBatchStatementExecutor( + String schemaTableName, List<Column> columns, String driverClassName) { + this.columns = columns; + this.schemaTableName = schemaTableName; + this.driverClassName = driverClassName; + } + + @SneakyThrows + @Override + public void prepareStatements(Connection connection) throws SQLException { + final Class<?> driverClass = this.getClass().getClassLoader().loadClass(driverClassName); + this.connection = (Connection) connection.unwrap(driverClass); + this.connection.setAutoCommit(false); + } + + @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() throws SQLException { + 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(columns, buffer)); + connection.commit(); + log.info( + "Bulk copied {} rows to table {}, cost {}s", + buffer.size(), + schemaTableName, + (System.currentTimeMillis() - start) / 1000); + buffer.clear(); + } + + @Override + public void closeStatements() throws SQLException { + executeBatch(); + } + + static class MemoryBulkData implements ISQLServerBulkData { + private final List<Column> columns; + private final Iterator<Object[]> iterator; + private Object[] current; + + public MemoryBulkData(List<Column> columns, List<Object[]> rows) { + this.columns = columns; + this.iterator = rows.iterator(); + } + + @Override + public Set<Integer> getColumnOrdinals() { + Set<Integer> ordinals = new HashSet<>(); + for (int i = 1; i <= columns.size(); i++) ordinals.add(i); + return ordinals; + } + + @Override + public Object[] getRowData() { + return current; + } + + @Override + public boolean next() { + if (iterator.hasNext()) { + current = iterator.next(); + return true; + } + return false; + } + + @Override + public String getColumnName(int column) { + return columns.get(column - 1).getName(); + } + + @Override + public int getColumnType(int column) { + SeaTunnelDataType<?> type = columns.get(column - 1).getDataType(); + String columnName = columns.get(column - 1).getName(); + switch (type.getSqlType()) { + case STRING: + return java.sql.Types.VARCHAR; + case BOOLEAN: + return java.sql.Types.BIT; + case TINYINT: + return java.sql.Types.TINYINT; + case SMALLINT: + return java.sql.Types.SMALLINT; + case INT: + return java.sql.Types.INTEGER; + case BIGINT: + return java.sql.Types.BIGINT; + case FLOAT: + return java.sql.Types.FLOAT; + case DOUBLE: + return java.sql.Types.DOUBLE; + case DECIMAL: + return java.sql.Types.DECIMAL; + case DATE: + return java.sql.Types.DATE; + case TIME: + return java.sql.Types.TIME; + case TIMESTAMP: + return java.sql.Types.TIMESTAMP; + case BYTES: + return java.sql.Types.VARBINARY; + case NULL: + return java.sql.Types.NULL; + default: + throw new JdbcConnectorException( + CommonErrorCode.UNSUPPORTED_DATA_TYPE, + "Unexpected columnName: " + columnName); + } + } + + @Override + public int getPrecision(int column) { + final Column columnImpl = columns.get(column - 1); + final SeaTunnelDataType<?> dataType = columnImpl.getDataType(); + switch (dataType.getSqlType()) { + case DECIMAL: + return 38; + case STRING: + return Math.toIntExact(columnImpl.getColumnLength()); + case TIMESTAMP: + case DATE: + case TIME: + return 23; + default: + return 0; + } + } + + @Override + public int getScale(int column) { + return 8; + } Review Comment: Should use the actual scale -- This is an automated message from the Apache Git Service. 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