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[Bug] [connector-jdbc] Nullable Column source have null data could be…
… unexpected results. (apache#5560) (#5) Co-authored-by: MoSence <[email protected]>
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41 changes: 41 additions & 0 deletions
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...a/org/apache/seatunnel/connectors/seatunnel/jdbc/internal/dialect/DatabaseIdentifier.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,41 @@ | ||
| /* | ||
| * 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.dialect; | ||
|
|
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| public class DatabaseIdentifier { | ||
| public static final String DB_2 = "DB2"; | ||
| public static final String DAMENG = "Dameng"; | ||
| public static final String GBASE_8A = "Gbase8a"; | ||
| public static final String HIVE = "HIVE"; | ||
| public static final String INFORMIX = "Informix"; | ||
| public static final String KINGBASE = "KingBase"; | ||
| public static final String MYSQL = "MySQL"; | ||
| public static final String ORACLE = "Oracle"; | ||
| public static final String PHOENIX = "Phoenix"; | ||
| public static final String POSTGRESQL = "Postgres"; | ||
| public static final String REDSHIFT = "Redshift"; | ||
| public static final String SAP_HANA = "SapHana"; | ||
| public static final String SNOWFLAKE = "Snowflake"; | ||
| public static final String SQLITE = "Sqlite"; | ||
| public static final String SQLSERVER = "SqlServer"; | ||
| public static final String TABLE_STORE = "Tablestore"; | ||
| public static final String TERADATA = "Teradata"; | ||
| public static final String VERTICA = "Vertica"; | ||
| public static final String OCENABASE = "OceanBase"; | ||
| public static final String TIDB = "TiDB"; | ||
| } |
189 changes: 189 additions & 0 deletions
189
...atunnel/connectors/seatunnel/jdbc/internal/dialect/kingbase/KingbaseJdbcRowConverter.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.seatunnel.connectors.seatunnel.jdbc.internal.dialect.kingbase; | ||
|
|
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| 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.CommonErrorCode; | ||
| import org.apache.seatunnel.connectors.seatunnel.jdbc.exception.JdbcConnectorException; | ||
| import org.apache.seatunnel.connectors.seatunnel.jdbc.internal.converter.AbstractJdbcRowConverter; | ||
| import org.apache.seatunnel.connectors.seatunnel.jdbc.internal.dialect.DatabaseIdentifier; | ||
| import org.apache.seatunnel.connectors.seatunnel.jdbc.utils.JdbcUtils; | ||
|
|
||
| import java.math.BigDecimal; | ||
| import java.sql.Date; | ||
| import java.sql.PreparedStatement; | ||
| import java.sql.ResultSet; | ||
| import java.sql.SQLException; | ||
| import java.sql.Time; | ||
| import java.sql.Timestamp; | ||
| import java.time.LocalDate; | ||
| import java.time.LocalDateTime; | ||
| import java.time.LocalTime; | ||
| import java.util.Optional; | ||
|
|
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| public class KingbaseJdbcRowConverter extends AbstractJdbcRowConverter { | ||
|
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| @Override | ||
| public String converterName() { | ||
| return DatabaseIdentifier.KINGBASE; | ||
| } | ||
|
|
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| @Override | ||
| @SuppressWarnings("checkstyle:Indentation") | ||
| public SeaTunnelRow toInternal(ResultSet rs, SeaTunnelRowType typeInfo) throws SQLException { | ||
| Object[] fields = new Object[typeInfo.getTotalFields()]; | ||
| for (int fieldIndex = 0; fieldIndex < typeInfo.getTotalFields(); fieldIndex++) { | ||
| SeaTunnelDataType<?> seaTunnelDataType = typeInfo.getFieldType(fieldIndex); | ||
| int resultSetIndex = fieldIndex + 1; | ||
| switch (seaTunnelDataType.getSqlType()) { | ||
| case STRING: | ||
| fields[fieldIndex] = JdbcUtils.getString(rs, resultSetIndex); | ||
| break; | ||
| case BOOLEAN: | ||
| fields[fieldIndex] = JdbcUtils.getBoolean(rs, resultSetIndex); | ||
| break; | ||
| case TINYINT: | ||
| fields[fieldIndex] = JdbcUtils.getByte(rs, resultSetIndex); | ||
| break; | ||
| case SMALLINT: | ||
| fields[fieldIndex] = JdbcUtils.getShort(rs, resultSetIndex); | ||
| break; | ||
| case INT: | ||
| fields[fieldIndex] = JdbcUtils.getInt(rs, resultSetIndex); | ||
| break; | ||
| case BIGINT: | ||
| fields[fieldIndex] = JdbcUtils.getLong(rs, resultSetIndex); | ||
| break; | ||
| case FLOAT: | ||
| fields[fieldIndex] = JdbcUtils.getFloat(rs, resultSetIndex); | ||
| break; | ||
| case DOUBLE: | ||
| fields[fieldIndex] = JdbcUtils.getDouble(rs, resultSetIndex); | ||
| break; | ||
| case DECIMAL: | ||
| fields[fieldIndex] = JdbcUtils.getBigDecimal(rs, resultSetIndex); | ||
| break; | ||
| case DATE: | ||
| Date sqlDate = JdbcUtils.getDate(rs, resultSetIndex); | ||
| fields[fieldIndex] = | ||
| Optional.ofNullable(sqlDate).map(Date::toLocalDate).orElse(null); | ||
| break; | ||
| case TIME: | ||
| Time sqlTime = JdbcUtils.getTime(rs, resultSetIndex); | ||
| fields[fieldIndex] = | ||
| Optional.ofNullable(sqlTime).map(Time::toLocalTime).orElse(null); | ||
| break; | ||
| case TIMESTAMP: | ||
| Timestamp sqlTimestamp = JdbcUtils.getTimestamp(rs, resultSetIndex); | ||
| fields[fieldIndex] = | ||
| Optional.ofNullable(sqlTimestamp) | ||
| .map(Timestamp::toLocalDateTime) | ||
| .orElse(null); | ||
| break; | ||
| case BYTES: | ||
| fields[fieldIndex] = JdbcUtils.getBytes(rs, resultSetIndex); | ||
| break; | ||
| case NULL: | ||
| fields[fieldIndex] = null; | ||
| break; | ||
| case ROW: | ||
| case MAP: | ||
| case ARRAY: | ||
| default: | ||
| throw new JdbcConnectorException( | ||
| CommonErrorCode.UNSUPPORTED_DATA_TYPE, | ||
| "Unexpected value: " + seaTunnelDataType); | ||
| } | ||
| } | ||
| return new SeaTunnelRow(fields); | ||
| } | ||
|
|
||
| @Override | ||
| public PreparedStatement toExternal( | ||
| SeaTunnelRowType rowType, SeaTunnelRow row, PreparedStatement statement) | ||
| throws SQLException { | ||
| for (int fieldIndex = 0; fieldIndex < rowType.getTotalFields(); fieldIndex++) { | ||
| SeaTunnelDataType<?> seaTunnelDataType = rowType.getFieldType(fieldIndex); | ||
| int statementIndex = fieldIndex + 1; | ||
| Object fieldValue = row.getField(fieldIndex); | ||
| if (fieldValue == null) { | ||
| statement.setObject(statementIndex, null); | ||
| continue; | ||
| } | ||
|
|
||
| switch (seaTunnelDataType.getSqlType()) { | ||
| case STRING: | ||
| statement.setString(statementIndex, (String) row.getField(fieldIndex)); | ||
| break; | ||
| case BOOLEAN: | ||
| statement.setBoolean(statementIndex, (Boolean) row.getField(fieldIndex)); | ||
| break; | ||
| case TINYINT: | ||
| statement.setByte(statementIndex, (Byte) row.getField(fieldIndex)); | ||
| break; | ||
| case SMALLINT: | ||
| statement.setShort(statementIndex, (Short) row.getField(fieldIndex)); | ||
| break; | ||
| case INT: | ||
| statement.setInt(statementIndex, (Integer) row.getField(fieldIndex)); | ||
| break; | ||
| case BIGINT: | ||
| statement.setLong(statementIndex, (Long) row.getField(fieldIndex)); | ||
| break; | ||
| case FLOAT: | ||
| statement.setFloat(statementIndex, (Float) row.getField(fieldIndex)); | ||
| break; | ||
| case DOUBLE: | ||
| statement.setDouble(statementIndex, (Double) row.getField(fieldIndex)); | ||
| break; | ||
| case DECIMAL: | ||
| statement.setBigDecimal(statementIndex, (BigDecimal) row.getField(fieldIndex)); | ||
| break; | ||
| case DATE: | ||
| LocalDate localDate = (LocalDate) row.getField(fieldIndex); | ||
| statement.setDate(statementIndex, java.sql.Date.valueOf(localDate)); | ||
| break; | ||
| case TIME: | ||
| LocalTime localTime = (LocalTime) row.getField(fieldIndex); | ||
| statement.setTime(statementIndex, java.sql.Time.valueOf(localTime)); | ||
| break; | ||
| case TIMESTAMP: | ||
| LocalDateTime localDateTime = (LocalDateTime) row.getField(fieldIndex); | ||
| statement.setTimestamp( | ||
| statementIndex, java.sql.Timestamp.valueOf(localDateTime)); | ||
| break; | ||
| case BYTES: | ||
| statement.setBytes(statementIndex, (byte[]) row.getField(fieldIndex)); | ||
| break; | ||
| case NULL: | ||
| statement.setNull(statementIndex, java.sql.Types.NULL); | ||
| break; | ||
| case ROW: | ||
| case MAP: | ||
| case ARRAY: | ||
| default: | ||
| throw new JdbcConnectorException( | ||
| CommonErrorCode.UNSUPPORTED_DATA_TYPE, | ||
| "Unexpected value: " + seaTunnelDataType); | ||
| } | ||
| } | ||
| return statement; | ||
| } | ||
| } |
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