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[Feature][Connector-V2] Jdbc connector support SAP HANA. (apache#3017)
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47 changes: 47 additions & 0 deletions
47
...g/apache/seatunnel/connectors/seatunnel/jdbc/internal/dialect/saphana/SapHanaDialect.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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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.saphana; | ||
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| import org.apache.seatunnel.connectors.seatunnel.jdbc.internal.converter.JdbcRowConverter; | ||
| import org.apache.seatunnel.connectors.seatunnel.jdbc.internal.dialect.JdbcDialect; | ||
| import org.apache.seatunnel.connectors.seatunnel.jdbc.internal.dialect.JdbcDialectTypeMapper; | ||
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| import java.util.Optional; | ||
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| public class SapHanaDialect implements JdbcDialect { | ||
| @Override | ||
| public String dialectName() { | ||
| return "SapHana"; | ||
| } | ||
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| @Override | ||
| public JdbcRowConverter getRowConverter() { | ||
| return new SapHanaJdbcRowConverter(); | ||
| } | ||
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| @Override | ||
| public JdbcDialectTypeMapper getJdbcDialectTypeMapper() { | ||
| return new SapHanaTypeMapper(); | ||
| } | ||
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| @Override | ||
| public Optional<String> getUpsertStatement(String tableName, String[] fieldNames, String[] uniqueKeyFields) { | ||
| return Optional.empty(); | ||
| } | ||
| } |
41 changes: 41 additions & 0 deletions
41
...e/seatunnel/connectors/seatunnel/jdbc/internal/dialect/saphana/SapHanaDialectFactory.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.saphana; | ||
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| import org.apache.seatunnel.connectors.seatunnel.jdbc.internal.dialect.JdbcDialect; | ||
| import org.apache.seatunnel.connectors.seatunnel.jdbc.internal.dialect.JdbcDialectFactory; | ||
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| import com.google.auto.service.AutoService; | ||
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| /** | ||
| * Dialect Factory of {@link SapHanaDialect} | ||
| */ | ||
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| @AutoService(JdbcDialectFactory.class) | ||
| public class SapHanaDialectFactory implements JdbcDialectFactory { | ||
| @Override | ||
| public boolean acceptsURL(String url) { | ||
| return url.startsWith("jdbc:sap://"); | ||
| } | ||
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| @Override | ||
| public JdbcDialect create() { | ||
| return new SapHanaDialect(); | ||
| } | ||
| } |
28 changes: 28 additions & 0 deletions
28
...seatunnel/connectors/seatunnel/jdbc/internal/dialect/saphana/SapHanaJdbcRowConverter.java
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| @@ -0,0 +1,28 @@ | ||
| /* | ||
| * 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.saphana; | ||
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| import org.apache.seatunnel.connectors.seatunnel.jdbc.internal.converter.AbstractJdbcRowConverter; | ||
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| public class SapHanaJdbcRowConverter extends AbstractJdbcRowConverter { | ||
| @Override | ||
| public String converterName() { | ||
| return "SapHana"; | ||
| } | ||
| } |
110 changes: 110 additions & 0 deletions
110
...pache/seatunnel/connectors/seatunnel/jdbc/internal/dialect/saphana/SapHanaTypeMapper.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,110 @@ | ||
| /* | ||
| * 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.saphana; | ||
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| import org.apache.seatunnel.api.table.type.BasicType; | ||
| import org.apache.seatunnel.api.table.type.DecimalType; | ||
| import org.apache.seatunnel.api.table.type.LocalTimeType; | ||
| import org.apache.seatunnel.api.table.type.PrimitiveByteArrayType; | ||
| import org.apache.seatunnel.api.table.type.SeaTunnelDataType; | ||
| import org.apache.seatunnel.connectors.seatunnel.jdbc.internal.dialect.JdbcDialectTypeMapper; | ||
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| import java.sql.ResultSetMetaData; | ||
| import java.sql.SQLException; | ||
| import java.util.Locale; | ||
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| public class SapHanaTypeMapper implements JdbcDialectTypeMapper { | ||
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| // refer to https://help.sap.com/docs/SAP_BUSINESSOBJECTS_BUSINESS_INTELLIGENCE_PLATFORM/aa4cb9ab429349e49678e146f05d7341/ec3313286fdb101497906a7cb0e91070.html?locale=zh-CN | ||
| private static final String SAP_HANA_BLOB = "blob"; | ||
| private static final String SAP_HANA_VARBINARY = "varbinary"; | ||
| private static final String SAP_HANA_DATE = "date"; | ||
| private static final String SAP_HANA_TIME = "time"; | ||
| private static final String SAP_HANA_LONGDATE = "longtime"; | ||
| private static final String SAP_HANA_SECONDDATE = "seconddate"; | ||
| private static final String SAP_HANA_TIMESTAMP = "timestamp"; | ||
| private static final String SAP_HANA_DECIMAL = "decimal"; | ||
| private static final String SAP_HANA_REAL = "real"; | ||
| private static final String SAP_HANA_SMALLDECIMAL = "smalldecimal"; | ||
| private static final String SAP_HANA_BIGINT = "bigint"; | ||
| private static final String SAP_HANA_INTEGER = "integer"; | ||
| private static final String SAP_HANA_SMALLINT = "smallint"; | ||
| private static final String SAP_HANA_TINYINT = "tinyint"; | ||
| private static final String SAP_HANA_DOUBLE = "double"; | ||
| private static final String SAP_HANA_CLOB = "clob"; | ||
| private static final String SAP_HANA_NCLOB = "nclob"; | ||
| private static final String SAP_HANA_TEXT = "text"; | ||
| private static final String SAP_HANA_ALPHANUM = "alphanum"; | ||
| private static final String SAP_HANA_NVARCHAR = "nvarchar"; | ||
| private static final String SAP_HANA_SHORTTEXT = "shorttext"; | ||
| private static final String SAP_HANA_VARCHAR = "varchar"; | ||
| private static final String SAP_HANA_BINARY = "binary"; | ||
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| @Override | ||
| public SeaTunnelDataType<?> mapping(ResultSetMetaData metadata, int colIndex) throws SQLException { | ||
| String typeName = metadata.getColumnTypeName(colIndex).toLowerCase(Locale.ROOT); | ||
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| int precision = metadata.getPrecision(colIndex); | ||
| int scale = metadata.getScale(colIndex); | ||
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| switch (typeName) { | ||
| case SAP_HANA_BLOB: | ||
| case SAP_HANA_VARBINARY: | ||
| case SAP_HANA_BINARY: | ||
| return PrimitiveByteArrayType.INSTANCE; | ||
| case SAP_HANA_DATE: | ||
| return LocalTimeType.LOCAL_DATE_TYPE; | ||
| case SAP_HANA_TIME: | ||
| return LocalTimeType.LOCAL_TIME_TYPE; | ||
| case SAP_HANA_TIMESTAMP: | ||
| case SAP_HANA_LONGDATE: | ||
| case SAP_HANA_SECONDDATE: | ||
| return LocalTimeType.LOCAL_DATE_TIME_TYPE; | ||
| case SAP_HANA_DECIMAL: | ||
| return new DecimalType(precision, scale); | ||
| case SAP_HANA_REAL: | ||
| case SAP_HANA_SMALLDECIMAL: | ||
| return BasicType.FLOAT_TYPE; | ||
| case SAP_HANA_BIGINT: | ||
| return BasicType.LONG_TYPE; | ||
| case SAP_HANA_INTEGER: | ||
| return BasicType.INT_TYPE; | ||
| case SAP_HANA_SMALLINT: | ||
| return BasicType.SHORT_TYPE; | ||
| case SAP_HANA_TINYINT: | ||
| return BasicType.BYTE_TYPE; | ||
| case SAP_HANA_DOUBLE: | ||
| return BasicType.DOUBLE_TYPE; | ||
| case SAP_HANA_CLOB: | ||
| case SAP_HANA_NCLOB: | ||
| case SAP_HANA_TEXT: | ||
| case SAP_HANA_ALPHANUM: | ||
| case SAP_HANA_NVARCHAR: | ||
| case SAP_HANA_SHORTTEXT: | ||
| case SAP_HANA_VARCHAR: | ||
| return BasicType.STRING_TYPE; | ||
| default: | ||
| final String jdbcColumnName = metadata.getColumnName(colIndex); | ||
| throw new UnsupportedOperationException( | ||
| String.format( | ||
| "Doesn't support SapHana type '%s' on column '%s' yet.", | ||
| typeName, jdbcColumnName)); | ||
| } | ||
| } | ||
| } |
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