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[Feature-#1924][opengauss] Add opengauss connector
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@libailin
libailin authored and lihongwei committed Oct 16, 2024
1 parent 5432e78 commit 1c9d594
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62 changes: 62 additions & 0 deletions chunjun-connectors/chunjun-connector-opengauss/pom.xml
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<?xml version="1.0" encoding="UTF-8"?>
<!--
~ 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.
-->

<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<parent>
<artifactId>chunjun-connectors</artifactId>
<groupId>com.dtstack.chunjun</groupId>
<version>${revision}</version>
</parent>
<modelVersion>4.0.0</modelVersion>

<artifactId>chunjun-connector-opengauss</artifactId>
<name>ChunJun : Connector : openGauss</name>

<properties>
<connector.dir>opengauss</connector.dir>
</properties>

<dependencies>
<dependency>
<groupId>com.dtstack.chunjun</groupId>
<artifactId>chunjun-connector-jdbc-base</artifactId>
<version>${project.version}</version>
</dependency>
<!-- 建议从官网(https://opengauss.org/zh/download/)下载此驱动jar包，务必注意里面的正确包名是org.opengauss -->
<!-- mvn install:install-file -DgroupId=org.opengauss -DartifactId=opengauss-jdbc -Dversion=5.0.1 -Dpackaging=jar -Dfile=./opengauss-jdbc-5.0.1.jar -->
<!-- 注意：从maven中央仓库里下载的jar包里的包名可能是org.postgresql，这会导致与PostgreSQL Connector之间的JDBC驱动包名冲突。 -->
<dependency>
<groupId>org.opengauss</groupId>
<artifactId>opengauss-jdbc</artifactId>
<version>5.0.1</version>
</dependency>
</dependencies>

<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-antrun-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
206 changes: 206 additions & 0 deletions ...c/main/java/com/dtstack/chunjun/connector/opengauss/converter/OpengaussRawTypeMapper.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.
*/

package com.dtstack.chunjun.connector.opengauss.converter;

import com.dtstack.chunjun.config.TypeConfig;
import com.dtstack.chunjun.connector.opengauss.converter.logical.BitType;
import com.dtstack.chunjun.connector.opengauss.converter.logical.BoolType;
import com.dtstack.chunjun.connector.opengauss.converter.logical.BpcharType;
import com.dtstack.chunjun.connector.opengauss.converter.logical.ByteaType;
import com.dtstack.chunjun.connector.opengauss.converter.logical.CharType;
import com.dtstack.chunjun.connector.opengauss.converter.logical.DateType;
import com.dtstack.chunjun.connector.opengauss.converter.logical.Float4Type;
import com.dtstack.chunjun.connector.opengauss.converter.logical.Float8Type;
import com.dtstack.chunjun.connector.opengauss.converter.logical.Int2Type;
import com.dtstack.chunjun.connector.opengauss.converter.logical.Int4Type;
import com.dtstack.chunjun.connector.opengauss.converter.logical.Int8Type;
import com.dtstack.chunjun.connector.opengauss.converter.logical.JsonType;
import com.dtstack.chunjun.connector.opengauss.converter.logical.JsonbType;
import com.dtstack.chunjun.connector.opengauss.converter.logical.MoneyType;
import com.dtstack.chunjun.connector.opengauss.converter.logical.NameType;
import com.dtstack.chunjun.connector.opengauss.converter.logical.NumericType;
import com.dtstack.chunjun.connector.opengauss.converter.logical.OidType;
import com.dtstack.chunjun.connector.opengauss.converter.logical.PointType;
import com.dtstack.chunjun.connector.opengauss.converter.logical.TextType;
import com.dtstack.chunjun.connector.opengauss.converter.logical.TimeType;
import com.dtstack.chunjun.connector.opengauss.converter.logical.TimestampType;
import com.dtstack.chunjun.connector.opengauss.converter.logical.TimestampTzType;
import com.dtstack.chunjun.connector.opengauss.converter.logical.TimetzType;
import com.dtstack.chunjun.connector.opengauss.converter.logical.UuidType;
import com.dtstack.chunjun.connector.opengauss.converter.logical.VarbitType;
import com.dtstack.chunjun.connector.opengauss.converter.logical.VarcharType;
import com.dtstack.chunjun.connector.opengauss.converter.logical.XmlType;
import com.dtstack.chunjun.throwable.UnsupportedTypeException;

import org.apache.flink.table.api.DataTypes;
import org.apache.flink.table.types.AtomicDataType;
import org.apache.flink.table.types.DataType;
import org.apache.flink.table.types.logical.LogicalTypeRoot;

public class OpengaussRawTypeMapper {

/**
* https://docs-opengauss.osinfra.cn/zh/docs/5.0.0/docs/BriefTutorial/%E6%95%B0%E6%8D%AE%E7%B1%BB%E5%9E%8B.html
*
* @param type
*/
public static DataType apply(TypeConfig type) {
switch (type.getType()) {
case "BIT":
return new AtomicDataType(new BitType(true, LogicalTypeRoot.BOOLEAN, false));
case "BOOLEAN":
case "BOOL":
return DataTypes.BOOLEAN();
case "SMALLINT":
case "SMALLSERIAL":
case "INT2":
case "INT":
case "INTEGER":
case "SERIAL":
case "INT4":
return DataTypes.INT();
case "BIGINT":
case "BIGSERIAL":
case "OID":
case "INT8":
return DataTypes.BIGINT();
case "REAL":
case "FLOAT4":
return DataTypes.FLOAT();
case "FLOAT":
case "DOUBLE PRECISION":
case "FLOAT8":
return DataTypes.DOUBLE();
case "MONEY":
return new AtomicDataType(new MoneyType(true, LogicalTypeRoot.DOUBLE, false));
case "DECIMAL":
case "NUMERIC":
return type.toDecimalDataType();
case "CHARACTER VARYING":
case "VARCHAR":
case "CHARACTER":
case "CHAR":
case "TEXT":
case "NAME":
case "BPCHAR":
return DataTypes.STRING();
// Binary Data Types
case "BYTEA":
return DataTypes.BYTES();
case "VARBIT":
return new AtomicDataType(new VarbitType(true, LogicalTypeRoot.VARCHAR, false));
case "XML":
return new AtomicDataType(new XmlType(true, LogicalTypeRoot.VARCHAR, false));
case "UUID":
return new AtomicDataType(new UuidType(true, LogicalTypeRoot.VARCHAR, false));
case "POINT":
return new AtomicDataType(new PointType(true, LogicalTypeRoot.VARCHAR, false));
// Date/Time Types
case "ABSTIME":
case "TIMESTAMP":
case "TIMESTAMPTZ":
return type.toTimestampDataType(6);
case "DATE":
return DataTypes.DATE();
case "TIME":
case "TIMETZ":
// todo check sync
return type.toTimeDataType(6);
case "JSON":
return new AtomicDataType(new JsonType(true, LogicalTypeRoot.VARCHAR, false));
case "JSONB":
return new AtomicDataType(new JsonbType(true, LogicalTypeRoot.VARCHAR, false));
case "_BIT":
return new AtomicDataType(new BitType(true, LogicalTypeRoot.VARCHAR, true));
case "_BOOL":
return new AtomicDataType(new BoolType(true, LogicalTypeRoot.VARCHAR, true));
case "_INT2":
return new AtomicDataType(new Int2Type(true, LogicalTypeRoot.VARCHAR, true));
case "_INT4":
return new AtomicDataType(new Int4Type(true, LogicalTypeRoot.VARCHAR, true));
case "_INT8":
return new AtomicDataType(new Int8Type(true, LogicalTypeRoot.VARCHAR, true));
case "_FLOAT4":
return new AtomicDataType(new Float4Type(true, LogicalTypeRoot.VARCHAR, true));
case "_FLOAT8":
return new AtomicDataType(new Float8Type(true, LogicalTypeRoot.VARCHAR, true));
case "_NUMERIC":
return new AtomicDataType(new NumericType(true, LogicalTypeRoot.VARCHAR, true));
case "_TIME":
return new AtomicDataType(new TimeType(true, LogicalTypeRoot.VARCHAR, true));
case "_TIMETZ":
return new AtomicDataType(new TimetzType(true, LogicalTypeRoot.VARCHAR, true));
case "_TIMESTAMP":
return new AtomicDataType(new TimestampType(true, LogicalTypeRoot.VARCHAR, true));
case "_TIMESTAMPTZ":
return new AtomicDataType(new TimestampTzType(true, LogicalTypeRoot.VARCHAR, true));
case "_DATE":
return new AtomicDataType(new DateType(true, LogicalTypeRoot.VARCHAR, true));
case "_BYTEA":
return new AtomicDataType(new ByteaType(true, LogicalTypeRoot.VARCHAR, true));
case "_VARCHAR":
return new AtomicDataType(new VarcharType(true, LogicalTypeRoot.VARCHAR, true));
case "_OID":
return new AtomicDataType(new OidType(true, LogicalTypeRoot.VARCHAR, true));
case "_BPCHAR":
return new AtomicDataType(new BpcharType(true, LogicalTypeRoot.VARCHAR, true));
case "_TEXT":
return new AtomicDataType(new TextType(true, LogicalTypeRoot.VARCHAR, true));
case "_MONEY":
return new AtomicDataType(new MoneyType(true, LogicalTypeRoot.VARCHAR, true));
// case "_INTERVAL":
case "_CHAR":
return new AtomicDataType(new CharType(true, LogicalTypeRoot.VARCHAR, true));
case "_VARBIT":
return new AtomicDataType(new VarbitType(true, LogicalTypeRoot.VARCHAR, true));
case "_NAME":
return new AtomicDataType(new NameType(true, LogicalTypeRoot.VARCHAR, true));
case "_UUID":
return new AtomicDataType(new UuidType(true, LogicalTypeRoot.VARCHAR, true));
case "_XML":
return new AtomicDataType(new XmlType(true, LogicalTypeRoot.VARCHAR, true));
// case "_POINT":
// case "_JSONB":
// case "_JSON":
// case "_REF_CURSOR":

// 以下类型无法支持
// Enumerated Types

// Geometric Types
// case "LINE":
// case "LSEG":
// case "BOX":
// case "PATH":
// case "POLYGON":
// case "CIRCLE":

// Network Address Types

//
// // JSON Types
// case "JSONB":
// case "JSONPATH":
// return DataTypes.STRING();

default:
throw new UnsupportedTypeException(type);
}
}
}
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