FlyingZC opened a new issue, #27820: URL: https://github.com/apache/shardingsphere/issues/27820
# Background Hi community, ShardingSphere parser engine helps users parse a SQL to get the AST (Abstract Syntax Tree) and visit this tree to get SQLStatement (Java Object). Currently, we are planning to enhance the support for openGauss SQL parsing in ShardingSphere. More details: https://shardingsphere.apache.org/document/current/en/reference/sharding/parse/ # Task This issue is to support more openGauss sql parse, as follows: ```sql DELETE a,b FROM tpcds.customer_address a,tpcds.customer_address_bak b where a.ca_address_sk = b.ca_address_sk and a.ca_address_sk < 50; ``` ```sql CREATE TABLE staff ( name VARCHAR(40), gender ENUM('male', 'female') ); INSERT INO staff (name, gender) VALUES ('Tom','male'), ('Jenny','female') SELECT name, gender FROM staff WHERE gender = 'male'; ``` ```sql INSERT INTO staff (name, size) VALUES ('Jone',1); SELECT name, gender FROM staff WHERE gender = 1; ``` ```sql INSERT INTO staff (name, gender) VALUES ('Lara',4); ERROR: enum order 4 out of the enum value size: 2 LINE 1: INSERT INTO staff (name, gender) VALUES ('Lara',4); ``` ```sql <?xml version="1.0" encoding="UTF-8"?> <ROOT> <!-- 整体信息 --> <CLUSTER> <!-- 数据库名称 --> <PARAM name="clusterName" value="Sample1" /> <!-- 数据库节点名称(hostname) --> <PARAM name="nodeNames" value="node1,node2,node3" /> <!-- 节点IP，与nodeNames一一对应 --> <PARAM name="backIp1s" value="192.168.0.11,192.168.0.12,192.168.0.13"/> <!-- 数据库安装目录--> <PARAM name="gaussdbAppPath" value="/opt/huawei/newsql/app" /> <!-- 日志目录--> <PARAM name="gaussdbLogPath" value="/opt/huawei/logs/gaussdb" /> <!-- 临时文件目录--> <PARAM name="tmpMppdbPath" value="/opt/huawei/logs/temp" /> <!--数据库工具目录--> <PARAM name="gaussdbToolPath" value="/opt/huawei/tools" /> <!-- 集群数据库类型，此处示例为非分布式，即集中式类型--> <PARAM name="clusterType" value="single-inst"/> <!-- 是否开启DCF模式, 开启：on，关闭：off --> <PARAM name="enable_dcf" value="on/off"/> <!-- DCF config配置信息 --> <PARAM name="dcf_config" value="[{"stream_id":1,"node_id":1,"ip":"192.168.0.11","port":17783,"role":"LEADER"},{"stream_id":1,"node_id":2,"ip":"192.168.0.12","port":17783,"role":"FOLLOWER"},{"stream_id":1,"node_id":3,"ip":"192.168.0.13","port":17783,"role":"FOLLOWER" ``` # Process 1. First confirm that this is a correct openGauss sql syntax, if not please leave a message under the issue and ignore it; 2. Compare SQL definitions in Official SQL Doc and ShardingSphere SQL Doc; 3. If there is any difference in ShardingSphere SQL Doc, please correct them by referring to the Official SQL Doc; 4. Run mvn install the current_file_module; 5. Check whether there are any exceptions. If indeed, please fix them. (Especially xxxVisitor.class); 6. Add new corresponding SQL case in SQL Cases and expected parsed result in Expected Statement XML; 7. Run SQLParserParameterizedTest to make sure no exceptions. # Relevant Skills 1. Master JAVA language 2. Have a basic understanding of Antlr `g4` file 3. Be familiar with openGauss SQLs -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
