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https://issues.apache.org/jira/browse/COMDEV-399?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17456123#comment-17456123
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Juan Pan edited comment on COMDEV-399 at 12/9/21, 3:32 AM:
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Hello, guys,
Recently I received some asking about this issue. Here is an update,
# This issue has been fixed by [~Liangda Wang]
# But if you still want to join, please visit
[#6480|https://github.com/apache/shardingsphere/issues/6480] or [#6478
|https://github.com/apache/shardingsphere/issues/6478]for other similar issues.
Please have my big welcome there.
Have a nice day.
was (Author: panjuan):
Hello, guys,
Recently I received some asking about this issue. Here is an update,
# This issue has been fixed by [~Liangda Wang]
# But if you still want to join, please visit
[#6480|https://github.com/apache/shardingsphere/issues/6480] or
[[#6478|https://github.com/apache/shardingsphere/issues/6478]|[https://github.com/apache/shardingsphere/issues/6478]|https://github.com/apache/shardingsphere/issues/6480]
[#6480|[https://github.com/apache/shardingsphere/issues/6480]] for other
similar issues.
Please have my big welcome there.
Have a nice day.
> Apache ShardingSphere: Proofread the DDL/TCL SQL definitions for
> ShardingSphere Parser
> --------------------------------------------------------------------------------------
>
> Key: COMDEV-399
> URL: https://issues.apache.org/jira/browse/COMDEV-399
> Project: Community Development
> Issue Type: Improvement
> Components: GSoC/Mentoring ideas
> Reporter: Juan Pan
> Priority: Major
> Labels: ShardingSphere, gsoc2021, mentor
>
> h3. Apache ShardingSphere
> Apache ShardingSphere is a distributed database middleware ecosystem,
> including 2 independent products, ShardingSphere JDBC and ShardingSphere
> Proxy presently. They all provide functions of data sharding, distributed
> transaction, and database orchestration.
> *Page*:
> [https://shardingsphere.apache.org|https://shardingsphere.apache.org/]
> *Github*: [https://github.com/apache/shardingsphere]
> h3. Background
> ShardingSphere parser engine helps users parse a SQL to get the AST (Abstract
> Syntax Tree) and visit this tree to get SQLStatement (Java Object). At
> present, this parser engine can handle SQLs for `MySQL`, `PostgreSQL`,
> `SQLServer` and `Oracle`, which means we have to understand different
> database dialect SQLs.
> *More details*:
> [https://shardingsphere.apache.org/document/current/en/features/sharding/principle/parse/]
> h3. Task
> This issue is to proofread the following definitions,
> - All the DDL SQL definitions for Oracle *except for* ALTER, DROP, CREATE
> and TRUNCATE.
> - All the TCL (Transaction Control Language) SQL definitions for Oracle
> You can *learn more*
> [here|https://docs.oracle.com/en/database/oracle/oracle-database/19/sqlrf/Types-of-SQL-Statements.html#GUID-2E008D4A-F6FD-4F34-9071-7E10419CA24D].
> As we have a basic [Oracle SQL syntax
> definitions|https://github.com/apache/shardingsphere/tree/master/shardingsphere-sql-parser/shardingsphere-sql-parser-dialect/shardingsphere-sql-parser-oracle/src/main/antlr4/imports/oracle]
> but do not keep in line with [Oracle
> DOC|https://docs.oracle.com/en/database/oracle/oracle-database/19/sqlqr/SQL-Statements.html#GUID-CE009C87-4AA6-45BF-9A0D-2B2C5FFB47B3],
> we need you to find out the vague SQL grammar definitions and correct them
> referring to Oracle DOC.
> *Notice*, when you review these target SQLs above, you will find that these
> definitions will involve some basic elements of Oracle SQL. No doubt, these
> elements are included in this task as well.
> h3. Relevant Skills
> 1. Master JAVA language
> 2. Have a basic understanding of Antlr g4 file
> 3. Be familiar with Oracle SQLs
> h3. Targets files
> 1. DDL SQLs g4 file:
> [https://github.com/apache/shardingsphere/blob/master/shardingsphere-sql-parser/shardingsphere-sql-parser-dialect/shardingsphere-sql-parser-oracle/src/main/antlr4/imports/oracle/DDLStatement.g4]
> 2. TCL SQLs g4 file:
>
> [https://github.com/apache/shardingsphere/blob/master/shardingsphere-sql-parser/shardingsphere-sql-parser-dialect/shardingsphere-sql-parser-oracle/src/main/antlr4/imports/oracle/TCLStatement.g4]
> 3. Basic elements g4 file:
> [https://github.com/apache/shardingsphere/blob/master/shardingsphere-sql-parser/shardingsphere-sql-parser-dialect/shardingsphere-sql-parser-oracle/src/main/antlr4/imports/oracle/BaseRule.g4]
> h3. References
> 1. Oracle SQL quick reference:
> [https://docs.oracle.com/en/database/oracle/oracle-database/19/sqlqr/SQL-Statements.html#GUID-1FA35EAD-AED2-4619-BFEE-348FF05D1F4A]
> 2. Detailed Oracle SQL info:
> [https://docs.oracle.com/pls/topic/lookup?ctx=en/database/oracle/oracle-database/19/sqlqr&id=SQLRF008]
> h3. Mentor
> Juan Pan, PMC of Apache ShardingSphere,
> [panj...@apache.org|mailto:panj...@apache.org]
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