flycash commented on issue #14061:
URL:
https://github.com/apache/shardingsphere/issues/14061#issuecomment-998815517
# Change Scope
I check the documents and the source code, and I may miss something, feel
free to let me know.
## Parser
### Add a new module shardingsphere-sql-parser-hbase
- antlr4: don't need to write all rules, can add more rules if needed
- hbase parser package:
- `HBaseLexer`
- `HBaseParser`
- `HBaseParserFacade`
- hbase visitor package:
- `HBaseDMLStatementSQLVisitor`: only support DML in phase1
- `HBaseStatementSQLVisitorFacade`
- resources: HBase SPI config
### Add a new package in shardingsphere-sql-parser-statement
Parse statements and segments
## Add a new DataType
- Implement `DatabaseType`
- Implement `DialectTableMetaDataLoader`
## Proxy
- Implement `DatabaseProtocolFrontendEngine`
- Implement `JDBCDriverURLRecognizer`
# Questions
I don't know if we can use some frameworks like [Apache
Phoenix](https://phoenix.apache.org/) to help us convert the SQL to HBase
queries. But if we choose to use Apache Phoenix, it looks like shardingsphere
only need to do a few things. Or shardingsphere has to "compiles it into a
series of HBase scans, and orchestrates the running of those scans to produce
regular JDBC result sets"
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