a20a6d2bea
This PR does the following:
1. This PR is a substantial refactor of the JDBC client architecture. The previous monolithic JDBC client has been refactored into an abstract base class `JdbcClient`, and a set of database-specific subclasses (e.g., `JdbcMySQLClient`, `JdbcOracleClient`, etc.), and the JdbcClient required config, abstract into an object. This allows for improved modularity, easier addition of support for new databases, and cleaner, more maintainable code. This change is backward-compatible and does not affect existing functionality.
2. As a result of client refactoring, OceanBaseClient can automatically recognize the mode of operation as MySQL or Oracle, so we cancel the oceanbase_mode property in the Jdbc Catalog, but due to the cancellation of the property, When creating a single OceanBase Jdbc Table, the table type needs to be filled in as oceanbase(mysql mode) or oceanbase_oracle(oracle_mode). The above work is a change in the usage behavior, please note.
3. For the PostgreSQL Jdbc Catalog, I did two things:
1. The adaptation to MATERIALIZED VIEW and FOREIGN TABLE is added
2. Fixed reading jsonb, which had been incorrectly changed to json in a previous PR
4. fix some jdbc catalog test case
5. modify oceanbase jdbc doc
And,Thanks @wolfboys for the guidance
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