Maksim Liksakov

[DOP-15749] - separate ReadOptions into ReadOptions and SQLOptions

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## Change Summary - ``ReadOptions`` and ``SQLOptions`` have been separated for JDBC connections. ``SQLOptions`` is now required for ``.sql`` method calls - Add following tests and documentation ## Related issue...

Connector does not work in local Spark mode

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# Description The Spark-Greenplum connector does not work correctly in local Spark mode (local-master). When performing read operations, there is a significant waiting time, and write operations crash with a...

ClassCastException in Spark when retrieving arrays from ClickHouse via clickhouse-java driver

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### Describe the bug In the current implementation of Spark when working with arrays of data returned from ClickHouse through the clickhouse-java driver, there is a type conversion error. When...

Return java.sql.Struct for Tuple types instead of java.util.ArrayList in ClickHouse JDBC driver

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Currently, the ClickHouse JDBC driver returns `java.util.ArrayList` for `Tuple` types within `ClickHouseTupleValue`. This can create complications when integrating with java applications that interact with JDBC and expect structured data to...