Fix client-v2: send null query parameter as \N sentinel - #2981

Fix client-v2: send null query parameter as \N sentinel#2981

chernser merged 2 commits into

mainClickHouse/clickhouse-java:mainfrom

polyglot/nullable-scalar-param-encodingClickHouse/clickhouse-java:polyglot/nullable-scalar-param-encodingCopy head branch name to clipboard