Fix jdbc-v2: build the getMetaData DESCRIBE query from the parser's placeholder positions - #3012

Fix jdbc-v2: build the getMetaData DESCRIBE query from the parser's placeholder positions#3012

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mainClickHouse/clickhouse-java:mainfrom

polyglot/jdbc-v2-getmetadata-param-positionsClickHouse/clickhouse-java:polyglot/jdbc-v2-getmetadata-param-positionsCopy head branch name to clipboard