Jeongdae Kim

## What changes were proposed in this pull request? - an improvement : In multiple hue/hive instance environment, hive connections from all hue instances are established to the same hive...

HIVE-28347: Make a UDAF 'collect_set' work with complex types, even when map-side aggregation is disabled.

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### What changes were proposed in this pull request? UDAFs, collect_set and collect_list, won't work with complex types, if map-side aggregation is disabled. This PR will fix this bug. ###...

Set resourceGroupQueryType as String not Optional

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https://github.com/trinodb/trino-gateway/blob/7b2bbde37af1f11379ebe417bf13a42d417725c3/gateway-ha/src/main/java/io/trino/gateway/ha/router/TrinoQueryProperties.java#L189 [StatementUtils.getQueryType returns Optional] (https://github.com/trinodb/trino/blob/c751cf5a500af61ff43b3ab0abd6d07b40cd7148/core/trino-main/src/main/java/io/trino/util/StatementUtils.java#L251), so resourceGroupQueryType will be Optional.toString not QueryType.toString, like `Optional[...]`.