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Add useNativeQueryExplain in sql query context documentation (#12924) (#12934)

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Co-authored-by: Petar Petrov <petar.petrov@system73.com>
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Petar Petrov 2022-08-22 11:01:15 +00:00 committed by GitHub
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docs/querying/sql-query-context.md
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@ -42,6 +42,7 @@ Configure Druid SQL query planning using the parameters in the table below.
|`useGroupingSetForExactDistinct`|Whether to use grouping sets to execute queries with multiple exact distinct aggregations.|druid.sql.planner.useGroupingSetForExactDistinct on the Broker (default: false)|
|`useApproximateTopN`|Whether to use approximate [TopN queries](topnquery.md) when a SQL query could be expressed as such. If false, exact [GroupBy queries](groupbyquery.md) will be used instead.|druid.sql.planner.useApproximateTopN on the Broker (default: true)|
|`enableTimeBoundaryPlanning`|If true, SQL queries will get converted to TimeBoundary queries wherever possible. TimeBoundary queries are very efficient for min-max calculation on __time column in a datasource |druid.query.default.context.enableTimeBoundaryPlanning on the Broker (default: false)|
|`useNativeQueryExplain`|If true, `EXPLAIN PLAN FOR` will return the explain plan as a JSON representation of equivalent native query(s), else it will return the original version of explain plan generated by Calcite.|druid.sql.planner.useNativeQueryExplain on the Broker (default: False)|
## Setting the query context
The query context parameters can be specified as a "context" object in the [JSON API](sql-api.md) or as a [JDBC connection properties object](sql-jdbc.md).
@ -72,4 +73,3 @@ try (Connection connection = DriverManager.getConnection(url, connectionProperti
// create and execute statements, process result sets, etc
}
```