== Physical Plan ==
* Scan JDBCRelation((SELECT DISTINCT brand_context_id FROM dbo.vw_Ai_Chat_subscribed_brand) AS t) [numPartitions=1] (1)
(1) Scan JDBCRelation((SELECT DISTINCT brand_context_id FROM dbo.vw_Ai_Chat_subscribed_brand) AS t) [numPartitions=1] [codegen id : 1]
Output [1]: [brand_context_id#11240773]
ReadSchema: struct<brand_context_id:string>