InsertQuery   (children 3)
 Function s3 (children 1)
  ExpressionList (children 4)
   Identifier s3_conn
   Function equals (children 1)
    ExpressionList (children 2)
     Identifier filename
     Literal \'half_baked\'
   Function equals (children 1)
    ExpressionList (children 2)
     Identifier format
     Identifier Parquet
   Function equals (children 1)
    ExpressionList (children 2)
     Identifier partition_strategy
     Literal \'hive\'
 Identifier year
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 1)
    ExpressionList (children 2)
     Literal UInt64_1 (alias key)
     Literal UInt64_2020 (alias year)
