CreateQuery test_multiple_array_join (children 3)
 Identifier test_multiple_array_join
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration id (children 1)
    DataType UInt64
   ColumnDeclaration person (children 1)
    DataType Nested (children 1)
     ExpressionList (children 2)
      NameTypePair name (children 1)
       DataType String
      NameTypePair surname (children 1)
       DataType String
   ColumnDeclaration properties (children 1)
    DataType Nested (children 1)
     ExpressionList (children 2)
      NameTypePair key (children 1)
       DataType String
      NameTypePair value (children 1)
       DataType String
 Storage definition (children 2)
  Function MergeTree
  Identifier id
