CreateQuery array_jaccard_index (children 3)
 Identifier array_jaccard_index
 Columns definition (children 1)
  ExpressionList (children 1)
   ColumnDeclaration arr (children 1)
    DataType Array (children 1)
     ExpressionList (children 1)
      DataType UInt8
 Storage definition (children 2)
  Function MergeTree
  Identifier arr