CreateQuery perf_lc_num (children 3)
 Identifier perf_lc_num
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration num (children 1)
    DataType UInt8
   ColumnDeclaration arr (children 2)
    DataType Array (children 1)
     ExpressionList (children 1)
      DataType LowCardinality (children 1)
       ExpressionList (children 1)
        DataType Int64
    Function array (children 1)
     ExpressionList (children 1)
      Identifier num
 Storage definition (children 1)
  Function Log
