CreateQuery 02680_datetime_monotonic_check_lc (children 3)
 Identifier 02680_datetime_monotonic_check_lc
 Columns definition (children 1)
  ExpressionList (children 1)
   ColumnDeclaration timestamp (children 1)
    DataType LowCardinality (children 1)
     ExpressionList (children 1)
      DataType UInt32
 Storage definition (children 3)
  Function MergeTree
  Identifier timestamp
  Set
