CreateQuery lwd_test_02521 (children 3)
 Identifier lwd_test_02521
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration id (children 1)
    DataType UInt64
   ColumnDeclaration value (children 1)
    DataType String
   ColumnDeclaration event_time (children 1)
    DataType DateTime
 Storage definition (children 3)
  Function MergeTree (children 1)
   ExpressionList
  Identifier id
  Set
