CreateQuery runningConcurrency_test (children 3)
 Identifier runningConcurrency_test
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration begin (children 1)
    DataType DateTime64 (children 1)
     ExpressionList (children 1)
      Literal UInt64_3
   ColumnDeclaration end (children 1)
    DataType DateTime64 (children 1)
     ExpressionList (children 1)
      Literal UInt64_3
 Storage definition (children 1)
  Function Memory
