CreateQuery mt_without_pk (children 3)
 Identifier mt_without_pk
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration SomeField1 (children 1)
    DataType Int64
   ColumnDeclaration SomeField2 (children 1)
    DataType Double
 Storage definition (children 2)
  Function MergeTree (children 1)
   ExpressionList
  Function tuple (children 1)
   ExpressionList
