CreateQuery test4 (children 3)
 Identifier test4
 Columns definition (children 1)
  ExpressionList (children 1)
   ColumnDeclaration EventDate (children 1)
    DataType Date
 Storage definition (children 3)
  Function MergeTree (children 1)
   ExpressionList
  Identifier EventDate
  Function tuple (children 1)
   ExpressionList
