CreateQuery src (children 3)
 Identifier src
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration p (children 1)
    DataType UInt64
   ColumnDeclaration k (children 1)
    DataType String
   ColumnDeclaration d (children 1)
    DataType UInt64
 Storage definition (children 3)
  Function MergeTree
  Identifier p
  Identifier k
