CreateQuery tab (children 3)
 Identifier tab
 Columns definition (children 1)
  ExpressionList (children 5)
   ColumnDeclaration pkey (children 1)
    DataType String
   ColumnDeclaration id (children 1)
    DataType Int32
   ColumnDeclaration v (children 1)
    DataType Int32
   ColumnDeclaration version (children 1)
    DataType UInt64
   ColumnDeclaration is_deleted (children 1)
    DataType UInt8
 Storage definition (children 4)
  Function ReplacingMergeTree (children 1)
   ExpressionList (children 2)
    Identifier version
    Identifier is_deleted
  Identifier pkey
  Identifier id
  Set
