CreateQuery 02577_keepermap_delete_update (children 3)
 Identifier 02577_keepermap_delete_update
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration key (children 1)
    DataType UInt64
   ColumnDeclaration value (children 1)
    DataType String
   ColumnDeclaration value2 (children 1)
    DataType UInt64
 Storage definition (children 1)
  Identifier key
