[GitHub] [incubator-doris] morningman opened a new issue #1508: Use different ID instead of table ID for base index of an OLAP table.

[GitBox <gi...@apache.org>]

morningman opened a new issue #1508: Use different ID instead of table ID for base index of an OLAP table.
URL: https://github.com/apache/incubator-doris/issues/1508
 
 
   In current implementation, the id of a base index of a OLAP table use the same id
   as table's id. Because in origin design, we considered that a OLAP table must has and
   only has one unique base index. So using same ID is OK.
   
   But when we refactor the alter table process(#1429 ), and when trying to replace the base index with a new created base index, we find that it is very difficult to change the base index's ID. Because if we want to change it, the table's ID should be changed as well, such leading to a cascading impacts on many other process.
   
   So, we decide to change it, by using different ID for base index and table, decouple  these 2 IDs will let us more easy to go on.

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