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Posted to commits@calcite.apache.org by GitBox <gi...@apache.org> on 2020/01/16 02:16:12 UTC
[GitHub] [calcite] hsyuan commented on issue #1763: [CALCITE-3738] Missing
order by logical plan for insert statement
hsyuan commented on issue #1763: [CALCITE-3738] Missing order by logical plan for insert statement
URL: https://github.com/apache/calcite/pull/1763#issuecomment-574948962
You are tagging wrong person. :)
Perhaps. A relation is a bag (multi-set), which is un-ordered. This is the foundation of relational algebra.
When you insert into a log file, it just happens to be sorted on disk. But when you read it out, order is not guaranteed unless you specify order-by.
https://en.wikipedia.org/wiki/Relation_(database)
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