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Posted to issues@trafodion.apache.org by "Alice Chen (JIRA)" <ji...@apache.org> on 2015/07/22 20:20:28 UTC
[jira] [Created] (TRAFODION-1223) LP Bug: 1451628 - Trafodion
should prevent creating two logical identical indexes
Alice Chen created TRAFODION-1223:
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Summary: LP Bug: 1451628 - Trafodion should prevent creating two logical identical indexes
Key: TRAFODION-1223
URL: https://issues.apache.org/jira/browse/TRAFODION-1223
Project: Apache Trafodion
Issue Type: Wish
Components: sql-general
Reporter: Liu Ming
Assignee: Roberta Marton
Priority: Minor
Two indexes are logical identical when both of them are created against same table, on same column, and with same attributes.
It is ideal to prevent the creation of duplicated indexes which are logical identical.
This is an enhancement, should in Wishlist.
Here is how to reproduce it:
>>create table t1 (c1 int not null, c2 int, c3 int, c4 int, primary key(c1) );
--- SQL operation complete.
>>create index Inx1 on t1 (c2);
--- SQL operation complete.
>>create index Inx2 on t1 (c2);
--- SQL operation complete.
>>get indexes;
Indexes in Schema TRAFODION.SEABASE
===================================
INX1
INX2
--- SQL operation complete.
>>
INX2 should NOT be created.
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