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From "Benjamin Lerer (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-9527) Cannot create secondary index on a table WITH COMPACT STORAGE
Date Tue, 02 Jun 2015 14:20:19 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-9527?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14569144#comment-14569144
] 

Benjamin Lerer commented on CASSANDRA-9527:
-------------------------------------------

The issue is valid. 
Our test is:
{code}
if ((cfm.getCfDef().isCompact || !cfm.getCfDef().isComposite) && cd.type != ColumnDefinition.Type.REGULAR)
            throw new InvalidRequestException("Secondary indexes are not supported on PRIMARY
KEY columns in COMPACT STORAGE tables");
{code} 

The problem is that the type of the c column is {{ColumnDefinition.Type.COMPACT_VALUE}} and
not {{ColumnDefinition.Type.REGULAR}}.

> Cannot create secondary index on a table WITH COMPACT STORAGE
> -------------------------------------------------------------
>
>                 Key: CASSANDRA-9527
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-9527
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>         Environment: cassandra v2.0.13
>            Reporter: fuggy_yama
>            Assignee: Benjamin Lerer
>            Priority: Minor
>             Fix For: 2.0.x
>
>
> In CASSANDRA-8156 it is said that secondary indexes are not allowed on clustering columns
in COMPACT tables.
> However, I found that it is not possible to create a secondary index on the value column
in a COMPACT table:
> CREATE TABLE t (
> 	a INT,
> 	b INT,
> 	c INT,
> 	PRIMARY KEY (a, b)
> ) WITH COMPACT STORAGE;
> CREATE INDEX ON t (c);
> *Bad Request: Secondary indexes are not supported on PRIMARY KEY columns in COMPACT STORAGE
tables*



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