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https://issues.apache.org/jira/browse/CASSANDRA-8154?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14312390#comment-14312390
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Adam Holmberg commented on CASSANDRA-8154:
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Your PR is merged on master.
> desc table output shows key-only index ambiguously
> --------------------------------------------------
>
> Key: CASSANDRA-8154
> URL: https://issues.apache.org/jira/browse/CASSANDRA-8154
> Project: Cassandra
> Issue Type: Bug
> Reporter: Russ Hatch
> Assignee: Tyler Hobbs
> Priority: Minor
> Labels: cqlsh
>
> When creating a secondary index on a map type, for keys, the DESC TABLE
> output does not create correct DDL (it omits the keys part). So if someone
> uses describe to recreate a schema they could end up with a values index
> instead of a keys index.
> First, create a table and add an index:
> {noformat}
> CREATE TABLE test.foo (
> id1 text,
> id2 text,
> categories map<text, text>,
> PRIMARY KEY (id1, id2));
> create index on foo(keys(categories));|
> {noformat}
> Now DESC TABLE and you'll see the incomplete index DDL:
> {noformat}
> CREATE TABLE test.foo (
> id1 text,
> id2 text,
> categories map<text, text>,
> PRIMARY KEY (id1, id2)
> ) WITH CLUSTERING ORDER BY (id2 ASC)
> .......................snip..............................................
> CREATE INDEX foo_categories_idx ON test.foo (categories);
> {noformat}
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