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https://issues.apache.org/jira/browse/CASSANDRA-13499?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16010614#comment-16010614
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vincent royer commented on CASSANDRA-13499:
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Yes, it is like DSE Search or Stratio Lucene, but if i'm not missing the point,
these implementations does not allow to mix various index implementations, when
you have for a regular index for column A and custom row-based index for column
B+C, like in the following elassandra exemple. Moreover, with this row-based
index, the custom index is notified for all updates, even those not related to
indexed columns. And unfortunately, the alternative syntax CREATE INDEX ...
<table>(col1,col2....) cannot be updated (no ALTER INDEX statement....).
CREATE TABLE twitter.tweet (
"_id" text PRIMARY KEY,
message list<text>,
"postDate" list<timestamp>,
size int,
user list<text>
) ...
CREATE INDEX tweet_size_idx ON twitter.tweet (size);
CREATE CUSTOM INDEX elastic_tweet_postDate_idx ON twitter.tweet
(values("postDate")) USING 'org.elassandra.index.ExtendedElasticSecondaryIndex';
CREATE CUSTOM INDEX elastic_tweet_user_idx ON twitter.tweet (values(user))
USING 'org.elassandra.index.ExtendedElasticSecondaryIndex';
CREATE CUSTOM INDEX elastic_tweet_message_idx ON twitter.tweet
(values(message)) USING 'org.elassandra.index.ExtendedElasticSecondaryIndex';
> Avoid duplicate calls to the same custom row index
> --------------------------------------------------
>
> Key: CASSANDRA-13499
> URL: https://issues.apache.org/jira/browse/CASSANDRA-13499
> Project: Cassandra
> Issue Type: Improvement
> Components: Core
> Reporter: vincent royer
> Priority: Minor
> Fix For: 3.0.14, 3.11.0, 4.x
>
> Attachments: 0006-Avoid-duplicate-calls-to-the-same-custom-index.patch
>
> Original Estimate: 2h
> Remaining Estimate: 2h
>
> Avoid duplicate calls to the same custom row index by using a dedicated
> Set<Index> rather than the collection indexes.values().
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