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Posted to commits@cassandra.apache.org by "maxwellguo (Jira)" <ji...@apache.org> on 2022/12/14 02:05:00 UTC
[jira] [Comment Edited] (CASSANDRA-18112) Add the feature of INDEX HINT for CQL
[ https://issues.apache.org/jira/browse/CASSANDRA-18112?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17646894#comment-17646894 ]
maxwellguo edited comment on CASSANDRA-18112 at 12/14/22 2:04 AM:
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Hey [~maedhroz], thanks for your reply .
So that means there is no need for cql to add this feature？for us we have encountered similar needs ，that is why this jira was created. besides the secondary index will evolute and finnally the index can be production-usable. So the feature may be needed sonner or latter. and this feature does not blocked by CASSANDRA-16052 ，right？🛹☺️☺️☺️
was (Author: maxwellguo):
so that means there is no need for cql to
add this feature？for us we have encountered similar needs ，that is why this jira was created. besides the secondary index will evolute and finnally the index can be production-usable. So the feature may be needed sonner or latter. and this feature does not blocked by CASSANDRA-16052 ，right？🛹☺️☺️☺️
> Add the feature of INDEX HINT for CQL
> --------------------------------------
>
> Key: CASSANDRA-18112
> URL: https://issues.apache.org/jira/browse/CASSANDRA-18112
> Project: Cassandra
> Issue Type: Improvement
> Components: CQL/Syntax, Feature/2i Index
> Reporter: maxwellguo
> Priority: Normal
>
> It seems that CQL do not have the ability of INDEX HINT , such as when we have more than one secondary index for some data table,And if the query hit the indexes, the index with more estimate rows will be returned. But if we want the query to be executed under our willing , we can use a hint like ,hint specified index or ignore the index.
> At first I want to open a jira that to add the feature of hint for CQL ,But I think that may be a gigantic task with no clear goal.
> Besides I think there may need a DISSCUSS for the specific grammatical form before starting the work.
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