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From "Dmitry Petrashko (Commented) (JIRA)" <>
Subject [jira] [Commented] (CASSANDRA-3994) Allow indexes for comparisons other than equal
Date Mon, 19 Mar 2012 07:23:38 GMT


Dmitry Petrashko commented on CASSANDRA-3994:

Please recheck it one more time.
I never mentioned that this patch is modifying get_indexed_slices.
As of current trunk get_ranged_slices uses 
ThriftValidation.validateKeyRange to validate key range in request
ThriftValidation.validateKeyRange uses ThriftValidation.validateFilterClauses (Line 507) to
validate range.row_filter

And there it is checked that at least one (expression.op != null) && indexedColumns.contains(expression.column_name);
Thus current trunk Doesnt allow queries with filters not containing EQ operations on indexed

This patch modifies validation of request in get_ranged_slices to allow requests with filters
that use indexes on operations other than EQ.
> Allow indexes for comparisons other than equal
> ----------------------------------------------
>                 Key: CASSANDRA-3994
>                 URL:
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Core
>            Reporter: Dmitry Petrashko
>         Attachments: Validation_fix_for_filters_other_than_EQuals-v2.patch, Validation_fix_for_filters_other_than_EQuals.patch
> As for now, validation marks filters with operations other than equal as invalid.
> This is also gives initial support for indexes other than KEYS

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