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Displaying posts with tag: functional index (reset)
Apr
09
2015
JSON Labs Release: Effective Functional Indexes in InnoDB
Posted by MySQL Server Dev Team on Thu 09 Apr 2015 16:39 UTC
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In MySQL 5.7.6, we added a new feature called Generated Columns. In the initial work all Generated Columns were materialized, even virtual ones. This not only resulted in unnecessary disk space being used and disk I/O being done, but it also meant that any table alteration required that the full table be rebuilt. In the new MySQL 5.7.7 JSON Lab release, we have resolved all of these issues by implementing new features that not only allow users to create non-materialized virtual …

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