indexes on virtual (not materialized) columns

Description

Currently to have a index on a virtual column, one has to materialized it. To support indexes on fully virtual columns, a storage engine must call back into the server to calculate the value of the virtual column.

Environment

None

Status

Assignee

Sergei Golubchik

Reporter

Sergei Golubchik

Labels

External issue ID

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External issue ID

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Time tracking

160h

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Fix versions

Priority

Major