[jira] [Created] (IGNITE-13364) Improve index inline defaults

["Evgeniy Rudenko (Jira)" <ji...@apache.org>]

Evgeniy Rudenko created IGNITE-13364:
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             Summary:  Improve index inline defaults
                 Key: IGNITE-13364
                 URL: https://issues.apache.org/jira/browse/IGNITE-13364
             Project: Ignite
          Issue Type: Improvement
            Reporter: Evgeniy Rudenko
            Assignee: Evgeniy Rudenko


We need to improve how inline size is calculated by default for variable-length types.

Currently if a varlength type is encountered inline size just defaults to 10, which is almost always not enough.

A more sensible behavior would be the following:

1. Add a fixed default to the inline size calculation for every variable-length type. For example, if the default inlined size for a string is 10 then an index like (INT, VARCHAR, VARCHAR, INT) should have inline size default as 5 + 10 + 10 + 5 = 30 (5 for each int, 10 for each string).

2. Add special support for VARCHAR_FIXED - if a VARCHAR has known length then that length is used for inline size calculation



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