MEMORY storage engine incorrectly allows BLOB columns before indexed columns

Bug #1731483 reported by Laurynas Biveinis on 2017-11-10
40
This bug affects 4 people
Affects Status Importance Assigned to Milestone
Percona Server moved to https://jira.percona.com/projects/PS
Status tracked in 5.7
5.5
Fix Released
High
Laurynas Biveinis
5.6
Fix Released
High
Laurynas Biveinis
5.7
Fix Released
High
Laurynas Biveinis

Bug Description

Dynamic row format feature to support BLOB/VARCHAR in MEMORY tables requires all the key columns to come before any BLOB columns. This requirement however is not enforced, allowing creating MEMORY tables in unsupported column configurations, which then crash or lose data in usage.

This has been causing bug 1706356, bug 1628964, bug 1629320

description: updated
tags: added: memory-se

Percona now uses JIRA for bug reports so this bug report is migrated to: https://jira.percona.com/browse/PS-1122

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