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MDEV-11126: Crash while altering persistent virtual column

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Problem was that if old virtual column is computed and stored there
was no check if new column is really virtual column.
This commit is contained in:
Jan Lindström
2016-10-25 15:08:15 +03:00
parent 59a7bc35fc
commit 5569ac0059
3 changed files with 81 additions and 0 deletions
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sql/sql_table.cc
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@@ -6274,6 +6274,7 @@ static bool fill_alter_inplace_info(THD *thd,
(field->stored_in_db || field->vcol_info->is_in_partitioning_expr()))
{
if (is_equal == IS_EQUAL_NO ||
!new_field->vcol_info ||
!field->vcol_info->is_equal(new_field->vcol_info))
ha_alter_info->handler_flags|= Alter_inplace_info::ALTER_COLUMN_VCOL;
else