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[2/2] MDEV-18166 ASSERT_COLUMN_MARKED_FOR_READ failed on tables with vcols

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Several different test cases were failing under the same reason: the
fields in a vcol expression were not marked during marking columns of a key
contatining virtual column for read.

Fix: make marking columns of a key for read a special case where
register_field_in_read_map() is done instead of plain bitmap_set_bit().

Some test cases are only reproducible in 10.4+, but the fix is applicable
to 10.2+
This commit is contained in:
Nikita Malyavin
2021-06-22 18:30:53 +03:00
parent 7d9ba57da4
commit 0f6a5b4390
8 changed files with 152 additions and 13 deletions
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sql/table.h
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@ -1423,6 +1423,7 @@ public:
{ return prepare_for_keyread(index, &tmp_set); }
void mark_columns_used_by_index(uint index, MY_BITMAP *map);
void mark_columns_used_by_index_no_reset(uint index, MY_BITMAP *map);
void mark_columns_used_by_index_for_read_no_reset(uint index);
void restore_column_maps_after_keyread(MY_BITMAP *backup);
void mark_auto_increment_column(void);
void mark_columns_needed_for_update(void);