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MDEV-18479 Complement

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This patch complements the patch that fixes bug MDEV-18479.
This patch takes care of possible overflow when calculating the
estimated number of rows in a materialized derived table / view.
This commit is contained in:
Igor Babaev
2019-05-28 23:26:36 -07:00
parent eb09580b67
commit cbb90f77cd
5 changed files with 29 additions and 20 deletions
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include/my_base.h
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@@ -586,6 +586,7 @@ typedef ulong ha_rows;
#define HA_POS_ERROR (~ (ha_rows) 0)
#define HA_OFFSET_ERROR (~ (my_off_t) 0)
#define HA_ROWS_MAX HA_POS_ERROR
#if SYSTEM_SIZEOF_OFF_T == 4
#define MAX_FILE_SIZE INT_MAX32