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author | Eugene Kosov <claprix@yandex.ru> | 2019-07-04 21:31:35 +0300 |
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committer | Eugene Kosov <claprix@yandex.ru> | 2019-07-05 13:14:19 +0300 |
commit | c9aa495fb67ab4fd5c9790d4f61b7e988423619f (patch) | |
tree | 9f6aa0423075e0450ce433983c163d06023b638d /sql/handler.h | |
parent | 23c12ed5cb2a86516f4d4502779d2be312fa6e17 (diff) | |
download | mariadb-git-c9aa495fb67ab4fd5c9790d4f61b7e988423619f.tar.gz |
MDEV-19955 make argument of handler::ha_write_row() const
MDEV-19486 and one more similar bug appeared because handler::write_row() interface
welcomes to modify buffer by storage engine. But callers are not ready for that
thus bugs are possible in future.
handler::write_row():
handler::ha_write_row(): make argument const
Diffstat (limited to 'sql/handler.h')
-rw-r--r-- | sql/handler.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/sql/handler.h b/sql/handler.h index e144cbc6642..7bdcb637485 100644 --- a/sql/handler.h +++ b/sql/handler.h @@ -3238,7 +3238,7 @@ public: and delete_row() below. */ int ha_external_lock(THD *thd, int lock_type); - int ha_write_row(uchar * buf); + int ha_write_row(const uchar * buf); int ha_update_row(const uchar * old_data, const uchar * new_data); int ha_delete_row(const uchar * buf); void ha_release_auto_increment(); @@ -4548,7 +4548,7 @@ private: */ virtual int rnd_init(bool scan)= 0; virtual int rnd_end() { return 0; } - virtual int write_row(uchar *buf __attribute__((unused))) + virtual int write_row(const uchar *buf __attribute__((unused))) { return HA_ERR_WRONG_COMMAND; } @@ -4571,7 +4571,7 @@ private: Optimized function for updating the first row. Only used by sequence tables */ - virtual int update_first_row(uchar *new_data); + virtual int update_first_row(const uchar *new_data); virtual int delete_row(const uchar *buf __attribute__((unused))) { |