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row0mysql.c, row0mysql.h, ha_innodb.cc:

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Inside LOCK TABLES, use either LOCK_S or LOCK_X in locking reads; an improvent over the previous patch


sql/ha_innodb.cc:
  Inside LOCK TABLES, use either LOCK_S or LOCK_X in locking reads; an improvent over the previous patch
innobase/include/row0mysql.h:
  Inside LOCK TABLES, use either LOCK_S or LOCK_X in locking reads; an improvent over the previous patch
innobase/row/row0mysql.c:
  Inside LOCK TABLES, use either LOCK_S or LOCK_X in locking reads; an improvent over the previous patch
This commit is contained in:
unknown 2004-06-01 19:19:48 +03:00
commit 3db332ca6b
3 changed files with 36 additions and 10 deletions
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3
innobase/include/row0mysql.h
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@ -507,6 +507,9 @@ struct row_prebuilt_struct {
dtuple_t* clust_ref; /* prebuilt dtuple used in
sel/upd/del */
ulint select_lock_type;/* LOCK_NONE, LOCK_S, or LOCK_X */
ulint stored_select_lock_type;/* inside LOCK TABLES, either
LOCK_S or LOCK_X depending on the lock
type */
ulint mysql_row_len; /* length in bytes of a row in the
MySQL format */
ulint n_rows_fetched; /* number of rows fetched after

1
innobase/row/row0mysql.c
View file

@ -380,6 +380,7 @@ row_create_prebuilt(
prebuilt->clust_pcur = btr_pcur_create_for_mysql();
prebuilt->select_lock_type = LOCK_NONE;
prebuilt->stored_select_lock_type = 99999999;
prebuilt->sel_graph = NULL;