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Implement ON DELETE CASCADE and facilitate switching off of UNIQUE constraints and foreign keys


innobase/btr/btr0cur.c:
  Implement ON DELETE CASCADE and facilitate switching off of UNIQUE constraints and foreign keys
innobase/dict/dict0crea.c:
  Implement ON DELETE CASCADE and facilitate switching off of UNIQUE constraints and foreign keys
innobase/dict/dict0dict.c:
  Implement ON DELETE CASCADE and facilitate switching off of UNIQUE constraints and foreign keys
innobase/dict/dict0load.c:
  Implement ON DELETE CASCADE and facilitate switching off of UNIQUE constraints and foreign keys
innobase/dict/dict0mem.c:
  Implement ON DELETE CASCADE and facilitate switching off of UNIQUE constraints and foreign keys
innobase/include/btr0btr.h:
  Implement ON DELETE CASCADE and facilitate switching off of UNIQUE constraints and foreign keys
innobase/include/dict0mem.h:
  Implement ON DELETE CASCADE and facilitate switching off of UNIQUE constraints and foreign keys
innobase/include/ibuf0ibuf.h:
  Implement ON DELETE CASCADE and facilitate switching off of UNIQUE constraints and foreign keys
innobase/include/os0file.h:
  Implement ON DELETE CASCADE and facilitate switching off of UNIQUE constraints and foreign keys
innobase/include/os0sync.h:
  Implement ON DELETE CASCADE and facilitate switching off of UNIQUE constraints and foreign keys
innobase/include/row0mysql.h:
  Implement ON DELETE CASCADE and facilitate switching off of UNIQUE constraints and foreign keys
innobase/include/row0upd.h:
  Implement ON DELETE CASCADE and facilitate switching off of UNIQUE constraints and foreign keys
innobase/include/sync0sync.h:
  Implement ON DELETE CASCADE and facilitate switching off of UNIQUE constraints and foreign keys
innobase/include/trx0sys.h:
  Implement ON DELETE CASCADE and facilitate switching off of UNIQUE constraints and foreign keys
innobase/include/trx0trx.h:
  Implement ON DELETE CASCADE and facilitate switching off of UNIQUE constraints and foreign keys
innobase/include/ibuf0ibuf.ic:
  Implement ON DELETE CASCADE and facilitate switching off of UNIQUE constraints and foreign keys
innobase/include/os0sync.ic:
  Implement ON DELETE CASCADE and facilitate switching off of UNIQUE constraints and foreign keys
innobase/include/sync0sync.ic:
  Implement ON DELETE CASCADE and facilitate switching off of UNIQUE constraints and foreign keys
innobase/include/trx0sys.ic:
  Implement ON DELETE CASCADE and facilitate switching off of UNIQUE constraints and foreign keys
innobase/lock/lock0lock.c:
  Implement ON DELETE CASCADE and facilitate switching off of UNIQUE constraints and foreign keys
innobase/pars/pars0opt.c:
  Implement ON DELETE CASCADE and facilitate switching off of UNIQUE constraints and foreign keys
innobase/que/que0que.c:
  Implement ON DELETE CASCADE and facilitate switching off of UNIQUE constraints and foreign keys
innobase/row/row0ins.c:
  Implement ON DELETE CASCADE and facilitate switching off of UNIQUE constraints and foreign keys
innobase/row/row0mysql.c:
  Implement ON DELETE CASCADE and facilitate switching off of UNIQUE constraints and foreign keys
innobase/row/row0sel.c:
  Implement ON DELETE CASCADE and facilitate switching off of UNIQUE constraints and foreign keys
innobase/row/row0upd.c:
  Implement ON DELETE CASCADE and facilitate switching off of UNIQUE constraints and foreign keys
innobase/srv/srv0srv.c:
  Implement ON DELETE CASCADE and facilitate switching off of UNIQUE constraints and foreign keys
innobase/sync/sync0sync.c:
  Implement ON DELETE CASCADE and facilitate switching off of UNIQUE constraints and foreign keys
innobase/trx/trx0sys.c:
  Implement ON DELETE CASCADE and facilitate switching off of UNIQUE constraints and foreign keys
innobase/trx/trx0trx.c:
  Implement ON DELETE CASCADE and facilitate switching off of UNIQUE constraints and foreign keys
This commit is contained in:
unknown
2002-04-18 10:40:32 +03:00
parent 9c2c5a3636
commit 209a500df9
30 changed files with 768 additions and 178 deletions
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10
innobase/include/row0upd.h
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@ -312,6 +312,11 @@ struct upd_node_struct{
ibool in_mysql_interface;
/* TRUE if the update node was created
for the MySQL interface */
upd_node_t* cascade_node;/* NULL or an update node template which
is used to implement ON DELETE CASCADE
or ... SET NULL for foreign keys */
mem_heap_t* cascade_heap;/* NULL or a mem heap where the cascade
node is created */
sel_node_t* select; /* query graph subtree implementing a base
table cursor: the rows returned will be
updated */
@ -322,6 +327,11 @@ struct upd_node_struct{
of the MySQL interface */
dict_table_t* table; /* table where updated */
upd_t* update; /* update vector for the row */
ulint update_n_fields;
/* when this struct is used to implement
a cascade operation for foreign keys, we store
here the size of the buffer allocated for use
as the update vector */
sym_node_list_t columns;/* symbol table nodes for the columns
to retrieve from the table */
ibool has_clust_rec_x_lock;