1berry/MariaDB-server
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Cherrypick into XtraDB: Bug#13002783 PARTIALLY UNINITIALIZED CASCADE UPDATE VECTOR

Browse Source 
We merged the test case for this into MariaDB 5.1, but the fix
was not yet part of XtraDB.
This commit is contained in:
unknown 2011-11-30 13:53:25 +01:00
parent 47575bd0e0
commit be505e3ebf
3 changed files with 20 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
storage/xtradb/ChangeLog
View File

@ -1,3 +1,8 @@
2011-10-25 The InnoDB Team
* handler/ha_innodb.cc, row/row0ins.c:
Fix Bug#13002783 PARTIALLY UNINITIALIZED CASCADE UPDATE VECTOR
2011-08-08 The InnoDB Team
* row/row0sel.c:

9
storage/xtradb/handler/ha_innodb.cc
View File

@ -5360,14 +5360,15 @@ calc_row_difference(
/* The field has changed */
ufield = uvect->fields + n_changed;
UNIV_MEM_INVALID(ufield, sizeof *ufield);
/* Let us use a dummy dfield to make the conversion
from the MySQL column format to the InnoDB format */
dict_col_copy_type(prebuilt->table->cols + i,
dfield_get_type(&dfield));
if (n_len != UNIV_SQL_NULL) {
dict_col_copy_type(prebuilt->table->cols + i,
dfield_get_type(&dfield));
buf = row_mysql_store_col_in_innobase_format(
&dfield,
(byte*)buf,
@ -5375,7 +5376,7 @@ calc_row_difference(
new_mysql_row_col,
col_pack_len,
dict_table_is_comp(prebuilt->table));
dfield_copy_data(&ufield->new_val, &dfield);
dfield_copy(&ufield->new_val, &dfield);
} else {
dfield_set_null(&ufield->new_val);
}

17
storage/xtradb/row/row0ins.c
View File

@ -434,11 +434,9 @@ row_ins_cascade_calc_update_vec(
dict_table_t* table = foreign->foreign_table;
dict_index_t* index = foreign->foreign_index;
upd_t* update;
upd_field_t* ufield;
dict_table_t* parent_table;
dict_index_t* parent_index;
upd_t* parent_update;
upd_field_t* parent_ufield;
ulint n_fields_updated;
ulint parent_field_no;
ulint i;
@ -474,13 +472,15 @@ row_ins_cascade_calc_update_vec(
dict_index_get_nth_col_no(parent_index, i));
for (j = 0; j < parent_update->n_fields; j++) {
parent_ufield = parent_update->fields + j;
const upd_field_t* parent_ufield
= &parent_update->fields[j];
if (parent_ufield->field_no == parent_field_no) {
ulint min_size;
const dict_col_t* col;
ulint ufield_len;
upd_field_t* ufield;
col = dict_index_get_nth_col(index, i);
@ -493,6 +493,8 @@ row_ins_cascade_calc_update_vec(
ufield->field_no
= dict_table_get_nth_col_pos(
table, dict_col_get_no(col));
ufield->orig_len = 0;
ufield->exp = NULL;
ufield->new_val = parent_ufield->new_val;
@ -993,10 +995,9 @@ row_ins_foreign_check_on_constraint(
goto nonstandard_exit_func;
}
if ((node->is_delete
&& (foreign->type & DICT_FOREIGN_ON_DELETE_SET_NULL))
|| (!node->is_delete
&& (foreign->type & DICT_FOREIGN_ON_UPDATE_SET_NULL))) {
if (node->is_delete
? (foreign->type & DICT_FOREIGN_ON_DELETE_SET_NULL)
: (foreign->type & DICT_FOREIGN_ON_UPDATE_SET_NULL)) {
/* Build the appropriate update vector which sets
foreign->n_fields first fields in rec to SQL NULL */
@ -1005,6 +1006,8 @@ row_ins_foreign_check_on_constraint(
update->info_bits = 0;
update->n_fields = foreign->n_fields;
UNIV_MEM_INVALID(update->fields,
update->n_fields * sizeof *update->fields);
for (i = 0; i < foreign->n_fields; i++) {
upd_field_t* ufield = &update->fields[i];