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ha_innodb.cc:

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Fix another bug introduced in 4.0.4 in AUTO_INCREMENT and deadlock or lock wait timeout


sql/ha_innodb.cc:
  Fix another bug introduced in 4.0.4 in AUTO_INCREMENT and deadlock or lock wait timeout
This commit is contained in:
unknown
2002-11-15 22:59:16 +02:00
parent 1ed60c671a
commit c17c9620ef
1 changed files with 12 additions and 4 deletions
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16
sql/ha_innodb.cc
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@ -1800,6 +1800,8 @@ ha_innobase::write_row(
goto func_exit;
}
printf("Updated value to %lu + 1\n", (ulint)auto_inc);
dict_table_autoinc_update(prebuilt->table, auto_inc);
} else {
srv_conc_enter_innodb(prebuilt->trx);
@ -1865,8 +1867,12 @@ ha_innobase::write_row(
introduced only in version 4.0.4.
NOTE that a REPLACE command handles a duplicate key error
itself, and we must not decrement the autoinc counter
if we are performing a REPLACE statement. This was fixed
in 4.0.6. */
if we are performing a REPLACE statement.
NOTE 2: if there was an error, for example a deadlock,
which caused InnoDB to roll back the whole transaction
already in the call of row_insert_for_mysql(), we may no
longer have the AUTO-INC lock, and cannot decrement
the counter here. */
skip_auto_inc_decr = FALSE;
@ -1876,11 +1882,13 @@ ha_innobase::write_row(
&skip_auto_inc_decr);
}
if (!skip_auto_inc_decr && incremented_auto_inc_counter) {
if (!skip_auto_inc_decr && incremented_auto_inc_counter
&& prebuilt->trx->auto_inc_lock) {
dict_table_autoinc_decrement(prebuilt->table);
}
if (!skip_auto_inc_decr && incremented_auto_inc_for_stat) {
if (!skip_auto_inc_decr && incremented_auto_inc_for_stat
&& prebuilt->trx->auto_inc_lock) {
auto_inc_counter_for_this_stat--;
}
}