diff options
Diffstat (limited to 'sql/handler.cc')
| -rw-r--r-- | sql/handler.cc | 32 |
1 files changed, 27 insertions, 5 deletions
diff --git a/sql/handler.cc b/sql/handler.cc index b0051b02d91..4accc746664 100644 --- a/sql/handler.cc +++ b/sql/handler.cc @@ -429,6 +429,8 @@ static int ha_init_errors(void) SETMSG(HA_ERR_TABLE_DEF_CHANGED, ER(ER_TABLE_DEF_CHANGED)); SETMSG(HA_ERR_TABLE_NEEDS_UPGRADE, ER(ER_TABLE_NEEDS_UPGRADE)); SETMSG(HA_ERR_TABLE_READONLY, ER(ER_OPEN_AS_READONLY)); + SETMSG(HA_ERR_AUTOINC_READ_FAILED, ER(ER_AUTOINC_READ_FAILED)); + SETMSG(HA_ERR_AUTOINC_ERANGE, ER(ER_WARN_DATA_OUT_OF_RANGE)); /* Register the error messages for use with my_error(). */ return my_error_register(errmsgs, HA_ERR_FIRST, HA_ERR_LAST); @@ -1374,6 +1376,15 @@ int ha_delete_table(THD *thd, enum db_type table_type, const char *path, /**************************************************************************** ** General handler functions ****************************************************************************/ +handler *handler::clone(MEM_ROOT *mem_root) +{ + handler *new_handler= get_new_handler(table, mem_root, table->s->db_type); + if (new_handler && !new_handler->ha_open(table->s->path, table->db_stat, + HA_OPEN_IGNORE_IF_LOCKED)) + return new_handler; + return NULL; +} + /* Open database-handler. Try O_RDONLY if can't open as O_RDWR */ /* Don't wait for locks if not HA_OPEN_WAIT_IF_LOCKED is set */ @@ -1542,7 +1553,10 @@ prev_insert_id(ulonglong nr, struct system_variables *variables) RETURN 0 ok - 1 get_auto_increment() was called and returned ~(ulonglong) 0 + HA_ERR_AUTOINC_READ_FAILED + get_auto_increment() was called and returned ~(ulonglong) 0 + HA_ERR_AUTOINC_ERANGE + storing value in field caused strict mode failure. IMPLEMENTATION @@ -1586,13 +1600,12 @@ prev_insert_id(ulonglong nr, struct system_variables *variables) thd->next_insert_id is cleared after it's been used for a statement. */ -bool handler::update_auto_increment() +int handler::update_auto_increment() { ulonglong nr; THD *thd= table->in_use; struct system_variables *variables= &thd->variables; bool auto_increment_field_not_null; - bool result= 0; DBUG_ENTER("handler::update_auto_increment"); /* @@ -1616,7 +1629,7 @@ bool handler::update_auto_increment() if (!(nr= thd->next_insert_id)) { if ((nr= get_auto_increment()) == ~(ulonglong) 0) - result= 1; // Mark failure + DBUG_RETURN(HA_ERR_AUTOINC_READ_FAILED); // Mark failure if (variables->auto_increment_increment != 1) nr= next_insert_id(nr-1, variables); @@ -1636,6 +1649,7 @@ bool handler::update_auto_increment() if (likely(!table->next_number_field->store((longlong) nr, TRUE))) thd->insert_id((ulonglong) nr); else + if (thd->killed != THD::KILL_BAD_DATA) /* did we fail strict mode? */ { /* overflow of the field; we'll use the max value, however we try to @@ -1646,6 +1660,8 @@ bool handler::update_auto_increment() if (unlikely(table->next_number_field->store((longlong) nr, TRUE))) thd->insert_id(nr= table->next_number_field->val_int()); } + else + DBUG_RETURN(HA_ERR_AUTOINC_ERANGE); /* We can't set next_insert_id if the auto-increment key is not the @@ -1666,7 +1682,7 @@ bool handler::update_auto_increment() /* Mark that we generated a new value */ auto_increment_column_changed=1; - DBUG_RETURN(result); + DBUG_RETURN(0); } /* @@ -1864,6 +1880,12 @@ void handler::print_error(int error, myf errflag) case HA_ERR_TABLE_READONLY: textno= ER_OPEN_AS_READONLY; break; + case HA_ERR_AUTOINC_READ_FAILED: + textno= ER_AUTOINC_READ_FAILED; + break; + case HA_ERR_AUTOINC_ERANGE: + textno= ER_WARN_DATA_OUT_OF_RANGE; + break; default: { /* The error was "unknown" to this function. |